chore(deps): bump langgraph-checkpoint-postgres from 3.0.5 to 3.1.1 in /libs/cli/uv-examples/monorepo in the uv group across 1 directory (#8646)

Bumps the uv group with 1 update in the /libs/cli/uv-examples/monorepo
directory:
[langgraph-checkpoint-postgres](https://github.com/langchain-ai/langgraph).

Updates `langgraph-checkpoint-postgres` from 3.0.5 to 3.1.1
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/langchain-ai/langgraph/releases">langgraph-checkpoint-postgres's
releases</a>.</em></p>
<blockquote>
<h2>langgraph-checkpoint-postgres==3.1.1</h2>
<p>Changes since checkpointpostgres==3.1.0</p>
<ul>
<li>release(checkpoint-postgres): 3.1.1 (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8480">#8480</a>)</li>
<li>fix(checkpoint-postgres,checkpoint-sqlite): scope namespace matching
to segment boundaries (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8478">#8478</a>)</li>
<li>feat(checkpoint,checkpoint-postgres): add opt-in omit_expired to
skip expired rows on read (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8354">#8354</a>)</li>
<li>chore(deps): bump the minor-and-patch group in
/libs/checkpoint-postgres with 5 updates (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8250">#8250</a>)</li>
<li>chore(deps): bump langsmith from 0.8.0 to 0.8.18 in
/libs/checkpoint-postgres (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8171">#8171</a>)</li>
<li>docs: standardize package <code>README.md</code> structure (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8064">#8064</a>)</li>
<li>chore: migrate Python type checking to ty (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8002">#8002</a>)</li>
<li>chore(deps): bump the minor-and-patch group in
/libs/checkpoint-postgres with 7 updates (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7965">#7965</a>)</li>
<li>release(checkpoint): 4.1.1 (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7890">#7890</a>)</li>
<li>chore(deps): bump idna from 3.11 to 3.15 in
/libs/checkpoint-postgres (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7861">#7861</a>)</li>
<li>chore(deps): bump langsmith from 0.7.31 to 0.8.0 in
/libs/checkpoint-postgres (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7785">#7785</a>)</li>
</ul>
<h2>langgraph-checkpoint-sqlite==3.1.1</h2>
<p>Changes since checkpointsqlite==3.1.0</p>
<ul>
<li>release(checkpoint-sqlite): 3.1.1 (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8481">#8481</a>)</li>
<li>fix(checkpoint-postgres,checkpoint-sqlite): scope namespace matching
to segment boundaries (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8478">#8478</a>)</li>
<li>chore(deps): bump the minor-and-patch group in
/libs/checkpoint-sqlite with 4 updates (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8249">#8249</a>)</li>
<li>chore(deps): bump langsmith from 0.8.0 to 0.8.18 in
/libs/checkpoint-sqlite (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8177">#8177</a>)</li>
<li>docs: standardize package <code>README.md</code> structure (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8064">#8064</a>)</li>
<li>chore: migrate Python type checking to ty (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8002">#8002</a>)</li>
<li>chore(deps): bump the minor-and-patch group in
/libs/checkpoint-sqlite with 3 updates (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7961">#7961</a>)</li>
<li>release(checkpoint): 4.1.1 (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7890">#7890</a>)</li>
<li>chore(deps): bump langsmith from 0.7.31 to 0.8.0 in
/libs/checkpoint-sqlite (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7786">#7786</a>)</li>
<li>chore(deps): bump idna from 3.11 to 3.15 in /libs/checkpoint-sqlite
(<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7862">#7862</a>)</li>
</ul>
<h2>langgraph-checkpoint-postgres==3.1.0</h2>
<p>Changes since checkpointpostgres==3.1.0a4</p>
<ul>
<li>release: bump alpha packages to official versions (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7775">#7775</a>)</li>
<li>chore(deps): bump urllib3 from 2.6.3 to 2.7.0 in
/libs/checkpoint-postgres (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7761">#7761</a>)</li>
<li>chore(deps): bump langchain-core from 1.3.2 to 1.3.3 in
/libs/checkpoint-postgres (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7754">#7754</a>)</li>
<li>fix(checkpoint-postgres): add column aliases to seed-blob branch of
delta stage-2 UNION ALL (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7728">#7728</a>)</li>
</ul>
<h2>langgraph-checkpoint-sqlite==3.1.0</h2>
<p>Changes since checkpointsqlite==3.1.0a1</p>
<ul>
<li>release: bump alpha packages to official versions (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7775">#7775</a>)</li>
<li>chore(deps): bump urllib3 from 2.6.3 to 2.7.0 in
/libs/checkpoint-sqlite (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7760">#7760</a>)</li>
<li>chore(deps): bump langchain-core from 1.2.28 to 1.3.3 in
/libs/checkpoint-sqlite (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7751">#7751</a>)</li>
<li>chore: remove keepset helper (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7745">#7745</a>)</li>
<li>chore(langgraph): add guide/conformance for delta channel
checkpointer (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7736">#7736</a>)</li>
</ul>
<h2>langgraph-checkpoint-postgres==3.1.0a4</h2>
<p>Changes since checkpointpostgres==3.1.0a3</p>
<ul>
<li>release: alpha bump (a4) for langgraph, checkpoint,
checkpoint-postgres (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/7701">#7701</a>)</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/b2926a0ff9589c28c7e01fe7cdbb337b86d5a4b4"><code>b2926a0</code></a>
release(checkpoint-sqlite): 3.1.1 (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8481">#8481</a>)</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/fcdf520938469c8e0992ca2075d6a9582c33260f"><code>fcdf520</code></a>
release(checkpoint-postgres): 3.1.1 (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8480">#8480</a>)</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/66ebe1a0da921e73f0f9f879ba105d314c079f7c"><code>66ebe1a</code></a>
fix(checkpoint-postgres,checkpoint-sqlite): scope namespace matching to
segme...</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/41341457342327166d72fc11952ab28fb61ec0bf"><code>4134145</code></a>
release(langgraph): 1.2.10 (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8462">#8462</a>)</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/30c4d58db86455128e42ddec96b1ba53c553ba22"><code>30c4d58</code></a>
chore(deps): bump jupyterlab from 4.5.9 to 4.5.10 in /libs/langgraph (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8440">#8440</a>)</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/1f2f88b2b74aa4e26c6a8be877dcb95bad2cef48"><code>1f2f88b</code></a>
chore(deps): bump js-yaml from 4.2.0 to 4.3.0 in
/libs/cli/js-monorepo-exampl...</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/270820363d56cf8a8e594d2d3b19d543230337fb"><code>2708203</code></a>
chore(deps): bump setuptools from 82.0.1 to 83.0.0 in /libs/cli (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8434">#8434</a>)</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/9f1e40bfeea28dee2155b4a57f5babd0a53534cf"><code>9f1e40b</code></a>
chore(deps): bump setuptools from 80.9.0 to 83.0.0 in /libs/langgraph
(<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8435">#8435</a>)</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/1e1ca88dad9c7e708263257fa9fc27a3fbdfff68"><code>1e1ca88</code></a>
feat(langgraph): type v3 stream_events return and native projections (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8389">#8389</a>)</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/31f90df3e6b0268fa77fd2d118a917d420b84a68"><code>31f90df</code></a>
revert(langgraph): delete TracePolicy (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/8403">#8403</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/langchain-ai/langgraph/compare/checkpointpostgres==3.0.5...checkpointsqlite==3.1.1">compare
view</a></li>
</ul>
</details>
<br />


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Dependabot will resolve any conflicts with this PR as long as you don't
alter it yourself. You can also trigger a rebase manually by commenting
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[//]: # (dependabot-automerge-start)
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<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits
that have been made to it
- `@dependabot show <dependency name> ignore conditions` will show all
of the ignore conditions of the specified dependency
- `@dependabot ignore <dependency name> major version` will close this
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dependency's minor version (unless you unignore this specific
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- `@dependabot ignore <dependency name>` will close this group update PR
and stop Dependabot creating any more for the specific dependency
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You can disable automated security fix PRs for this repo from the
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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/_integration_test.yml

@@ -37,7 +37,7 @@ jobs:
       run:
         working-directory: libs/cli
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Get changed files
         id: changed-files
         if: github.event_name != 'workflow_dispatch'

.github/workflows/_lint.yml

@@ -31,7 +31,7 @@ jobs:
           - "3.12"
     name: "lint #${{ matrix.python-version }}"
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Get changed files
         id: changed-files
         if: github.event_name != 'workflow_dispatch'

.github/workflows/_sdk_integration_test.yml

@@ -23,7 +23,7 @@ jobs:
     env:
       HAS_LANGSMITH_API_KEY: ${{ secrets.LANGSMITH_API_KEY != '' }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Set up Python
         uses: ./.github/actions/uv_setup
@@ -33,7 +33,7 @@ jobs:
           working-directory: libs/sdk-py
 
       - name: Login to Docker Hub
-        uses: docker/login-action@650006c6eb7dba73a995cc03b0b2d7f5ca915bee # v4
+        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4
         if: ${{ !github.event.pull_request.head.repo.fork }}
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}

.github/workflows/_test.yml

@@ -25,7 +25,7 @@ jobs:
 
     name: "test #${{ matrix.python-version }}"
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Set up Python ${{ matrix.python-version }}
         uses: ./.github/actions/uv_setup
         with:
@@ -33,7 +33,7 @@ jobs:
           cache-suffix: test-${{ inputs.working-directory }}
           working-directory: ${{ inputs.working-directory }}
       - name: Login to Docker Hub
-        uses: docker/login-action@650006c6eb7dba73a995cc03b0b2d7f5ca915bee # v4
+        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4
         if: ${{ !github.event.pull_request.head.repo.fork }}
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}

.github/workflows/_test_langgraph.yml

@@ -23,7 +23,7 @@ jobs:
         working-directory: libs/langgraph
     name: "test #${{ matrix.python-version }}"
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Set up Python ${{ matrix.python-version }}
         uses: ./.github/actions/uv_setup
         with:
@@ -31,7 +31,7 @@ jobs:
           cache-suffix: "test-langgraph"
           working-directory: libs/langgraph
       - name: Login to Docker Hub
-        uses: docker/login-action@650006c6eb7dba73a995cc03b0b2d7f5ca915bee # v4
+        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4
         if: ${{ !github.event.pull_request.head.repo.fork }}
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}

.github/workflows/_test_release.yml

@@ -23,7 +23,7 @@ jobs:
       version: ${{ steps.check-version.outputs.version }}
 
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Set up Python ${{ env.PYTHON_VERSION }}
         uses: ./.github/actions/uv_setup
@@ -74,7 +74,7 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
         with:
@@ -82,7 +82,7 @@ jobs:
           path: ${{ inputs.working-directory }}/dist/
 
       - name: Publish to test PyPI
-        uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b # release/v1
+        uses: pypa/gh-action-pypi-publish@dc37677b2e1c63e2034f94d8a5b11f265b73ba33 # release/v1
         with:
           packages-dir: ${{ inputs.working-directory }}/dist/
           verbose: true

.github/workflows/baseline.yml

@@ -17,7 +17,7 @@ jobs:
       run:
         working-directory: libs/langgraph
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - run: SHA=$(git rev-parse HEAD) && echo "SHA=$SHA" >> $GITHUB_ENV
       - name: Set up Python 3.11
         uses: ./.github/actions/uv_setup

.github/workflows/bench.yml

@@ -15,7 +15,7 @@ jobs:
       run:
         working-directory: libs/langgraph
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - id: files
         name: Get changed files
         uses: Ana06/get-changed-files@25f79e676e7ea1868813e21465014798211fad8c # v2.3.0

.github/workflows/ci.yml

@@ -30,8 +30,8 @@ jobs:
       deps: ${{ steps.filter.outputs.deps || 'true' }}
       sdk_py: ${{ steps.filter.outputs.sdk_py || 'true' }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
-      - uses: dorny/paths-filter@fbd0ab8f3e69293af611ebaee6363fc25e6d187d # v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - uses: dorny/paths-filter@7b450fff21473bca461d4b92ce414b9d0420d706 # v4
         if: github.event_name != 'workflow_dispatch'
         id: filter
         with:
@@ -112,9 +112,9 @@ jobs:
     name: "Check SDK methods matching"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Set up Python
-        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: "3.11"
       - name: Run check_sdk_methods script
@@ -130,7 +130,7 @@ jobs:
         python-version:
           - "3.13"
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Set up Python ${{ matrix.python-version }}
         uses: ./.github/actions/uv_setup
         with:

.github/workflows/deploy-redirects.yml

@@ -26,10 +26,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Setup Python
-        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: '3.11'
 

.github/workflows/release.yml

@@ -25,7 +25,7 @@ jobs:
       tag: ${{ steps.check-version.outputs.tag }}
 
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Set up Python
         uses: ./.github/actions/uv_setup
@@ -87,7 +87,7 @@ jobs:
     outputs:
       release-body: ${{ steps.generate-release-body.outputs.release-body }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: langchain-ai/langgraph
           path: langgraph
@@ -158,7 +158,7 @@ jobs:
       - test-pypi-publish
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       # We explicitly *don't* set up caching here. This ensures our tests are
       # maximally sensitive to catching breakage.
@@ -262,7 +262,7 @@ jobs:
         working-directory: ${{ inputs.working-directory }}
 
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Set up Python
         uses: ./.github/actions/uv_setup
@@ -278,7 +278,7 @@ jobs:
           path: ${{ inputs.working-directory }}/dist/
 
       - name: Publish package distributions to PyPI
-        uses: pypa/gh-action-pypi-publish@cef221092ed1bacb1cc03d23a2d87d1d172e277b # release/v1
+        uses: pypa/gh-action-pypi-publish@dc37677b2e1c63e2034f94d8a5b11f265b73ba33 # release/v1
         with:
           packages-dir: ${{ inputs.working-directory }}/dist/
           verbose: true
@@ -304,7 +304,7 @@ jobs:
         working-directory: ${{ inputs.working-directory }}
 
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Set up Python
         uses: ./.github/actions/uv_setup

.github/workflows/uv_lock_ugprade.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       
       - name: Set up uv
         uses: ./.github/actions/uv_setup

.gitignore

@@ -77,6 +77,10 @@ __pypackages__/
 # Environments
 .env
 .envrc
+*.crt
+*.key
+*.pem
+credentials.json
 .venv
 .venvs
 env/
@@ -98,6 +102,7 @@ dmypy.json
 
 .vercel
 .turbo
+node_modules/
 .editorconfig
 .scratch
 .worktrees/

libs/checkpoint-conformance/langgraph/checkpoint/conformance/spec/test_delta_channel_history.py

@@ -6,9 +6,12 @@ import traceback
 from collections.abc import Callable
 from uuid import uuid4
 
-from langgraph.checkpoint.base import BaseCheckpointSaver
+from langgraph.checkpoint.base import BaseCheckpointSaver, Checkpoint
+from langgraph.checkpoint.base.id import uuid6
+from langgraph.checkpoint.serde.types import _DeltaSnapshot
 
 from langgraph.checkpoint.conformance.spec._delta_fixtures import build_delta_chain
+from langgraph.checkpoint.conformance.test_utils import generate_metadata
 
 
 async def test_history_returns_writes_oldest_first(
@@ -48,8 +51,6 @@ async def test_history_seed_is_nearest_snapshot(
     result = await saver.aget_delta_channel_history(config=head, channels=["ch"])
     assert "seed" in result["ch"], "Expected seed from snapshot at step 3"
     seed = result["ch"]["seed"]
-    from langgraph.checkpoint.serde.types import _DeltaSnapshot
-
     actual_value = seed.value if isinstance(seed, _DeltaSnapshot) else seed
     assert actual_value == 3, f"Expected seed value 3 (step 3), got {actual_value}"
     writes = result["ch"]["writes"]
@@ -81,11 +82,6 @@ async def test_history_multi_channel(
     tid = str(uuid4())
     configs: list = []
     parent_cfg = None
-    from langgraph.checkpoint.base import Checkpoint
-    from langgraph.checkpoint.base.id import uuid6
-    from langgraph.checkpoint.serde.types import _DeltaSnapshot
-
-    from langgraph.checkpoint.conformance.test_utils import generate_metadata
 
     for step in range(5):
         config = {"configurable": {"thread_id": tid, "checkpoint_ns": ""}}
@@ -161,11 +157,6 @@ async def test_history_migration_plain_value_as_seed(
     channel_values[ch] (not a _DeltaSnapshot). The walk should treat it as the
     seed and terminate there.
     """
-    from langgraph.checkpoint.base import Checkpoint
-    from langgraph.checkpoint.base.id import uuid6
-
-    from langgraph.checkpoint.conformance.test_utils import generate_metadata
-
     tid = str(uuid4())
     configs: list = []
     parent_cfg = None
@@ -208,6 +199,74 @@ async def test_history_migration_plain_value_as_seed(
     assert values == [2], f"Expected [2], got {values}"
 
 
+async def test_history_seed_ancestor_own_writes_are_replayed(
+    saver: BaseCheckpointSaver,
+) -> None:
+    """Writes stored AT the seed ancestor must be included in `writes`.
+
+    A stored value is the state ENTERING its checkpoint; the writes stored
+    under that same checkpoint are what produced its child and are therefore
+    NOT subsumed by it. Only writes at ancestors OLDER than the seed are
+    subsumed, and the walk terminates before reaching them.
+
+    This holds for plain-value seeds (migration from a pre-delta channel type)
+    exactly as it does for `_DeltaSnapshot` seeds. Skipping the seed
+    ancestor's own writes silently drops the first post-migration write.
+    """
+    tid = str(uuid4())
+    configs: list = []
+    parent_cfg = None
+
+    # Each step's write is labelled by the role it plays, so the assertion
+    # below reads directly rather than by step index.
+    writes_by_step = {
+        0: "older-than-seed",  # subsumed by the value stored at step 1
+        1: "at-seed",  # the seed's own write, produced step 2
+        2: "after-seed",  # delta-era write on the path to the head
+        3: "pending-at-head",  # pending for the next step, never replayed
+    }
+    # Steps 0 and 1 store a plain value; 1 is the nearest, so it is the seed.
+    values_by_step = {0: [10], 1: [10, 20]}
+
+    for step in range(4):
+        config = {"configurable": {"thread_id": tid, "checkpoint_ns": ""}}
+        if parent_cfg:
+            config["configurable"]["checkpoint_id"] = parent_cfg["configurable"][
+                "checkpoint_id"
+            ]
+        cv: dict = {}
+        cvs: dict = {}
+        if step in values_by_step:
+            cv["ch"] = values_by_step[step]
+            cvs["ch"] = step + 1
+        cp = Checkpoint(
+            v=1,
+            id=str(uuid6(clock_seq=-1)),
+            ts="",
+            channel_values=cv,
+            channel_versions=cvs,
+            versions_seen={},
+            updated_channels=None,
+        )
+        parent_cfg = await saver.aput(config, cp, generate_metadata(step=step), cvs)
+        configs.append(parent_cfg)
+        await saver.aput_writes(
+            parent_cfg, [("ch", writes_by_step[step])], str(uuid4())
+        )
+
+    head = configs[-1]
+    result = await saver.aget_delta_channel_history(config=head, channels=["ch"])
+
+    assert "seed" in result["ch"], "Expected seed from plain value at step 1"
+    assert result["ch"]["seed"] == [10, 20], (
+        f"Expected nearest plain value [10, 20], got {result['ch']['seed']}"
+    )
+    values = [w[2] for w in result["ch"]["writes"]]
+    assert values == ["at-seed", "after-seed"], (
+        f'Expected ["at-seed", "after-seed"], got {values}'
+    )
+
+
 ALL_DELTA_CHANNEL_HISTORY_TESTS = [
     test_history_returns_writes_oldest_first,
     test_history_seed_is_nearest_snapshot,
@@ -216,6 +275,7 @@ ALL_DELTA_CHANNEL_HISTORY_TESTS = [
     test_history_empty_channels_returns_empty,
     test_history_walk_to_root_no_seed,
     test_history_migration_plain_value_as_seed,
+    test_history_seed_ancestor_own_writes_are_replayed,
 ]
 
 

libs/checkpoint-conformance/pyproject.toml

@@ -58,8 +58,14 @@ lint.select = [
   "UP", # pyupgrade
   "B",  # flake8-bugbear
   "I",  # isort
+  "PLC0415",  # import-outside-top-level
+  "RUF100",  # unused noqa directive
 ]
 lint.ignore = ["E501", "B008"]
+# PLC0415 (import-outside-top-level) is enforced in tests only. Library code
+# still has deferred imports that have not been reviewed, so it stays exempt
+# for now.
+lint.per-file-ignores = { "langgraph/**" = ["PLC0415"] }
 target-version = "py310"
 
 [tool.uv.sources]

libs/checkpoint-conformance/uv.lock

@@ -247,7 +247,7 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "1.4.8"
+version = "1.5.2"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "jsonpatch" },
@@ -260,9 +260,9 @@ dependencies = [
     { name = "typing-extensions" },
     { name = "uuid-utils" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/12/e3/bea6d0080acf183332f24dcd74c208aee5857cf8f783c3fb0bd86027d8fb/langchain_core-1.4.8.tar.gz", hash = "sha256:5bf1f8411077c904182ad8f975943d36adcbf579c4e017b3a118b719229ebf9a", size = 957974, upload-time = "2026-06-18T19:39:23.636Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/6e/58/3ad53096eee1e07728e8219ded30ae308b0f2b8b7b26b8ebb6371917c0f5/langchain_core-1.5.2.tar.gz", hash = "sha256:2d13ab35b42eec63d4669a483776b8cdd778ee764107149369fb369d84c08c41", size = 972322, upload-time = "2026-07-28T16:38:37.977Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/13/d6/bdf6f0481cc57ef300d6b1eb48cf1400c0409be715d6eb3cabadd1142a09/langchain_core-1.4.8-py3-none-any.whl", hash = "sha256:d84c28b05e3ba8d4271d0827aad5b592ccdaaf986e76768c23503f0a2045e8aa", size = 557416, upload-time = "2026-06-18T19:39:21.902Z" },
+    { url = "https://files.pythonhosted.org/packages/ca/e4/024e402a65f5ee2eb6ae9667b5ffc5f08776cb4e712f5a11ee1997d56083/langchain_core-1.5.2-py3-none-any.whl", hash = "sha256:a687dd7c3b22c6c1294e1c1eeb61fb6f3a308e6015a1d75b576b3836ad5b5aed", size = 561643, upload-time = "2026-07-28T16:38:36.38Z" },
 ]
 
 [[package]]
@@ -279,7 +279,7 @@ wheels = [
 
 [[package]]
 name = "langgraph-checkpoint"
-version = "4.1.1"
+version = "4.2.0"
 source = { editable = "../checkpoint" }
 dependencies = [
     { name = "langchain-core" },
@@ -809,27 +809,27 @@ wheels = [
 
 [[package]]
 name = "ruff"
-version = "0.15.20"
+version = "0.16.0"
 source = { registry = "https://pypi.org/simple" }
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libs/checkpoint-postgres/README.md

@@ -67,24 +67,12 @@ with PostgresSaver.from_conn_string(DB_URI) as checkpointer:
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-        },
-        "channel_versions": {
-            "__start__": 2,
-            "my_key": 3,
-            "start:node": 3,
-            "node": 3
-        },
+        "channel_values": {"my_key": "meow", "node": "node"},
+        "channel_versions": {"__start__": 2, "my_key": 3, "start:node": 3, "node": 3},
         "versions_seen": {
             "__input__": {},
-            "__start__": {
-            "__start__": 1
-            },
-            "node": {
-            "start:node": 2
-            }
+            "__start__": {"__start__": 1},
+            "node": {"start:node": 2},
         },
     }
 
@@ -108,24 +96,12 @@ async with AsyncPostgresSaver.from_conn_string(DB_URI) as checkpointer:
         "v": 4,
         "ts": "2024-07-31T20:14:19.804150+00:00",
         "id": "1ef4f797-8335-6428-8001-8a1503f9b875",
-        "channel_values": {
-            "my_key": "meow",
-            "node": "node"
-        },
-        "channel_versions": {
-            "__start__": 2,
-            "my_key": 3,
-            "start:node": 3,
-            "node": 3
-        },
+        "channel_values": {"my_key": "meow", "node": "node"},
+        "channel_versions": {"__start__": 2, "my_key": 3, "start:node": 3, "node": 3},
         "versions_seen": {
             "__input__": {},
-            "__start__": {
-            "__start__": 1
-            },
-            "node": {
-            "start:node": 2
-            }
+            "__start__": {"__start__": 1},
+            "node": {"start:node": 2},
         },
     }
 

libs/checkpoint-postgres/langgraph/checkpoint/postgres/__init__.py

@@ -223,7 +223,7 @@ class PostgresSaver(BasePostgresSaver):
             >>> checkpoint_tuple = memory.get_tuple(config)
             >>> print(checkpoint_tuple)
             CheckpointTuple(...)
-        """  # noqa
+        """
         thread_id = config["configurable"]["thread_id"]
         checkpoint_id = get_checkpoint_id(config)
         checkpoint_ns = config["configurable"].get("checkpoint_ns", "")
@@ -478,9 +478,11 @@ class PostgresSaver(BasePostgresSaver):
         stage1_sql = _build_delta_stage1_sql(channels, paged=True)
         parent_of: dict[str, str | None] = {}
         ver_by_i_by_cid: list[dict[str, str | None]] = [{} for _ in channels]
-        hs_by_i_by_cid: list[dict[str, bool]] = [{} for _ in channels]
+        hb_by_i_by_cid: list[dict[str, bool]] = [{} for _ in channels]
+        inline_by_i_by_cid: list[dict[str, Any]] = [{} for _ in channels]
         chain_by_ch: dict[str, list[str]] = {ch: [] for ch in channels}
         seed_ver_by_ch: dict[str, str | None] = {ch: None for ch in channels}
+        seed_inline_by_ch: dict[str, Any] = {}
         walk_cursor_by_ch: dict[str, str | None] = {}
         seeded: set[str] = set()
         cursor: str | None = None
@@ -489,7 +491,8 @@ class PostgresSaver(BasePostgresSaver):
             while True:
                 stage1_params: list[Any] = []
                 for ch in channels:
-                    stage1_params.extend([ch, ch])
+                    # ver_i, blob channel, blob version, inline_i
+                    stage1_params.extend([ch, ch, ch, ch])
                 stage1_params.extend(
                     [thread_id, checkpoint_ns, cursor, cursor, _DELTA_PAGE_SIZE]
                 )
@@ -502,16 +505,19 @@ class PostgresSaver(BasePostgresSaver):
                     channels,
                     parent_of,
                     ver_by_i_by_cid,
-                    hs_by_i_by_cid,
+                    hb_by_i_by_cid,
+                    inline_by_i_by_cid,
                 )
                 self._try_advance_walks(
                     checkpoint_id,
                     channels,
                     parent_of,
                     ver_by_i_by_cid,
-                    hs_by_i_by_cid,
+                    hb_by_i_by_cid,
+                    inline_by_i_by_cid,
                     chain_by_ch,
                     seed_ver_by_ch,
+                    seed_inline_by_ch,
                     walk_cursor_by_ch,
                     seeded,
                 )
@@ -546,6 +552,7 @@ class PostgresSaver(BasePostgresSaver):
             channels=channels,
             chain_by_ch=chain_by_ch,
             seed_ver_by_ch=seed_ver_by_ch,
+            seed_inline_by_ch=seed_inline_by_ch,
             stage2_rows=cast("list[_DeltaStage2Row]", stage2_rows),
         )
 

libs/checkpoint-postgres/langgraph/checkpoint/postgres/aio.py

@@ -426,9 +426,11 @@ class AsyncPostgresSaver(BasePostgresSaver):
         stage1_sql = _build_delta_stage1_sql(channels, paged=True)
         parent_of: dict[str, str | None] = {}
         ver_by_i_by_cid: list[dict[str, str | None]] = [{} for _ in channels]
-        hs_by_i_by_cid: list[dict[str, bool]] = [{} for _ in channels]
+        hb_by_i_by_cid: list[dict[str, bool]] = [{} for _ in channels]
+        inline_by_i_by_cid: list[dict[str, Any]] = [{} for _ in channels]
         chain_by_ch: dict[str, list[str]] = {ch: [] for ch in channels}
         seed_ver_by_ch: dict[str, str | None] = {ch: None for ch in channels}
+        seed_inline_by_ch: dict[str, Any] = {}
         walk_cursor_by_ch: dict[str, str | None] = {}
         seeded: set[str] = set()
         cursor: str | None = None
@@ -437,7 +439,8 @@ class AsyncPostgresSaver(BasePostgresSaver):
             while True:
                 stage1_params: list[Any] = []
                 for ch in channels:
-                    stage1_params.extend([ch, ch])
+                    # ver_i, blob channel, blob version, inline_i
+                    stage1_params.extend([ch, ch, ch, ch])
                 stage1_params.extend(
                     [thread_id, checkpoint_ns, cursor, cursor, _DELTA_PAGE_SIZE]
                 )
@@ -450,16 +453,19 @@ class AsyncPostgresSaver(BasePostgresSaver):
                     channels,
                     parent_of,
                     ver_by_i_by_cid,
-                    hs_by_i_by_cid,
+                    hb_by_i_by_cid,
+                    inline_by_i_by_cid,
                 )
                 self._try_advance_walks(
                     checkpoint_id,
                     channels,
                     parent_of,
                     ver_by_i_by_cid,
-                    hs_by_i_by_cid,
+                    hb_by_i_by_cid,
+                    inline_by_i_by_cid,
                     chain_by_ch,
                     seed_ver_by_ch,
+                    seed_inline_by_ch,
                     walk_cursor_by_ch,
                     seeded,
                 )
@@ -490,6 +496,7 @@ class AsyncPostgresSaver(BasePostgresSaver):
             channels=channels,
             chain_by_ch=chain_by_ch,
             seed_ver_by_ch=seed_ver_by_ch,
+            seed_inline_by_ch=seed_inline_by_ch,
             stage2_rows=cast("list[_DeltaStage2Row]", stage2_rows),
         )
 
@@ -573,7 +580,7 @@ class AsyncPostgresSaver(BasePostgresSaver):
         while True:
             try:
                 yield asyncio.run_coroutine_threadsafe(
-                    anext(aiter_),  # type: ignore[arg-type]  # noqa: F821
+                    anext(aiter_),  # type: ignore[arg-type]
                     self.loop,
                 ).result()
             except StopAsyncIteration:

libs/checkpoint-postgres/langgraph/checkpoint/postgres/base.py

@@ -199,27 +199,68 @@ class _DeltaStage2Row(TypedDict, total=False):
 
 
 def _build_delta_stage1_sql(channels: Sequence[str], *, paged: bool) -> str:
-    """Build stage 1 SQL with 2K parallel JSONB key lookups.
+    """Build stage 1 SQL with K parallel version lookups + seed probes.
 
     For channels=["messages", "files"] (with `paged=True`) the result is::
 
         SELECT checkpoint_id, parent_checkpoint_id,
                checkpoint -> 'channel_versions' ->> %s AS ver_0,
-               (checkpoint -> 'channel_values' -> %s) IS NOT NULL AS hs_0,
+               EXISTS (SELECT 1 FROM checkpoint_blobs b0
+                       WHERE b0.thread_id = checkpoints.thread_id
+                         AND b0.checkpoint_ns = checkpoints.checkpoint_ns
+                         AND b0.channel = %s
+                         AND b0.version = checkpoint -> 'channel_versions' ->> %s
+                         AND b0.type <> 'empty') AS hb_0,
+               checkpoint -> 'channel_values' -> %s AS inline_0,
                checkpoint -> 'channel_versions' ->> %s AS ver_1,
-               (checkpoint -> 'channel_values' -> %s) IS NOT NULL AS hs_1
+               EXISTS (...) AS hb_1,
+               checkpoint -> 'channel_values' -> %s AS inline_1
         FROM checkpoints
         WHERE thread_id = %s AND checkpoint_ns = %s
           AND (%s::text IS NULL OR checkpoint_id < %s)
         ORDER BY checkpoint_id DESC
         LIMIT %s
 
-    Channel names are passed as `%s` parameters (safe from SQL injection).
-    Only the column aliases `ver_i` / `hs_i` are interpolated into the
-    SQL string (i is bounded by len(channels) and uses safe identifiers).
+    A stored value for a channel lives in one of two places, because `put`
+    splits them:
 
-    Caller must extend params with `[ch_0, ch_0, ch_1, ch_1, ...,
-    thread_id, ns, cursor, cursor, page_size]` when `paged=True`.
+    * **blob** — non-primitive values (and `_DeltaSnapshot`) are moved to
+      `checkpoint_blobs`. `hb_i` ("has blob") probes for one. The probe hits
+      that table's primary key `(thread_id, checkpoint_ns, channel, version)`
+      exactly, so it is an index lookup per row per channel.
+    * **inline** — `None`, `str`, `int`, `float` and `bool` stay in the
+      checkpoint's own `channel_values` and get no blob row at all. `inline_i`
+      returns that value.
+
+    Testing only for a key in `channel_values` (the previous approach) missed
+    blob-stored plain values, since `put` leaves an inline marker there for
+    `_DeltaSnapshot` but not for a plain value — which is what a thread
+    migrated from a pre-delta channel type leaves behind. Probing only the
+    blobs table would conversely miss inline primitives. Both are needed, and
+    the caller treats "either present" as the seed.
+
+    `hb_i` also disambiguates the two: for a `_DeltaSnapshot`, `inline_i` is the
+    literal `true` marker rather than the value, so a blob must win over an
+    inline reading whenever one exists. That ordering is what makes a genuine
+    inline `true` (a bool channel) distinguishable from the marker.
+
+    The `type <> 'empty'` predicate mirrors the check stage 2 already applies
+    when resolving the seed blob. `put` does not currently produce `empty` rows
+    on this path — `blob_versions` is filtered to keys present in
+    `channel_values`, so `_dump_blobs`' empty branch is unreachable from it —
+    but without the predicate the two stages could disagree: stage 1 would
+    terminate the walk on a row stage 2 then discards, yielding no seed *and* a
+    truncated write chain, which is the failure this function exists to avoid.
+
+    Channel names are passed as `%s` parameters (safe from SQL injection).
+    Only the column aliases `ver_i` / `hb_i` / `inline_i` and the subquery alias
+    `b{i}` are interpolated into the SQL string (i is bounded by len(channels)
+    and uses safe identifiers).
+
+    Caller must extend params with `[ch_0 x4, ch_1 x4, ..., thread_id, ns,
+    cursor, cursor, page_size]` when `paged=True` — four per channel: the
+    version lookup, the blob's channel, the version the blob must match, and the
+    inline lookup.
 
     When `paged=False`, the WHERE has no cursor predicate and there's no
     LIMIT/ORDER BY — kept as a non-public helper for tests/diagnostics.
@@ -228,7 +269,13 @@ def _build_delta_stage1_sql(channels: Sequence[str], *, paged: bool) -> str:
     for i in range(len(channels)):
         cols.append(
             f"checkpoint -> 'channel_versions' ->> %s AS ver_{i}, "
-            f"(checkpoint -> 'channel_values' -> %s) IS NOT NULL AS hs_{i}"
+            f"EXISTS (SELECT 1 FROM checkpoint_blobs b{i} "
+            f"WHERE b{i}.thread_id = checkpoints.thread_id "
+            f"AND b{i}.checkpoint_ns = checkpoints.checkpoint_ns "
+            f"AND b{i}.channel = %s "
+            f"AND b{i}.version = checkpoint -> 'channel_versions' ->> %s "
+            f"AND b{i}.type <> 'empty') AS hb_{i}, "
+            f"checkpoint -> 'channel_values' -> %s AS inline_{i}"
         )
     sql = (
         "SELECT checkpoint_id, parent_checkpoint_id, "
@@ -342,7 +389,8 @@ class BasePostgresSaver(BaseCheckpointSaver[str]):
         channels: Sequence[str],
         parent_of: dict[str, str | None],
         ver_by_i_by_cid: list[dict[str, str | None]],
-        hs_by_i_by_cid: list[dict[str, bool]],
+        hb_by_i_by_cid: list[dict[str, bool]],
+        inline_by_i_by_cid: list[dict[str, Any]],
     ) -> str | None:
         """Fold one stage-1 page into the running walk-state mappings.
 
@@ -356,7 +404,8 @@ class BasePostgresSaver(BaseCheckpointSaver[str]):
             parent_of[cid] = cast("str | None", r["parent_checkpoint_id"])
             for i in range(len(channels)):
                 ver_by_i_by_cid[i][cid] = cast("str | None", r.get(f"ver_{i}"))
-                hs_by_i_by_cid[i][cid] = bool(r.get(f"hs_{i}"))
+                hb_by_i_by_cid[i][cid] = bool(r.get(f"hb_{i}"))
+                inline_by_i_by_cid[i][cid] = r.get(f"inline_{i}")
             # Rows are DESC; the last one is the smallest cid in the page.
             oldest = cid
         return oldest
@@ -367,9 +416,11 @@ class BasePostgresSaver(BaseCheckpointSaver[str]):
         channels: Sequence[str],
         parent_of: Mapping[str, str | None],
         ver_by_i_by_cid: Sequence[Mapping[str, str | None]],
-        hs_by_i_by_cid: Sequence[Mapping[str, bool]],
+        hb_by_i_by_cid: Sequence[Mapping[str, bool]],
+        inline_by_i_by_cid: Sequence[Mapping[str, Any]],
         chain_by_ch: dict[str, list[str]],
         seed_ver_by_ch: dict[str, str | None],
+        seed_inline_by_ch: dict[str, Any],
         walk_cursor_by_ch: dict[str, str | None],
         seeded: set[str],
     ) -> None:
@@ -377,14 +428,15 @@ class BasePostgresSaver(BaseCheckpointSaver[str]):
 
         Uses the partial `parent_of` map accumulated so far. A walk stops
         either because:
-          (a) it found a snapshot for its channel (channel becomes seeded),
+          (a) it found a stored value for its channel — a blob or an inline
+              primitive (channel becomes seeded),
           (b) it reached a real root (parent_of[cid] is None — fully
               materialized at this point), or
           (c) the next ancestor cid isn't in `parent_of` yet (waiting for
               a later page; the cursor stays put).
 
-        Mutates `chain_by_ch`, `seed_ver_by_ch`, `walk_cursor_by_ch`, and
-        `seeded` in place.
+        Mutates `chain_by_ch`, `seed_ver_by_ch`, `seed_inline_by_ch`,
+        `walk_cursor_by_ch`, and `seeded` in place.
         """
         for i, ch in enumerate(channels):
             if ch in seeded:
@@ -394,15 +446,22 @@ class BasePostgresSaver(BaseCheckpointSaver[str]):
                 walk_cursor_by_ch[ch] = parent_of.get(target_id)
             cur_cid = walk_cursor_by_ch[ch]
             ch_chain = chain_by_ch[ch]
-            hs_i = hs_by_i_by_cid[i]
+            hb_i = hb_by_i_by_cid[i]
+            inline_i = inline_by_i_by_cid[i]
             ver_i = ver_by_i_by_cid[i]
             while cur_cid is not None:
                 if cur_cid not in parent_of:
                     # Need more pages to continue this walk.
                     break
                 ch_chain.append(cur_cid)
-                if hs_i.get(cur_cid, False):
+                has_blob = hb_i.get(cur_cid, False)
+                inline = inline_i.get(cur_cid)
+                if has_blob or inline is not None:
+                    # A blob wins: for a `_DeltaSnapshot` the inline reading is
+                    # the `true` marker, not the value.
                     seed_ver_by_ch[ch] = ver_i.get(cur_cid)
+                    if not has_blob:
+                        seed_inline_by_ch[ch] = inline
                     seeded.add(ch)
                     cur_cid = None
                     break
@@ -415,16 +474,23 @@ class BasePostgresSaver(BaseCheckpointSaver[str]):
         channels: Sequence[str],
         chain_by_ch: Mapping[str, list[str]],
         seed_ver_by_ch: Mapping[str, str | None],
+        seed_inline_by_ch: Mapping[str, Any],
         stage2_rows: Sequence[_DeltaStage2Row],
     ) -> dict[str, DeltaChannelHistory]:
         """Demux stage 2 rows per channel; produce per-channel histories.
 
         stage2_rows carry `channel` on every row. We build per-channel
         `writes_by_cid` and per-channel `seed_blob` dicts, then assemble
-        a `DeltaChannelHistory` per requested channel. The `seed` key is omitted
-        when the walk reached root with no snapshot found, or when the
-        seed blob is sentinel "empty" — in both cases the consumer treats
-        absence as "start empty".
+        a `DeltaChannelHistory` per requested channel.
+
+        A seed comes from the blobs table when the walk found one there, and
+        otherwise from `seed_inline_by_ch` — `put` keeps `None`, `str`, `int`,
+        `float` and `bool` values in the checkpoint's own `channel_values` with
+        no blob row, so those never appear in `stage2_rows`.
+
+        The `seed` key is omitted when the walk reached root without finding a
+        stored value, or when the seed blob is sentinel "empty" — in both cases
+        the consumer treats absence as "start empty".
         """
         # writes_by_ch_by_cid[channel][cid] = list of (type, blob, task_id, idx)
         writes_by_ch_by_cid: dict[str, dict[str, list[tuple[str, bytes, str, int]]]] = {
@@ -473,6 +539,10 @@ class BasePostgresSaver(BaseCheckpointSaver[str]):
                 blob = seed_blob_by_ver.get((ch, seed_version))
                 if blob is not None and blob[0] != "empty":
                     entry["seed"] = self.serde.loads_typed(blob)
+                elif ch in seed_inline_by_ch:
+                    # Inline primitive: stored in the checkpoint, not the blobs
+                    # table, so stage 2 never returned a row for it.
+                    entry["seed"] = seed_inline_by_ch[ch]
             result[ch] = entry
         return result
 

libs/checkpoint-postgres/langgraph/checkpoint/postgres/shallow.py

@@ -334,7 +334,7 @@ class ShallowPostgresSaver(BasePostgresSaver):
             >>> checkpoint_tuple = memory.get_tuple(config)
             >>> print(checkpoint_tuple)
             CheckpointTuple(...)
-        """  # noqa
+        """
         thread_id = config["configurable"]["thread_id"]
         checkpoint_ns = config["configurable"].get("checkpoint_ns", "")
         args = (thread_id, checkpoint_ns)
@@ -885,7 +885,7 @@ class AsyncShallowPostgresSaver(BasePostgresSaver):
         while True:
             try:
                 yield asyncio.run_coroutine_threadsafe(
-                    anext(aiter_),  # type: ignore[arg-type]  # noqa: F821
+                    anext(aiter_),  # type: ignore[arg-type]
                     self.loop,
                 ).result()
             except StopAsyncIteration:

libs/checkpoint-postgres/langgraph/store/postgres/base.py

@@ -4,6 +4,7 @@ import asyncio
 import concurrent.futures
 import json
 import logging
+import re
 import threading
 from collections import defaultdict
 from collections.abc import Callable, Iterable, Iterator, Sequence
@@ -238,6 +239,12 @@ class BasePostgresStore(Generic[C]):
     conn: C
     _deserializer: Callable[[bytes | orjson.Fragment], dict[str, Any]] | None
     index_config: PostgresIndexConfig | None
+    ttl_config: TTLConfig | None
+
+    @property
+    def _omit_expired(self) -> bool:
+        """Whether expired-but-unswept rows should be filtered from reads."""
+        return bool(self.ttl_config and self.ttl_config.get("omit_expired"))
 
     def _get_batch_GET_ops_queries(
         self,
@@ -258,12 +265,17 @@ class BasePostgresStore(Generic[C]):
             namespace_groups[op.namespace].append((idx, op.key))
             refresh_ttls[op.namespace].append(op.refresh_ttl)
 
+        omit_expired = self._omit_expired
+        expiry_clause = (
+            "AND (s.expires_at IS NULL OR s.expires_at > NOW())" if omit_expired else ""
+        )
+
         results = []
         for namespace, items in namespace_groups.items():
             _, keys = zip(*items, strict=False)
             this_refresh_ttls = refresh_ttls[namespace]
 
-            query = """
+            query = f"""
                 WITH passed_in AS (
                     SELECT unnest(%s::text[]) AS key,
                         unnest(%s::bool[])  AS do_refresh
@@ -276,12 +288,14 @@ class BasePostgresStore(Generic[C]):
                     AND s.key    = p.key
                     AND p.do_refresh = TRUE
                     AND s.ttl_minutes IS NOT NULL
+                    {expiry_clause}
                     RETURNING s.key
                 )
                 SELECT s.key, s.value, s.created_at, s.updated_at
                 FROM store s
                 JOIN passed_in p ON s.key = p.key
                 WHERE s.prefix = %s
+                {expiry_clause}
             """
             ns_text = _namespace_to_text(namespace)
             params = (
@@ -422,6 +436,13 @@ class BasePostgresStore(Generic[C]):
         - embedding_requests: list of (original_index_in_search_ops, text_query)
         """
 
+        omit_expired = self._omit_expired
+        search_expiry_clause = (
+            "AND (store.expires_at IS NULL OR store.expires_at > NOW())"
+            if omit_expired
+            else ""
+        )
+
         queries = []
         embedding_requests = []
         for idx, (_, op) in enumerate(search_ops):
@@ -443,8 +464,9 @@ class BasePostgresStore(Generic[C]):
             ns_condition = "TRUE"
             ns_param: Sequence[str] | None = None
             if op.namespace_prefix:
-                ns_condition = "store.prefix LIKE %s"
-                ns_param = (f"{_namespace_to_text(op.namespace_prefix)}%",)
+                ns_condition, ns_param = _namespace_prefix_condition(
+                    op.namespace_prefix
+                )
             else:
                 ns_param = ()
 
@@ -491,7 +513,7 @@ class BasePostgresStore(Generic[C]):
                             {score_operator} AS neg_score
                         FROM store
                         JOIN store_vectors sv ON store.prefix = sv.prefix AND store.key = sv.key
-                        WHERE {ns_condition} {extra_filters}
+                        WHERE {ns_condition} {extra_filters} {search_expiry_clause}
                         ORDER BY {score_operator} ASC
                         LIMIT %s
                     """
@@ -527,7 +549,7 @@ class BasePostgresStore(Generic[C]):
                 base_query = f"""
                         SELECT store.prefix, store.key, store.value, store.created_at, store.updated_at, NULL AS score
                         FROM store
-                        WHERE {ns_condition} {extra_filters}
+                        WHERE {ns_condition} {extra_filters} {search_expiry_clause}
                         ORDER BY store.updated_at DESC
                         LIMIT %s
                         OFFSET %s
@@ -591,18 +613,23 @@ class BasePostgresStore(Generic[C]):
             """
             params: list[Any] = [op.max_depth, op.max_depth]
 
+            omit_expired = self._omit_expired
             conditions = []
+            if omit_expired:
+                conditions.append("(expires_at IS NULL OR expires_at > NOW())")
             if op.match_conditions:
                 for condition in op.match_conditions:
-                    if condition.match_type == "prefix":
-                        conditions.append("prefix LIKE %s")
+                    if condition.match_type in ("prefix", "suffix"):
+                        if not condition.path:
+                            # An empty path constrains nothing; skipping keeps it a
+                            # no-op rather than emitting a pattern that matches no
+                            # namespace at all.
+                            continue
+                        conditions.append("prefix ~ %s")
                         params.append(
-                            f"{_namespace_to_text(condition.path, handle_wildcards=True)}%"
-                        )
-                    elif condition.match_type == "suffix":
-                        conditions.append("prefix LIKE %s")
-                        params.append(
-                            f"%{_namespace_to_text(condition.path, handle_wildcards=True)}"
+                            _namespace_match_pattern(
+                                condition.path, condition.match_type
+                            )
                         )
                     else:
                         logger.warning(
@@ -1248,15 +1275,59 @@ def _get_index_params(store: Any) -> tuple[str, dict[str, Any]]:
     return kind, sanitized
 
 
-def _namespace_to_text(
-    namespace: tuple[str, ...], handle_wildcards: bool = False
-) -> str:
+def _namespace_to_text(namespace: tuple[str, ...]) -> str:
     """Convert namespace tuple to text string."""
-    if handle_wildcards:
-        namespace = tuple("%" if val == "*" else val for val in namespace)
     return ".".join(namespace)
 
 
+def _escape_like_literal(text: str) -> str:
+    """Escape LIKE metacharacters so `text` is matched literally.
+
+    Namespace labels may contain `_` and `%`, which would otherwise act as
+    wildcards: `("user_1",)` would match `("userX1",)`. Backslash is escaped
+    first so it cannot escape the following character. Requires an explicit
+    `ESCAPE '\\'` clause on the pattern.
+    """
+    return text.replace("\\", "\\\\").replace("%", "\\%").replace("_", "\\_")
+
+
+def _namespace_prefix_condition(namespace_prefix: tuple[str, ...]) -> tuple[str, tuple]:
+    """Build the SQL scoping a search to a namespace and its descendants.
+
+    Matches the namespace exactly or requires the `.` separator before any
+    remainder, so a prefix of `("foo",)` does not also match `("foobar",)`.
+
+    Both arms stay index-friendly: equality on the `(prefix, key)` primary key,
+    the anchored LIKE on the `prefix text_pattern_ops` index.
+
+    Only the LIKE arm is escaped -- equality does not interpret metacharacters,
+    so escaping it would stop `("user_1",)` from matching itself.
+    """
+    path = _namespace_to_text(namespace_prefix)
+    condition = r"(store.prefix = %s OR store.prefix LIKE %s ESCAPE '\')"
+    return condition, (path, f"{_escape_like_literal(path)}.%")
+
+
+def _namespace_match_pattern(path: tuple[str, ...], match_type: str) -> str:
+    """Build a POSIX regex matching the dot-joined prefix on whole segments.
+
+    Needed because `LIKE` cannot express "any character except the separator".
+    Matches how `InMemoryStore` compares namespaces element-wise.
+
+    `*` matches exactly one segment. Prefix matches stay open-ended but must end
+    on a separator; suffix matches anchor at the end and begin on one.
+
+    Examples:
+        prefix ("uid", "*", "alice") -> ^uid\\.[^.]+\\.alice(\\.|\\Z)
+        suffix ("alice",)            -> (^|\\.)alice\\Z
+    """
+    segments = ("[^.]+" if part == "*" else re.escape(part) for part in path)
+    body = r"\.".join(segments)
+    if match_type == "suffix":
+        return rf"(^|\.){body}\Z"
+    return rf"^{body}(\.|\Z)"
+
+
 def _row_to_item(
     namespace: tuple[str, ...],
     row: Row,

libs/checkpoint-postgres/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "langgraph-checkpoint-postgres"
-version = "3.1.0"
+version = "3.1.2"
 description = "Library with a Postgres implementation of LangGraph checkpoint saver."
 authors = []
 requires-python = ">=3.10"
@@ -32,6 +32,7 @@ test = [
   "pytest-mock",
   "psycopg[binary]",
   "langgraph-checkpoint",
+  "langgraph-checkpoint-conformance",
   "pytest-watcher",
 ]
 lint = [
@@ -49,6 +50,7 @@ default-groups = ['dev']
 
 [tool.uv.sources]
 langgraph-checkpoint = { path = "../checkpoint", editable = true }
+langgraph-checkpoint-conformance = { path = "../checkpoint-conformance", editable = true }
 
 [tool.hatch.build.targets.wheel]
 include = ["langgraph"]
@@ -64,6 +66,8 @@ lint.select = [
   "UP", # pyupgrade
   "B",  # flake8-bugbear
   "I",  # isort
+  "PLC0415",  # import-outside-top-level
+  "RUF100",  # unused noqa directive
   "UP", # pyupgrade
 ]
 lint.ignore = ["E501", "B008"]

libs/checkpoint-postgres/tests/test_async.py

@@ -380,13 +380,15 @@ async def test_delta_channel_chain_reconstruction(saver_name: str) -> None:
         "langgraph.channels.delta", reason="langgraph core not installed"
     )
 
-    from typing import Annotated
+    # Deferred on purpose: langgraph core is not a test dependency of this
+    # package, so these must stay behind the importorskip above.
+    from typing import Annotated  # noqa: PLC0415
 
-    from langchain_core.messages import AIMessage, HumanMessage
-    from langgraph.channels.delta import DeltaChannel
-    from langgraph.graph import START, StateGraph
-    from langgraph.graph.message import _messages_delta_reducer
-    from typing_extensions import TypedDict
+    from langchain_core.messages import AIMessage, HumanMessage  # noqa: PLC0415
+    from langgraph.channels.delta import DeltaChannel  # noqa: PLC0415
+    from langgraph.graph import START, StateGraph  # noqa: PLC0415
+    from langgraph.graph.message import _messages_delta_reducer  # noqa: PLC0415
+    from typing_extensions import TypedDict  # noqa: PLC0415
 
     class State(TypedDict):
         messages: Annotated[list, DeltaChannel(_messages_delta_reducer)]

libs/checkpoint-postgres/tests/test_async_store.py

@@ -739,3 +739,135 @@ async def test_store_ttl(store):
     # Now has been (TTL_SECONDS-2)*2 > TTL_SECONDS + TTL_SECONDS/2
     results = await store.asearch(ns, query="bar", refresh_ttl=False)
     assert len(results) == 0
+
+
+async def _aexpire_now(
+    store: AsyncPostgresStore, ns: tuple[str, ...], key: str
+) -> None:
+    """Backdate a row's expires_at into the past without deleting it (unswept)."""
+    async with store._cursor() as cur:
+        await cur.execute(
+            "UPDATE store SET expires_at = NOW() - INTERVAL '1 minute' "
+            "WHERE prefix = %s AND key = %s",
+            (".".join(ns), key),
+        )
+
+
+async def _arow_exists(
+    store: AsyncPostgresStore, ns: tuple[str, ...], key: str
+) -> bool:
+    async with store._cursor() as cur:
+        await cur.execute(
+            "SELECT COUNT(*) AS n FROM store WHERE prefix = %s AND key = %s",
+            (".".join(ns), key),
+        )
+        return (await cur.fetchone())["n"] == 1
+
+
+async def _astored_expires_at(store: AsyncPostgresStore, ns: tuple[str, ...], key: str):
+    async with store._cursor() as cur:
+        await cur.execute(
+            "SELECT expires_at FROM store WHERE prefix = %s AND key = %s",
+            (".".join(ns), key),
+        )
+        return (await cur.fetchone())["expires_at"]
+
+
+async def test_omit_expired_filters_read_paths(store: AsyncPostgresStore) -> None:
+    await store.stop_ttl_sweeper()  # deterministic: no background deletion
+    store.ttl_config["omit_expired"] = True
+
+    expired_ns = ("omit", "expired")
+    control_ns = ("omit", "control")
+    await store.aput(expired_ns, "e", {"data": "gone"}, ttl=TTL_MINUTES)
+    await store.aput(control_ns, "c", {"data": "keep"}, ttl=None)
+    await _aexpire_now(store, expired_ns, "e")
+
+    # The row is expired but physically still present (unswept).
+    assert await _arow_exists(store, expired_ns, "e")
+
+    # aget omits it; the never-expiring control is still returned.
+    assert await store.aget(expired_ns, "e") is None
+    assert await store.aget(control_ns, "c") is not None
+
+    # asearch omits it but returns the control.
+    assert await store.asearch(expired_ns) == []
+    assert [i.key for i in await store.asearch(control_ns)] == ["c"]
+
+    # alist_namespaces drops the expired-only namespace, keeps the control.
+    namespaces = await store.alist_namespaces(prefix=("omit",))
+    assert expired_ns not in namespaces
+    assert control_ns in namespaces
+
+
+@pytest.mark.parametrize("omit", [None, False], ids=["default", "explicit-false"])
+async def test_omit_expired_disabled_preserves_expired_rows(
+    store: AsyncPostgresStore, omit
+) -> None:
+    await store.stop_ttl_sweeper()
+    if omit is not None:
+        store.ttl_config["omit_expired"] = omit
+
+    ns = ("keep",)
+    await store.aput(ns, "k", {"data": "still-here"}, ttl=TTL_MINUTES)
+    await _aexpire_now(store, ns, "k")
+
+    assert await store.aget(ns, "k", refresh_ttl=False) is not None
+    assert [i.key for i in await store.asearch(ns, refresh_ttl=False)] == ["k"]
+    assert ns in await store.alist_namespaces(prefix=("keep",))
+
+
+async def test_omit_expired_refresh_ttl_only_refreshes_live_rows(
+    store: AsyncPostgresStore,
+) -> None:
+    await store.stop_ttl_sweeper()
+    store.ttl_config["omit_expired"] = True
+
+    ns = ("refresh",)
+    await store.aput(ns, "expired", {"n": 0}, ttl=TTL_MINUTES)
+    await store.aput(ns, "live_get", {"n": 1}, ttl=TTL_MINUTES)
+    await store.aput(ns, "live_search", {"n": 2}, ttl=TTL_MINUTES)
+    await _aexpire_now(store, ns, "expired")
+
+    expired_before = await _astored_expires_at(store, ns, "expired")
+    get_before = await _astored_expires_at(store, ns, "live_get")
+    search_before = await _astored_expires_at(store, ns, "live_search")
+
+    # refresh_ttl=True must NOT resurrect the expired row (via aget or asearch)...
+    assert await store.aget(ns, "expired", refresh_ttl=True) is None
+    live_keys = [i.key for i in await store.asearch(ns, refresh_ttl=True)]
+    assert "expired" not in live_keys
+    assert await _astored_expires_at(store, ns, "expired") == expired_before
+
+    # ...but must still extend the live rows that were read.
+    assert await store.aget(ns, "live_get", refresh_ttl=True) is not None
+    assert await _astored_expires_at(store, ns, "live_get") > get_before
+    assert await _astored_expires_at(store, ns, "live_search") > search_before
+
+
+async def test_omit_expired_search_pagination(store: AsyncPostgresStore) -> None:
+    await store.stop_ttl_sweeper()
+    store.ttl_config["omit_expired"] = True
+
+    ns = ("page",)
+    for k in ("a", "b", "c"):
+        await store.aput(ns, k, {"k": k}, ttl=TTL_MINUTES)
+    await store.aput(ns, "expired", {"k": "x"}, ttl=TTL_MINUTES)
+    await _aexpire_now(store, ns, "expired")
+
+    seconds_ago = {"a": 1, "expired": 2, "b": 3, "c": 4}
+    # updated_at DESC orders these a, expired, b, c, so the expired row sits inside
+    # the first limit=2 window. Correct (pre-LIMIT) filtering yields live pages
+    # [a, b] then [c]; post-LIMIT filtering would underfill page 1 to just [a].
+    async with store._cursor() as cur:
+        for key, secs in seconds_ago.items():
+            await cur.execute(
+                "UPDATE store SET updated_at = NOW() - (%s * INTERVAL '1 second') "
+                "WHERE prefix = %s AND key = %s",
+                (secs, ".".join(ns), key),
+            )
+
+    page1 = await store.asearch(ns, limit=2, offset=0)
+    page2 = await store.asearch(ns, limit=2, offset=2)
+    assert [i.key for i in page1] == ["a", "b"]
+    assert [i.key for i in page2] == ["c"]

libs/checkpoint-postgres/tests/test_conformance_delta.py

@@ -0,0 +1,30 @@
+"""Run delta-channel conformance capabilities against AsyncPostgresSaver."""
+
+from __future__ import annotations
+
+import pytest
+from langgraph.checkpoint.conformance import validate
+from langgraph.checkpoint.conformance.initializer import checkpointer_test
+
+from langgraph.checkpoint.postgres.aio import AsyncPostgresSaver
+from tests.conftest import DEFAULT_URI
+
+
+@pytest.mark.asyncio
+async def test_delta_channel_conformance():
+    @checkpointer_test(name="AsyncPostgresSaver")
+    async def postgres_saver():
+        async with AsyncPostgresSaver.from_conn_string(DEFAULT_URI) as saver:
+            await saver.setup()
+            yield saver
+
+    report = await validate(
+        postgres_saver,
+        capabilities={
+            "delta_channel_history",
+        },
+    )
+    for cap, result in report.results.items():
+        if result.passed is False:
+            details = "\n".join(result.failures or [])
+            pytest.fail(f"Capability {cap} failed:\n{details}")

libs/checkpoint-postgres/tests/test_delta_plain_value_seed.py

@@ -0,0 +1,204 @@
+"""Seed detection for `DeltaChannel` histories on Postgres.
+
+`put` splits stored values in two: primitives stay inline in the checkpoint's
+`channel_values`, everything else moves to `checkpoint_blobs`. Only
+`_DeltaSnapshot` leaves an inline marker behind when it moves, so the stage-1
+walk has to check both places — a blob probe alone misses inline primitives, and
+an inline-key check alone missed blob-stored plain values, which is what a thread
+migrated from a pre-delta channel type leaves behind. See #8534.
+"""
+
+from __future__ import annotations
+
+from typing import Any
+from uuid import uuid4
+
+import pytest
+from langgraph.checkpoint.base import Checkpoint, empty_checkpoint
+from langgraph.checkpoint.base.id import uuid6
+from langgraph.checkpoint.serde.types import _DeltaSnapshot
+
+from langgraph.checkpoint.postgres.aio import AsyncPostgresSaver
+from tests.conftest import DEFAULT_URI
+
+CHANNEL = "items"
+
+
+async def _build_chain(saver: AsyncPostgresSaver, seed_value: Any) -> tuple[str, dict]:
+    """Store `seed_value` at step 1, then two steps that store nothing.
+
+    Every step carries a write so the walk has something to collect.
+    Returns `(thread_id, head_config)`.
+    """
+    thread_id = str(uuid4())
+    parent: dict | None = None
+    for step in range(4):
+        config: dict = {"configurable": {"thread_id": thread_id, "checkpoint_ns": ""}}
+        if parent is not None:
+            config["configurable"]["checkpoint_id"] = parent["configurable"][
+                "checkpoint_id"
+            ]
+        cp: Checkpoint = empty_checkpoint()
+        cp["id"] = str(uuid6(clock_seq=step))
+        new_versions: dict[str, Any] = {}
+        if step == 1:
+            cp["channel_values"][CHANNEL] = seed_value
+            cp["channel_versions"][CHANNEL] = "v1"
+            new_versions[CHANNEL] = "v1"
+        else:
+            cp["channel_versions"][CHANNEL] = f"v{step}"
+        parent = await saver.aput(
+            config, cp, {"source": "loop", "step": step, "parents": {}}, new_versions
+        )
+        await saver.aput_writes(parent, [(CHANNEL, f"w{step}")], str(uuid4()))
+    assert parent is not None
+    return thread_id, parent
+
+
+@pytest.mark.asyncio
+async def test_plain_value_seed_is_found() -> None:
+    """A pre-delta plain value must be located as the seed.
+
+    Before #8534 the walk ran to the root and returned no seed, which happens
+    to reconstruct correctly for additive reducers while costing an
+    O(thread length) replay on every read.
+    """
+    async with AsyncPostgresSaver.from_conn_string(DEFAULT_URI) as saver:
+        await saver.setup()
+        _, head = await _build_chain(saver, [10, 20])
+
+        result = await saver.aget_delta_channel_history(config=head, channels=[CHANNEL])
+        entry = result[CHANNEL]
+
+        assert entry.get("seed") == [10, 20], (
+            f"expected the plain value as seed, got {entry.get('seed', '<missing>')}"
+        )
+        # Only the writes between the seed and the head's parent replay: step 1
+        # (the seed's own) and step 2. Step 0 is older than the seed, step 3 is
+        # pending at the head.
+        assert [w[2] for w in entry["writes"]] == ["w1", "w2"]
+
+
+@pytest.mark.asyncio
+async def test_delta_snapshot_seed_is_found() -> None:
+    """The `_DeltaSnapshot` path keeps working, so both seed kinds agree."""
+    async with AsyncPostgresSaver.from_conn_string(DEFAULT_URI) as saver:
+        await saver.setup()
+        _, head = await _build_chain(saver, _DeltaSnapshot([10, 20]))
+
+        result = await saver.aget_delta_channel_history(config=head, channels=[CHANNEL])
+        entry = result[CHANNEL]
+
+        seed = entry.get("seed")
+        assert isinstance(seed, _DeltaSnapshot), f"expected a snapshot, got {seed!r}"
+        assert seed.value == [10, 20]
+        assert [w[2] for w in entry["writes"]] == ["w1", "w2"]
+
+
+@pytest.mark.asyncio
+async def test_version_bump_without_a_value_does_not_hide_an_older_seed() -> None:
+    """A delta-era step bumps `channel_versions` without storing a value, so no
+    blob exists for that version. The probe must report no seed there and keep
+    walking rather than stopping at a version it cannot resolve.
+
+    Step 0 holds the real value; step 1 bumps the version with nothing stored.
+    Walking back from the head has to pass step 1 to reach step 0.
+    """
+    async with AsyncPostgresSaver.from_conn_string(DEFAULT_URI) as saver:
+        await saver.setup()
+        thread_id = str(uuid4())
+        parent: dict | None = None
+        for step in range(4):
+            config: dict = {
+                "configurable": {"thread_id": thread_id, "checkpoint_ns": ""}
+            }
+            if parent is not None:
+                config["configurable"]["checkpoint_id"] = parent["configurable"][
+                    "checkpoint_id"
+                ]
+            cp: Checkpoint = empty_checkpoint()
+            cp["id"] = str(uuid6(clock_seq=step))
+            new_versions: dict[str, Any] = {}
+            if step == 0:
+                cp["channel_values"][CHANNEL] = [10, 20]
+                cp["channel_versions"][CHANNEL] = "v0"
+                new_versions[CHANNEL] = "v0"
+            elif step == 1:
+                # Version bumped, value absent -> no blob row written.
+                cp["channel_versions"][CHANNEL] = "v1"
+                new_versions[CHANNEL] = "v1"
+            else:
+                cp["channel_versions"][CHANNEL] = "v1"
+            parent = await saver.aput(
+                config,
+                cp,
+                {"source": "loop", "step": step, "parents": {}},
+                new_versions,
+            )
+            await saver.aput_writes(parent, [(CHANNEL, f"w{step}")], str(uuid4()))
+        assert parent is not None
+
+        result = await saver.aget_delta_channel_history(
+            config=parent, channels=[CHANNEL]
+        )
+        entry = result[CHANNEL]
+
+        assert entry.get("seed") == [10, 20], (
+            "the walk stopped at the empty blob instead of reaching the real "
+            f"value at step 0; got {entry.get('seed', '<missing>')}"
+        )
+        assert [w[2] for w in entry["writes"]] == ["w0", "w1", "w2"]
+
+
+@pytest.mark.asyncio
+async def test_inline_primitive_seed_is_found() -> None:
+    """`put` keeps `None`, `str`, `int`, `float` and `bool` in the checkpoint's
+    own `channel_values` with no blob row, so a blob probe alone cannot see
+    them. Stage 1 reads the inline value too and uses it when there is no blob.
+    """
+    async with AsyncPostgresSaver.from_conn_string(DEFAULT_URI) as saver:
+        await saver.setup()
+        for seed_value in (42, "x", 3.5, None):
+            _, head = await _build_chain(saver, seed_value)
+            entry = (
+                await saver.aget_delta_channel_history(config=head, channels=[CHANNEL])
+            )[CHANNEL]
+            if seed_value is None:
+                # A JSON null is indistinguishable from "no value stored", so
+                # the walk keeps going; replay from empty is the correct result.
+                assert "seed" not in entry
+            else:
+                assert entry.get("seed") == seed_value, (
+                    f"inline {type(seed_value).__name__} seed not found: "
+                    f"{entry.get('seed', '<missing>')!r}"
+                )
+                assert [w[2] for w in entry["writes"]] == ["w1", "w2"]
+
+
+@pytest.mark.asyncio
+async def test_inline_true_is_not_read_as_a_snapshot_marker() -> None:
+    """`put` inlines a literal `true` in `channel_values` as the marker for a
+    `_DeltaSnapshot`, which is also what a genuine `bool` channel holding
+    `True` looks like. A blob exists only in the snapshot case, so preferring
+    the blob keeps the two apart.
+    """
+    async with AsyncPostgresSaver.from_conn_string(DEFAULT_URI) as saver:
+        await saver.setup()
+
+        _, head = await _build_chain(saver, True)
+        entry = (
+            await saver.aget_delta_channel_history(config=head, channels=[CHANNEL])
+        )[CHANNEL]
+        assert entry.get("seed") is True, (
+            f"a real inline True must survive, got {entry.get('seed', '<missing>')!r}"
+        )
+
+        _, snap_head = await _build_chain(saver, _DeltaSnapshot(True))
+        snap_entry = (
+            await saver.aget_delta_channel_history(config=snap_head, channels=[CHANNEL])
+        )[CHANNEL]
+        seed = snap_entry.get("seed")
+        assert isinstance(seed, _DeltaSnapshot), (
+            f"the marker must resolve to the blob, not inline true; got {seed!r}"
+        )
+        assert seed.value is True

libs/checkpoint-postgres/tests/test_store.py

@@ -20,6 +20,10 @@ from langgraph.store.base import (
 from psycopg import Connection
 
 from langgraph.store.postgres import PostgresStore
+from langgraph.store.postgres.base import (
+    _escape_like_literal,
+    _namespace_match_pattern,
+)
 from tests.conftest import (
     DEFAULT_URI,
     VECTOR_TYPES,
@@ -326,6 +330,127 @@ def test_list_namespaces(store) -> None:
         store.delete(namespace, "dummy")
 
 
+def test_escape_like_literal() -> None:
+    assert _escape_like_literal("users.alice") == "users.alice"
+    assert _escape_like_literal("user_1") == r"user\_1"
+    assert _escape_like_literal("100%") == r"100\%"
+    assert _escape_like_literal("a\\b") == "a\\\\b"
+    assert _escape_like_literal("") == ""
+
+
+def test_namespace_match_pattern() -> None:
+    assert _namespace_match_pattern(("foo",), "prefix") == r"^foo(\.|\Z)"
+    assert _namespace_match_pattern(("uid", "users"), "prefix") == r"^uid\.users(\.|\Z)"
+    assert (
+        _namespace_match_pattern(("uid", "*", "alice"), "prefix")
+        == r"^uid\.[^.]+\.alice(\.|\Z)"
+    )
+    assert _namespace_match_pattern(("alice",), "suffix") == r"(^|\.)alice\Z"
+
+    # Regex metacharacters in a label are quoted, not interpreted.
+    pattern = _namespace_match_pattern(("a.b+c",), "prefix")
+    assert re.match(pattern, "a.b+c.child")
+    assert not re.match(pattern, "axbbbc")
+
+
+def test_search_namespace_segment_boundary(store) -> None:
+    """Prefix scoping must stop at namespace segment boundaries.
+
+    Namespaces are stored dot-joined, so matching the raw text also returns
+    siblings sharing leading characters. Callers isolate tenants by namespace,
+    so prefix-shaped ids (1 vs 12) would cross-read.
+    """
+    for namespace in [
+        ("foo",),
+        ("foo", "child"),
+        ("foo", "child", "deep"),
+        ("foobar",),
+        ("foobar", "baz"),
+        ("foo2",),
+    ]:
+        store.put(namespace, "k", {"v": 1})
+
+    def _namespaces(prefix: tuple[str, ...]) -> set[tuple[str, ...]]:
+        return {item.namespace for item in store.search(prefix, limit=100)}
+
+    assert _namespaces(("foo",)) == {
+        ("foo",),
+        ("foo", "child"),
+        ("foo", "child", "deep"),
+    }
+    # The sibling scope is independent, not merely narrower.
+    assert _namespaces(("foobar",)) == {("foobar",), ("foobar", "baz")}
+    assert _namespaces(("foo", "child")) == {("foo", "child"), ("foo", "child", "deep")}
+    assert _namespaces(("foo2",)) == {("foo2",)}
+    assert _namespaces(("fo",)) == set()
+
+
+def test_search_empty_prefix_is_unconstrained(store) -> None:
+    """An empty prefix constrains nothing and must return every namespace."""
+    for namespace in [("a",), ("b", "c"), ("d", "e", "f")]:
+        store.put(namespace, "k", {"v": 1})
+
+    assert {item.namespace for item in store.search((), limit=100)} == {
+        ("a",),
+        ("b", "c"),
+        ("d", "e", "f"),
+    }
+
+
+def test_search_namespace_like_metacharacters(store) -> None:
+    """`_` and `%` are legal namespace labels, not LIKE wildcards."""
+    for namespace in [
+        ("user_1",),
+        ("user_1", "child"),
+        ("userX1",),
+        ("a%b",),
+        ("axxb",),
+    ]:
+        store.put(namespace, "k", {"v": 1})
+
+    def _namespaces(prefix: tuple[str, ...]) -> set[tuple[str, ...]]:
+        return {item.namespace for item in store.search(prefix, limit=100)}
+
+    # Also asserts the namespace still matches itself, which catches escaping
+    # the equality arm by mistake.
+    assert _namespaces(("user_1",)) == {("user_1",), ("user_1", "child")}
+    assert _namespaces(("a%b",)) == {("a%b",)}
+
+
+def test_list_namespaces_segment_boundary(store) -> None:
+    for namespace in [
+        ("foo",),
+        ("foo", "child"),
+        ("foobar",),
+        ("foobar", "baz"),
+        ("uid", "users", "alice"),
+        ("uid", "users", "malice"),
+        ("uid", "a", "b", "alice"),
+    ]:
+        store.put(namespace, "k", {"v": 1})
+
+    assert set(store.list_namespaces(prefix=["foo"], limit=100)) == {
+        ("foo",),
+        ("foo", "child"),
+    }
+    # Suffix must align to a segment: "malice" does not end with the "alice"
+    # segment.
+    assert set(store.list_namespaces(suffix=["alice"], limit=100)) == {
+        ("uid", "users", "alice"),
+        ("uid", "a", "b", "alice"),
+    }
+    # "*" spans exactly one segment.
+    assert set(store.list_namespaces(prefix=["uid", "*", "alice"], limit=100)) == {
+        ("uid", "users", "alice"),
+    }
+    # Prefix matching stays open-ended across depth.
+    assert set(store.list_namespaces(prefix=["uid"], limit=100)) == {
+        ("uid", "users", "alice"),
+        ("uid", "users", "malice"),
+        ("uid", "a", "b", "alice"),
+    }
+
+
 def test_search(store) -> None:
     # Create test data
     test_data = [
@@ -863,6 +988,133 @@ def test_store_ttl(store):
     assert len(res) == 0
 
 
+def _expire_now(store: PostgresStore, ns: tuple[str, ...], key: str) -> None:
+    """Backdate a row's expires_at into the past without deleting it (unswept)."""
+    with store._cursor() as cur:
+        cur.execute(
+            "UPDATE store SET expires_at = NOW() - INTERVAL '1 minute' "
+            "WHERE prefix = %s AND key = %s",
+            (".".join(ns), key),
+        )
+
+
+def _row_exists(store: PostgresStore, ns: tuple[str, ...], key: str) -> bool:
+    with store._cursor() as cur:
+        cur.execute(
+            "SELECT COUNT(*) AS n FROM store WHERE prefix = %s AND key = %s",
+            (".".join(ns), key),
+        )
+        return cur.fetchone()["n"] == 1
+
+
+def _stored_expires_at(store: PostgresStore, ns: tuple[str, ...], key: str):
+    with store._cursor() as cur:
+        cur.execute(
+            "SELECT expires_at FROM store WHERE prefix = %s AND key = %s",
+            (".".join(ns), key),
+        )
+        return cur.fetchone()["expires_at"]
+
+
+def test_omit_expired_filters_read_paths(store: PostgresStore) -> None:
+    store.stop_ttl_sweeper()  # deterministic: no background deletion
+    store.ttl_config["omit_expired"] = True
+
+    expired_ns = ("omit", "expired")
+    control_ns = ("omit", "control")
+    store.put(expired_ns, "e", {"data": "gone"}, ttl=TTL_MINUTES)
+    store.put(control_ns, "c", {"data": "keep"}, ttl=None)
+    _expire_now(store, expired_ns, "e")
+
+    # The row is expired but physically still present (unswept).
+    assert _row_exists(store, expired_ns, "e")
+
+    # get omits it; the never-expiring control is still returned.
+    assert store.get(expired_ns, "e") is None
+    assert store.get(control_ns, "c") is not None
+
+    # search omits it but returns the control.
+    assert store.search(expired_ns) == []
+    assert [i.key for i in store.search(control_ns)] == ["c"]
+
+    # list_namespaces drops the expired-only namespace, keeps the control.
+    namespaces = store.list_namespaces(prefix=("omit",))
+    assert expired_ns not in namespaces
+    assert control_ns in namespaces
+
+
+@pytest.mark.parametrize("omit", [None, False], ids=["default", "explicit-false"])
+def test_omit_expired_disabled_preserves_expired_rows(
+    store: PostgresStore, omit
+) -> None:
+    store.stop_ttl_sweeper()
+    if omit is not None:
+        store.ttl_config["omit_expired"] = omit
+
+    ns = ("keep",)
+    store.put(ns, "k", {"data": "still-here"}, ttl=TTL_MINUTES)
+    _expire_now(store, ns, "k")
+
+    assert store.get(ns, "k", refresh_ttl=False) is not None
+    assert [i.key for i in store.search(ns, refresh_ttl=False)] == ["k"]
+    assert ns in store.list_namespaces(prefix=("keep",))
+
+
+def test_omit_expired_refresh_ttl_only_refreshes_live_rows(
+    store: PostgresStore,
+) -> None:
+    store.stop_ttl_sweeper()
+    store.ttl_config["omit_expired"] = True
+
+    ns = ("refresh",)
+    store.put(ns, "expired", {"n": 0}, ttl=TTL_MINUTES)
+    store.put(ns, "live_get", {"n": 1}, ttl=TTL_MINUTES)
+    store.put(ns, "live_search", {"n": 2}, ttl=TTL_MINUTES)
+    _expire_now(store, ns, "expired")
+
+    expired_before = _stored_expires_at(store, ns, "expired")
+    get_before = _stored_expires_at(store, ns, "live_get")
+    search_before = _stored_expires_at(store, ns, "live_search")
+
+    # refresh_ttl=True must NOT resurrect the expired row (via get or search)...
+    assert store.get(ns, "expired", refresh_ttl=True) is None
+    assert "expired" not in [i.key for i in store.search(ns, refresh_ttl=True)]
+    assert _stored_expires_at(store, ns, "expired") == expired_before
+
+    # ...but must still extend the live rows that were read.
+    assert store.get(ns, "live_get", refresh_ttl=True) is not None
+    assert _stored_expires_at(store, ns, "live_get") > get_before
+    assert _stored_expires_at(store, ns, "live_search") > search_before
+
+
+def test_omit_expired_search_pagination(store: PostgresStore) -> None:
+    store.stop_ttl_sweeper()
+    store.ttl_config["omit_expired"] = True
+
+    ns = ("page",)
+    for k in ("a", "b", "c"):
+        store.put(ns, k, {"k": k}, ttl=TTL_MINUTES)
+    store.put(ns, "expired", {"k": "x"}, ttl=TTL_MINUTES)
+    _expire_now(store, ns, "expired")
+
+    seconds_ago = {"a": 1, "expired": 2, "b": 3, "c": 4}
+    # updated_at DESC orders these a, expired, b, c, so the expired row sits inside
+    # the first limit=2 window. Correct (pre-LIMIT) filtering yields live pages
+    # [a, b] then [c]; post-LIMIT filtering would underfill page 1 to just [a].
+    with store._cursor() as cur:
+        for key, secs in seconds_ago.items():
+            cur.execute(
+                "UPDATE store SET updated_at = NOW() - (%s * INTERVAL '1 second') "
+                "WHERE prefix = %s AND key = %s",
+                (secs, ".".join(ns), key),
+            )
+
+    page1 = store.search(ns, limit=2, offset=0)
+    page2 = store.search(ns, limit=2, offset=2)
+    assert [i.key for i in page1] == ["a", "b"]
+    assert [i.key for i in page2] == ["c"]
+
+
 @pytest.mark.parametrize(
     "vector_type,distance_type",
     [
@@ -899,3 +1151,16 @@ def test_non_ascii(
         assert result3[0].key == "3"
         assert result4[0].key == "4"
         assert result5[0].key == "5"
+
+
+def test_namespace_labels_with_trailing_newline(store) -> None:
+    """Labels may contain newlines, and must not match a differently-named label."""
+    store.put(("users", "alice"), "k", {"v": 1})
+    store.put(("users", "alice\n"), "k", {"v": 2})
+
+    assert set(store.list_namespaces(suffix=["alice"], limit=100)) == {
+        ("users", "alice"),
+    }
+    assert set(store.list_namespaces(prefix=["users", "alice"], limit=100)) == {
+        ("users", "alice"),
+    }

libs/checkpoint-postgres/uv.lock

@@ -17,16 +17,16 @@ wheels = [
 
 [[package]]
 name = "anyio"
-version = "4.14.1"
+version = "4.14.2"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
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     { name = "idna" },
     { name = "typing-extensions", marker = "python_full_version < '3.13'" },
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+sdist = { url = "https://files.pythonhosted.org/packages/61/cc/a381afa6efea9f496eff839d4a6a1aed3bfafc7b3ab4b0d1b243a12573dd/anyio-4.14.2.tar.gz", hash = "sha256:cfa139f3ed1a23ee8f88a145ddb5ac7605b8bbfd8592baacd7ce3d8bb4313c7f", size = 260176, upload-time = "2026-07-12T20:29:07.082Z" }
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+    { url = "https://files.pythonhosted.org/packages/da/35/f2287558c17e29fafc8ef3daf819bb9834061cfa43bff8014f7df7f63bdc/anyio-4.14.2-py3-none-any.whl", hash = "sha256:9f505dda5ac9f0c8309b5e8bd445a8c2bf7246f3ce950121e45ea15bc41d1494", size = 125813, upload-time = "2026-07-12T20:29:05.763Z" },
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 [[package]]
@@ -138,11 +138,11 @@ wheels = [
 
 [[package]]
 name = "codespell"
-version = "2.4.2"
+version = "2.4.3"
 source = { registry = "https://pypi.org/simple" }
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+sdist = { url = "https://files.pythonhosted.org/packages/80/19/45e941380f69c042b43423513d201e6592346f992394347f5e7174c31407/codespell-2.4.3.tar.gz", hash = "sha256:cbe085e331227b37bb86ef8bddd08dc768c704ee9a07ca869852c093fa2793e2", size = 352773, upload-time = "2026-07-15T11:51:54.159Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/8b/bf/bdb951d34eb169140b546f44be9ec4525d1acefb9eb5572071f5492b19fc/codespell-2.4.3-py3-none-any.whl", hash = "sha256:af2505b335e8573dbd2d384d1c4ef498f4006f4ba2d6fceca01e55b91f52628a", size = 340736, upload-time = "2026-07-15T11:51:52.925Z" },
 ]
 
 [[package]]
@@ -159,7 +159,7 @@ name = "exceptiongroup"
 version = "1.3.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "typing-extensions", marker = "python_full_version < '3.13'" },
+    { name = "typing-extensions" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/50/79/66800aadf48771f6b62f7eb014e352e5d06856655206165d775e675a02c9/exceptiongroup-1.3.1.tar.gz", hash = "sha256:8b412432c6055b0b7d14c310000ae93352ed6754f70fa8f7c34141f91c4e3219", size = 30371, upload-time = "2025-11-21T23:01:54.787Z" }
 wheels = [
@@ -244,7 +244,7 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "1.4.8"
+version = "1.5.2"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "jsonpatch" },
@@ -257,9 +257,9 @@ dependencies = [
     { name = "typing-extensions" },
     { name = "uuid-utils" },
 ]
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+sdist = { url = "https://files.pythonhosted.org/packages/6e/58/3ad53096eee1e07728e8219ded30ae308b0f2b8b7b26b8ebb6371917c0f5/langchain_core-1.5.2.tar.gz", hash = "sha256:2d13ab35b42eec63d4669a483776b8cdd778ee764107149369fb369d84c08c41", size = 972322, upload-time = "2026-07-28T16:38:37.977Z" }
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+    { url = "https://files.pythonhosted.org/packages/ca/e4/024e402a65f5ee2eb6ae9667b5ffc5f08776cb4e712f5a11ee1997d56083/langchain_core-1.5.2-py3-none-any.whl", hash = "sha256:a687dd7c3b22c6c1294e1c1eeb61fb6f3a308e6015a1d75b576b3836ad5b5aed", size = 561643, upload-time = "2026-07-28T16:38:36.38Z" },
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 [[package]]
@@ -276,7 +276,7 @@ wheels = [
 
 [[package]]
 name = "langgraph-checkpoint"
-version = "4.1.1"
+version = "4.2.0"
 source = { editable = "../checkpoint" }
 dependencies = [
     { name = "langchain-core" },
@@ -322,9 +322,36 @@ test = [
     { name = "redis" },
 ]
 
+[[package]]
+name = "langgraph-checkpoint-conformance"
+version = "0.0.2"
+source = { editable = "../checkpoint-conformance" }
+dependencies = [
+    { name = "langgraph-checkpoint" },
+]
+
+[package.metadata]
+requires-dist = [{ name = "langgraph-checkpoint", editable = "../checkpoint" }]
+
+[package.metadata.requires-dev]
+dev = [
+    { name = "pytest" },
+    { name = "pytest-asyncio" },
+    { name = "ruff" },
+    { name = "ty" },
+]
+lint = [
+    { name = "ruff" },
+    { name = "ty" },
+]
+test = [
+    { name = "pytest" },
+    { name = "pytest-asyncio" },
+]
+
 [[package]]
 name = "langgraph-checkpoint-postgres"
-version = "3.1.0"
+version = "3.1.2"
 source = { editable = "." }
 dependencies = [
     { name = "langgraph-checkpoint" },
@@ -338,6 +365,7 @@ dev = [
     { name = "anyio" },
     { name = "codespell" },
     { name = "langgraph-checkpoint" },
+    { name = "langgraph-checkpoint-conformance" },
     { name = "psycopg", extra = ["binary"] },
     { name = "pytest" },
     { name = "pytest-asyncio" },
@@ -354,6 +382,7 @@ lint = [
 test = [
     { name = "anyio" },
     { name = "langgraph-checkpoint" },
+    { name = "langgraph-checkpoint-conformance" },
     { name = "psycopg", extra = ["binary"] },
     { name = "pytest" },
     { name = "pytest-asyncio" },
@@ -374,6 +403,7 @@ dev = [
     { name = "anyio" },
     { name = "codespell" },
     { name = "langgraph-checkpoint", editable = "../checkpoint" },
+    { name = "langgraph-checkpoint-conformance", editable = "../checkpoint-conformance" },
     { name = "psycopg", extras = ["binary"] },
     { name = "pytest" },
     { name = "pytest-asyncio" },
@@ -390,6 +420,7 @@ lint = [
 test = [
     { name = "anyio" },
     { name = "langgraph-checkpoint", editable = "../checkpoint" },
+    { name = "langgraph-checkpoint-conformance", editable = "../checkpoint-conformance" },
     { name = "psycopg", extras = ["binary"] },
     { name = "pytest" },
     { name = "pytest-asyncio" },
@@ -957,27 +988,27 @@ wheels = [
 
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 ]
 
 [[package]]

libs/checkpoint-sqlite/langgraph/checkpoint/sqlite/__init__.py

@@ -77,7 +77,7 @@ class SqliteSaver(BaseCheckpointSaver[str]):
         >>> result = graph.invoke(3, config)
         >>> graph.get_state(config)
         StateSnapshot(values=4, next=(), config={'configurable': {'thread_id': '1', 'checkpoint_ns': '', 'checkpoint_id': '0c62ca34-ac19-445d-bbb0-5b4984975b2a'}}, parent_config=None)
-    """  # noqa
+    """
 
     conn: sqlite3.Connection
     is_setup: bool
@@ -222,7 +222,7 @@ class SqliteSaver(BaseCheckpointSaver[str]):
             >>> checkpoint_tuple = memory.get_tuple(config)
             >>> print(checkpoint_tuple)
             CheckpointTuple(...)
-        """  # noqa
+        """
         checkpoint_ns = config["configurable"].get("checkpoint_ns", "")
         with self.cursor(transaction=False) as cur:
             # find the latest checkpoint for the thread_id

libs/checkpoint-sqlite/langgraph/checkpoint/sqlite/aio.py

@@ -212,7 +212,7 @@ class AsyncSqliteSaver(BaseCheckpointSaver[str]):
         while True:
             try:
                 yield asyncio.run_coroutine_threadsafe(
-                    anext(aiter_),  # type: ignore[arg-type]  # noqa: F821
+                    anext(aiter_),  # type: ignore[arg-type]
                     self.loop,
                 ).result()
             except StopAsyncIteration:

libs/checkpoint-sqlite/langgraph/store/sqlite/aio.py

@@ -24,11 +24,13 @@ from langgraph.store.base.batch import AsyncBatchedBaseStore
 
 from langgraph.store.sqlite.base import (
     _PLACEHOLDER,
+    NS_MATCH_FUNCTION,
     BaseSqliteStore,
     SqliteIndexConfig,
     _decode_ns_text,
     _ensure_index_config,
     _group_ops,
+    _namespace_match,
     _row_to_item,
     _row_to_search_item,
 )
@@ -150,6 +152,13 @@ class AsyncSqliteStore(AsyncBatchedBaseStore, BaseSqliteStore):
             if self.is_setup:
                 return
 
+            # list_namespaces needs segment-aware matching, which SQLite cannot
+            # express in LIKE or GLOB. Registered here rather than in __init__
+            # because aiosqlite's create_function is a coroutine.
+            await self.conn.create_function(
+                NS_MATCH_FUNCTION, 2, _namespace_match, deterministic=True
+            )
+
             # Create migrations table if it doesn't exist
             await self.conn.execute(
                 """

libs/checkpoint-sqlite/langgraph/store/sqlite/base.py

@@ -93,12 +93,74 @@ class SqliteIndexConfig(IndexConfig):
     pass
 
 
-def _namespace_to_text(
-    namespace: tuple[str, ...], handle_wildcards: bool = False
-) -> str:
+NS_MATCH_FUNCTION = "_langgraph_namespace_match"
+"""SQLite user function backing segment-aware namespace matching.
+
+Registered under a private name rather than overriding `REGEXP`, so a caller's
+own `REGEXP` is left untouched.
+"""
+
+
+def _namespace_match(prefix: str | None, pattern: str) -> int:
+    """Backing implementation of `NS_MATCH_FUNCTION`."""
+    if prefix is None:
+        return 0
+    return 1 if re.search(pattern, prefix) else 0
+
+
+def _escape_glob_literal(text: str) -> str:
+    """Escape GLOB metacharacters so `text` is matched literally.
+
+    GLOB has no `ESCAPE` clause, so metacharacters are wrapped in a character
+    class instead. `]` is literal outside a class and needs no escaping.
+    """
+    return text.replace("[", "[[]").replace("*", "[*]").replace("?", "[?]")
+
+
+def _namespace_prefix_condition(
+    namespace_prefix: tuple[str, ...], column: str = "prefix"
+) -> tuple[str, tuple[str, ...]]:
+    """Build the SQL scoping a search to a namespace and its descendants.
+
+    Matches the namespace exactly or requires the `.` separator before any
+    remainder, so a prefix of `("foo",)` does not also match `("foobar",)`.
+
+    Uses GLOB rather than LIKE because SQLite's LIKE is case-insensitive for
+    ASCII, which would match `("FOO",)` for a prefix of `("foo",)` even though
+    `get`/`put`/`delete` compare with `=` and treat those as distinct.
+
+    An empty prefix is unconstrained and matches every namespace.
+    """
+    if not namespace_prefix:
+        return "TRUE", ()
+    path = _namespace_to_text(namespace_prefix)
+    condition = f"({column} = ? OR {column} GLOB ?)"
+    return condition, (path, f"{_escape_glob_literal(path)}.*")
+
+
+def _namespace_match_pattern(path: tuple[str, ...], match_type: str) -> str:
+    """Build a regex matching the dot-joined prefix on whole namespace segments.
+
+    Needed because neither LIKE nor GLOB can express "any character except the
+    separator": GLOB has character classes but no quantifier, so `[^.]*` still
+    crosses `.`. Matches how `InMemoryStore` compares namespaces element-wise.
+
+    `*` matches exactly one segment. Prefix matches stay open-ended but must end
+    on a separator; suffix matches anchor at the end and begin on one.
+
+    Examples:
+        prefix ("uid", "*", "alice") -> ^uid\\.[^.]+\\.alice(\\.|\\Z)
+        suffix ("alice",)            -> (^|\\.)alice\\Z
+    """
+    segments = ("[^.]+" if part == "*" else re.escape(part) for part in path)
+    body = r"\.".join(segments)
+    if match_type == "suffix":
+        return rf"(^|\.){body}\Z"
+    return rf"^{body}(\.|\Z)"
+
+
+def _namespace_to_text(namespace: tuple[str, ...]) -> str:
     """Convert namespace tuple to text string."""
-    if handle_wildcards:
-        namespace = tuple("%" if val == "*" else val for val in namespace)
     return ".".join(namespace)
 
 
@@ -461,8 +523,11 @@ class BaseSqliteStore:
                     else " AND " + " AND ".join(filter_conditions)
                 )
                 if op.namespace_prefix:
-                    prefix_filter_str = f"WHERE s.prefix LIKE ? {filter_str} "
-                    ns_args: Sequence = (f"{_namespace_to_text(op.namespace_prefix)}%",)
+                    ns_condition, ns_args_tuple = _namespace_prefix_condition(
+                        op.namespace_prefix, column="s.prefix"
+                    )
+                    prefix_filter_str = f"WHERE {ns_condition} {filter_str} "
+                    ns_args: Sequence = ns_args_tuple
                 else:
                     ns_args = ()
                     if filter_str:
@@ -503,12 +568,15 @@ class BaseSqliteStore:
                 ]
             # Regular search branch (no vector search)
             else:
-                base_query = """
+                ns_condition, ns_args_tuple = _namespace_prefix_condition(
+                    op.namespace_prefix
+                )
+                base_query = f"""
                     SELECT prefix, key, value, created_at, updated_at, expires_at, ttl_minutes, NULL as score
                     FROM store
-                    WHERE prefix LIKE ?
+                    WHERE {ns_condition}
                 """
-                params = [f"{_namespace_to_text(op.namespace_prefix)}%"]
+                params = list(ns_args_tuple)
 
                 if filter_conditions:
                     params.extend(filter_params)
@@ -549,16 +617,28 @@ class BaseSqliteStore:
 
             if op.match_conditions:
                 for cond in op.match_conditions:
-                    if cond.match_type == "prefix":
-                        where_clauses.append("prefix LIKE ?")
-                        params.append(
-                            f"{_namespace_to_text(cond.path, handle_wildcards=True)}%"
-                        )
-                    elif cond.match_type == "suffix":
-                        where_clauses.append("prefix LIKE ?")
-                        params.append(
-                            f"%{_namespace_to_text(cond.path, handle_wildcards=True)}"
-                        )
+                    if cond.match_type in ("prefix", "suffix"):
+                        if not cond.path:
+                            # An empty path constrains nothing; skipping keeps it a
+                            # no-op rather than emitting a pattern that matches no
+                            # namespace at all.
+                            continue
+                        if cond.match_type == "prefix" and "*" not in cond.path:
+                            # Equivalent to the anchored pattern, but SQLite can
+                            # satisfy `=` and a trailing-wildcard GLOB from
+                            # store_prefix_idx. The user function is opaque to the
+                            # planner, so it would scan every row and call back
+                            # into Python for each one.
+                            condition, args = _namespace_prefix_condition(
+                                tuple(cond.path)
+                            )
+                            where_clauses.append(condition)
+                            params.extend(args)
+                        else:
+                            where_clauses.append(f"{NS_MATCH_FUNCTION}(prefix, ?) = 1")
+                            params.append(
+                                _namespace_match_pattern(cond.path, cond.match_type)
+                            )
                     else:
                         logger.warning(
                             "Unknown match_type in list_namespaces: %s", cond.match_type
@@ -785,6 +865,9 @@ class SqliteStore(BaseSqliteStore, BaseStore):
         super().__init__()
         self._deserializer = deserializer
         self.conn = conn
+        # Registered here rather than in from_conn_string so a caller-supplied
+        # connection also gets it.
+        conn.create_function(NS_MATCH_FUNCTION, 2, _namespace_match, deterministic=True)
         self.lock = threading.Lock()
         self.is_setup = False
         self.index_config = index

libs/checkpoint-sqlite/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "langgraph-checkpoint-sqlite"
-version = "3.1.0"
+version = "3.1.1"
 description = "Library with a SQLite implementation of LangGraph checkpoint saver."
 authors = []
 requires-python = ">=3.10"
@@ -30,6 +30,7 @@ test = [
   "pytest-mock",
   "pytest-watcher",
   "langgraph-checkpoint",
+  "langgraph-checkpoint-conformance",
   "pytest-retry>=1.7.0",
 ]
 lint = [
@@ -47,6 +48,7 @@ default-groups = ['dev']
 
 [tool.uv.sources]
 langgraph-checkpoint = { path = "../checkpoint", editable = true }
+langgraph-checkpoint-conformance = { path = "../checkpoint-conformance", editable = true }
 
 [tool.hatch.build.targets.wheel]
 include = ["langgraph"]
@@ -62,6 +64,8 @@ lint.select = [
   "UP", # pyupgrade
   "B",  # flake8-bugbear
   "I",  # isort
+  "PLC0415",  # import-outside-top-level
+  "RUF100",  # unused noqa directive
   "UP", # pyupgrade
 ]
 lint.ignore = ["E501", "B008"]

libs/checkpoint-sqlite/tests/test_async_store.py

@@ -716,3 +716,32 @@ async def test_search_items(
         for ns in test_namespaces:
             key = f"item_{ns[-1]}"
             await store.adelete(ns, key)
+
+
+async def test_async_namespace_segment_boundary(store: AsyncSqliteStore) -> None:
+    """Segment-aware scoping on the async path.
+
+    Also covers that the namespace-match SQLite function is registered on the
+    async connection -- aiosqlite's create_function is a coroutine, so it is
+    registered in setup() rather than __init__.
+    """
+    for namespace in [
+        ("foo",),
+        ("foo", "child"),
+        ("foobar",),
+        ("uid", "users", "alice"),
+        ("uid", "users", "malice"),
+        ("user_1",),
+        ("userX1",),
+    ]:
+        await store.aput(namespace, "k", {"v": 1})
+
+    found = {item.namespace for item in await store.asearch(("foo",), limit=100)}
+    assert found == {("foo",), ("foo", "child")}
+
+    found = {item.namespace for item in await store.asearch(("user_1",), limit=100)}
+    assert found == {("user_1",)}
+
+    assert set(await store.alist_namespaces(suffix=["alice"], limit=100)) == {
+        ("uid", "users", "alice"),
+    }

libs/checkpoint-sqlite/tests/test_conformance_delta.py

@@ -3,21 +3,14 @@
 from __future__ import annotations
 
 import pytest
+from langgraph.checkpoint.conformance import validate
+from langgraph.checkpoint.conformance.initializer import checkpointer_test
 
-pytest.importorskip(
-    "langgraph.checkpoint.conformance",
-    reason="langgraph-checkpoint-conformance not installed",
-)
-pytest.importorskip("aiosqlite", reason="aiosqlite not installed")
+from langgraph.checkpoint.sqlite.aio import AsyncSqliteSaver
 
 
 @pytest.mark.asyncio
 async def test_delta_channel_conformance():
-    from langgraph.checkpoint.conformance import validate
-    from langgraph.checkpoint.conformance.initializer import checkpointer_test
-
-    from langgraph.checkpoint.sqlite.aio import AsyncSqliteSaver
-
     @checkpointer_test(name="AsyncSqliteSaver")
     async def sqlite_saver():
         async with AsyncSqliteSaver.from_conn_string(":memory:") as saver:

libs/checkpoint-sqlite/tests/test_delta_channel_migration.py

@@ -29,13 +29,13 @@ pytest.importorskip("langgraph.channels.delta", reason="langgraph core not insta
 pytest.importorskip("langgraph.channels.binop", reason="langgraph core not installed")
 pytest.importorskip("langgraph.graph", reason="langgraph core not installed")
 
-from langgraph.channels.binop import BinaryOperatorAggregate  # type: ignore[import-untyped]  # noqa: E402,I001
-from langgraph.channels.delta import DeltaChannel  # type: ignore[import-untyped]  # noqa: E402
-from langgraph.graph import END, START, StateGraph  # type: ignore[import-untyped]  # noqa: E402
-from typing_extensions import TypedDict  # noqa: E402
+from langgraph.channels.binop import BinaryOperatorAggregate  # type: ignore[import-untyped]  # noqa: I001
+from langgraph.channels.delta import DeltaChannel  # type: ignore[import-untyped]
+from langgraph.graph import END, START, StateGraph  # type: ignore[import-untyped]
+from typing_extensions import TypedDict
 
-from langgraph.checkpoint.sqlite import SqliteSaver  # noqa: E402
-from langgraph.checkpoint.sqlite.aio import AsyncSqliteSaver  # noqa: E402
+from langgraph.checkpoint.sqlite import SqliteSaver
+from langgraph.checkpoint.sqlite.aio import AsyncSqliteSaver
 
 pytestmark = pytest.mark.anyio
 

libs/checkpoint-sqlite/tests/test_get_delta_channel_history.py

@@ -32,13 +32,13 @@ from langchain_core.runnables import RunnableConfig
 pytest.importorskip("langgraph.channels.delta", reason="langgraph core not installed")
 pytest.importorskip("langgraph.graph", reason="langgraph core not installed")
 
-from langgraph.channels.delta import DeltaChannel  # type: ignore[import-untyped]  # noqa: E402,I001
-from langgraph.checkpoint.serde.types import _DeltaSnapshot  # noqa: E402
-from langgraph.graph import END, START, StateGraph  # type: ignore[import-untyped]  # noqa: E402
-from typing_extensions import TypedDict  # noqa: E402
+from langgraph.channels.delta import DeltaChannel  # type: ignore[import-untyped]  # noqa: I001
+from langgraph.checkpoint.serde.types import _DeltaSnapshot
+from langgraph.graph import END, START, StateGraph  # type: ignore[import-untyped]
+from typing_extensions import TypedDict
 
-from langgraph.checkpoint.sqlite import SqliteSaver  # noqa: E402
-from langgraph.checkpoint.sqlite.aio import AsyncSqliteSaver  # noqa: E402
+from langgraph.checkpoint.sqlite import SqliteSaver
+from langgraph.checkpoint.sqlite.aio import AsyncSqliteSaver
 
 pytestmark = pytest.mark.anyio
 

libs/checkpoint-sqlite/tests/test_store.py

@@ -1,7 +1,11 @@
+import math
 import os
+import random
 import re
 import tempfile
+import time
 import uuid
+from collections import Counter, defaultdict
 from collections.abc import Generator, Iterable
 from contextlib import contextmanager
 from typing import Any, Literal, cast
@@ -18,7 +22,13 @@ from langgraph.store.base import (
 )
 
 from langgraph.store.sqlite import SqliteStore
-from langgraph.store.sqlite.base import SqliteIndexConfig
+from langgraph.store.sqlite.base import (
+    NS_MATCH_FUNCTION,
+    BaseSqliteStore,
+    SqliteIndexConfig,
+    _escape_glob_literal,
+    _namespace_match_pattern,
+)
 
 
 # Local embeddings implementation for testing vector search
@@ -27,10 +37,6 @@ class CharacterEmbeddings(Embeddings):
 
     def __init__(self, dims: int = 50, seed: int = 42):
         """Initialize with embedding dimensions and random seed."""
-        import math
-        import random
-        from collections import defaultdict
-
         self._rng = random.Random(seed)
         self.dims = dims
         # Create projection vector for each character lazily
@@ -42,9 +48,6 @@ class CharacterEmbeddings(Embeddings):
 
     def _embed_one(self, text: str) -> list[float]:
         """Embed a single text."""
-        import math
-        from collections import Counter
-
         counts = Counter(text)
         total = sum(counts.values())
 
@@ -332,8 +335,6 @@ class TestSqliteStore:
 
             # Test update
             # Small delay to ensure the updated timestamp is different
-            import time
-
             time.sleep(0.01)
 
             updated_value = {"title": "Updated Document", "content": "Hello, Updated!"}
@@ -1229,3 +1230,208 @@ def test_non_ascii(
         assert result3[0].key == "3"
         assert result4[0].key == "4"
         assert result5[0].key == "5"
+
+
+def test_escape_glob_literal() -> None:
+    assert _escape_glob_literal("users.alice") == "users.alice"
+    # "_" and "%" are LIKE wildcards but literal in GLOB, so they are left alone.
+    assert _escape_glob_literal("user_1") == "user_1"
+    assert _escape_glob_literal("100%") == "100%"
+    assert _escape_glob_literal("a*b") == "a[*]b"
+    assert _escape_glob_literal("a?b") == "a[?]b"
+    assert _escape_glob_literal("a[b") == "a[[]b"
+
+
+def test_namespace_match_pattern() -> None:
+    assert _namespace_match_pattern(("foo",), "prefix") == r"^foo(\.|\Z)"
+    assert (
+        _namespace_match_pattern(("uid", "*", "alice"), "prefix")
+        == r"^uid\.[^.]+\.alice(\.|\Z)"
+    )
+    assert _namespace_match_pattern(("alice",), "suffix") == r"(^|\.)alice\Z"
+
+
+def test_search_namespace_segment_boundary(store: SqliteStore) -> None:
+    """Prefix scoping must stop at namespace segment boundaries.
+
+    Namespaces are stored dot-joined, so matching the raw text also returns
+    siblings sharing leading characters.
+    """
+    for namespace in [
+        ("foo",),
+        ("foo", "child"),
+        ("foo", "child", "deep"),
+        ("foobar",),
+        ("foobar", "baz"),
+        ("foo2",),
+    ]:
+        store.put(namespace, "k", {"v": 1})
+
+    def _namespaces(prefix: tuple[str, ...]) -> set[tuple[str, ...]]:
+        return {item.namespace for item in store.search(prefix, limit=100)}
+
+    assert _namespaces(("foo",)) == {
+        ("foo",),
+        ("foo", "child"),
+        ("foo", "child", "deep"),
+    }
+    # The sibling scope is independent, not merely narrower.
+    assert _namespaces(("foobar",)) == {("foobar",), ("foobar", "baz")}
+    assert _namespaces(("foo2",)) == {("foo2",)}
+    assert _namespaces(("fo",)) == set()
+
+
+def test_search_namespace_wildcard_chars_are_literal(store: SqliteStore) -> None:
+    """LIKE and GLOB metacharacters in labels must be matched literally."""
+    for namespace in [
+        ("user_1",),
+        ("user_1", "child"),
+        ("userX1",),
+        ("a%b",),
+        ("axxb",),
+        ("star*",),
+        ("starX",),
+    ]:
+        store.put(namespace, "k", {"v": 1})
+
+    def _namespaces(prefix: tuple[str, ...]) -> set[tuple[str, ...]]:
+        return {item.namespace for item in store.search(prefix, limit=100)}
+
+    # Also asserts each namespace still matches itself, which catches escaping
+    # the equality arm by mistake.
+    assert _namespaces(("user_1",)) == {("user_1",), ("user_1", "child")}
+    assert _namespaces(("a%b",)) == {("a%b",)}
+    assert _namespaces(("star*",)) == {("star*",)}
+
+
+def test_search_namespace_is_case_sensitive(store: SqliteStore) -> None:
+    """Search must agree with get/put, which compare namespaces with `=`.
+
+    SQLite's LIKE is case-insensitive for ASCII, so matching with it conflated
+    namespaces that every other operation treats as distinct.
+    """
+    store.put(("Foo",), "k", {"v": "upper"})
+    store.put(("foo",), "k", {"v": "lower"})
+
+    assert {item.namespace for item in store.search(("foo",), limit=100)} == {("foo",)}
+    assert {item.namespace for item in store.search(("Foo",), limit=100)} == {("Foo",)}
+
+
+def test_list_namespaces_segment_boundary(store: SqliteStore) -> None:
+    for namespace in [
+        ("foo",),
+        ("foo", "child"),
+        ("foobar",),
+        ("foobar", "baz"),
+        ("uid", "users", "alice"),
+        ("uid", "users", "malice"),
+        ("uid", "a", "b", "alice"),
+    ]:
+        store.put(namespace, "k", {"v": 1})
+
+    assert set(store.list_namespaces(prefix=["foo"], limit=100)) == {
+        ("foo",),
+        ("foo", "child"),
+    }
+    # Suffix must align to a segment: "malice" does not end with the "alice"
+    # segment.
+    assert set(store.list_namespaces(suffix=["alice"], limit=100)) == {
+        ("uid", "users", "alice"),
+        ("uid", "a", "b", "alice"),
+    }
+    # "*" spans exactly one segment.
+    assert set(store.list_namespaces(prefix=["uid", "*", "alice"], limit=100)) == {
+        ("uid", "users", "alice"),
+    }
+    # Prefix matching stays open-ended across depth.
+    assert set(store.list_namespaces(prefix=["uid"], limit=100)) == {
+        ("uid", "users", "alice"),
+        ("uid", "users", "malice"),
+        ("uid", "a", "b", "alice"),
+    }
+
+
+def test_search_empty_prefix_is_unconstrained(store: SqliteStore) -> None:
+    """An empty prefix constrains nothing and must return every namespace."""
+    for namespace in [("a",), ("b", "c"), ("d", "e", "f")]:
+        store.put(namespace, "k", {"v": 1})
+
+    assert {item.namespace for item in store.search((), limit=100)} == {
+        ("a",),
+        ("b", "c"),
+        ("d", "e", "f"),
+    }
+
+
+def test_namespace_labels_with_trailing_newline(store: SqliteStore) -> None:
+    """Labels may contain newlines, and must not match a differently-named label.
+
+    Python's `$` also matches just before a trailing newline, so the patterns use
+    `\\Z` to anchor at the true end of the string.
+    """
+    store.put(("users", "alice"), "k", {"v": 1})
+    store.put(("users", "alice\n"), "k", {"v": 2})
+
+    assert set(store.list_namespaces(suffix=["alice"], limit=100)) == {
+        ("users", "alice"),
+    }
+    assert set(store.list_namespaces(prefix=["users", "alice"], limit=100)) == {
+        ("users", "alice"),
+    }
+
+
+def test_list_namespaces_prefix_uses_indexable_condition() -> None:
+    """Plain prefixes must use the indexable condition, not the match function.
+
+    A user function is opaque to the query planner, so it scans every row and
+    calls back into Python for each one. Only suffix and wildcard paths, which
+    no SQLite operator can express, need it.
+    """
+    store = BaseSqliteStore()
+
+    def where(match_type: str, path: tuple[str, ...]) -> str:
+        op = ListNamespacesOp(
+            match_conditions=(MatchCondition(match_type=match_type, path=path),),
+            max_depth=None,
+            limit=10,
+            offset=0,
+        )
+        query, _ = store._get_batch_list_namespaces_queries([(0, op)])[0]
+        return " ".join(query.split())
+
+    assert "GLOB" in where("prefix", ("uid", "users"))
+    assert NS_MATCH_FUNCTION not in where("prefix", ("uid", "users"))
+    # A label that merely contains "*" is not the wildcard.
+    assert "GLOB" in where("prefix", ("star*",))
+    # Wildcard and suffix cannot be expressed by GLOB, so they keep the function.
+    assert NS_MATCH_FUNCTION in where("prefix", ("uid", "*", "alice"))
+    assert NS_MATCH_FUNCTION in where("suffix", ("alice",))
+
+
+def test_list_namespaces_metacharacter_labels(store: SqliteStore) -> None:
+    """Metacharacters in labels are literal on both matching paths.
+
+    Plain prefixes take the `= OR GLOB` condition and wildcard/suffix paths take
+    the regex function, so escaping has to hold in two different syntaxes.
+    """
+    pairs = [
+        ("star*", "starX"),
+        ("q?m", "qXm"),
+        ("br[ack]et", "brXacXket"),
+        ("user_1", "userX1"),
+        ("a%b", "axxb"),
+        ("plus+", "plusX"),
+    ]
+    for label, decoy in pairs:
+        store.put((label,), "k", {"v": 1})
+        store.put((decoy,), "k", {"v": 1})
+        store.put((label, "child"), "k", {"v": 1})
+
+    for label, decoy in pairs:
+        found = set(store.list_namespaces(prefix=[label], limit=100))
+        assert found == {(label,), (label, "child")}
+        # The decoy differs only where the metacharacter would have matched.
+        assert (decoy,) not in found
+        assert set(store.list_namespaces(prefix=[label, "child"], limit=100)) == {
+            (label, "child"),
+        }

libs/checkpoint-sqlite/uv.lock

@@ -147,11 +147,11 @@ wheels = [
 
 [[package]]
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+    { url = "https://files.pythonhosted.org/packages/8b/bf/bdb951d34eb169140b546f44be9ec4525d1acefb9eb5572071f5492b19fc/codespell-2.4.3-py3-none-any.whl", hash = "sha256:af2505b335e8573dbd2d384d1c4ef498f4006f4ba2d6fceca01e55b91f52628a", size = 340736, upload-time = "2026-07-15T11:51:52.925Z" },
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 [[package]]
@@ -168,7 +168,7 @@ name = "exceptiongroup"
 version = "1.3.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "typing-extensions", marker = "python_full_version < '3.13'" },
+    { name = "typing-extensions" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/50/79/66800aadf48771f6b62f7eb014e352e5d06856655206165d775e675a02c9/exceptiongroup-1.3.1.tar.gz", hash = "sha256:8b412432c6055b0b7d14c310000ae93352ed6754f70fa8f7c34141f91c4e3219", size = 30371, upload-time = "2025-11-21T23:01:54.787Z" }
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@@ -253,7 +253,7 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "1.4.8"
+version = "1.5.2"
 source = { registry = "https://pypi.org/simple" }
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     { name = "jsonpatch" },
@@ -266,9 +266,9 @@ dependencies = [
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     { name = "uuid-utils" },
 ]
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@@ -285,7 +285,7 @@ wheels = [
 
 [[package]]
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-version = "4.1.1"
+version = "4.2.0"
 source = { editable = "../checkpoint" }
 dependencies = [
     { name = "langchain-core" },
@@ -331,9 +331,36 @@ test = [
     { name = "redis" },
 ]
 
+[[package]]
+name = "langgraph-checkpoint-conformance"
+version = "0.0.2"
+source = { editable = "../checkpoint-conformance" }
+dependencies = [
+    { name = "langgraph-checkpoint" },
+]
+
+[package.metadata]
+requires-dist = [{ name = "langgraph-checkpoint", editable = "../checkpoint" }]
+
+[package.metadata.requires-dev]
+dev = [
+    { name = "pytest" },
+    { name = "pytest-asyncio" },
+    { name = "ruff" },
+    { name = "ty" },
+]
+lint = [
+    { name = "ruff" },
+    { name = "ty" },
+]
+test = [
+    { name = "pytest" },
+    { name = "pytest-asyncio" },
+]
+
 [[package]]
 name = "langgraph-checkpoint-sqlite"
-version = "3.1.0"
+version = "3.1.1"
 source = { editable = "." }
 dependencies = [
     { name = "aiosqlite" },
@@ -345,6 +372,7 @@ dependencies = [
 dev = [
     { name = "codespell" },
     { name = "langgraph-checkpoint" },
+    { name = "langgraph-checkpoint-conformance" },
     { name = "pytest" },
     { name = "pytest-asyncio" },
     { name = "pytest-mock" },
@@ -360,6 +388,7 @@ lint = [
 ]
 test = [
     { name = "langgraph-checkpoint" },
+    { name = "langgraph-checkpoint-conformance" },
     { name = "pytest" },
     { name = "pytest-asyncio" },
     { name = "pytest-mock" },
@@ -378,6 +407,7 @@ requires-dist = [
 dev = [
     { name = "codespell" },
     { name = "langgraph-checkpoint", editable = "../checkpoint" },
+    { name = "langgraph-checkpoint-conformance", editable = "../checkpoint-conformance" },
     { name = "pytest" },
     { name = "pytest-asyncio" },
     { name = "pytest-mock" },
@@ -393,6 +423,7 @@ lint = [
 ]
 test = [
     { name = "langgraph-checkpoint", editable = "../checkpoint" },
+    { name = "langgraph-checkpoint-conformance", editable = "../checkpoint-conformance" },
     { name = "pytest" },
     { name = "pytest-asyncio" },
     { name = "pytest-mock" },
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 ]
 
 [[package]]

libs/checkpoint/langgraph/checkpoint/memory/__init__.py

@@ -148,17 +148,16 @@ class InMemorySaver(
         whose stored blob is non-empty. Other channels keep walking until
         they find their own terminator or hit the root.
 
-        Pre-delta plain-value blobs subsume their ancestor's pending
-        writes (the value already includes them); `_DeltaSnapshot` blobs
-        do not (snapshot is the value AT that ancestor, prior to its own
-        pending writes that produce the child).
+        A blob is the value AT its ancestor, prior to the writes stored
+        under that same ancestor (those writes produce its child, which
+        is on the path to the target). This holds for `_DeltaSnapshot`
+        blobs and for pre-delta plain values alike, so the seed
+        ancestor's own writes are always collected. Writes at ancestors
+        older than the seed are subsumed by the seed value and are never
+        reached — the walk terminates there.
         """
         if not channels:
             return {}
-        # Imported lazily to avoid a hard checkpoint→serde-types coupling at
-        # module import; only this override needs the runtime check.
-        from langgraph.checkpoint.serde.types import _DeltaSnapshot
-
         thread_id = config["configurable"]["thread_id"]
         checkpoint_ns = config["configurable"].get("checkpoint_ns", "")
         checkpoint_id = config["configurable"].get("checkpoint_id", "")
@@ -205,11 +204,6 @@ class InMemorySaver(
             ):
                 if ch not in remaining:
                     continue
-                blob_value = blob_value_by_ch.get(ch)
-                if blob_value is not None and not isinstance(
-                    blob_value, _DeltaSnapshot
-                ):
-                    continue
                 collected_by_ch[ch].append(
                     (tid, ch, self.serde.loads_typed(serialized))
                 )

libs/checkpoint/langgraph/store/base/__init__.py

@@ -552,6 +552,14 @@ class TTLConfig(TypedDict, total=False):
     This can be overridden per-operation by explicitly setting `refresh_ttl`.
     Defaults to `True` if not configured.
     """
+    omit_expired: bool
+    """Whether to omit expired items from read operations.
+
+    If `True`, and if the store supports this option, expired items will not be
+    returned by `GET` or `SEARCH`, or included in namespace listings, even before
+    a TTL sweep deletes them.
+    Defaults to `False` if not configured.
+    """
     default_ttl: float | None
     """Default TTL (time-to-live) in minutes for new items.
     

libs/checkpoint/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "langgraph-checkpoint"
-version = "4.1.1"
+version = "4.2.0"
 description = "Library with base interfaces for LangGraph checkpoint savers."
 authors = []
 requires-python = ">=3.10"
@@ -59,9 +59,15 @@ lint.select = [
   "UP", # pyupgrade
   "B",  # flake8-bugbear
   "I",  # isort
+  "PLC0415",  # import-outside-top-level
+  "RUF100",  # unused noqa directive
   "UP", # pyupgrade
 ]
 lint.ignore = ["E501", "B008"]
+# PLC0415 (import-outside-top-level) is enforced in tests only. Library code
+# still has deferred imports that have not been reviewed, so it stays exempt
+# for now.
+lint.per-file-ignores = { "langgraph/**" = ["PLC0415"] }
 target-version = "py310"
 
 [tool.ty.rules]

libs/checkpoint/tests/test_conformance_delta.py

@@ -12,10 +12,14 @@ conformance = pytest.importorskip(
 
 @pytest.mark.asyncio
 async def test_delta_channel_conformance():
-    from langgraph.checkpoint.conformance import validate
-    from langgraph.checkpoint.conformance.initializer import checkpointer_test
+    # Imported inside the test: the module-level importorskip above is what
+    # makes these safe, so they cannot move to the top of the file.
+    from langgraph.checkpoint.conformance import validate  # noqa: PLC0415
+    from langgraph.checkpoint.conformance.initializer import (  # noqa: PLC0415
+        checkpointer_test,
+    )
 
-    from langgraph.checkpoint.memory import InMemorySaver
+    from langgraph.checkpoint.memory import InMemorySaver  # noqa: PLC0415
 
     @checkpointer_test(name="InMemorySaver")
     async def mem_saver():

libs/checkpoint/tests/test_encrypted.py

@@ -307,8 +307,6 @@ class TestWithMsgpackAllowlistEncrypted:
             def loads_typed(self, data: tuple[str, bytes]) -> None:
                 return None
 
-        from langgraph.checkpoint.serde.base import CipherProtocol
-
         class DummyCipher(CipherProtocol):
             def encrypt(self, plaintext: bytes) -> tuple[str, bytes]:
                 return "dummy", plaintext

libs/checkpoint/tests/test_jsonplus.py

@@ -1,9 +1,12 @@
 import dataclasses
 import json
 import logging
+import os
 import pathlib
+import pickle
 import re
 import sys
+import tempfile
 import uuid
 from collections import deque
 from datetime import date, datetime, time, timezone
@@ -18,7 +21,7 @@ import ormsgpack
 import pandas as pd
 import pytest
 from langchain_core.documents.base import Document
-from langchain_core.messages import HumanMessage
+from langchain_core.messages import AIMessage, HumanMessage
 from pydantic import BaseModel, SecretStr
 from pydantic.v1 import BaseModel as BaseModelV1
 from pydantic.v1 import SecretStr as SecretStrV1
@@ -341,7 +344,6 @@ def test_lc2_json_safe_type_revives_without_allowlist() -> None:
     constructor dicts. Resuming those threads must reconstruct proper BaseMessage objects
     rather than returning raw dicts that cause MESSAGE_COERCION_FAILURE in add_messages.
     """
-    from langchain_core.messages import AIMessage
 
     serde = JsonPlusSerializer()  # default: _allowed_json_modules=None
 
@@ -410,7 +412,6 @@ def test_lc2_json_method_field_is_ignored() -> None:
     to that method: the result is whatever ``AIMessage(*args, **kwargs)`` would
     produce, which proves the default constructor ran instead of ``parse_raw``.
     """
-    from langchain_core.messages import AIMessage
 
     serde = JsonPlusSerializer()
     load = {
@@ -436,7 +437,6 @@ def test_lc2_json_method_field_is_ignored_for_allowlisted_types() -> None:
     method dispatch as a side effect. Revival is restricted to the default
     constructor regardless of how the class reached the revival path.
     """
-    from langchain_core.messages import AIMessage
 
     serde = JsonPlusSerializer(
         allowed_json_modules=[("langchain_core.messages.ai", "AIMessage")]
@@ -455,7 +455,6 @@ def test_lc2_json_method_field_is_ignored_for_allowlisted_types() -> None:
 
 def test_lc2_json_safe_type_init_still_works() -> None:
     """SAFE-type lc=2 revival without a `method` field still constructs the class."""
-    from langchain_core.messages import AIMessage
 
     serde = JsonPlusSerializer()
     load = {
@@ -479,7 +478,6 @@ def test_lc2_json_legacy_pydantic_method_list_falls_back_to_default() -> None:
     this shape continue to revive correctly as long as the default constructor
     accepts the serialized kwargs.
     """
-    from langchain_core.messages import AIMessage
 
     serde = JsonPlusSerializer()
     load = {
@@ -551,9 +549,6 @@ def test_lc2_json_safe_type_pickle_payload_does_not_execute() -> None:
     With method dispatch removed from `_revive_lc2`, the gadget bytes are never
     passed to `parse_raw` and therefore never reach `pickle.loads`.
     """
-    import os
-    import pickle
-    import tempfile
 
     marker = tempfile.NamedTemporaryFile(
         prefix="lc2_block_proof_", suffix=".out", delete=False

libs/checkpoint/tests/test_memory.py

@@ -1,3 +1,4 @@
+import asyncio
 import logging
 from typing import Any
 
@@ -523,7 +524,6 @@ class TestBaseFallbackGetChannelWrites:
         `threading.local()` guard would let whichever task set it first
         short-circuit the other to `writes=[]`.
         """
-        import asyncio
 
         saver, thread_id, ns = self._build_saver_with_chain()
 
@@ -577,9 +577,19 @@ class TestPreDeltaBlobTerminator:
     """
 
     def _build_mixed_thread(self) -> tuple[InMemorySaver, str, str, str, str]:
-        """Three-checkpoint chain: cp1 (pre-delta, blob=[A]), cp2 (delta,
-        write=B), cp3 (delta, write=C). Reconstructing at cp3 must yield
-        seed=[A] + writes=[B, C].
+        """Four-checkpoint chain spanning the migration boundary:
+
+        * `cp0` — pre-delta ancestor OLDER than the seed. Its write
+          (`OLDER-WRITE`) is already folded into `cp1`'s stored value, so the
+          walk must terminate at `cp1` and never reach it.
+        * `cp1` — pre-delta, blob `["A"]`. That value is the state ENTERING
+          `cp1`; the write stored under `cp1` (`PRE-DELTA-WRITE`) is what
+          produced `cp2` and is NOT subsumed by the blob.
+        * `cp2` — delta-era, no stored value, write `B`.
+        * `cp3` — target, delta-era, write `PENDING-AT-TARGET`.
+
+        Reconstructing at `cp3` must yield seed `["A"]` plus writes
+        `["PRE-DELTA-WRITE", "B"]`.
 
         Returns `(saver, thread_id, ns, channel, cp3_id)`.
         """
@@ -587,16 +597,21 @@ class TestPreDeltaBlobTerminator:
         serde = JsonPlusSerializer()
         thread_id, ns, channel = "t1", "", "messages"
 
+        v0 = "00000000000000000000000000000000.0"
         v1 = "00000000000000000000000000000001.0"
         v2 = "00000000000000000000000000000002.0"
         v3 = "00000000000000000000000000000003.0"
 
-        # Pre-delta: cp1 stored a real blob for the channel.
+        # Pre-delta: cp0 and cp1 stored real blobs for the channel.
+        saver.blobs[(thread_id, ns, channel, v0)] = serde.dumps_typed([])
         saver.blobs[(thread_id, ns, channel, v1)] = serde.dumps_typed(["A"])
         # Delta-era: cp2 and cp3 store "empty"; real writes in checkpoint_writes.
         saver.blobs[(thread_id, ns, channel, v2)] = ("empty", b"")
         saver.blobs[(thread_id, ns, channel, v3)] = ("empty", b"")
 
+        cp0 = empty_checkpoint()
+        cp0["id"] = "cp0"
+        cp0["channel_versions"][channel] = v0
         cp1 = empty_checkpoint()
         cp1["id"] = "cp1"
         cp1["channel_versions"][channel] = v1
@@ -608,16 +623,24 @@ class TestPreDeltaBlobTerminator:
         cp3["channel_versions"][channel] = v3
 
         saver.storage[thread_id][ns] = {
-            "cp1": (serde.dumps_typed(cp1), serde.dumps_typed({}), None),
+            "cp0": (serde.dumps_typed(cp0), serde.dumps_typed({}), None),
+            "cp1": (serde.dumps_typed(cp1), serde.dumps_typed({}), "cp0"),
             "cp2": (serde.dumps_typed(cp2), serde.dumps_typed({}), "cp1"),
             "cp3": (serde.dumps_typed(cp3), serde.dumps_typed({}), "cp2"),
         }
-        # Write under cp1 would be from the pre-delta era and MUST be ignored
-        # (the blob already captures it). We add one and assert it is not
-        # folded into the reconstructed result.
-        saver.writes[(thread_id, ns, "cp1")][("task0", 0)] = (
+        # Write under cp0 is older than the seed — cp1's blob already folded
+        # it in, and the terminator must stop before reaching it.
+        saver.writes[(thread_id, ns, "cp0")][("task0", 0)] = (
             "task0",
             channel,
+            serde.dumps_typed("OLDER-WRITE"),
+            "",
+        )
+        # Write under cp1 postdates cp1's blob (it is what produced cp2, which
+        # stores no value of its own) and MUST be replayed.
+        saver.writes[(thread_id, ns, "cp1")][("task1", 0)] = (
+            "task1",
+            channel,
             serde.dumps_typed("PRE-DELTA-WRITE"),
             "",
         )
@@ -651,15 +674,19 @@ class TestPreDeltaBlobTerminator:
 
         # Seed came from the pre-delta blob at cp1.
         assert result["seed"] == ["A"]
-        # Delta-era writes from cp2 replay through the reducer on top of seed.
-        # cp3 is the target — its own write is pending for the NEXT step and
-        # must be excluded.
+        # The seed ancestor's own write and the delta-era write from cp2 both
+        # replay through the reducer on top of the seed, oldest first. cp3 is
+        # the target — its own write is pending for the NEXT step and must be
+        # excluded.
         values = [v for _, _, v in result["writes"]]
-        assert values == ["B"]
+        assert values == ["PRE-DELTA-WRITE", "B"]
 
-    def test_pre_delta_blob_terminates_walk_before_older_writes(self) -> None:
-        """Writes stored at the pre-delta ancestor itself must not be replayed
-        (the blob subsumes them)."""
+    def test_seed_bounds_walk_without_dropping_its_own_writes(self) -> None:
+        """The seed terminator bounds the walk: writes at ancestors OLDER than
+        the seed are already folded into the seed value and must not be
+        replayed. The seed ancestor's own write is not one of them — it
+        postdates the stored value and produced the next checkpoint.
+        """
         saver, thread_id, ns, channel, target = self._build_mixed_thread()
         config: RunnableConfig = {
             "configurable": {
@@ -674,7 +701,9 @@ class TestPreDeltaBlobTerminator:
         ]
 
         values = [v for _, _, v in result["writes"]]
-        # The pre-delta write under cp1 must not appear (the blob subsumes it).
-        assert "PRE-DELTA-WRITE" not in values
+        # Older than the seed — subsumed by cp1's blob, so the walk stops first.
+        assert "OLDER-WRITE" not in values
+        # Stored AT the seed ancestor — not subsumed, so it must be replayed.
+        assert "PRE-DELTA-WRITE" in values
         # And the pending write at the target is never folded in.
         assert "PENDING-AT-TARGET" not in values

libs/checkpoint/uv.lock

@@ -149,11 +149,11 @@ wheels = [
 
 [[package]]
 name = "codespell"
-version = "2.4.2"
+version = "2.4.3"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/2d/9d/1d0903dff693160f893ca6abcabad545088e7a2ee0a6deae7c24e958be69/codespell-2.4.2.tar.gz", hash = "sha256:3c33be9ae34543807f088aeb4832dfad8cb2dae38da61cac0a7045dd376cfdf3", size = 352058, upload-time = "2026-03-05T18:10:42.936Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/80/19/45e941380f69c042b43423513d201e6592346f992394347f5e7174c31407/codespell-2.4.3.tar.gz", hash = "sha256:cbe085e331227b37bb86ef8bddd08dc768c704ee9a07ca869852c093fa2793e2", size = 352773, upload-time = "2026-07-15T11:51:54.159Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/42/a1/52fa05533e95fe45bcc09bcf8a503874b1c08f221a4e35608017e0938f55/codespell-2.4.2-py3-none-any.whl", hash = "sha256:97e0c1060cf46bd1d5db89a936c98db8c2b804e1fdd4b5c645e82a1ec6b1f886", size = 353715, upload-time = "2026-03-05T18:10:41.398Z" },
+    { url = "https://files.pythonhosted.org/packages/8b/bf/bdb951d34eb169140b546f44be9ec4525d1acefb9eb5572071f5492b19fc/codespell-2.4.3-py3-none-any.whl", hash = "sha256:af2505b335e8573dbd2d384d1c4ef498f4006f4ba2d6fceca01e55b91f52628a", size = 340736, upload-time = "2026-07-15T11:51:52.925Z" },
 ]
 
 [[package]]
@@ -268,7 +268,7 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "1.4.8"
+version = "1.5.2"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "jsonpatch" },
@@ -281,9 +281,9 @@ dependencies = [
     { name = "typing-extensions" },
     { name = "uuid-utils" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/12/e3/bea6d0080acf183332f24dcd74c208aee5857cf8f783c3fb0bd86027d8fb/langchain_core-1.4.8.tar.gz", hash = "sha256:5bf1f8411077c904182ad8f975943d36adcbf579c4e017b3a118b719229ebf9a", size = 957974, upload-time = "2026-06-18T19:39:23.636Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/6e/58/3ad53096eee1e07728e8219ded30ae308b0f2b8b7b26b8ebb6371917c0f5/langchain_core-1.5.2.tar.gz", hash = "sha256:2d13ab35b42eec63d4669a483776b8cdd778ee764107149369fb369d84c08c41", size = 972322, upload-time = "2026-07-28T16:38:37.977Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/13/d6/bdf6f0481cc57ef300d6b1eb48cf1400c0409be715d6eb3cabadd1142a09/langchain_core-1.4.8-py3-none-any.whl", hash = "sha256:d84c28b05e3ba8d4271d0827aad5b592ccdaaf986e76768c23503f0a2045e8aa", size = 557416, upload-time = "2026-06-18T19:39:21.902Z" },
+    { url = "https://files.pythonhosted.org/packages/ca/e4/024e402a65f5ee2eb6ae9667b5ffc5f08776cb4e712f5a11ee1997d56083/langchain_core-1.5.2-py3-none-any.whl", hash = "sha256:a687dd7c3b22c6c1294e1c1eeb61fb6f3a308e6015a1d75b576b3836ad5b5aed", size = 561643, upload-time = "2026-07-28T16:38:36.38Z" },
 ]
 
 [[package]]
@@ -300,7 +300,7 @@ wheels = [
 
 [[package]]
 name = "langgraph-checkpoint"
-version = "4.1.1"
+version = "4.2.0"
 source = { editable = "." }
 dependencies = [
     { name = "langchain-core" },
@@ -1163,27 +1163,27 @@ wheels = [
 
 [[package]]
 name = "ruff"
-version = "0.15.20"
+version = "0.16.0"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/43/dc/35b341fc554ba02f217fc10da57d1a75168cfbcf75b0ef2202176d4c4f2d/ruff-0.15.20.tar.gz", hash = "sha256:1416eb04349192646b54de98f146c4f59afe37d0decfc02c3cbbf396f3a28566", size = 4755489, upload-time = "2026-06-25T17:20:37.578Z" }
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 ]
 
 [[package]]

libs/cli/js-examples/package.json

@@ -21,28 +21,28 @@
     "test:all": "yarn test && yarn test:int && yarn lint:langgraph"
   },
   "dependencies": {
-    "@langchain/core": "^1.2.1",
-    "@langchain/langgraph": "^1.4.7"
+    "@langchain/core": "^1.2.4",
+    "@langchain/langgraph": "^1.4.8"
   },
   "resolutions": {
     "@langchain/langgraph-checkpoint": "1.0.4"
   },
   "devDependencies": {
-    "@eslint/eslintrc": "^3.3.5",
+    "@eslint/eslintrc": "^3.3.6",
     "@eslint/js": "^10.0.1",
     "@tsconfig/recommended": "^1.0.13",
     "@types/jest": "^30.0.0",
-    "@typescript-eslint/eslint-plugin": "^8.62.1",
-    "@typescript-eslint/parser": "^8.62.1",
+    "@typescript-eslint/eslint-plugin": "^8.65.0",
+    "@typescript-eslint/parser": "^8.65.0",
     "dotenv": "^17.4.2",
-    "eslint": "^10.6.0",
+    "eslint": "^10.8.0",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-import": "^2.32.0",
     "eslint-plugin-no-instanceof": "^1.0.1",
     "eslint-plugin-prettier": "^5.5.6",
     "jest": "^30.4.2",
-    "prettier": "^3.9.4",
-    "ts-jest": "^29.4.11",
-    "typescript": "^6.0.3"
+    "prettier": "^3.9.6",
+    "ts-jest": "^29.4.12",
+    "typescript": "^7.0.2"
   }
 }

libs/cli/js-examples/yarn.lock

@@ -412,10 +412,10 @@
     debug "^4.3.1"
     minimatch "^10.2.4"
 
-"@eslint/config-helpers@^0.6.0":
-  version "0.6.0"
-  resolved "https://registry.yarnpkg.com/@eslint/config-helpers/-/config-helpers-0.6.0.tgz#ef9a36881d39dfd5dbeac22b0da997fabfb08b03"
-  integrity sha512-ii6Bw9jJ2zi2cWA2Z+9/QZ/+3DX6kwaV5Q986D/CdP3Lap3w/pgQZ373FV7byY/i7L4IRH/G43I5dz1ClsCbpA==
+"@eslint/config-helpers@^0.7.0":
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/@eslint/config-helpers/-/config-helpers-0.7.0.tgz#09ee4aa07b73f059ec2d4c74bf4b2ff02b322377"
+  integrity sha512-DObd/KKUsU+FaFv4PLxSRenpXfQWmPXXP3pPZ6/K1PCrMu2vQpMDMuQe/BqYeoLcz8ro0bVDF1RxOJgfVEdhUw==
   dependencies:
     "@eslint/core" "^1.2.1"
 
@@ -426,10 +426,10 @@
   dependencies:
     "@types/json-schema" "^7.0.15"
 
-"@eslint/eslintrc@^3.3.5":
-  version "3.3.5"
-  resolved "https://registry.yarnpkg.com/@eslint/eslintrc/-/eslintrc-3.3.5.tgz#c131793cfc1a7b96f24a83e0a8bbd4b881558c60"
-  integrity sha512-4IlJx0X0qftVsN5E+/vGujTRIFtwuLbNsVUe7TO6zYPDR1O6nFwvwhIKEKSrl6dZchmYBITazxKoUYOjdtjlRg==
+"@eslint/eslintrc@^3.3.6":
+  version "3.3.6"
+  resolved "https://registry.yarnpkg.com/@eslint/eslintrc/-/eslintrc-3.3.6.tgz#d22bfd6b3a7d8e1f2c0b2f2e6de111b53ec6e13e"
+  integrity sha512-l2Ul9PrHsPCKcEY/ac7VgFj9D80C7S68sOKc618SyHDPK36s1XcFebXY0iTzUVn4Yq+YbwvSnDmCz9yxjX+QrA==
   dependencies:
     ajv "^6.14.0"
     debug "^4.3.2"
@@ -437,7 +437,7 @@
     globals "^14.0.0"
     ignore "^5.2.0"
     import-fresh "^3.2.1"
-    js-yaml "^4.1.1"
+    js-yaml "^4.3.0"
     minimatch "^3.1.5"
     strip-json-comments "^3.1.1"
 
@@ -835,10 +835,10 @@
     "@jridgewell/resolve-uri" "^3.1.0"
     "@jridgewell/sourcemap-codec" "^1.4.14"
 
-"@langchain/core@^1.2.1":
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/@langchain/core/-/core-1.2.1.tgz#46751258ee56a6ae47ae578eba7928d3995d11ed"
-  integrity sha512-NNG/cC5FGuHDOAP56h0ddp8Rfk8p+othWzEK5RV9JIG6RvnF5vGa5r0AEGtKfQieed7s1kC42GuIzVOBvMBL/g==
+"@langchain/core@^1.2.4":
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/@langchain/core/-/core-1.2.4.tgz#3916181e00f93b2e3b5801ab8273c07d144d75ce"
+  integrity sha512-GIrJktdsFPx8gM0C3VyikkeYGZAV7iRIzUJuS5tFatiKLExybou0LI0MuxH9kksN38quyfWdQDl20lIEAEVkVA==
   dependencies:
     "@cfworker/json-schema" "^4.0.2"
     "@standard-schema/spec" "^1.1.0"
@@ -855,23 +855,23 @@
   dependencies:
     uuid "^14.0.0"
 
-"@langchain/langgraph-sdk@~1.9.25":
-  version "1.9.25"
-  resolved "https://registry.yarnpkg.com/@langchain/langgraph-sdk/-/langgraph-sdk-1.9.25.tgz#034baf46bb626313761f1006cb554e30d797e310"
-  integrity sha512-mRKW8zyQUaHox+HirRFMRrPqOvNbQI3xeXDt6kkk4PbBg77V92bsO1WzUVNrmJ81zCkvxyOrWSK8D6ioCj0a8A==
+"@langchain/langgraph-sdk@~1.9.26":
+  version "1.9.28"
+  resolved "https://registry.yarnpkg.com/@langchain/langgraph-sdk/-/langgraph-sdk-1.9.28.tgz#1664cc7b6f2c1509ddffecf17d805a26e70a7e1a"
+  integrity sha512-4j3XuM0PvtmAbL8mPfBS99ez3+ytRfgbOpAR/nOeaejTRF3Q9dNw2QnaGLGng8wLPtGLoSj+SYgUOVxy9Bv9vg==
   dependencies:
     "@langchain/protocol" "^0.0.18"
     "@types/json-schema" "^7.0.15"
     p-queue "^9.0.1"
     p-retry "^7.1.1"
 
-"@langchain/langgraph@^1.4.7":
-  version "1.4.7"
-  resolved "https://registry.yarnpkg.com/@langchain/langgraph/-/langgraph-1.4.7.tgz#fed2157855ece936df27d812e6c5b21c515f7294"
-  integrity sha512-2tcyf3QGC7v89kqSxMCtRvzg/3L/4yHtOaWC49A8KieCciWJs7LGaxHoPB6QRxXyUgyR+Zg9Q1ss/XJIE+JuSQ==
+"@langchain/langgraph@^1.4.8":
+  version "1.4.8"
+  resolved "https://registry.yarnpkg.com/@langchain/langgraph/-/langgraph-1.4.8.tgz#65ef5635b5554cd32f502a3808b92d8371998a99"
+  integrity sha512-DN1Np1XefdBEbp1qBKlt39cwoL743AAGpR5Ipja0gY2YbWvsoQnOTIrjnj/orSAhaUYsdTKS8VSWdFzsHZo6Ig==
   dependencies:
     "@langchain/langgraph-checkpoint" "^1.1.3"
-    "@langchain/langgraph-sdk" "~1.9.25"
+    "@langchain/langgraph-sdk" "~1.9.26"
     "@langchain/protocol" "^0.0.18"
     "@standard-schema/spec" "1.1.0"
 
@@ -1044,102 +1044,212 @@
   dependencies:
     "@types/yargs-parser" "*"
 
-"@typescript-eslint/eslint-plugin@^8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.62.1.tgz#1736dcdca6cae3359d818456a47d18b674761f7f"
-  integrity sha512-4EQM77WgVNxj7OkL/5b/D/xZsw00G577+UriYTC7JF5opcF3T2AuoeY7ueLaZgSVjSgCS6yOAJB5bRGLPSJUzA==
+"@typescript-eslint/eslint-plugin@^8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.65.0.tgz#0a58df6fea8c0bf6b396f518077099bc8b762bb5"
+  integrity sha512-IEgob78X12rHpUmtcwFsXhZdVGJtwTVP8FiCLZkR6GlYVrl2PcuB+KhCE5BlVC/eQpQnu8WXRtkHZuPar+gCRA==
   dependencies:
     "@eslint-community/regexpp" "^4.12.2"
-    "@typescript-eslint/scope-manager" "8.62.1"
-    "@typescript-eslint/type-utils" "8.62.1"
-    "@typescript-eslint/utils" "8.62.1"
-    "@typescript-eslint/visitor-keys" "8.62.1"
+    "@typescript-eslint/scope-manager" "8.65.0"
+    "@typescript-eslint/type-utils" "8.65.0"
+    "@typescript-eslint/utils" "8.65.0"
+    "@typescript-eslint/visitor-keys" "8.65.0"
     ignore "^7.0.5"
     natural-compare "^1.4.0"
     ts-api-utils "^2.5.0"
 
-"@typescript-eslint/parser@^8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-8.62.1.tgz#d3f7ba18f1bf78bfb7256fea021d1927b48e7080"
-  integrity sha512-sPhE4iHuJDSvoAiec+Ro8JyXw8f0ql13HFR82P99nCm9GwTEKG0KYLvDe6REk8BCXuit6vJAv/Yxg5ABaNS2rA==
+"@typescript-eslint/parser@^8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-8.65.0.tgz#5295c1058c0a1dd746ef28baaf9c0341dbdf03dc"
+  integrity sha512-CZ4nMxWwgu1HEEFNkeaCptra9QCtkmKdgf3sWh1rl1trIhmxLilgTV4cwcbQ4wemnT4sWQN8CaKOmdYx+g2gMA==
   dependencies:
-    "@typescript-eslint/scope-manager" "8.62.1"
-    "@typescript-eslint/types" "8.62.1"
-    "@typescript-eslint/typescript-estree" "8.62.1"
-    "@typescript-eslint/visitor-keys" "8.62.1"
+    "@typescript-eslint/scope-manager" "8.65.0"
+    "@typescript-eslint/types" "8.65.0"
+    "@typescript-eslint/typescript-estree" "8.65.0"
+    "@typescript-eslint/visitor-keys" "8.65.0"
     debug "^4.4.3"
 
-"@typescript-eslint/project-service@8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/project-service/-/project-service-8.62.1.tgz#78d880eb1cf6859b5ec263d04f95403e9f90ae47"
-  integrity sha512-yQ3RgY5RkSBpsNS1Bx/JQEcA24FOSdfGktoyprAr5u18390UQdtVcfnEv4nIrIshNnavlVyZBKxQwT1fIAE6cg==
+"@typescript-eslint/project-service@8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/project-service/-/project-service-8.65.0.tgz#65fbbc9a1591abffaeab5513200f848271cb0aa5"
+  integrity sha512-SxnPhbTsGahizDgbu7oqFH/xVtzIqMd/s+WtnSxNxJZJpLbdT5IPdzg8EZxO3+PoKahXmwJLeNQOpKJb3/bi7Q==
   dependencies:
-    "@typescript-eslint/tsconfig-utils" "^8.62.1"
-    "@typescript-eslint/types" "^8.62.1"
+    "@typescript-eslint/tsconfig-utils" "^8.65.0"
+    "@typescript-eslint/types" "^8.65.0"
     debug "^4.4.3"
 
-"@typescript-eslint/scope-manager@8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-8.62.1.tgz#7ee65e9a6eb3ccdc4816593a4ff38840306de88a"
-  integrity sha512-r4d249KbQ1SFdpeStvob8Ih6aPPIzfqllPVOtvhve6ZcpuVcYo5/7zUWckKpHE7StASX4kTKZTLf0WQm/wPkcg==
+"@typescript-eslint/scope-manager@8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-8.65.0.tgz#9547202ce7e608e7b6283df585703b980a0ea70d"
+  integrity sha512-Esbl8OSYiVxBokYgWPf7VVWg/BE798wXhimnn9ML9Pt5qoDf8bfQlgjlKXR/k98+AcNzlLKYrpCcrcuZ9DZLgg==
   dependencies:
-    "@typescript-eslint/types" "8.62.1"
-    "@typescript-eslint/visitor-keys" "8.62.1"
+    "@typescript-eslint/types" "8.65.0"
+    "@typescript-eslint/visitor-keys" "8.65.0"
 
-"@typescript-eslint/tsconfig-utils@8.62.1", "@typescript-eslint/tsconfig-utils@^8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.62.1.tgz#e2b5f24fe721044189cb7e81117c96d75979d627"
-  integrity sha512-xadytJqX9vJVQ2fdQjkcIVigwaOJNWkpjdLt6cEQ+xPnrI1fkp+/jZE/I97k9KUjqtpd25i0HeyZf3T6dutv2g==
+"@typescript-eslint/tsconfig-utils@8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.65.0.tgz#36f168fcdbb1295f7446ff0379667f98c3cf1bf3"
+  integrity sha512-j6GzGqCiRdA7Qhur2VVmKZAkBLfnHFQfx4TaJGL9RMveZqCo48jSHHO0DTgizEnGhtWnqmbtCUSrqSkdiY/0Hg==
 
-"@typescript-eslint/type-utils@8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/type-utils/-/type-utils-8.62.1.tgz#ebd30b13bacb13070917259a23309cf644121f9a"
-  integrity sha512-aXM5xlqXiTxPibXB93cLAURfT3rlizf7uMXISCXy66Isr/9hISJx3yDsKl0L7lKa51b8JpFuNKby0/O0pEm9jg==
+"@typescript-eslint/tsconfig-utils@^8.65.0":
+  version "8.66.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.66.0.tgz#3a89066c507aa30541dc176804685b4b444e1e52"
+  integrity sha512-9D5gLYZG4rOjcoag8MQ/fWI8WqA9wcPDyOGyWtWFhvM1lHRbliqUSPIY5J3zqCU1tvSwzXxnnjhQhz5Ne7mJ4g==
+
+"@typescript-eslint/type-utils@8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/type-utils/-/type-utils-8.65.0.tgz#d316d7522d93cff4cd14f305e02f3df2d804f9c1"
+  integrity sha512-YjaZ7PRI5qY7ax2L3PbvX0rRyGtipAReCWs0mhhDBHjH/vl0g0BonaGXrKdKpMbIIsMIwDgbk/xzkBTyAltS5g==
   dependencies:
-    "@typescript-eslint/types" "8.62.1"
-    "@typescript-eslint/typescript-estree" "8.62.1"
-    "@typescript-eslint/utils" "8.62.1"
+    "@typescript-eslint/types" "8.65.0"
+    "@typescript-eslint/typescript-estree" "8.65.0"
+    "@typescript-eslint/utils" "8.65.0"
     debug "^4.4.3"
     ts-api-utils "^2.5.0"
 
-"@typescript-eslint/types@8.62.1", "@typescript-eslint/types@^8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-8.62.1.tgz#c58be954e483b2fc98275374d5bcb40b99842dc1"
-  integrity sha512-ooCzJFaf+Hg+uG6fA3NRFGuFjlfNlDhBthbv4ZPU/0elCAFUfnyXUvf/WOpHz/jYwSmvU2GkR2LtyUfy1AxZ1Q==
+"@typescript-eslint/types@8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-8.65.0.tgz#3e86738416a777c8b8925ab46745f48ecf904c9f"
+  integrity sha512-JSSwWNy+H0E/01jJEM+hrX6N0OFDzFzeIhHFSAS01tlVaevpG8cFyYRPhS5yjGOvBUx3sqQHVMjCL1CAZZMxBg==
 
-"@typescript-eslint/typescript-estree@8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-8.62.1.tgz#98c1bb17635d5b026b24193a8d29188ac64380ff"
-  integrity sha512-xMcW9oP9u7fAMXYs9A65CVmtLQe2r//oXINHfi8HV+oiqhih17sbLdhXr4540YWlgpDKQdY854OL5ZrdCiQsAA==
+"@typescript-eslint/types@^8.65.0":
+  version "8.66.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-8.66.0.tgz#3cacab94d3b564c1d48c56eb37b89f89a6d48479"
+  integrity sha512-H6gcYaSDOyvL3AD/jHUtUFo2jqGgn/F6nuyuZSu0QTesxL+cP4dQoIMrODRofuJC09g64+WgZ6tE19Y1N2YIFQ==
+
+"@typescript-eslint/typescript-estree@8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-8.65.0.tgz#f1f514808f6aa713e2d678ae8ff592a65e1632af"
+  integrity sha512-JboAE2swaYt4tb1fHhHTABE2K+OLy09XfcTbhnk4Pw96f9dd2e9iYsJ28gBggHlo5z5x1rkyWvcPoTuNTd4oGg==
   dependencies:
-    "@typescript-eslint/project-service" "8.62.1"
-    "@typescript-eslint/tsconfig-utils" "8.62.1"
-    "@typescript-eslint/types" "8.62.1"
-    "@typescript-eslint/visitor-keys" "8.62.1"
+    "@typescript-eslint/project-service" "8.65.0"
+    "@typescript-eslint/tsconfig-utils" "8.65.0"
+    "@typescript-eslint/types" "8.65.0"
+    "@typescript-eslint/visitor-keys" "8.65.0"
     debug "^4.4.3"
     minimatch "^10.2.2"
     semver "^7.7.3"
     tinyglobby "^0.2.15"
     ts-api-utils "^2.5.0"
 
-"@typescript-eslint/utils@8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/utils/-/utils-8.62.1.tgz#1622b75c7e6df308181dd0b44855dc4228da0457"
-  integrity sha512-sHtbPfuKNZCG+ih8SyjjucqRntSVmp8XgL5u6o9mAhiSn8ds5o/M/XdM0abweme2Tln3szOstOrZ9OXitvPh0g==
+"@typescript-eslint/utils@8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/utils/-/utils-8.65.0.tgz#afedd974a0c8deeef553b509df5800bafd615a72"
+  integrity sha512-gXiwIHsYreboxeJucHKPvgwl7dXt50mF8s1/c00cP/WoVTyWKFdtfhRWwZiXYFU5H2O8vVoSLNrexFZjYS/SGA==
   dependencies:
     "@eslint-community/eslint-utils" "^4.9.1"
-    "@typescript-eslint/scope-manager" "8.62.1"
-    "@typescript-eslint/types" "8.62.1"
-    "@typescript-eslint/typescript-estree" "8.62.1"
+    "@typescript-eslint/scope-manager" "8.65.0"
+    "@typescript-eslint/types" "8.65.0"
+    "@typescript-eslint/typescript-estree" "8.65.0"
 
-"@typescript-eslint/visitor-keys@8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-8.62.1.tgz#499657d77ffafb8a99eb1d6c97847ca430234722"
-  integrity sha512-4g3BLxfdTMy8iZG0MaBkadnlRrCJ74cQiFbyEVMrkwIoqdyaXXQM22cotDvrl4x28wgIZ9rEJRoM+mmhSJpJ1g==
+"@typescript-eslint/visitor-keys@8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-8.65.0.tgz#e3704c13cb4a1c22454c1abf28ff4737e15018c6"
+  integrity sha512-8C71BQkGjiMmXtop7pHVJu1l2NNShFdkCyD6a2ezzs5vU/L3LRtb69EtcteFwz0mYMPzIgOw0n6OV4VBUWZd7A==
   dependencies:
-    "@typescript-eslint/types" "8.62.1"
+    "@typescript-eslint/types" "8.65.0"
     eslint-visitor-keys "^5.0.0"
 
+"@typescript/typescript-aix-ppc64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-aix-ppc64/-/typescript-aix-ppc64-7.0.2.tgz#cdc7ce81d60f1e09034960ddfb1fb880d7a776b6"
+  integrity sha512-MTKKkWB7p/0E9xi1d1tHtZ5PiLkGEMIq88pK2CubZjOsLtYTLqhgIgi6zepFa+9GHZ6h05NMCkQxGKiPXMxXtQ==
+
+"@typescript/typescript-darwin-arm64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-darwin-arm64/-/typescript-darwin-arm64-7.0.2.tgz#a55fdfcfa58df58d27db2237cde6a5c1e35a7235"
+  integrity sha512-gowzar9MwS/aRWp6f3a4KUqzRjAZjOsmGNCM6LcTgXum+dBfgsBVMN+AgvOCCbguXyick6LJhpBszxMebJ8syA==
+
+"@typescript/typescript-darwin-x64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-darwin-x64/-/typescript-darwin-x64-7.0.2.tgz#38d1c9172800a91d707bec64d2a370a016634db4"
+  integrity sha512-SZ9xZInqApNlNGc9s0W1VSsktYSOe9cFqNOIqmN1Gs8SmkjKZYFt017G4VwPxASInODuAdbTW7sXiFUf893RgA==
+
+"@typescript/typescript-freebsd-arm64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-freebsd-arm64/-/typescript-freebsd-arm64-7.0.2.tgz#f1ff8810030b35d2b5be0db6a2dc650460ea94fa"
+  integrity sha512-W5NH4y/J0plIIS5b2xvTEkU7JFxyqdMAOgf+Ilhl0vHQXKO5dZoxd+C/jEtq56c4F3wk71RB4BMRQ2XdI+bwYQ==
+
+"@typescript/typescript-freebsd-x64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-freebsd-x64/-/typescript-freebsd-x64-7.0.2.tgz#3d86b03f353c5b1ba95162eb6ce35533bfc294bd"
+  integrity sha512-UMGDx5sTpzNw3WiPebH7l90IWfJggEd+egHt/q6p7/Cm3zqoV7VxkGXt+3DxPIw8CcmvAB0j3sVVfbhX+M4Tpw==
+
+"@typescript/typescript-linux-arm64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-linux-arm64/-/typescript-linux-arm64-7.0.2.tgz#d9334d96d6dac6ff85da9c865588948de939e91f"
+  integrity sha512-Qh4eU4/y3yDjnfjjyPYihMj5/ODIlmt+Bzu17OI+fiSRDW57QmU5SiN63exPRNJPKUzcc1INa1NXdrJ+MqHjUQ==
+
+"@typescript/typescript-linux-arm@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-linux-arm/-/typescript-linux-arm-7.0.2.tgz#ad94b41e1aee2a4dcc6a298c7b67c43345fde32e"
+  integrity sha512-gffT3xPz9sR7j/YJExkyPntrI0P2EP9XbOyWzth2/Gs0RstK+90RBcO0ncXoXy/beYll1SXw846Nf2zdnEz0QQ==
+
+"@typescript/typescript-linux-loong64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-linux-loong64/-/typescript-linux-loong64-7.0.2.tgz#2965aee4fc873360139d893daafe6397a29138ad"
+  integrity sha512-uEHck9i8hoAzXPiYRib1O7miOnz23SxIeVl6F4LXox+qov1K35jHcEW6VHKvZI+pyvl7fZEP4MCU5LYvIq1GuQ==
+
+"@typescript/typescript-linux-mips64el@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-linux-mips64el/-/typescript-linux-mips64el-7.0.2.tgz#1a887a311bed3a833f80bfd4a9ed37c271936cf0"
+  integrity sha512-R4KvAMnE43W5Qeqb0Ly56O3mWMWIAgsMyz36DCaycd5nbg/9kzm0liw3JocfRqyJY0KPmzFjbswozXyW0DnIYA==
+
+"@typescript/typescript-linux-ppc64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-linux-ppc64/-/typescript-linux-ppc64-7.0.2.tgz#8b63c9b2f445b393eb4e43ec21da225dade3577d"
+  integrity sha512-DORx5b3sd/4S7eayxm4FQv+A7CrkUIGRaHiwI8oiHTAI1fAPWhF4J0vAlkC8biAlHSVVwxMQ3tjZ2/DVbnQiiA==
+
+"@typescript/typescript-linux-riscv64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-linux-riscv64/-/typescript-linux-riscv64-7.0.2.tgz#b6e8a35c289b3ea97a92a41d461aaeed0d3b36e1"
+  integrity sha512-wf0jqEDOjrPRnKwYRyyJDRo11KMbvMFrU+q4zqKyChODBzvlkbhNQfKvLxQCcwTpdDaXSHZTVuh0JoCrKCUMHQ==
+
+"@typescript/typescript-linux-s390x@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-linux-s390x/-/typescript-linux-s390x-7.0.2.tgz#2ef96693be4861f6d17965427e5b009cbbed1a3e"
+  integrity sha512-IkwJc3L7yhytWd/ewjyxNDfOmswCm9GWMJT/ue/dU4aZNbwZeYAetq42VyLmsmSjvoX7z74X6ZaYCtzAr0EuGw==
+
+"@typescript/typescript-linux-x64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-linux-x64/-/typescript-linux-x64-7.0.2.tgz#73269cb0baba50aea0ca060445a6b88e583f1ce2"
+  integrity sha512-EYdf2cNg7rgCWJnxCdJ+F3V39O8ihb37eHAu1LK8oAFizgTQbPOK7zHHXbPt8rX24COqODXeI3sIf0fCXG7H/A==
+
+"@typescript/typescript-netbsd-arm64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-netbsd-arm64/-/typescript-netbsd-arm64-7.0.2.tgz#3a3649f97fafa210b4e6e3798c15e06605c8a901"
+  integrity sha512-+polYF4MF04aPpO5FTkHran9yUQDSXqy5GiSDKpsll5jy3l3+g9QLhpf39T+ePtefhXLOGrLl0QIjkQP6VnelA==
+
+"@typescript/typescript-netbsd-x64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-netbsd-x64/-/typescript-netbsd-x64-7.0.2.tgz#47ec59491a40c470d2807dc4d2b825528fd979ab"
+  integrity sha512-8YIT0EHM/3dq10ZOVF/A7pc/YSMtbcecct4rWtexrnSCHOPcpC2KTLXfTCR6vDpnSiY12heNb1GiN/wu+T/FyA==
+
+"@typescript/typescript-openbsd-arm64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-openbsd-arm64/-/typescript-openbsd-arm64-7.0.2.tgz#796be8da0bd989d8a3fb96f2801e38a8365b4baf"
+  integrity sha512-APT8+ClYnuYm1u9+kgGXoMj2VzWzcymwh2gNSQVySHfkRDGOTVkoWLjCmOQSaO+PoqQ57B0flRp9SA+7GnnkzQ==
+
+"@typescript/typescript-openbsd-x64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-openbsd-x64/-/typescript-openbsd-x64-7.0.2.tgz#d37fe2a729eb942c076c454ee7f1815faf7d560f"
+  integrity sha512-yX7s+Q0Dln0Dt9tEzZsAjXXR/+ytBM7AlglaqyeMPxQszJ1JhlJdZ6jLA+IzldHtflX81em7lDao1xXu+aRRkg==
+
+"@typescript/typescript-sunos-x64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-sunos-x64/-/typescript-sunos-x64-7.0.2.tgz#aba8d3464c3565a7044789baba96916bd4ab2c88"
+  integrity sha512-dLJDGaLZ1D4HPQn62u1n8mBDkJREwMsAkCdkwd4Ieqw+x3TUyTsqY0YiBCtE6H6OzzgGk3iuZ3vFWRS+E8/d1g==
+
+"@typescript/typescript-win32-arm64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-win32-arm64/-/typescript-win32-arm64-7.0.2.tgz#b9de50a17196383f62620b5f9d0a2f34ad3b60d7"
+  integrity sha512-Gyl1Vy6OsWesLzmq+EP0Fb7b4Nid5232AvcA2SFcdYreldpNtYFFofPjnt62y9hQy7VTaZp65ICJjuAQRaVcIQ==
+
+"@typescript/typescript-win32-x64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-win32-x64/-/typescript-win32-x64-7.0.2.tgz#cf3b7b0d6ce5635daca4c8e01c189cdcde47ec3c"
+  integrity sha512-0BQ3HkAHHlKLSp1qRvf3SUhGpGsDuhB/jgFw75guyqbxJqEaS0Cw/VFO8i2nHglJUzQCRtMMR/IBAKE3ETMC4g==
+
 "@ungap/structured-clone@^1.3.0":
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/@ungap/structured-clone/-/structured-clone-1.3.0.tgz#d06bbb384ebcf6c505fde1c3d0ed4ddffe0aaff8"
@@ -1527,10 +1637,10 @@ brace-expansion@^2.0.2:
   dependencies:
     balanced-match "^1.0.0"
 
-brace-expansion@^5.0.2:
-  version "5.0.2"
-  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-5.0.2.tgz#b6c16d0791087af6c2bc463f52a8142046c06b6f"
-  integrity sha512-Pdk8c9poy+YhOgVWw1JNN22/HcivgKWwpxKq04M/jTmHyCZn12WPJebZxdjSa5TmBqISrUSgNYU3eRORljfCCw==
+brace-expansion@^5.0.8:
+  version "5.0.9"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-5.0.9.tgz#7c72438809b5fa5babf54199a1f1c281a6984fcf"
+  integrity sha512-ScQ4IuvIEF1TMlP7Zt+vjJ//9zlPb2SDcxWxM3bk8s6t6GGdJ7KO1dCcTidOPJKePW30LE/2cT7wCyPho9/Wxg==
   dependencies:
     balanced-match "^4.0.2"
 
@@ -2184,15 +2294,15 @@ eslint-visitor-keys@^5.0.0, eslint-visitor-keys@^5.0.1:
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-5.0.1.tgz#9e3c9489697824d2d4ce3a8ad12628f91e9f59be"
   integrity sha512-tD40eHxA35h0PEIZNeIjkHoDR4YjjJp34biM0mDvplBe//mB+IHCqHDGV7pxF+7MklTvighcCPPZC7ynWyjdTA==
 
-eslint@^10.6.0:
-  version "10.6.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-10.6.0.tgz#e1b4059c582be950c7088c9b55f984738b243c27"
-  integrity sha512-6lVbcqSodALYo+4ELD0heG6lFiFxnLMuLkiMi2qV8LMp54N8tE8FT1GMH+ev4Ti00nFjNze2+Su6DsV5OQW3Dg==
+eslint@^10.8.0:
+  version "10.8.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-10.8.0.tgz#e6d19907a3f090a53a022261ba34c5ff6d04908b"
+  integrity sha512-nuKKvN+oIBO0koN7Tm7dlkmnkc21mtt0QJLwAKzjLq14y6lRTdVG36MZHJ8eQHwdJMwZbQNMlPOYedMq/oVJvQ==
   dependencies:
     "@eslint-community/eslint-utils" "^4.8.0"
     "@eslint-community/regexpp" "^4.12.2"
     "@eslint/config-array" "^0.23.5"
-    "@eslint/config-helpers" "^0.6.0"
+    "@eslint/config-helpers" "^0.7.0"
     "@eslint/core" "^1.2.1"
     "@eslint/plugin-kit" "^0.7.2"
     "@humanfs/node" "^0.16.6"
@@ -2216,7 +2326,7 @@ eslint@^10.6.0:
     imurmurhash "^0.1.4"
     is-glob "^4.0.0"
     json-stable-stringify-without-jsonify "^1.0.1"
-    minimatch "^10.2.4"
+    minimatch "^10.2.5"
     natural-compare "^1.4.0"
     optionator "^0.9.3"
 
@@ -3541,10 +3651,10 @@ js-yaml@^3.13.1:
     argparse "^1.0.7"
     esprima "^4.0.0"
 
-js-yaml@^4.1.1:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.1.1.tgz#854c292467705b699476e1a2decc0c8a3458806b"
-  integrity sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==
+js-yaml@^4.3.0:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.3.1.tgz#01216c001d67f48e2cd560d708c7af21090a3848"
+  integrity sha512-CY6crGq313MX8GkwvB7tzgp99vjQxY1++5y10/BKN/GUfHqWaOGQMNZkBvqSzsZKWk/ijwHlWzzkLulsGHhjWQ==
   dependencies:
     argparse "^2.0.1"
 
@@ -3690,12 +3800,12 @@ mimic-fn@^2.1.0:
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-2.1.0.tgz#7ed2c2ccccaf84d3ffcb7a69b57711fc2083401b"
   integrity sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==
 
-minimatch@^10.2.2, minimatch@^10.2.4:
-  version "10.2.4"
-  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-10.2.4.tgz#465b3accbd0218b8281f5301e27cedc697f96fde"
-  integrity sha512-oRjTw/97aTBN0RHbYCdtF1MQfvusSIBQM0IZEgzl6426+8jSC0nF1a/GmnVLpfB9yyr6g6FTqWqiZVbxrtaCIg==
+minimatch@^10.2.2, minimatch@^10.2.4, minimatch@^10.2.5:
+  version "10.2.6"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-10.2.6.tgz#fd956bbe0b77241e9f15ac5dccb1c638060968ef"
+  integrity sha512-vpLQEs+VLCr1nU0BXS07maYoFwlDAH0gngQuuttxIwutDFEMHq2blX+8vpgxDdK3J1PwjCJiep77OitTZ4Ll1A==
   dependencies:
-    brace-expansion "^5.0.2"
+    brace-expansion "^5.0.8"
 
 minimatch@^3.0.4, minimatch@^3.1.1, minimatch@^3.1.2, minimatch@^3.1.5:
   version "3.1.5"
@@ -4041,10 +4151,10 @@ prettier-linter-helpers@^1.0.1:
   dependencies:
     fast-diff "^1.1.2"
 
-prettier@^3.9.4:
-  version "3.9.4"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.9.4.tgz#a9c477cf1614376bd1f6bbc593d8c0d414bcec87"
-  integrity sha512-yWG/o/4oJfo036EKAfK6ACAoDOfHeRHx4tuxkfBZiauURiaSmYwlpOr5LQqKtIkRD2z1PLteme2WoxEnj4tHTg==
+prettier@^3.9.6:
+  version "3.9.6"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.9.6.tgz#b3ea5146515d40fc53f18aa63f74dfab1e10dbf6"
+  integrity sha512-OpN0zzVdiaiAhxpuuj5efpIS4sY9j7bY6uR5mnj5yPzGkdkjNKSJeUThPb60Jw29QuAZgA4o+/iB49kFiaBX6g==
 
 pretty-format@30.2.0, pretty-format@^30.0.0:
   version "30.2.0"
@@ -4209,10 +4319,10 @@ semver@^6.3.1:
   resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.1.tgz#556d2ef8689146e46dcea4bfdd095f3434dffcb4"
   integrity sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==
 
-semver@^7.5.3, semver@^7.5.4, semver@^7.7.2, semver@^7.7.3, semver@^7.8.0:
-  version "7.8.1"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-7.8.1.tgz#bf4970b5e70fda0686363cc18bfe8805d5ed957e"
-  integrity sha512-rkVq3IXh+4FDGch+KwzX3aV9W3kO54GyEgpvBzSyctDA6Xtd7RJQV1xmXbeQp5v7+VzLOfVqiutSE6GICgPFvg==
+semver@^7.5.3, semver@^7.5.4, semver@^7.7.2, semver@^7.7.3, semver@^7.8.5:
+  version "7.8.5"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-7.8.5.tgz#39b646037dd50c14fb451e7e4cac58ed8b863f69"
+  integrity sha512-Y7/KDsb8LjooZpwaqGyulO6DQlksgCncchHGk+sZIY4SBvUocMBEFH5Ur1fI4dV+Jvl0w6cjvucaIi40puRioA==
 
 set-function-length@^1.2.1, set-function-length@^1.2.2:
   version "1.2.2"
@@ -4545,10 +4655,10 @@ ts-api-utils@^2.5.0:
   resolved "https://registry.yarnpkg.com/ts-api-utils/-/ts-api-utils-2.5.0.tgz#4acd4a155e22734990a5ed1fe9e97f113bcb37c1"
   integrity sha512-OJ/ibxhPlqrMM0UiNHJ/0CKQkoKF243/AEmplt3qpRgkW8VG7IfOS41h7V8TjITqdByHzrjcS/2si+y4lIh8NA==
 
-ts-jest@^29.4.11:
-  version "29.4.11"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-29.4.11.tgz#42f5de21c37ccc01a580253afae6955abbf4d0b3"
-  integrity sha512-IrFl7l9AuB/qrNw5quqvAv/hmKMb8dhWOH4jQOGo0Oq8tCeo1O86/iTFG1FaRimgUkF13l4PcepO8ATFT6Ns4g==
+ts-jest@^29.4.12:
+  version "29.4.12"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-29.4.12.tgz#c34cd91f02d364e9286d2c016843315fd0efff76"
+  integrity sha512-Ov6ClY53Fflh6BGAnY2DlTq1hYDrTycz2PVTXBWFW2CU+9zrEqAp9fWdGXl42EXO5RLSFAcAZ2JFKbP+zBTFfw==
   dependencies:
     bs-logger "^0.2.6"
     fast-json-stable-stringify "^2.1.0"
@@ -4556,7 +4666,7 @@ ts-jest@^29.4.11:
     json5 "^2.2.3"
     lodash.memoize "^4.1.2"
     make-error "^1.3.6"
-    semver "^7.8.0"
+    semver "^7.8.5"
     type-fest "^4.41.0"
     yargs-parser "^21.1.1"
 
@@ -4686,10 +4796,31 @@ typed-array-length@^1.0.7:
     possible-typed-array-names "^1.0.0"
     reflect.getprototypeof "^1.0.6"
 
-typescript@^6.0.3:
-  version "6.0.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-6.0.3.tgz#90251dc007916e972786cb94d74d15b185577d21"
-  integrity sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==
+typescript@^7.0.2:
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-7.0.2.tgz#9ec773d7954a8c182c17cc5bbd575aa28bc51582"
+  integrity sha512-8FYau96o3NKOhbjKi/qNvG/W5jhzxkbdm5sj9AbZ/5T5sWqn3hJgLfGx27sRKZWTvyzCP8dLRBTf5tBTSRVUNA==
+  optionalDependencies:
+    "@typescript/typescript-aix-ppc64" "7.0.2"
+    "@typescript/typescript-darwin-arm64" "7.0.2"
+    "@typescript/typescript-darwin-x64" "7.0.2"
+    "@typescript/typescript-freebsd-arm64" "7.0.2"
+    "@typescript/typescript-freebsd-x64" "7.0.2"
+    "@typescript/typescript-linux-arm" "7.0.2"
+    "@typescript/typescript-linux-arm64" "7.0.2"
+    "@typescript/typescript-linux-loong64" "7.0.2"
+    "@typescript/typescript-linux-mips64el" "7.0.2"
+    "@typescript/typescript-linux-ppc64" "7.0.2"
+    "@typescript/typescript-linux-riscv64" "7.0.2"
+    "@typescript/typescript-linux-s390x" "7.0.2"
+    "@typescript/typescript-linux-x64" "7.0.2"
+    "@typescript/typescript-netbsd-arm64" "7.0.2"
+    "@typescript/typescript-netbsd-x64" "7.0.2"
+    "@typescript/typescript-openbsd-arm64" "7.0.2"
+    "@typescript/typescript-openbsd-x64" "7.0.2"
+    "@typescript/typescript-sunos-x64" "7.0.2"
+    "@typescript/typescript-win32-arm64" "7.0.2"
+    "@typescript/typescript-win32-x64" "7.0.2"
 
 uglify-js@^3.1.4:
   version "3.19.3"

libs/cli/js-monorepo-example/apps/agent/package.json

@@ -9,10 +9,10 @@
   },
   "dependencies": {
     "@js-monorepo-example/shared": "*",
-    "@langchain/core": "^1.2.1",
-    "@langchain/langgraph": "^1.4.7"
+    "@langchain/core": "^1.2.4",
+    "@langchain/langgraph": "^1.4.8"
   },
   "devDependencies": {
-    "typescript": "^6.0.3"
+    "typescript": "^7.0.2"
   }
 }

libs/cli/js-monorepo-example/libs/shared/package.json

@@ -9,6 +9,6 @@
     "clean": "rm -rf dist"
   },
   "devDependencies": {
-    "typescript": "^6.0.3"
+    "typescript": "^7.0.2"
   }
 }

libs/cli/js-monorepo-example/package.json

@@ -17,18 +17,18 @@
     "lint": "eslint 'apps/**/*.ts' 'libs/**/*.ts'"
   },
   "devDependencies": {
-    "turbo": "^2.10.2",
-    "typescript": "^6.0.3",
+    "turbo": "^2.10.8",
+    "typescript": "^7.0.2",
     "@tsconfig/recommended": "^1.0.13",
-    "@eslint/eslintrc": "^3.3.5",
+    "@eslint/eslintrc": "^3.3.6",
     "@eslint/js": "^10.0.1",
-    "eslint": "^10.6.0",
+    "eslint": "^10.8.0",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-import": "^2.27.5",
     "eslint-plugin-no-instanceof": "^1.0.1",
     "eslint-plugin-prettier": "^5.5.6",
-    "@typescript-eslint/eslint-plugin": "^8.62.1",
-    "@typescript-eslint/parser": "^8.62.1",
-    "prettier": "^3.9.4"
+    "@typescript-eslint/eslint-plugin": "^8.65.0",
+    "@typescript-eslint/parser": "^8.65.0",
+    "prettier": "^3.9.6"
   }
 }

libs/cli/js-monorepo-example/yarn.lock

@@ -28,10 +28,10 @@
     debug "^4.3.1"
     minimatch "^10.2.4"
 
-"@eslint/config-helpers@^0.6.0":
-  version "0.6.0"
-  resolved "https://registry.yarnpkg.com/@eslint/config-helpers/-/config-helpers-0.6.0.tgz#ef9a36881d39dfd5dbeac22b0da997fabfb08b03"
-  integrity sha512-ii6Bw9jJ2zi2cWA2Z+9/QZ/+3DX6kwaV5Q986D/CdP3Lap3w/pgQZ373FV7byY/i7L4IRH/G43I5dz1ClsCbpA==
+"@eslint/config-helpers@^0.7.0":
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/@eslint/config-helpers/-/config-helpers-0.7.0.tgz#09ee4aa07b73f059ec2d4c74bf4b2ff02b322377"
+  integrity sha512-DObd/KKUsU+FaFv4PLxSRenpXfQWmPXXP3pPZ6/K1PCrMu2vQpMDMuQe/BqYeoLcz8ro0bVDF1RxOJgfVEdhUw==
   dependencies:
     "@eslint/core" "^1.2.1"
 
@@ -42,10 +42,10 @@
   dependencies:
     "@types/json-schema" "^7.0.15"
 
-"@eslint/eslintrc@^3.3.5":
-  version "3.3.5"
-  resolved "https://registry.yarnpkg.com/@eslint/eslintrc/-/eslintrc-3.3.5.tgz#c131793cfc1a7b96f24a83e0a8bbd4b881558c60"
-  integrity sha512-4IlJx0X0qftVsN5E+/vGujTRIFtwuLbNsVUe7TO6zYPDR1O6nFwvwhIKEKSrl6dZchmYBITazxKoUYOjdtjlRg==
+"@eslint/eslintrc@^3.3.6":
+  version "3.3.6"
+  resolved "https://registry.yarnpkg.com/@eslint/eslintrc/-/eslintrc-3.3.6.tgz#d22bfd6b3a7d8e1f2c0b2f2e6de111b53ec6e13e"
+  integrity sha512-l2Ul9PrHsPCKcEY/ac7VgFj9D80C7S68sOKc618SyHDPK36s1XcFebXY0iTzUVn4Yq+YbwvSnDmCz9yxjX+QrA==
   dependencies:
     ajv "^6.14.0"
     debug "^4.3.2"
@@ -53,7 +53,7 @@
     globals "^14.0.0"
     ignore "^5.2.0"
     import-fresh "^3.2.1"
-    js-yaml "^4.1.1"
+    js-yaml "^4.3.0"
     minimatch "^3.1.5"
     strip-json-comments "^3.1.1"
 
@@ -103,10 +103,10 @@
   resolved "https://registry.yarnpkg.com/@isaacs/cliui/-/cliui-9.0.0.tgz#4d0a3f127058043bf2e7ee169eaf30ed901302f3"
   integrity sha512-AokJm4tuBHillT+FpMtxQ60n8ObyXBatq7jD2/JA9dxbDDokKQm8KMht5ibGzLVU9IJDIKK4TPKgMHEYMn3lMg==
 
-"@langchain/core@^1.2.1":
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/@langchain/core/-/core-1.2.1.tgz#46751258ee56a6ae47ae578eba7928d3995d11ed"
-  integrity sha512-NNG/cC5FGuHDOAP56h0ddp8Rfk8p+othWzEK5RV9JIG6RvnF5vGa5r0AEGtKfQieed7s1kC42GuIzVOBvMBL/g==
+"@langchain/core@^1.2.4":
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/@langchain/core/-/core-1.2.4.tgz#3916181e00f93b2e3b5801ab8273c07d144d75ce"
+  integrity sha512-GIrJktdsFPx8gM0C3VyikkeYGZAV7iRIzUJuS5tFatiKLExybou0LI0MuxH9kksN38quyfWdQDl20lIEAEVkVA==
   dependencies:
     "@cfworker/json-schema" "^4.0.2"
     "@standard-schema/spec" "^1.1.0"
@@ -121,23 +121,23 @@
   resolved "https://registry.yarnpkg.com/@langchain/langgraph-checkpoint/-/langgraph-checkpoint-1.1.3.tgz#891f2f9a2e96cf2ab0920f9240f9ad1e0a86a4ab"
   integrity sha512-wgzdQNeEsdw1e+4lvlj0tdq/RYR/k1vPin10g0ymGoehZDDgd9nvIllGXSXN4TFgF9sf5qQP/KTkOcLfeseIhA==
 
-"@langchain/langgraph-sdk@~1.9.25":
-  version "1.9.25"
-  resolved "https://registry.yarnpkg.com/@langchain/langgraph-sdk/-/langgraph-sdk-1.9.25.tgz#034baf46bb626313761f1006cb554e30d797e310"
-  integrity sha512-mRKW8zyQUaHox+HirRFMRrPqOvNbQI3xeXDt6kkk4PbBg77V92bsO1WzUVNrmJ81zCkvxyOrWSK8D6ioCj0a8A==
+"@langchain/langgraph-sdk@~1.9.26":
+  version "1.9.28"
+  resolved "https://registry.yarnpkg.com/@langchain/langgraph-sdk/-/langgraph-sdk-1.9.28.tgz#1664cc7b6f2c1509ddffecf17d805a26e70a7e1a"
+  integrity sha512-4j3XuM0PvtmAbL8mPfBS99ez3+ytRfgbOpAR/nOeaejTRF3Q9dNw2QnaGLGng8wLPtGLoSj+SYgUOVxy9Bv9vg==
   dependencies:
     "@langchain/protocol" "^0.0.18"
     "@types/json-schema" "^7.0.15"
     p-queue "^9.0.1"
     p-retry "^7.1.1"
 
-"@langchain/langgraph@^1.4.7":
-  version "1.4.7"
-  resolved "https://registry.yarnpkg.com/@langchain/langgraph/-/langgraph-1.4.7.tgz#fed2157855ece936df27d812e6c5b21c515f7294"
-  integrity sha512-2tcyf3QGC7v89kqSxMCtRvzg/3L/4yHtOaWC49A8KieCciWJs7LGaxHoPB6QRxXyUgyR+Zg9Q1ss/XJIE+JuSQ==
+"@langchain/langgraph@^1.4.8":
+  version "1.4.8"
+  resolved "https://registry.yarnpkg.com/@langchain/langgraph/-/langgraph-1.4.8.tgz#65ef5635b5554cd32f502a3808b92d8371998a99"
+  integrity sha512-DN1Np1XefdBEbp1qBKlt39cwoL743AAGpR5Ipja0gY2YbWvsoQnOTIrjnj/orSAhaUYsdTKS8VSWdFzsHZo6Ig==
   dependencies:
     "@langchain/langgraph-checkpoint" "^1.1.3"
-    "@langchain/langgraph-sdk" "~1.9.25"
+    "@langchain/langgraph-sdk" "~1.9.26"
     "@langchain/protocol" "^0.0.18"
     "@standard-schema/spec" "1.1.0"
 
@@ -166,35 +166,35 @@
   resolved "https://registry.yarnpkg.com/@tsconfig/recommended/-/recommended-1.0.13.tgz#269fce3ad04ca70b93269ff44cca81b950f542da"
   integrity sha512-sySRuBfMKyKO/j2ZAhR8kSembhjuPEV4Ra3AHtmWLq51+iGaudr45crPSzNC5b7/Ctrh9dfUpBuTlYrH6rM58Q==
 
-"@turbo/darwin-64@2.10.2":
-  version "2.10.2"
-  resolved "https://registry.yarnpkg.com/@turbo/darwin-64/-/darwin-64-2.10.2.tgz#224d47639e882a23985664f69278c61be37a2602"
-  integrity sha512-wBM3ObqOWnKUDmg7QfUFDkDHPFUAJmrYlYqmEM8jMPAPA/I6wRJIbWimeQUqhOiQ8xPKhzyWM+xaiUP0wz8FEQ==
+"@turbo/darwin-64@2.10.8":
+  version "2.10.8"
+  resolved "https://registry.yarnpkg.com/@turbo/darwin-64/-/darwin-64-2.10.8.tgz#0ae7cde6b95b82b0a4fe406ffea64bdfcf68a0ee"
+  integrity sha512-po+7rfJfUnFXjWlcoN2RwhErgzCdRtBc1T26vYPcywHlggmCQiQe1uWaE4j+BibI2uY9/2pDoFzMN0rmSaPFOw==
 
-"@turbo/darwin-arm64@2.10.2":
-  version "2.10.2"
-  resolved "https://registry.yarnpkg.com/@turbo/darwin-arm64/-/darwin-arm64-2.10.2.tgz#c6f075855a10e87ee0f5db7582432906cf05b484"
-  integrity sha512-/Cq0joWnuMjDPfhjbFP4sv+C/7gkQ415zlaO4XUzD5EZxbtrKgXKvuuydMvogG8GeUnN1aDltW71RlmEfpjbyw==
+"@turbo/darwin-arm64@2.10.8":
+  version "2.10.8"
+  resolved "https://registry.yarnpkg.com/@turbo/darwin-arm64/-/darwin-arm64-2.10.8.tgz#18a9127c0a0d9c5ad7de49bdb27e7032f8946334"
+  integrity sha512-+zB2btDJ00lnPRuqOvpVvgl4x34k/djZQGZTTCfjn7JgNCl8QFY5Njo5+dqkY1g/+9gbbsnAvWm9CmJg9ebcXA==
 
-"@turbo/linux-64@2.10.2":
-  version "2.10.2"
-  resolved "https://registry.yarnpkg.com/@turbo/linux-64/-/linux-64-2.10.2.tgz#d4251e876fda269a3a9b1c02ee668dbb3187b2a5"
-  integrity sha512-mMsf5IIhiKuceEXNstd25IbadjBXZ0amxzFOqliEzJX6HyeeHdBQPVSY583PWqYDyqM/FB8d5ZjkthfBSeuH3Q==
+"@turbo/linux-64@2.10.8":
+  version "2.10.8"
+  resolved "https://registry.yarnpkg.com/@turbo/linux-64/-/linux-64-2.10.8.tgz#1677672f5760d272c0a0608686fe8b8b29491fdb"
+  integrity sha512-K1dxqiVisyN7cViVsfQLs6xscQbYuI8aO2nbUhFURDACgEDfZRdP/b4CCxeosBJpcMfhYyiibWqJorCnvz9kKg==
 
-"@turbo/linux-arm64@2.10.2":
-  version "2.10.2"
-  resolved "https://registry.yarnpkg.com/@turbo/linux-arm64/-/linux-arm64-2.10.2.tgz#2a68be00512a6874fe972dcf028a8f6d7b0b7620"
-  integrity sha512-Wcng1i2kaKmXutmwxT9MUoYZvdaIekXAdlGr4+0TpgbhGLw7nDuEcRBFrxb5BbRoX1d1q8SpdRxLc45TvDZIdQ==
+"@turbo/linux-arm64@2.10.8":
+  version "2.10.8"
+  resolved "https://registry.yarnpkg.com/@turbo/linux-arm64/-/linux-arm64-2.10.8.tgz#dbdb5aef9e53bb4c88357dafc19f79138ec29253"
+  integrity sha512-Gi77ibVnrE1fEmvr+/wBD/yvRqhwp/RQuCp2+//lv1U1wNFFyVg0V7Wj8FG9FXPFAw5QHReo8rxc9+wBSDZjzA==
 
-"@turbo/windows-64@2.10.2":
-  version "2.10.2"
-  resolved "https://registry.yarnpkg.com/@turbo/windows-64/-/windows-64-2.10.2.tgz#f2233aec870c45d12b3dd8f1dfc767a042498151"
-  integrity sha512-SsNhM7Ho7EpAdwtrJKBOic9Hso23vu6Dp0gAfLOvUFjPzurr/sGQlXZEvr6z89ne4RDOypTwz5CBDrixpMKtXw==
+"@turbo/windows-64@2.10.8":
+  version "2.10.8"
+  resolved "https://registry.yarnpkg.com/@turbo/windows-64/-/windows-64-2.10.8.tgz#451c3b5421c9ce573c764b1efacae5ad4d1312ee"
+  integrity sha512-znnLO1haJPYTHoKMKwlAvlkjRiYbbhBzME6wIGaMd+fwir23U6jVd1ecaTWWi1fbnRVqxMfgDBKseQ/hLKb83g==
 
-"@turbo/windows-arm64@2.10.2":
-  version "2.10.2"
-  resolved "https://registry.yarnpkg.com/@turbo/windows-arm64/-/windows-arm64-2.10.2.tgz#c7b8c5b7c30b1fb3b7dac33dda9cb161fe09f461"
-  integrity sha512-Gf+S7ICAdimT/n02bOuVWKvhHnct/HYjZg3oBNIz5hZ9ZyWHbQim9J3P5Qip8WpX0ksxF7eaBVziJCuLnjhqDg==
+"@turbo/windows-arm64@2.10.8":
+  version "2.10.8"
+  resolved "https://registry.yarnpkg.com/@turbo/windows-arm64/-/windows-arm64-2.10.8.tgz#5661ca9b75713aece06d319493e48a366a4cd05c"
+  integrity sha512-VN30vh3b3Czh2WzYHNTfF1FE0YMZ5aHsLO8dBMGHJewA6792wX6iJR8ZxlzFW6WdOu0gEAKIvlYhfyT81Wkm4Q==
 
 "@types/esrecurse@^4.3.1":
   version "4.3.1"
@@ -216,102 +216,212 @@
   resolved "https://registry.yarnpkg.com/@types/json5/-/json5-0.0.29.tgz#ee28707ae94e11d2b827bcbe5270bcea7f3e71ee"
   integrity sha512-dRLjCWHYg4oaA77cxO64oO+7JwCwnIzkZPdrrC71jQmQtlhM556pwKo5bUzqvZndkVbeFLIIi+9TC40JNF5hNQ==
 
-"@typescript-eslint/eslint-plugin@^8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.62.1.tgz#1736dcdca6cae3359d818456a47d18b674761f7f"
-  integrity sha512-4EQM77WgVNxj7OkL/5b/D/xZsw00G577+UriYTC7JF5opcF3T2AuoeY7ueLaZgSVjSgCS6yOAJB5bRGLPSJUzA==
+"@typescript-eslint/eslint-plugin@^8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.65.0.tgz#0a58df6fea8c0bf6b396f518077099bc8b762bb5"
+  integrity sha512-IEgob78X12rHpUmtcwFsXhZdVGJtwTVP8FiCLZkR6GlYVrl2PcuB+KhCE5BlVC/eQpQnu8WXRtkHZuPar+gCRA==
   dependencies:
     "@eslint-community/regexpp" "^4.12.2"
-    "@typescript-eslint/scope-manager" "8.62.1"
-    "@typescript-eslint/type-utils" "8.62.1"
-    "@typescript-eslint/utils" "8.62.1"
-    "@typescript-eslint/visitor-keys" "8.62.1"
+    "@typescript-eslint/scope-manager" "8.65.0"
+    "@typescript-eslint/type-utils" "8.65.0"
+    "@typescript-eslint/utils" "8.65.0"
+    "@typescript-eslint/visitor-keys" "8.65.0"
     ignore "^7.0.5"
     natural-compare "^1.4.0"
     ts-api-utils "^2.5.0"
 
-"@typescript-eslint/parser@^8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-8.62.1.tgz#d3f7ba18f1bf78bfb7256fea021d1927b48e7080"
-  integrity sha512-sPhE4iHuJDSvoAiec+Ro8JyXw8f0ql13HFR82P99nCm9GwTEKG0KYLvDe6REk8BCXuit6vJAv/Yxg5ABaNS2rA==
+"@typescript-eslint/parser@^8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-8.65.0.tgz#5295c1058c0a1dd746ef28baaf9c0341dbdf03dc"
+  integrity sha512-CZ4nMxWwgu1HEEFNkeaCptra9QCtkmKdgf3sWh1rl1trIhmxLilgTV4cwcbQ4wemnT4sWQN8CaKOmdYx+g2gMA==
   dependencies:
-    "@typescript-eslint/scope-manager" "8.62.1"
-    "@typescript-eslint/types" "8.62.1"
-    "@typescript-eslint/typescript-estree" "8.62.1"
-    "@typescript-eslint/visitor-keys" "8.62.1"
+    "@typescript-eslint/scope-manager" "8.65.0"
+    "@typescript-eslint/types" "8.65.0"
+    "@typescript-eslint/typescript-estree" "8.65.0"
+    "@typescript-eslint/visitor-keys" "8.65.0"
     debug "^4.4.3"
 
-"@typescript-eslint/project-service@8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/project-service/-/project-service-8.62.1.tgz#78d880eb1cf6859b5ec263d04f95403e9f90ae47"
-  integrity sha512-yQ3RgY5RkSBpsNS1Bx/JQEcA24FOSdfGktoyprAr5u18390UQdtVcfnEv4nIrIshNnavlVyZBKxQwT1fIAE6cg==
+"@typescript-eslint/project-service@8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/project-service/-/project-service-8.65.0.tgz#65fbbc9a1591abffaeab5513200f848271cb0aa5"
+  integrity sha512-SxnPhbTsGahizDgbu7oqFH/xVtzIqMd/s+WtnSxNxJZJpLbdT5IPdzg8EZxO3+PoKahXmwJLeNQOpKJb3/bi7Q==
   dependencies:
-    "@typescript-eslint/tsconfig-utils" "^8.62.1"
-    "@typescript-eslint/types" "^8.62.1"
+    "@typescript-eslint/tsconfig-utils" "^8.65.0"
+    "@typescript-eslint/types" "^8.65.0"
     debug "^4.4.3"
 
-"@typescript-eslint/scope-manager@8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-8.62.1.tgz#7ee65e9a6eb3ccdc4816593a4ff38840306de88a"
-  integrity sha512-r4d249KbQ1SFdpeStvob8Ih6aPPIzfqllPVOtvhve6ZcpuVcYo5/7zUWckKpHE7StASX4kTKZTLf0WQm/wPkcg==
+"@typescript-eslint/scope-manager@8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-8.65.0.tgz#9547202ce7e608e7b6283df585703b980a0ea70d"
+  integrity sha512-Esbl8OSYiVxBokYgWPf7VVWg/BE798wXhimnn9ML9Pt5qoDf8bfQlgjlKXR/k98+AcNzlLKYrpCcrcuZ9DZLgg==
   dependencies:
-    "@typescript-eslint/types" "8.62.1"
-    "@typescript-eslint/visitor-keys" "8.62.1"
+    "@typescript-eslint/types" "8.65.0"
+    "@typescript-eslint/visitor-keys" "8.65.0"
 
-"@typescript-eslint/tsconfig-utils@8.62.1", "@typescript-eslint/tsconfig-utils@^8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.62.1.tgz#e2b5f24fe721044189cb7e81117c96d75979d627"
-  integrity sha512-xadytJqX9vJVQ2fdQjkcIVigwaOJNWkpjdLt6cEQ+xPnrI1fkp+/jZE/I97k9KUjqtpd25i0HeyZf3T6dutv2g==
+"@typescript-eslint/tsconfig-utils@8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.65.0.tgz#36f168fcdbb1295f7446ff0379667f98c3cf1bf3"
+  integrity sha512-j6GzGqCiRdA7Qhur2VVmKZAkBLfnHFQfx4TaJGL9RMveZqCo48jSHHO0DTgizEnGhtWnqmbtCUSrqSkdiY/0Hg==
 
-"@typescript-eslint/type-utils@8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/type-utils/-/type-utils-8.62.1.tgz#ebd30b13bacb13070917259a23309cf644121f9a"
-  integrity sha512-aXM5xlqXiTxPibXB93cLAURfT3rlizf7uMXISCXy66Isr/9hISJx3yDsKl0L7lKa51b8JpFuNKby0/O0pEm9jg==
+"@typescript-eslint/tsconfig-utils@^8.65.0":
+  version "8.66.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.66.0.tgz#3a89066c507aa30541dc176804685b4b444e1e52"
+  integrity sha512-9D5gLYZG4rOjcoag8MQ/fWI8WqA9wcPDyOGyWtWFhvM1lHRbliqUSPIY5J3zqCU1tvSwzXxnnjhQhz5Ne7mJ4g==
+
+"@typescript-eslint/type-utils@8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/type-utils/-/type-utils-8.65.0.tgz#d316d7522d93cff4cd14f305e02f3df2d804f9c1"
+  integrity sha512-YjaZ7PRI5qY7ax2L3PbvX0rRyGtipAReCWs0mhhDBHjH/vl0g0BonaGXrKdKpMbIIsMIwDgbk/xzkBTyAltS5g==
   dependencies:
-    "@typescript-eslint/types" "8.62.1"
-    "@typescript-eslint/typescript-estree" "8.62.1"
-    "@typescript-eslint/utils" "8.62.1"
+    "@typescript-eslint/types" "8.65.0"
+    "@typescript-eslint/typescript-estree" "8.65.0"
+    "@typescript-eslint/utils" "8.65.0"
     debug "^4.4.3"
     ts-api-utils "^2.5.0"
 
-"@typescript-eslint/types@8.62.1", "@typescript-eslint/types@^8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-8.62.1.tgz#c58be954e483b2fc98275374d5bcb40b99842dc1"
-  integrity sha512-ooCzJFaf+Hg+uG6fA3NRFGuFjlfNlDhBthbv4ZPU/0elCAFUfnyXUvf/WOpHz/jYwSmvU2GkR2LtyUfy1AxZ1Q==
+"@typescript-eslint/types@8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-8.65.0.tgz#3e86738416a777c8b8925ab46745f48ecf904c9f"
+  integrity sha512-JSSwWNy+H0E/01jJEM+hrX6N0OFDzFzeIhHFSAS01tlVaevpG8cFyYRPhS5yjGOvBUx3sqQHVMjCL1CAZZMxBg==
 
-"@typescript-eslint/typescript-estree@8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-8.62.1.tgz#98c1bb17635d5b026b24193a8d29188ac64380ff"
-  integrity sha512-xMcW9oP9u7fAMXYs9A65CVmtLQe2r//oXINHfi8HV+oiqhih17sbLdhXr4540YWlgpDKQdY854OL5ZrdCiQsAA==
+"@typescript-eslint/types@^8.65.0":
+  version "8.66.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-8.66.0.tgz#3cacab94d3b564c1d48c56eb37b89f89a6d48479"
+  integrity sha512-H6gcYaSDOyvL3AD/jHUtUFo2jqGgn/F6nuyuZSu0QTesxL+cP4dQoIMrODRofuJC09g64+WgZ6tE19Y1N2YIFQ==
+
+"@typescript-eslint/typescript-estree@8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-8.65.0.tgz#f1f514808f6aa713e2d678ae8ff592a65e1632af"
+  integrity sha512-JboAE2swaYt4tb1fHhHTABE2K+OLy09XfcTbhnk4Pw96f9dd2e9iYsJ28gBggHlo5z5x1rkyWvcPoTuNTd4oGg==
   dependencies:
-    "@typescript-eslint/project-service" "8.62.1"
-    "@typescript-eslint/tsconfig-utils" "8.62.1"
-    "@typescript-eslint/types" "8.62.1"
-    "@typescript-eslint/visitor-keys" "8.62.1"
+    "@typescript-eslint/project-service" "8.65.0"
+    "@typescript-eslint/tsconfig-utils" "8.65.0"
+    "@typescript-eslint/types" "8.65.0"
+    "@typescript-eslint/visitor-keys" "8.65.0"
     debug "^4.4.3"
     minimatch "^10.2.2"
     semver "^7.7.3"
     tinyglobby "^0.2.15"
     ts-api-utils "^2.5.0"
 
-"@typescript-eslint/utils@8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/utils/-/utils-8.62.1.tgz#1622b75c7e6df308181dd0b44855dc4228da0457"
-  integrity sha512-sHtbPfuKNZCG+ih8SyjjucqRntSVmp8XgL5u6o9mAhiSn8ds5o/M/XdM0abweme2Tln3szOstOrZ9OXitvPh0g==
+"@typescript-eslint/utils@8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/utils/-/utils-8.65.0.tgz#afedd974a0c8deeef553b509df5800bafd615a72"
+  integrity sha512-gXiwIHsYreboxeJucHKPvgwl7dXt50mF8s1/c00cP/WoVTyWKFdtfhRWwZiXYFU5H2O8vVoSLNrexFZjYS/SGA==
   dependencies:
     "@eslint-community/eslint-utils" "^4.9.1"
-    "@typescript-eslint/scope-manager" "8.62.1"
-    "@typescript-eslint/types" "8.62.1"
-    "@typescript-eslint/typescript-estree" "8.62.1"
+    "@typescript-eslint/scope-manager" "8.65.0"
+    "@typescript-eslint/types" "8.65.0"
+    "@typescript-eslint/typescript-estree" "8.65.0"
 
-"@typescript-eslint/visitor-keys@8.62.1":
-  version "8.62.1"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-8.62.1.tgz#499657d77ffafb8a99eb1d6c97847ca430234722"
-  integrity sha512-4g3BLxfdTMy8iZG0MaBkadnlRrCJ74cQiFbyEVMrkwIoqdyaXXQM22cotDvrl4x28wgIZ9rEJRoM+mmhSJpJ1g==
+"@typescript-eslint/visitor-keys@8.65.0":
+  version "8.65.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-8.65.0.tgz#e3704c13cb4a1c22454c1abf28ff4737e15018c6"
+  integrity sha512-8C71BQkGjiMmXtop7pHVJu1l2NNShFdkCyD6a2ezzs5vU/L3LRtb69EtcteFwz0mYMPzIgOw0n6OV4VBUWZd7A==
   dependencies:
-    "@typescript-eslint/types" "8.62.1"
+    "@typescript-eslint/types" "8.65.0"
     eslint-visitor-keys "^5.0.0"
 
+"@typescript/typescript-aix-ppc64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-aix-ppc64/-/typescript-aix-ppc64-7.0.2.tgz#cdc7ce81d60f1e09034960ddfb1fb880d7a776b6"
+  integrity sha512-MTKKkWB7p/0E9xi1d1tHtZ5PiLkGEMIq88pK2CubZjOsLtYTLqhgIgi6zepFa+9GHZ6h05NMCkQxGKiPXMxXtQ==
+
+"@typescript/typescript-darwin-arm64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-darwin-arm64/-/typescript-darwin-arm64-7.0.2.tgz#a55fdfcfa58df58d27db2237cde6a5c1e35a7235"
+  integrity sha512-gowzar9MwS/aRWp6f3a4KUqzRjAZjOsmGNCM6LcTgXum+dBfgsBVMN+AgvOCCbguXyick6LJhpBszxMebJ8syA==
+
+"@typescript/typescript-darwin-x64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-darwin-x64/-/typescript-darwin-x64-7.0.2.tgz#38d1c9172800a91d707bec64d2a370a016634db4"
+  integrity sha512-SZ9xZInqApNlNGc9s0W1VSsktYSOe9cFqNOIqmN1Gs8SmkjKZYFt017G4VwPxASInODuAdbTW7sXiFUf893RgA==
+
+"@typescript/typescript-freebsd-arm64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-freebsd-arm64/-/typescript-freebsd-arm64-7.0.2.tgz#f1ff8810030b35d2b5be0db6a2dc650460ea94fa"
+  integrity sha512-W5NH4y/J0plIIS5b2xvTEkU7JFxyqdMAOgf+Ilhl0vHQXKO5dZoxd+C/jEtq56c4F3wk71RB4BMRQ2XdI+bwYQ==
+
+"@typescript/typescript-freebsd-x64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-freebsd-x64/-/typescript-freebsd-x64-7.0.2.tgz#3d86b03f353c5b1ba95162eb6ce35533bfc294bd"
+  integrity sha512-UMGDx5sTpzNw3WiPebH7l90IWfJggEd+egHt/q6p7/Cm3zqoV7VxkGXt+3DxPIw8CcmvAB0j3sVVfbhX+M4Tpw==
+
+"@typescript/typescript-linux-arm64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-linux-arm64/-/typescript-linux-arm64-7.0.2.tgz#d9334d96d6dac6ff85da9c865588948de939e91f"
+  integrity sha512-Qh4eU4/y3yDjnfjjyPYihMj5/ODIlmt+Bzu17OI+fiSRDW57QmU5SiN63exPRNJPKUzcc1INa1NXdrJ+MqHjUQ==
+
+"@typescript/typescript-linux-arm@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-linux-arm/-/typescript-linux-arm-7.0.2.tgz#ad94b41e1aee2a4dcc6a298c7b67c43345fde32e"
+  integrity sha512-gffT3xPz9sR7j/YJExkyPntrI0P2EP9XbOyWzth2/Gs0RstK+90RBcO0ncXoXy/beYll1SXw846Nf2zdnEz0QQ==
+
+"@typescript/typescript-linux-loong64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-linux-loong64/-/typescript-linux-loong64-7.0.2.tgz#2965aee4fc873360139d893daafe6397a29138ad"
+  integrity sha512-uEHck9i8hoAzXPiYRib1O7miOnz23SxIeVl6F4LXox+qov1K35jHcEW6VHKvZI+pyvl7fZEP4MCU5LYvIq1GuQ==
+
+"@typescript/typescript-linux-mips64el@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-linux-mips64el/-/typescript-linux-mips64el-7.0.2.tgz#1a887a311bed3a833f80bfd4a9ed37c271936cf0"
+  integrity sha512-R4KvAMnE43W5Qeqb0Ly56O3mWMWIAgsMyz36DCaycd5nbg/9kzm0liw3JocfRqyJY0KPmzFjbswozXyW0DnIYA==
+
+"@typescript/typescript-linux-ppc64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-linux-ppc64/-/typescript-linux-ppc64-7.0.2.tgz#8b63c9b2f445b393eb4e43ec21da225dade3577d"
+  integrity sha512-DORx5b3sd/4S7eayxm4FQv+A7CrkUIGRaHiwI8oiHTAI1fAPWhF4J0vAlkC8biAlHSVVwxMQ3tjZ2/DVbnQiiA==
+
+"@typescript/typescript-linux-riscv64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-linux-riscv64/-/typescript-linux-riscv64-7.0.2.tgz#b6e8a35c289b3ea97a92a41d461aaeed0d3b36e1"
+  integrity sha512-wf0jqEDOjrPRnKwYRyyJDRo11KMbvMFrU+q4zqKyChODBzvlkbhNQfKvLxQCcwTpdDaXSHZTVuh0JoCrKCUMHQ==
+
+"@typescript/typescript-linux-s390x@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-linux-s390x/-/typescript-linux-s390x-7.0.2.tgz#2ef96693be4861f6d17965427e5b009cbbed1a3e"
+  integrity sha512-IkwJc3L7yhytWd/ewjyxNDfOmswCm9GWMJT/ue/dU4aZNbwZeYAetq42VyLmsmSjvoX7z74X6ZaYCtzAr0EuGw==
+
+"@typescript/typescript-linux-x64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-linux-x64/-/typescript-linux-x64-7.0.2.tgz#73269cb0baba50aea0ca060445a6b88e583f1ce2"
+  integrity sha512-EYdf2cNg7rgCWJnxCdJ+F3V39O8ihb37eHAu1LK8oAFizgTQbPOK7zHHXbPt8rX24COqODXeI3sIf0fCXG7H/A==
+
+"@typescript/typescript-netbsd-arm64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-netbsd-arm64/-/typescript-netbsd-arm64-7.0.2.tgz#3a3649f97fafa210b4e6e3798c15e06605c8a901"
+  integrity sha512-+polYF4MF04aPpO5FTkHran9yUQDSXqy5GiSDKpsll5jy3l3+g9QLhpf39T+ePtefhXLOGrLl0QIjkQP6VnelA==
+
+"@typescript/typescript-netbsd-x64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-netbsd-x64/-/typescript-netbsd-x64-7.0.2.tgz#47ec59491a40c470d2807dc4d2b825528fd979ab"
+  integrity sha512-8YIT0EHM/3dq10ZOVF/A7pc/YSMtbcecct4rWtexrnSCHOPcpC2KTLXfTCR6vDpnSiY12heNb1GiN/wu+T/FyA==
+
+"@typescript/typescript-openbsd-arm64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-openbsd-arm64/-/typescript-openbsd-arm64-7.0.2.tgz#796be8da0bd989d8a3fb96f2801e38a8365b4baf"
+  integrity sha512-APT8+ClYnuYm1u9+kgGXoMj2VzWzcymwh2gNSQVySHfkRDGOTVkoWLjCmOQSaO+PoqQ57B0flRp9SA+7GnnkzQ==
+
+"@typescript/typescript-openbsd-x64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-openbsd-x64/-/typescript-openbsd-x64-7.0.2.tgz#d37fe2a729eb942c076c454ee7f1815faf7d560f"
+  integrity sha512-yX7s+Q0Dln0Dt9tEzZsAjXXR/+ytBM7AlglaqyeMPxQszJ1JhlJdZ6jLA+IzldHtflX81em7lDao1xXu+aRRkg==
+
+"@typescript/typescript-sunos-x64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-sunos-x64/-/typescript-sunos-x64-7.0.2.tgz#aba8d3464c3565a7044789baba96916bd4ab2c88"
+  integrity sha512-dLJDGaLZ1D4HPQn62u1n8mBDkJREwMsAkCdkwd4Ieqw+x3TUyTsqY0YiBCtE6H6OzzgGk3iuZ3vFWRS+E8/d1g==
+
+"@typescript/typescript-win32-arm64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-win32-arm64/-/typescript-win32-arm64-7.0.2.tgz#b9de50a17196383f62620b5f9d0a2f34ad3b60d7"
+  integrity sha512-Gyl1Vy6OsWesLzmq+EP0Fb7b4Nid5232AvcA2SFcdYreldpNtYFFofPjnt62y9hQy7VTaZp65ICJjuAQRaVcIQ==
+
+"@typescript/typescript-win32-x64@7.0.2":
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/@typescript/typescript-win32-x64/-/typescript-win32-x64-7.0.2.tgz#cf3b7b0d6ce5635daca4c8e01c189cdcde47ec3c"
+  integrity sha512-0BQ3HkAHHlKLSp1qRvf3SUhGpGsDuhB/jgFw75guyqbxJqEaS0Cw/VFO8i2nHglJUzQCRtMMR/IBAKE3ETMC4g==
+
 acorn-jsx@^5.3.2:
   version "5.3.2"
   resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-5.3.2.tgz#7ed5bb55908b3b2f1bc55c6af1653bada7f07937"
@@ -447,10 +557,10 @@ brace-expansion@^1.1.7:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
 
-brace-expansion@^5.0.2:
-  version "5.0.2"
-  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-5.0.2.tgz#b6c16d0791087af6c2bc463f52a8142046c06b6f"
-  integrity sha512-Pdk8c9poy+YhOgVWw1JNN22/HcivgKWwpxKq04M/jTmHyCZn12WPJebZxdjSa5TmBqISrUSgNYU3eRORljfCCw==
+brace-expansion@^5.0.8:
+  version "5.0.9"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-5.0.9.tgz#7c72438809b5fa5babf54199a1f1c281a6984fcf"
+  integrity sha512-ScQ4IuvIEF1TMlP7Zt+vjJ//9zlPb2SDcxWxM3bk8s6t6GGdJ7KO1dCcTidOPJKePW30LE/2cT7wCyPho9/Wxg==
   dependencies:
     balanced-match "^4.0.2"
 
@@ -771,15 +881,15 @@ eslint-visitor-keys@^5.0.0, eslint-visitor-keys@^5.0.1:
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-5.0.1.tgz#9e3c9489697824d2d4ce3a8ad12628f91e9f59be"
   integrity sha512-tD40eHxA35h0PEIZNeIjkHoDR4YjjJp34biM0mDvplBe//mB+IHCqHDGV7pxF+7MklTvighcCPPZC7ynWyjdTA==
 
-eslint@^10.6.0:
-  version "10.6.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-10.6.0.tgz#e1b4059c582be950c7088c9b55f984738b243c27"
-  integrity sha512-6lVbcqSodALYo+4ELD0heG6lFiFxnLMuLkiMi2qV8LMp54N8tE8FT1GMH+ev4Ti00nFjNze2+Su6DsV5OQW3Dg==
+eslint@^10.8.0:
+  version "10.8.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-10.8.0.tgz#e6d19907a3f090a53a022261ba34c5ff6d04908b"
+  integrity sha512-nuKKvN+oIBO0koN7Tm7dlkmnkc21mtt0QJLwAKzjLq14y6lRTdVG36MZHJ8eQHwdJMwZbQNMlPOYedMq/oVJvQ==
   dependencies:
     "@eslint-community/eslint-utils" "^4.8.0"
     "@eslint-community/regexpp" "^4.12.2"
     "@eslint/config-array" "^0.23.5"
-    "@eslint/config-helpers" "^0.6.0"
+    "@eslint/config-helpers" "^0.7.0"
     "@eslint/core" "^1.2.1"
     "@eslint/plugin-kit" "^0.7.2"
     "@humanfs/node" "^0.16.6"
@@ -803,7 +913,7 @@ eslint@^10.6.0:
     imurmurhash "^0.1.4"
     is-glob "^4.0.0"
     json-stable-stringify-without-jsonify "^1.0.1"
-    minimatch "^10.2.4"
+    minimatch "^10.2.5"
     natural-compare "^1.4.0"
     optionator "^0.9.3"
 
@@ -1275,10 +1385,10 @@ js-tiktoken@^1.0.12:
   dependencies:
     base64-js "^1.5.1"
 
-js-yaml@^4.1.1:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.2.0.tgz#2bd9e85682dd91bd469afb809d816043b3d49524"
-  integrity sha512-ePWsvanv0DWuDRsW8dnt+R4jQ31SCRCQ7hhNcPXZPsoBZiemuZNYGf7adZdqX2D86j6rvKp3RpCxVTSb8WQlOw==
+js-yaml@^4.3.0:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-4.3.1.tgz#01216c001d67f48e2cd560d708c7af21090a3848"
+  integrity sha512-CY6crGq313MX8GkwvB7tzgp99vjQxY1++5y10/BKN/GUfHqWaOGQMNZkBvqSzsZKWk/ijwHlWzzkLulsGHhjWQ==
   dependencies:
     argparse "^2.0.1"
 
@@ -1338,12 +1448,12 @@ math-intrinsics@^1.1.0:
   resolved "https://registry.yarnpkg.com/math-intrinsics/-/math-intrinsics-1.1.0.tgz#a0dd74be81e2aa5c2f27e65ce283605ee4e2b7f9"
   integrity sha512-/IXtbwEk5HTPyEwyKX6hGkYXxM9nbj64B+ilVJnC/R6B0pH5G4V3b0pVbL7DBj4tkhBAppbQUlf6F6Xl9LHu1g==
 
-minimatch@^10.2.2, minimatch@^10.2.4:
-  version "10.2.4"
-  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-10.2.4.tgz#465b3accbd0218b8281f5301e27cedc697f96fde"
-  integrity sha512-oRjTw/97aTBN0RHbYCdtF1MQfvusSIBQM0IZEgzl6426+8jSC0nF1a/GmnVLpfB9yyr6g6FTqWqiZVbxrtaCIg==
+minimatch@^10.2.2, minimatch@^10.2.4, minimatch@^10.2.5:
+  version "10.2.6"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-10.2.6.tgz#fd956bbe0b77241e9f15ac5dccb1c638060968ef"
+  integrity sha512-vpLQEs+VLCr1nU0BXS07maYoFwlDAH0gngQuuttxIwutDFEMHq2blX+8vpgxDdK3J1PwjCJiep77OitTZ4Ll1A==
   dependencies:
-    brace-expansion "^5.0.2"
+    brace-expansion "^5.0.8"
 
 minimatch@^3.1.2, minimatch@^3.1.5:
   version "3.1.5"
@@ -1542,10 +1652,10 @@ prettier-linter-helpers@^1.0.1:
   dependencies:
     fast-diff "^1.1.2"
 
-prettier@^3.9.4:
-  version "3.9.4"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.9.4.tgz#a9c477cf1614376bd1f6bbc593d8c0d414bcec87"
-  integrity sha512-yWG/o/4oJfo036EKAfK6ACAoDOfHeRHx4tuxkfBZiauURiaSmYwlpOr5LQqKtIkRD2z1PLteme2WoxEnj4tHTg==
+prettier@^3.9.6:
+  version "3.9.6"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.9.6.tgz#b3ea5146515d40fc53f18aa63f74dfab1e10dbf6"
+  integrity sha512-OpN0zzVdiaiAhxpuuj5efpIS4sY9j7bY6uR5mnj5yPzGkdkjNKSJeUThPb60Jw29QuAZgA4o+/iB49kFiaBX6g==
 
 punycode@^2.1.0:
   version "2.3.1"
@@ -1798,17 +1908,17 @@ tsconfig-paths@^3.15.0:
     minimist "^1.2.6"
     strip-bom "^3.0.0"
 
-turbo@^2.10.2:
-  version "2.10.2"
-  resolved "https://registry.yarnpkg.com/turbo/-/turbo-2.10.2.tgz#7b8993242d550e3adf7f3245b231f663e5300ebf"
-  integrity sha512-wTExrNrRjB8qzIcg+ZLm0A3GFNLDsWNwdS/RBXB0FPrBDyzk3i96Yx+TxWZC7a0k1SIreFB8ciUbxjmEqTH8IQ==
+turbo@^2.10.8:
+  version "2.10.8"
+  resolved "https://registry.yarnpkg.com/turbo/-/turbo-2.10.8.tgz#09457cb7db79710586da455a29bccc05f15b1b72"
+  integrity sha512-9+8YX5QOkGXzZxcIykTHgaooRHGMWO+jfdyRK0o+rN0U7hBIig2MrJ8r/aNzIPDPhdA73SGb0O+tIztaModTMg==
   optionalDependencies:
-    "@turbo/darwin-64" "2.10.2"
-    "@turbo/darwin-arm64" "2.10.2"
-    "@turbo/linux-64" "2.10.2"
-    "@turbo/linux-arm64" "2.10.2"
-    "@turbo/windows-64" "2.10.2"
-    "@turbo/windows-arm64" "2.10.2"
+    "@turbo/darwin-64" "2.10.8"
+    "@turbo/darwin-arm64" "2.10.8"
+    "@turbo/linux-64" "2.10.8"
+    "@turbo/linux-arm64" "2.10.8"
+    "@turbo/windows-64" "2.10.8"
+    "@turbo/windows-arm64" "2.10.8"
 
 type-check@^0.4.0, type-check@~0.4.0:
   version "0.4.0"
@@ -1862,10 +1972,31 @@ typed-array-length@^1.0.7:
     possible-typed-array-names "^1.0.0"
     reflect.getprototypeof "^1.0.6"
 
-typescript@^6.0.3:
-  version "6.0.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-6.0.3.tgz#90251dc007916e972786cb94d74d15b185577d21"
-  integrity sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==
+typescript@^7.0.2:
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-7.0.2.tgz#9ec773d7954a8c182c17cc5bbd575aa28bc51582"
+  integrity sha512-8FYau96o3NKOhbjKi/qNvG/W5jhzxkbdm5sj9AbZ/5T5sWqn3hJgLfGx27sRKZWTvyzCP8dLRBTf5tBTSRVUNA==
+  optionalDependencies:
+    "@typescript/typescript-aix-ppc64" "7.0.2"
+    "@typescript/typescript-darwin-arm64" "7.0.2"
+    "@typescript/typescript-darwin-x64" "7.0.2"
+    "@typescript/typescript-freebsd-arm64" "7.0.2"
+    "@typescript/typescript-freebsd-x64" "7.0.2"
+    "@typescript/typescript-linux-arm" "7.0.2"
+    "@typescript/typescript-linux-arm64" "7.0.2"
+    "@typescript/typescript-linux-loong64" "7.0.2"
+    "@typescript/typescript-linux-mips64el" "7.0.2"
+    "@typescript/typescript-linux-ppc64" "7.0.2"
+    "@typescript/typescript-linux-riscv64" "7.0.2"
+    "@typescript/typescript-linux-s390x" "7.0.2"
+    "@typescript/typescript-linux-x64" "7.0.2"
+    "@typescript/typescript-netbsd-arm64" "7.0.2"
+    "@typescript/typescript-netbsd-x64" "7.0.2"
+    "@typescript/typescript-openbsd-arm64" "7.0.2"
+    "@typescript/typescript-openbsd-x64" "7.0.2"
+    "@typescript/typescript-sunos-x64" "7.0.2"
+    "@typescript/typescript-win32-arm64" "7.0.2"
+    "@typescript/typescript-win32-x64" "7.0.2"
 
 unbox-primitive@^1.1.0:
   version "1.1.0"

libs/cli/langgraph_cli/cli.py

@@ -15,11 +15,7 @@ from langgraph_cli.analytics import log_command
 from langgraph_cli.config import Config
 from langgraph_cli.constants import DEFAULT_CONFIG, DEFAULT_PORT
 from langgraph_cli.deploy import deploy
-from langgraph_cli.docker import (
-    DockerCapabilities,
-    build_docker_image,
-    get_config_to_docker_build_context,
-)
+from langgraph_cli.docker import DockerCapabilities, build_docker_image
 from langgraph_cli.exec import Runner, subp_exec
 from langgraph_cli.progress import Progress
 from langgraph_cli.templates import TEMPLATE_HELP_STRING, create_new
@@ -550,14 +546,6 @@ tests
 )
 @OPT_API_VERSION
 @OPT_ENGINE_RUNTIME_MODE
-@click.option(
-    "--install-command",
-    help="Custom install command to run from the build context root. If not provided, auto-detects based on package manager files.",
-)
-@click.option(
-    "--build-command",
-    help="Custom build command to run from the langgraph.json directory. If not provided, uses default build process.",
-)
 @log_command
 def dockerfile(
     save_path: str,
@@ -566,24 +554,9 @@ def dockerfile(
     base_image: str | None = None,
     api_version: str | None = None,
     engine_runtime_mode: str = "combined_queue_worker",
-    install_command: str | None = None,
-    build_command: str | None = None,
 ) -> None:
     from click import secho
 
-    if install_command and langgraph_cli.config.has_disallowed_build_command_content(
-        install_command
-    ):
-        raise click.UsageError(
-            "install_command contains disallowed characters or patterns."
-        )
-    if build_command and langgraph_cli.config.has_disallowed_build_command_content(
-        build_command
-    ):
-        raise click.UsageError(
-            "build_command contains disallowed characters or patterns."
-        )
-
     save_path = pathlib.Path(save_path).absolute()
     secho(f"🔍 Validating configuration at path: {config}", fg="yellow")
     config_json = langgraph_cli.config.validate_config_file(config)
@@ -596,21 +569,12 @@ def dockerfile(
             config_json, engine_runtime_mode=engine_runtime_mode
         )
 
-    build_context = get_config_to_docker_build_context(
-        config_json,
-        install_command=install_command,
-        build_command=build_command,
-    )
-
     secho(f"📝 Generating Dockerfile at {save_path}", fg="yellow")
     dockerfile_content, additional_contexts = langgraph_cli.config.config_to_docker(
         config_path=config,
         config=config_json,
         base_image=effective_base_image,
         api_version=api_version,
-        install_command=install_command,
-        build_command=build_command,
-        build_context=build_context,
     )
     with open(str(save_path), "w", encoding="utf-8") as f:
         f.write(dockerfile_content)

libs/cli/langgraph_cli/docker.py

@@ -330,20 +330,6 @@ def compose(
     return compose_str
 
 
-def get_config_to_docker_build_context(
-    config_json: dict,
-    install_command: str | None = None,
-    build_command: str | None = None,
-) -> str | None:
-    """Return the build context passed to config_to_docker, if overridden."""
-    is_js_project = config_json.get("node_version") and not config_json.get(
-        "python_version"
-    )
-    if is_js_project and (build_command or install_command):
-        return str(pathlib.Path.cwd())
-    return None
-
-
 def build_docker_image(
     runner,
     set: Callable[[str], None],
@@ -379,12 +365,16 @@ def build_docker_image(
         "-t",
         tag,
     ]
-    config_to_docker_build_context = get_config_to_docker_build_context(
-        config_json,
-        install_command=install_command,
-        build_command=build_command,
+    # determine build context: use current directory for JS projects, config parent for Python
+    is_js_project = config_json.get("node_version") and not config_json.get(
+        "python_version"
     )
-    build_context = config_to_docker_build_context or str(config.parent)
+    # build/install commands only apply to JS projects for now
+    # without install/build command, JS projects will follow the old behavior
+    if is_js_project and (build_command or install_command):
+        build_context = str(pathlib.Path.cwd())
+    else:
+        build_context = str(config.parent)
 
     # Deep copy to avoid mutating the caller's config (config_to_docker
     # rewrites graph paths to container-internal paths in place).
@@ -396,7 +386,7 @@ def build_docker_image(
         api_version=api_version,
         install_command=install_command,
         build_command=build_command,
-        build_context=config_to_docker_build_context,
+        build_context=build_context,
     )
     # add additional_contexts
     if additional_contexts:

libs/cli/langgraph_cli/uv_lock.py

@@ -970,6 +970,22 @@ def python_config_to_docker_uv_lock(
             f"{uv_export_project_dir}/uv.lock",
         )
     )
+    for package_root in sorted(
+        plan.all_workspace_roots,
+        key=lambda root: root.as_posix(),
+    ):
+        if package_root == plan.project_root:
+            continue
+        package_relative_path = pathlib.PurePosixPath(
+            package_root.relative_to(plan.project_root).as_posix()
+        )
+        package_pyproject_path = package_relative_path / "pyproject.toml"
+        docker_plan.add_raw(
+            copy_from_project_root(
+                package_pyproject_path,
+                f"{uv_export_project_dir}/{package_pyproject_path.as_posix()}",
+            )
+        )
     docker_plan.add_instruction("WORKDIR", uv_export_project_dir)
     docker_plan.add_instruction(
         "RUN",

libs/cli/pyproject.toml

@@ -72,9 +72,15 @@ lint.select = [
   "UP", # pyupgrade
   "B",  # flake8-bugbear
   "I",  # isort
+  "PLC0415",  # import-outside-top-level
+  "RUF100",  # unused noqa directive
   "UP", # pyupgrade
 ]
 lint.ignore = ["E501", "B008"]
+# PLC0415 (import-outside-top-level) is enforced in tests only. Library code
+# still has deferred imports that have not been reviewed, so it stays exempt
+# for now.
+lint.per-file-ignores = { "langgraph_cli/**" = ["PLC0415"], "generate_schema.py" = ["PLC0415"] }
 target-version = "py310"
 
 [tool.ty.rules]

libs/cli/tests/unit_tests/cli/test_cli.py

@@ -1088,82 +1088,6 @@ def test_dockerfile_command_with_api_version_nodejs() -> None:
             assert "FROM langchain/langgraphjs-api:0.2.74-node20" in dockerfile
 
 
-def test_dockerfile_command_nodejs_monorepo_commands() -> None:
-    runner = CliRunner()
-
-    with runner.isolated_filesystem():
-        root = pathlib.Path.cwd()
-        config_dir = root / "apps" / "agent"
-        graph_path = config_dir / "src" / "agent.ts"
-        graph_path.parent.mkdir(parents=True)
-        graph_path.touch()
-        (root / "package.json").write_text(
-            json.dumps({"packageManager": "pnpm@10.0.0"})
-        )
-        (root / "pnpm-lock.yaml").touch()
-        (root / "pnpm-workspace.yaml").write_text('packages:\n  - "apps/*"\n')
-        config_path = config_dir / "langgraph.json"
-        config_path.write_text(
-            json.dumps(
-                {
-                    "node_version": "20",
-                    "graphs": {"agent": "src/agent.ts:graph"},
-                    "image_distro": "wolfi",
-                }
-            )
-        )
-        save_path = root / "Dockerfile"
-
-        result = runner.invoke(
-            cli,
-            [
-                "dockerfile",
-                str(save_path),
-                "--config",
-                str(config_path),
-                "--install-command",
-                "pnpm install --frozen-lockfile",
-                "--build-command",
-                "pnpm run build",
-            ],
-        )
-
-        assert result.exit_code == 0, result.output
-        assert save_path.exists()
-        dockerfile = save_path.read_text()
-        container_root = f"/deps/{root.name}"
-        assert f"ADD . {container_root}" in dockerfile
-        assert f"WORKDIR {container_root}" in dockerfile
-        assert "RUN pnpm install --frozen-lockfile" in dockerfile
-        assert f"WORKDIR {container_root}/apps/agent" in dockerfile
-        assert "RUN pnpm run build" in dockerfile
-
-
-def test_dockerfile_command_rejects_disallowed_nodejs_commands() -> None:
-    runner = CliRunner()
-    config_content = {
-        "node_version": "20",
-        "graphs": {"agent": "agent.js:graph"},
-    }
-
-    with temporary_config_folder(config_content) as temp_dir:
-        (temp_dir / "agent.js").touch()
-        for option in ("--install-command", "--build-command"):
-            result = runner.invoke(
-                cli,
-                [
-                    "dockerfile",
-                    str(temp_dir / "Dockerfile"),
-                    "--config",
-                    str(temp_dir / "config.json"),
-                    option,
-                    "npm install; echo bad",
-                ],
-            )
-            assert result.exit_code != 0
-            assert "contains disallowed characters or patterns" in result.output
-
-
 def test_build_command_with_api_version() -> None:
     """Test the 'build' command with --api-version flag."""
     runner = CliRunner()

libs/cli/tests/unit_tests/test_archive.py

@@ -11,6 +11,7 @@ from langgraph_cli.archive import (
     _tar_filter,
     create_archive,
 )
+from langgraph_cli.config import LocalDeps
 
 # ---------------------------------------------------------------------------
 # _tar_filter
@@ -198,7 +199,6 @@ class TestCreateArchive:
 
     @patch("langgraph_cli.archive._assemble_local_deps")
     def test_yields_archive_with_config(self, mock_deps, tmp_path):
-        from langgraph_cli.config import LocalDeps
 
         config_file = self._make_project(tmp_path)
         mock_deps.return_value = LocalDeps(
@@ -218,7 +218,6 @@ class TestCreateArchive:
 
     @patch("langgraph_cli.archive._assemble_local_deps")
     def test_excludes_pycache(self, mock_deps, tmp_path):
-        from langgraph_cli.config import LocalDeps
 
         config_file = self._make_project(tmp_path)
         mock_deps.return_value = LocalDeps(
@@ -232,7 +231,6 @@ class TestCreateArchive:
 
     @patch("langgraph_cli.archive._assemble_local_deps")
     def test_cleans_up_tmp_dir_on_normal_exit(self, mock_deps, tmp_path):
-        from langgraph_cli.config import LocalDeps
 
         config_file = self._make_project(tmp_path)
         mock_deps.return_value = LocalDeps(
@@ -247,7 +245,6 @@ class TestCreateArchive:
 
     @patch("langgraph_cli.archive._assemble_local_deps")
     def test_cleans_up_tmp_dir_on_exception(self, mock_deps, tmp_path):
-        from langgraph_cli.config import LocalDeps
 
         config_file = self._make_project(tmp_path)
         mock_deps.return_value = LocalDeps(
@@ -264,7 +261,6 @@ class TestCreateArchive:
     @patch("langgraph_cli.archive._assemble_local_deps")
     @patch("langgraph_cli.archive._MAX_SIZE", 10)
     def test_raises_on_oversized_archive(self, mock_deps, tmp_path):
-        from langgraph_cli.config import LocalDeps
 
         config_file = self._make_project(tmp_path)
         mock_deps.return_value = LocalDeps(
@@ -278,7 +274,6 @@ class TestCreateArchive:
     @patch("langgraph_cli.archive._assemble_local_deps")
     def test_handles_extra_contexts(self, mock_deps, tmp_path):
         """Monorepo case: project + sibling dependency directory."""
-        from langgraph_cli.config import LocalDeps
 
         project = tmp_path / "myproject"
         project.mkdir()

libs/cli/tests/unit_tests/test_config.py

@@ -1403,6 +1403,19 @@ def test_config_to_docker_uv_lock():
             "COPY --from=uv-workspace-root uv.lock /tmp/uv_export/project/uv.lock"
             in docker
         )
+        workspace_pyprojects = [
+            "apps/agent/pyproject.toml",
+            "libs/extra/pyproject.toml",
+            "libs/shared/pyproject.toml",
+        ]
+        export_instruction = "RUN uv export --package agent"
+        for pyproject_path in workspace_pyprojects:
+            copy_instruction = (
+                "COPY --from=uv-workspace-root "
+                f"{pyproject_path} /tmp/uv_export/project/{pyproject_path}"
+            )
+            assert copy_instruction in docker
+            assert docker.index(copy_instruction) < docker.index(export_instruction)
         assert additional_contexts == {"uv-workspace-root": str(project_root.resolve())}
 
         assert (

libs/cli/tests/unit_tests/test_deploy_helpers.py

@@ -347,7 +347,6 @@ class TestCallHostBackendWithOptionalTenant:
 
     def test_workspace_prompt_blocked_by_no_input(self, monkeypatch):
         """With _no_input=True, 403 requiring workspace should raise ClickException."""
-        import langgraph_cli.deploy as deploy_mod
 
         monkeypatch.setattr(deploy_mod, "_no_input", True)
 
@@ -515,7 +514,6 @@ class TestEmitterTextMode:
 
 class TestCreateHostBackendClientNoInput:
     def test_raises_when_no_api_key_and_no_input(self, monkeypatch, tmp_path):
-        import langgraph_cli.deploy as deploy_mod
 
         monkeypatch.setattr(deploy_mod, "_no_input", True)
         monkeypatch.delenv("LANGSMITH_API_KEY", raising=False)
@@ -530,7 +528,6 @@ class TestCreateHostBackendClientNoInput:
             )
 
     def test_succeeds_with_api_key_in_env(self, monkeypatch, tmp_path):
-        import langgraph_cli.deploy as deploy_mod
 
         monkeypatch.setattr(deploy_mod, "_no_input", True)
         monkeypatch.setenv("LANGSMITH_API_KEY", "lsv2_test")

libs/cli/uv-examples/monorepo/uv.lock

@@ -266,20 +266,20 @@ wheels = [
 
 [[package]]
 name = "langgraph-checkpoint"
-version = "4.0.1"
+version = "4.2.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "langchain-core" },
     { name = "ormsgpack" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/b1/44/a8df45d1e8b4637e29789fa8bae1db022c953cc7ac80093cfc52e923547e/langgraph_checkpoint-4.0.1.tar.gz", hash = "sha256:b433123735df11ade28829e40ce25b9be614930cd50245ff2af60629234befd9", size = 158135, upload-time = "2026-02-27T21:06:16.092Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/dc/e1/089c4c9e0a2fec7f883f82ae8e6a727138d50074cfeb6644bc2d13b1019b/langgraph_checkpoint-4.2.0.tar.gz", hash = "sha256:51a593b6bee684b0818e5d6e58e28ab340c6db7794575056ce7bd1b746a84ed7", size = 180239, upload-time = "2026-08-07T20:05:03.756Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/65/4c/09a4a0c42f5d2fc38d6c4d67884788eff7fd2cfdf367fdf7033de908b4c0/langgraph_checkpoint-4.0.1-py3-none-any.whl", hash = "sha256:e3adcd7a0e0166f3b48b8cf508ce0ea366e7420b5a73aa81289888727769b034", size = 50453, upload-time = "2026-02-27T21:06:14.293Z" },
+    { url = "https://files.pythonhosted.org/packages/05/71/3b475f09bd57d3a5649792c66353312b4432afd843f301739dfcebd157f0/langgraph_checkpoint-4.2.0-py3-none-any.whl", hash = "sha256:0547fd228935a0b758865de3a3d6d7a2537c308895d0f9ab092ce9151b5da942", size = 56833, upload-time = "2026-08-07T20:05:02.655Z" },
 ]
 
 [[package]]
 name = "langgraph-checkpoint-postgres"
-version = "3.0.5"
+version = "3.1.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "langgraph-checkpoint" },
@@ -287,9 +287,9 @@ dependencies = [
     { name = "psycopg" },
     { name = "psycopg-pool" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/95/7a/8f439966643d32111248a225e6cb33a182d07c90de780c4dbfc1e0377832/langgraph_checkpoint_postgres-3.0.5.tar.gz", hash = "sha256:a8fd7278a63f4f849b5cbc7884a15ca8f41e7d5f7467d0a66b31e8c24492f7eb", size = 127856, upload-time = "2026-03-18T21:25:29.785Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/06/92/1e8959f8cd1b56e672fde3227f6fd642be85af6c5fd662d73921074aa39d/langgraph_checkpoint_postgres-3.1.1.tar.gz", hash = "sha256:d320e147ddad8c374cd546df0b52b532dd54d0541dd9fd23fc738cbd5de76f41", size = 150413, upload-time = "2026-07-30T19:15:39.014Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/e8/87/b0f98b33a67204bca9d5619bcd9574222f6b025cf3c125eedcec9a50ecbc/langgraph_checkpoint_postgres-3.0.5-py3-none-any.whl", hash = "sha256:86d7040a88fd70087eaafb72251d796696a0a2d856168f5c11ef620771411552", size = 42907, upload-time = "2026-03-18T21:25:28.75Z" },
+    { url = "https://files.pythonhosted.org/packages/03/32/ba457698a48a0e18d786caa770033067049fbe36d6846f8e50f13b594b51/langgraph_checkpoint_postgres-3.1.1-py3-none-any.whl", hash = "sha256:6e353aecd8150de144fef8e51a49076f58b7d6830d4cf51392b7ad4d79832ba7", size = 50778, upload-time = "2026-07-30T19:15:37.405Z" },
 ]
 
 [[package]]

libs/cli/uv.lock

@@ -158,7 +158,7 @@ name = "blockbuster"
 version = "1.5.26"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "forbiddenfruit", marker = "python_full_version >= '3.11' and implementation_name == 'cpython'" },
+    { name = "forbiddenfruit", marker = "implementation_name == 'cpython'" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/55/e0/dcbab602790a576b0b94108c07e2c048e5897df7cc83722a89582d733987/blockbuster-1.5.26.tar.gz", hash = "sha256:cc3ce8c70fa852a97ee3411155f31e4ad2665cd1c6c7d2f8bb1851dab61dc629", size = 36085, upload-time = "2025-12-05T10:43:47.735Z" }
 wheels = [
@@ -384,11 +384,11 @@ wheels = [
 
 [[package]]
 name = "codespell"
-version = "2.4.2"
+version = "2.4.3"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/2d/9d/1d0903dff693160f893ca6abcabad545088e7a2ee0a6deae7c24e958be69/codespell-2.4.2.tar.gz", hash = "sha256:3c33be9ae34543807f088aeb4832dfad8cb2dae38da61cac0a7045dd376cfdf3", size = 352058, upload-time = "2026-03-05T18:10:42.936Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/80/19/45e941380f69c042b43423513d201e6592346f992394347f5e7174c31407/codespell-2.4.3.tar.gz", hash = "sha256:cbe085e331227b37bb86ef8bddd08dc768c704ee9a07ca869852c093fa2793e2", size = 352773, upload-time = "2026-07-15T11:51:54.159Z" }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/8b/bf/bdb951d34eb169140b546f44be9ec4525d1acefb9eb5572071f5492b19fc/codespell-2.4.3-py3-none-any.whl", hash = "sha256:af2505b335e8573dbd2d384d1c4ef498f4006f4ba2d6fceca01e55b91f52628a", size = 340736, upload-time = "2026-07-15T11:51:52.925Z" },
 ]
 
 [[package]]
@@ -405,7 +405,7 @@ name = "croniter"
 version = "6.2.2"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "python-dateutil", marker = "python_full_version >= '3.11'" },
+    { name = "python-dateutil" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/df/de/5832661ed55107b8a09af3f0a2e71e0957226a59eb1dcf0a445cce6daf20/croniter-6.2.2.tar.gz", hash = "sha256:ba60832a5ec8e12e51b8691c3309a113d1cf6526bdf1a48150ce8ec7a532d0ab", size = 113762, upload-time = "2026-03-15T08:43:48.112Z" }
 wheels = [
@@ -414,62 +414,59 @@ wheels = [
 
 [[package]]
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-version = "48.0.1"
+version = "50.0.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "cffi", marker = "platform_python_implementation != 'PyPy'" },
     { name = "typing-extensions", marker = "python_full_version < '3.11'" },
 ]
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 ]
 
 [[package]]
@@ -2229,7 +2226,7 @@ name = "typing-inspection"
 version = "0.4.2"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "typing-extensions", marker = "python_full_version >= '3.11'" },
+    { name = "typing-extensions" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/55/e3/70399cb7dd41c10ac53367ae42139cf4b1ca5f36bb3dc6c9d33acdb43655/typing_inspection-0.4.2.tar.gz", hash = "sha256:ba561c48a67c5958007083d386c3295464928b01faa735ab8547c5692e87f464", size = 75949, upload-time = "2025-10-01T02:14:41.687Z" }
 wheels = [
@@ -2317,8 +2314,8 @@ name = "uvicorn"
 version = "0.44.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "click", marker = "python_full_version >= '3.11'" },
-    { name = "h11", marker = "python_full_version >= '3.11'" },
+    { name = "click" },
+    { name = "h11" },
 ]
 sdist = { url = "https://files.pythonhosted.org/packages/5e/da/6eee1ff8b6cbeed47eeb5229749168e81eb4b7b999a1a15a7176e51410c9/uvicorn-0.44.0.tar.gz", hash = "sha256:6c942071b68f07e178264b9152f1f16dfac5da85880c4ce06366a96d70d4f31e", size = 86947, upload-time = "2026-04-06T09:23:22.826Z" }
 wheels = [
@@ -2422,7 +2419,7 @@ name = "watchfiles"
 version = "1.1.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "anyio", marker = "python_full_version >= '3.11'" },
+    { name = "anyio" },
 ]
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 wheels = [

libs/langgraph/langgraph/_internal/_pydantic.py

@@ -68,7 +68,7 @@ def _create_root_model(
 
     def schema(
         cls: type[BaseModel],
-        by_alias: bool = True,  # noqa: FBT001,FBT002
+        by_alias: bool = True,
         ref_template: str = DEFAULT_REF_TEMPLATE,
     ) -> dict[str, Any]:
         # Complains about schema not being defined in superclass
@@ -80,7 +80,7 @@ def _create_root_model(
 
     def model_json_schema(
         cls: type[BaseModel],
-        by_alias: bool = True,  # noqa: FBT001,FBT002
+        by_alias: bool = True,
         ref_template: str = DEFAULT_REF_TEMPLATE,
         schema_generator: type[GenerateJsonSchema] = GenerateJsonSchema,
         mode: JsonSchemaMode = "validation",

libs/langgraph/langgraph/_internal/_runnable.py

@@ -3,6 +3,7 @@ from __future__ import annotations
 import asyncio
 import enum
 import inspect
+import logging
 import sys
 import warnings
 from collections.abc import (
@@ -63,6 +64,26 @@ try:
 except ImportError:
     _StreamingCallbackHandler = None  # type: ignore
 
+logger = logging.getLogger(__name__)
+
+
+def _trace_payload(value: Any, transform: Callable[[Any], Any] | None) -> Any:
+    """Return the payload to record on a run for `value`.
+
+    When `transform` is unset this is a passthrough, so unspecified nodes record exactly
+    as before. When set it always runs (regardless of tracing), but never affects
+    execution: if it raises, the untransformed value is recorded instead.
+    """
+    if transform is None:
+        return value
+    try:
+        return transform(value)
+    except Exception:
+        logger.exception(
+            "trace input/output processor raised; recording untransformed payload"
+        )
+        return value
+
 
 def _set_config_context(
     config: RunnableConfig, run: Any = None
@@ -572,6 +593,7 @@ class RunnableSeq(Runnable):
         *steps: RunnableLike,
         name: str | None = None,
         trace_inputs: Callable[[Any], Any] | None = None,
+        trace_outputs: Callable[[Any], Any] | None = None,
     ) -> None:
         """Create a new RunnableSeq.
 
@@ -597,6 +619,7 @@ class RunnableSeq(Runnable):
         self.steps = steps_flat
         self.name = name
         self.trace_inputs = trace_inputs
+        self.trace_outputs = trace_outputs
 
     def __or__(
         self,
@@ -658,7 +681,7 @@ class RunnableSeq(Runnable):
         # start the root run
         run_manager = callback_manager.on_chain_start(
             None,
-            self.trace_inputs(input) if self.trace_inputs is not None else input,
+            _trace_payload(input, self.trace_inputs),
             name=config.get("run_name") or self.get_name(),
             run_id=config.pop("run_id", None),
         )
@@ -689,7 +712,7 @@ class RunnableSeq(Runnable):
             run_manager.on_chain_error(e)
             raise
         else:
-            run_manager.on_chain_end(input)
+            run_manager.on_chain_end(_trace_payload(input, self.trace_outputs))
             return input
 
     async def ainvoke(
@@ -705,7 +728,7 @@ class RunnableSeq(Runnable):
         # start the root run
         run_manager = await callback_manager.on_chain_start(
             None,
-            self.trace_inputs(input) if self.trace_inputs is not None else input,
+            _trace_payload(input, self.trace_inputs),
             name=config.get("run_name") or self.get_name(),
             run_id=config.pop("run_id", None),
         )
@@ -742,7 +765,7 @@ class RunnableSeq(Runnable):
             await run_manager.on_chain_error(e)
             raise
         else:
-            await run_manager.on_chain_end(input)
+            await run_manager.on_chain_end(_trace_payload(input, self.trace_outputs))
             return input
 
     def stream(
@@ -758,7 +781,7 @@ class RunnableSeq(Runnable):
         # start the root run
         run_manager = callback_manager.on_chain_start(
             None,
-            self.trace_inputs(input) if self.trace_inputs is not None else input,
+            _trace_payload(input, self.trace_inputs),
             name=config.get("run_name") or self.get_name(),
             run_id=config.pop("run_id", None),
         )
@@ -803,7 +826,7 @@ class RunnableSeq(Runnable):
                 run_manager.on_chain_error(e)
                 raise
             else:
-                run_manager.on_chain_end(output)
+                run_manager.on_chain_end(_trace_payload(output, self.trace_outputs))
 
     async def astream(
         self,
@@ -818,7 +841,7 @@ class RunnableSeq(Runnable):
         # start the root run
         run_manager = await callback_manager.on_chain_start(
             None,
-            self.trace_inputs(input) if self.trace_inputs is not None else input,
+            _trace_payload(input, self.trace_inputs),
             name=config.get("run_name") or self.get_name(),
             run_id=config.pop("run_id", None),
         )
@@ -873,7 +896,9 @@ class RunnableSeq(Runnable):
                     await run_manager.on_chain_error(e)
                     raise
                 else:
-                    await run_manager.on_chain_end(output)
+                    await run_manager.on_chain_end(
+                        _trace_payload(output, self.trace_outputs)
+                    )
         else:
             try:
                 async with AsyncExitStack() as stack:
@@ -903,7 +928,9 @@ class RunnableSeq(Runnable):
                 await run_manager.on_chain_error(e)
                 raise
             else:
-                await run_manager.on_chain_end(output)
+                await run_manager.on_chain_end(
+                    _trace_payload(output, self.trace_outputs)
+                )
 
 
 def _consume_iter(it: Iterator[Any]) -> Any:

libs/langgraph/langgraph/_internal/_serde.py

@@ -22,7 +22,7 @@ from pydantic import BaseModel
 from typing_extensions import NotRequired, Required, is_typeddict
 
 try:
-    from langgraph.checkpoint.serde._msgpack import (  # noqa: F401
+    from langgraph.checkpoint.serde._msgpack import (
         STRICT_MSGPACK_ENABLED,
     )
 except ImportError:

libs/langgraph/langgraph/errors.py

@@ -7,7 +7,7 @@ from typing import Any, Literal
 from warnings import warn
 
 # EmptyChannelError is re-exported from langgraph.channels.base
-from langgraph.checkpoint.base import EmptyChannelError  # noqa: F401
+from langgraph.checkpoint.base import EmptyChannelError
 from typing_extensions import deprecated
 
 from langgraph.types import Command, Interrupt

libs/langgraph/langgraph/graph/_node.py

@@ -9,7 +9,13 @@ from langgraph.store.base import BaseStore
 
 from langgraph._internal._typing import EMPTY_SEQ
 from langgraph.runtime import Runtime
-from langgraph.types import CachePolicy, RetryPolicy, StreamWriter, TimeoutPolicy
+from langgraph.types import (
+    CachePolicy,
+    RetryPolicy,
+    StreamWriter,
+    TimeoutPolicy,
+    TracePolicy,
+)
 from langgraph.typing import ContextT, NodeInputT, NodeInputT_contra
 
 
@@ -93,3 +99,5 @@ class StateNodeSpec(Generic[NodeInputT, ContextT]):
     ends: tuple[str, ...] | dict[str, str] | None = EMPTY_SEQ
     defer: bool = False
     timeout: TimeoutPolicy | None = None
+    trace_policy: TracePolicy | None = None
+    """Optional policy controlling what this node records on its trace run."""

libs/langgraph/langgraph/graph/state.py

@@ -85,6 +85,7 @@ from langgraph.types import (
     RetryPolicy,
     Send,
     TimeoutPolicy,
+    TracePolicy,
     ensure_valid_checkpointer,
 )
 from langgraph.typing import ContextT, InputT, NodeInputT, OutputT, StateT
@@ -384,6 +385,7 @@ class StateGraph(Generic[StateT, ContextT, InputT, OutputT]):
         error_handler: StateNode[Any, ContextT] | None = None,
         destinations: dict[str, str] | tuple[str, ...] | None = None,
         timeout: float | timedelta | TimeoutPolicy | None = None,
+        trace_policy: TracePolicy | None = None,
         **kwargs: Unpack[DeprecatedKwargs],
     ) -> Self:
         """Add a new node to the `StateGraph`, input schema is inferred as the state schema.
@@ -453,6 +455,7 @@ class StateGraph(Generic[StateT, ContextT, InputT, OutputT]):
         error_handler: StateNode[Any, ContextT] | None = None,
         destinations: dict[str, str] | tuple[str, ...] | None = None,
         timeout: float | timedelta | TimeoutPolicy | None = None,
+        trace_policy: TracePolicy | None = None,
         **kwargs: Unpack[DeprecatedKwargs],
     ) -> Self:
         """Add a new node to the `StateGraph` where input schema is specified.
@@ -527,6 +530,7 @@ class StateGraph(Generic[StateT, ContextT, InputT, OutputT]):
         error_handler: StateNode[Any, ContextT] | None = None,
         destinations: dict[str, str] | tuple[str, ...] | None = None,
         timeout: float | timedelta | TimeoutPolicy | None = None,
+        trace_policy: TracePolicy | None = None,
         **kwargs: Unpack[DeprecatedKwargs],
     ) -> Self:
         """Add a new node to the `StateGraph`, input schema is inferred as the state schema.
@@ -596,6 +600,7 @@ class StateGraph(Generic[StateT, ContextT, InputT, OutputT]):
         error_handler: StateNode[Any, ContextT] | None = None,
         destinations: dict[str, str] | tuple[str, ...] | None = None,
         timeout: float | timedelta | TimeoutPolicy | None = None,
+        trace_policy: TracePolicy | None = None,
         **kwargs: Unpack[DeprecatedKwargs],
     ) -> Self:
         """Add a new node to the `StateGraph`, input schema is specified.
@@ -672,6 +677,7 @@ class StateGraph(Generic[StateT, ContextT, InputT, OutputT]):
         error_handler: StateNode[Any, ContextT] | None = None,
         destinations: dict[str, str] | tuple[str, ...] | None = None,
         timeout: float | timedelta | TimeoutPolicy | None = None,
+        trace_policy: TracePolicy | None = None,
         **kwargs: Unpack[DeprecatedKwargs],
     ) -> Self:
         """Add a new node to the `StateGraph`.
@@ -691,6 +697,10 @@ class StateGraph(Generic[StateT, ContextT, InputT, OutputT]):
                 If a sequence is provided, the first matching policy will be applied.
             cache_policy: The cache policy for the node.
             error_handler: Optional node-level error handler callable for this node.
+            trace_policy: Optional policy controlling how this node's run is traced. Its
+                `process_inputs` callable transforms the node's input before it is
+                recorded (e.g. to omit or summarize large message history) without
+                changing the value passed to the node. Does not affect execution.
             destinations: Destinations that indicate where a node can route to.
 
                 Useful for edgeless graphs with nodes that return `Command` objects.
@@ -880,6 +890,7 @@ class StateGraph(Generic[StateT, ContextT, InputT, OutputT]):
                 ends=ends,
                 defer=defer,
                 timeout=timeout,
+                trace_policy=trace_policy,
             )
         elif inferred_input_schema is not None:
             self.nodes[node] = StateNodeSpec(
@@ -892,6 +903,7 @@ class StateGraph(Generic[StateT, ContextT, InputT, OutputT]):
                 ends=ends,
                 defer=defer,
                 timeout=timeout,
+                trace_policy=trace_policy,
             )
         else:
             self.nodes[node] = StateNodeSpec[StateT, ContextT](
@@ -904,6 +916,7 @@ class StateGraph(Generic[StateT, ContextT, InputT, OutputT]):
                 ends=ends,
                 defer=defer,
                 timeout=timeout,
+                trace_policy=trace_policy,
             )
 
         input_schema = input_schema or inferred_input_schema
@@ -995,7 +1008,7 @@ class StateGraph(Generic[StateT, ContextT, InputT, OutputT]):
             Without type hints on the `path` function's return value (e.g., `-> Literal["foo", "__end__"]:`)
             or a path_map, the graph visualization assumes the edge could transition to any node in the graph.
 
-        """  # noqa: E501
+        """
         if self.compiled:
             logger.warning(
                 "Adding an edge to a graph that has already been compiled. This will "
@@ -1530,6 +1543,7 @@ class CompiledStateGraph(
                 error_handler_node=node.error_handler_node,
                 bound=node.runnable,  # type: ignore[arg-type]
                 timeout=node.timeout,
+                trace_policy=node.trace_policy,
             )
         else:
             raise RuntimeError

libs/langgraph/langgraph/pregel/_read.py

@@ -16,7 +16,7 @@ from langgraph._internal._timeout import coerce_timeout_policy
 from langgraph.pregel._utils import find_subgraph_pregel
 from langgraph.pregel._write import ChannelWrite
 from langgraph.pregel.protocol import PregelProtocol
-from langgraph.types import CachePolicy, RetryPolicy, TimeoutPolicy
+from langgraph.types import CachePolicy, RetryPolicy, TimeoutPolicy, TracePolicy
 
 READ_TYPE = Callable[[str | Sequence[str], bool], Any | dict[str, Any]]
 INPUT_CACHE_KEY_TYPE = tuple[Callable[..., Any], tuple[str, ...]]
@@ -138,6 +138,9 @@ class PregelNode:
     metadata: Mapping[str, Any] | None
     """Metadata to attach to the node for tracing."""
 
+    trace_policy: TracePolicy | None
+    """Optional policy controlling what this node records on its trace run."""
+
     is_error_handler: bool
     """Whether this node is registered as an error handler node."""
 
@@ -156,6 +159,7 @@ class PregelNode:
         writers: list[Runnable] | None = None,
         tags: list[str] | None = None,
         metadata: Mapping[str, Any] | None = None,
+        trace_policy: TracePolicy | None = None,
         bound: Runnable[Any, Any] | None = None,
         retry_policy: RetryPolicy | Sequence[RetryPolicy] | None = None,
         cache_policy: CachePolicy | None = None,
@@ -177,6 +181,7 @@ class PregelNode:
         self.timeout = coerce_timeout_policy(timeout)
         self.tags = tags
         self.metadata = metadata
+        self.trace_policy = trace_policy
         self.is_error_handler = is_error_handler
         self.error_handler_node = error_handler_node
         if subgraphs is not None:
@@ -222,14 +227,23 @@ class PregelNode:
     def node(self) -> Runnable[Any, Any] | None:
         """Get a runnable that combines `bound` and `writers`."""
         writers = self.flat_writers
+        trace_inputs = self.trace_policy.process_inputs if self.trace_policy else None
+        trace_outputs = self.trace_policy.process_outputs if self.trace_policy else None
         if self.bound is DEFAULT_BOUND and not writers:
             return None
         elif self.bound is DEFAULT_BOUND and len(writers) == 1:
             return writers[0]
         elif self.bound is DEFAULT_BOUND:
-            return RunnableSeq(*writers)
+            return RunnableSeq(
+                *writers, trace_inputs=trace_inputs, trace_outputs=trace_outputs
+            )
         elif writers:
-            return RunnableSeq(self.bound, *writers)
+            return RunnableSeq(
+                self.bound,
+                *writers,
+                trace_inputs=trace_inputs,
+                trace_outputs=trace_outputs,
+            )
         else:
             return self.bound
 

libs/langgraph/langgraph/pregel/_utils.py

@@ -1,11 +1,10 @@
 from __future__ import annotations
 
-import ast
-import inspect
+import dis
 import re
-import textwrap
 from collections.abc import Callable, Sequence
 from functools import partial
+from types import CodeType, FunctionType
 from typing import Any
 
 from langchain_core.runnables import (
@@ -17,7 +16,6 @@ from langchain_core.runnables import (
 from langchain_core.runnables.base import RunnableBindingBase
 from langchain_core.runnables.config import run_in_executor
 from langgraph.checkpoint.base import ChannelVersions
-from typing_extensions import override
 
 from langgraph._internal._runnable import RunnableCallable, RunnableSeq
 from langgraph._internal._timeout import sync_timeout_unsupported
@@ -137,155 +135,87 @@ def validate_timeout_supported(runnable: Runnable, *, name: str) -> None:
         raise sync_timeout_unsupported(name)
 
 
+# Values treated as dead ends when deciding whether to walk a function's
+# bytecode. A container can hold a graph, but `find_subgraph_pregel` does not
+# look inside one, so skipping it costs nothing while that holds. Matched by
+# exact type, since a subclass of a builtin can carry attributes.
+_LEAF_TYPES = frozenset(
+    {
+        int,
+        float,
+        complex,
+        bool,
+        str,
+        bytes,
+        bytearray,
+        list,
+        tuple,
+        dict,
+        set,
+        frozenset,
+        type(None),
+    }
+)
+
+
 def get_function_nonlocals(func: Callable) -> list[Any]:
-    """Get the nonlocal variables accessed by a function.
+    """Get the values a function reaches from outside its own scope.
 
     Args:
         func: The function to check.
 
     Returns:
-        List[Any]: The nonlocal variables accessed by the function.
+        Every captured cell value, the globals the function names, and each
+        value along an attribute path it loads. Over-approximates: a value can
+        come back without the function reaching it at runtime.
     """
-    try:
-        code = inspect.getsource(func)
-        tree = ast.parse(textwrap.dedent(code))
-        visitor = FunctionNonLocals()
-        visitor.visit(tree)
-        values: list[Any] = []
-        closure = (
-            inspect.getclosurevars(func.__wrapped__)
-            if hasattr(func, "__wrapped__") and callable(func.__wrapped__)
-            else inspect.getclosurevars(func)
-        )
-        candidates = {**closure.globals, **closure.nonlocals}
-        for k, v in candidates.items():
-            if k in visitor.nonlocals:
-                values.append(v)
-            for kk in visitor.nonlocals:
-                if "." in kk and kk.startswith(k):
-                    vv = v
-                    for part in kk.split(".")[1:]:
-                        if vv is None:
-                            break
-                        else:
-                            try:
-                                vv = getattr(vv, part)
-                            except AttributeError:
-                                break
-                    else:
-                        values.append(vv)
-    except (SyntaxError, TypeError, OSError, SystemError):
+    func = getattr(func, "__func__", func)  # bound method -> function
+    wrapped = getattr(func, "__wrapped__", None)
+    if callable(wrapped):
+        func = getattr(wrapped, "__func__", wrapped)
+    if not isinstance(func, FunctionType):
         return []
+    code = func.__code__
 
+    cells: dict[str, Any] = {}
+    for name, cell in zip(code.co_freevars, func.__closure__ or ()):
+        try:
+            cells[name] = cell.cell_contents
+        except ValueError:
+            continue  # empty cell: a recursive def not yet bound
+
+    # Every captured value counts, referenced or not: over-declaring costs an
+    # introspection entry, under-declaring drops the subgraph's checkpoints and
+    # stream events. Checking each cell against the bytecode would cost more and
+    # only trade the cheap error for the expensive one.
+    values: list[Any] = list(cells.values())
+    global_ns = func.__globals__
+    globals_ = {name: global_ns[name] for name in code.co_names if name in global_ns}
+    if all(type(v) in _LEAF_TYPES for v in (*cells.values(), *globals_.values())):
+        return values
+
+    # Nested code objects hold the references made by inner defs, lambdas and
+    # comprehensions, which resolve against the namespaces gathered above.
+    codes = [code]
+    for c in codes:
+        codes.extend(k for k in c.co_consts if isinstance(k, CodeType))
+        value: Any = None
+        for instruction in dis.get_instructions(c):
+            opname = instruction.opname
+            if opname == "LOAD_GLOBAL":
+                value = globals_.get(instruction.argval)
+            elif opname == "LOAD_DEREF":
+                value = cells.get(instruction.argval)
+            elif opname in ("LOAD_ATTR", "LOAD_METHOD"):
+                value = getattr(value, instruction.argval, None)
+            else:
+                value = None  # anything else ends the chain: `a, b.c` is not `a.c`
+                continue
+            if value is not None:
+                values.append(value)
     return values
 
 
-class FunctionNonLocals(ast.NodeVisitor):
-    """Get the nonlocal variables accessed of a function."""
-
-    def __init__(self) -> None:
-        self.nonlocals: set[str] = set()
-
-    @override
-    def visit_FunctionDef(self, node: ast.FunctionDef) -> Any:
-        """Visit a function definition.
-
-        Args:
-            node: The node to visit.
-
-        Returns:
-            Any: The result of the visit.
-        """
-        visitor = NonLocals()
-        visitor.visit(node)
-        self.nonlocals.update(visitor.loads - visitor.stores)
-
-    @override
-    def visit_AsyncFunctionDef(self, node: ast.AsyncFunctionDef) -> Any:
-        """Visit an async function definition.
-
-        Args:
-            node: The node to visit.
-
-        Returns:
-            Any: The result of the visit.
-        """
-        visitor = NonLocals()
-        visitor.visit(node)
-        self.nonlocals.update(visitor.loads - visitor.stores)
-
-    @override
-    def visit_Lambda(self, node: ast.Lambda) -> Any:
-        """Visit a lambda function.
-
-        Args:
-            node: The node to visit.
-
-        Returns:
-            Any: The result of the visit.
-        """
-        visitor = NonLocals()
-        visitor.visit(node)
-        self.nonlocals.update(visitor.loads - visitor.stores)
-
-
-class NonLocals(ast.NodeVisitor):
-    """Get nonlocal variables accessed."""
-
-    def __init__(self) -> None:
-        self.loads: set[str] = set()
-        self.stores: set[str] = set()
-
-    @override
-    def visit_Name(self, node: ast.Name) -> Any:
-        """Visit a name node.
-
-        Args:
-            node: The node to visit.
-
-        Returns:
-            Any: The result of the visit.
-        """
-        if isinstance(node.ctx, ast.Load):
-            self.loads.add(node.id)
-        elif isinstance(node.ctx, ast.Store):
-            self.stores.add(node.id)
-
-    @override
-    def visit_Attribute(self, node: ast.Attribute) -> Any:
-        """Visit an attribute node.
-
-        Args:
-            node: The node to visit.
-
-        Returns:
-            Any: The result of the visit.
-        """
-        if isinstance(node.ctx, ast.Load):
-            parent = node.value
-            attr_expr = node.attr
-            while isinstance(parent, ast.Attribute):
-                attr_expr = parent.attr + "." + attr_expr
-                parent = parent.value
-            if isinstance(parent, ast.Name):
-                self.loads.add(parent.id + "." + attr_expr)
-                self.loads.discard(parent.id)
-            elif isinstance(parent, ast.Call):
-                if isinstance(parent.func, ast.Name):
-                    self.loads.add(parent.func.id)
-                else:
-                    parent = parent.func
-                    attr_expr = ""
-                    while isinstance(parent, ast.Attribute):
-                        if attr_expr:
-                            attr_expr = parent.attr + "." + attr_expr
-                        else:
-                            attr_expr = parent.attr
-                        parent = parent.value
-                    if isinstance(parent, ast.Name):
-                        self.loads.add(parent.id + "." + attr_expr)
-
-
 def is_xxh3_128_hexdigest(value: str) -> bool:
     """Check if the given string matches the format of xxh3_128_hexdigest."""
     return bool(re.fullmatch(r"[0-9a-f]{32}", value))

libs/langgraph/langgraph/pregel/main.py

@@ -3512,7 +3512,7 @@ class Pregel(
         control: RunControl | None = None,
         transformers: Sequence[Callable[[tuple[str, ...]], Any]] | None = None,
         **kwargs: Any,
-    ) -> Any:
+    ) -> GraphRunStream:
         """Internal v3 sync streaming implementation. Public entry: stream_events(version='v3').
 
         Extra keyword arguments are forwarded to the underlying ``stream(...)``
@@ -3568,7 +3568,7 @@ class Pregel(
         control: RunControl | None = None,
         transformers: Sequence[Callable[[tuple[str, ...]], Any]] | None = None,
         **kwargs: Any,
-    ) -> Any:
+    ) -> AsyncGraphRunStream:
         """Internal v3 async streaming implementation. Public entry: astream_events(version='v3').
 
         Extra keyword arguments are forwarded to the underlying ``astream(...)``
@@ -3633,7 +3633,7 @@ class Pregel(
         control: RunControl | None = None,
         transformers: Sequence[Callable[[tuple[str, ...]], Any]] | None = None,
         **kwargs: Any,
-    ) -> Any: ...
+    ) -> GraphRunStream: ...
 
     def stream_events(
         self,
@@ -3738,7 +3738,7 @@ class Pregel(
         control: RunControl | None = None,
         transformers: Sequence[Callable[[tuple[str, ...]], Any]] | None = None,
         **kwargs: Any,
-    ) -> Awaitable[Any]: ...
+    ) -> Awaitable[AsyncGraphRunStream]: ...
 
     def astream_events(
         self,

libs/langgraph/langgraph/stream/run_stream.py

@@ -12,7 +12,13 @@ from langgraph.stream._mux import StreamMux
 from langgraph.stream._types import ProtocolEvent
 
 if TYPE_CHECKING:
-    from langgraph.stream.transformers import SubgraphStatus
+    from langchain_core.language_models.chat_model_stream import (
+        AsyncChatModelStream,
+        ChatModelStream,
+    )
+
+    from langgraph.stream.stream_channel import StreamChannel
+    from langgraph.stream.transformers import LifecyclePayload, SubgraphStatus
 
 
 def _drive_until_done(pump: Callable[[], bool]) -> None:
@@ -48,6 +54,16 @@ class GraphRunStream:
         experimental and may change.
     """
 
+    # Native projections always registered by `stream_events(version="v3")`.
+    # Attached dynamically by the `setattr` loop in `__init__`; declared here
+    # so type checkers see them. Opt-in native projections (`updates`,
+    # `custom`, `checkpoints`, `debug`, `tasks`) are only present when their
+    # transformer is registered, so they are reached via `extensions[...]`.
+    values: StreamChannel[dict[str, Any]]
+    messages: StreamChannel[ChatModelStream]
+    lifecycle: StreamChannel[LifecyclePayload]
+    subgraphs: StreamChannel[SubgraphRunStream]
+
     def __init__(
         self,
         graph_iter: Iterator[Any] | None,
@@ -329,6 +345,16 @@ class AsyncGraphRunStream:
         experimental and may change.
     """
 
+    # Native projections always registered by `astream_events(version="v3")`.
+    # Attached dynamically by the `setattr` loop in `__init__`; declared here
+    # so type checkers see them. Opt-in native projections (`updates`,
+    # `custom`, `checkpoints`, `debug`, `tasks`) are only present when their
+    # transformer is registered, so they are reached via `extensions[...]`.
+    values: StreamChannel[dict[str, Any]]
+    messages: StreamChannel[AsyncChatModelStream]
+    lifecycle: StreamChannel[LifecyclePayload]
+    subgraphs: StreamChannel[AsyncSubgraphRunStream]
+
     def __init__(
         self,
         graph_aiter: AsyncIterator[Any] | None,

libs/langgraph/langgraph/types.py

@@ -70,6 +70,8 @@ __all__ = (
     "RetryPolicy",
     "TimeoutPolicy",
     "CachePolicy",
+    "TracePolicy",
+    "omit_payload",
     "Interrupt",
     "StateUpdate",
     "PregelTask",
@@ -527,6 +529,44 @@ class CachePolicy(Generic[KeyFuncT]):
     """Time to live for the cache entry in seconds. If `None`, the entry never expires."""
 
 
+@dataclass(**_DC_KWARGS)
+class TracePolicy:
+    """Configuration for how a node's run is traced.
+
+    Scope: this only transforms what the node's *own* run records. Child runs created
+    by a traced `bound` runnable and the root graph run are not affected. Plain
+    function nodes are traced with `trace=False`, so they have no such child runs.
+
+    Not intended to redact secrets. To redact inputs/outputs across all runs
+    (children included), use the LangSmith client's
+    `hide_inputs`/`hide_outputs`/`anonymizer` instead.
+
+    Each processor receives the node's raw input/output value (not a normalized
+    kwargs dict) and returns the value to record.
+    """
+
+    process_inputs: Callable[[Any], Any] | None = None
+    """Optional callable to transform the node's input before it is recorded on the
+    node's trace run. Can be used to omit or summarize large payloads
+    (e.g. message history). Not intended to affect the value passed to the node; avoid
+    mutating arguments in place."""
+
+    process_outputs: Callable[[Any], Any] | None = None
+    """Optional callable to transform the node's output before it is recorded on the
+    node's trace run. Can be used to omit or summarize large payloads
+    (e.g. message history). Not intended to affect the value returned by the node; avoid
+    mutating arguments in place."""
+
+
+def omit_payload(_value: Any) -> dict[str, Any]:
+    """`TracePolicy` helper that records an empty payload, dropping the value entirely.
+
+    Use as `process_inputs` and/or `process_outputs` on a `TracePolicy` to keep a node's
+    span and its timing while omitting its inputs/outputs from the trace.
+    """
+    return {}
+
+
 _DEFAULT_INTERRUPT_ID = "placeholder-id"
 
 

libs/langgraph/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "langgraph"
-version = "1.2.9"
+version = "1.2.11"
 description = "Building stateful, multi-actor applications with LLMs"
 authors = []
 requires-python = ">=3.10"
@@ -89,8 +89,12 @@ langgraph-sdk = { path = "../sdk-py", editable = true }
 langgraph-cli = { path = "../cli", editable = true }
 
 [tool.ruff]
-lint.select = [ "E", "F", "I", "TID251", "UP" ]
+lint.select = [ "E", "F", "I", "PLC0415", "RUF100", "TID251", "UP" ]
 lint.ignore = [ "E501" ]
+# PLC0415 (import-outside-top-level) is enforced in tests only. Library code
+# still has deferred imports that have not been reviewed, so it stays exempt
+# for now.
+lint.per-file-ignores = { "langgraph/**" = ["PLC0415"] }
 line-length = 88
 indent-width = 4
 extend-include = ["*.ipynb"]

libs/langgraph/tests/memory_assert.py

@@ -1,5 +1,6 @@
 import os
 import tempfile
+import time
 from collections import defaultdict
 from functools import partial
 from typing import Any
@@ -73,8 +74,6 @@ class MemorySaverAssertImmutable(InMemorySaver):
         new_versions: ChannelVersions,
     ) -> None:
         if self.put_sleep:
-            import time
-
             time.sleep(self.put_sleep)
         # assert checkpoint hasn't been modified since last written
         thread_id = config["configurable"]["thread_id"]

libs/langgraph/tests/test_channels.py

@@ -2,14 +2,16 @@ import operator
 from collections.abc import Sequence
 from typing import Annotated
 
+import orjson
 import pytest
 from langchain_core.messages import AIMessage, HumanMessage, RemoveMessage
 from langgraph.checkpoint.memory import InMemorySaver
 from langgraph.checkpoint.serde.types import _DeltaSnapshot
 from typing_extensions import NotRequired, TypedDict
 
+from langgraph._internal._constants import OVERWRITE
 from langgraph._internal._typing import MISSING
-from langgraph.channels.binop import BinaryOperatorAggregate
+from langgraph.channels.binop import BinaryOperatorAggregate, _get_overwrite
 from langgraph.channels.delta import DeltaChannel
 from langgraph.channels.last_value import LastValue
 from langgraph.channels.topic import Topic
@@ -194,10 +196,6 @@ def test_overwrite_dataclass_form_survives_json_roundtrip() -> None:
     ...}`) is indistinguishable from a literal channel value, and downstream
     reducers raise `MESSAGE_COERCION_FAILURE` (or similar) on read.
     """
-    import orjson
-
-    from langgraph._internal._constants import OVERWRITE
-    from langgraph.channels.binop import _get_overwrite
 
     ow = Overwrite(value=[HumanMessage(content="new", id="h2")])
     erased = orjson.loads(orjson.dumps(ow, default=lambda o: o.model_dump()))
@@ -213,8 +211,6 @@ def test_overwrite_sentinel_dict_still_recognised() -> None:
     """The pre-existing `{"__overwrite__": value}` dict form continues to be
     recognised. This is the canonical sentinel emitted by producers that do
     not have an `Overwrite` dataclass available."""
-    from langgraph._internal._constants import OVERWRITE
-    from langgraph.channels.binop import _get_overwrite
 
     is_overwrite, value = _get_overwrite({OVERWRITE: ["b"]})
     assert is_overwrite
@@ -224,7 +220,6 @@ def test_overwrite_sentinel_dict_still_recognised() -> None:
 def test_overwrite_non_matching_dict_not_recognised() -> None:
     """Dicts that resemble the erased shape but do not carry the
     `__overwrite__` discriminator must not be misclassified as overwrites."""
-    from langgraph.channels.binop import _get_overwrite
 
     assert _get_overwrite({"value": ["b"]}) == (False, None)
     assert _get_overwrite({"type": "human", "value": "hi"}) == (False, None)

libs/langgraph/tests/test_config_async.py

@@ -24,7 +24,7 @@ class _TrackingCallback(BaseCallbackHandler):
     def __init__(self) -> None:
         self.called = False
 
-    def on_chain_start(self, *args, **kwargs) -> None:  # noqa: ANN002, ANN003
+    def on_chain_start(self, *args, **kwargs) -> None:
         self.called = True
 
 
@@ -55,7 +55,7 @@ async def test_with_config_configurable_preserved_on_invoke() -> None:
     builder = StateGraph(dict)
     captured: dict = {}
 
-    def node(state, config):  # noqa: ANN001
+    def node(state, config):
         captured.update(config.get("configurable") or {})
         return state
 
@@ -79,7 +79,7 @@ async def test_with_config_metadata_preserved_on_invoke() -> None:
     builder = StateGraph(dict)
     captured: dict = {}
 
-    def node(state, config):  # noqa: ANN001
+    def node(state, config):
         captured.update(config.get("metadata") or {})
         return state
 
@@ -104,7 +104,7 @@ async def test_with_config_tags_preserved_on_invoke() -> None:
     builder = StateGraph(dict)
     captured: list = []
 
-    def node(state, config):  # noqa: ANN001
+    def node(state, config):
         captured.extend(config.get("tags") or [])
         return state
 

libs/langgraph/tests/test_delta_channel_benchmark.py

@@ -220,7 +220,7 @@ def _checkpointers() -> list[tuple[str, Any]]:
     result: list[tuple[str, Any]] = [("InMemory", None)]
     if _POSTGRES_AVAILABLE:
         try:
-            import psycopg
+            import psycopg  # noqa: PLC0415
 
             psycopg.connect(_POSTGRES_URI).close()
             result.append(("Postgres", "postgres"))

libs/langgraph/tests/test_delta_channel_migration.py

@@ -616,3 +616,117 @@ async def test_add_messages_to_delta_migration_preserves_message_history_async()
     assert [m.id for m in snap.values["messages"]] == ["h1", "a1"], (
         f"async tip hydration mismatch: got {[m.id for m in snap.values['messages']]}"
     )
+
+
+# ---------------------------------------------------------------------------
+# 8. First post-migration write, read back cold (regression for #8384)
+#
+# The migration boundary produces a checkpoint that carries BOTH a pre-delta
+# plain-value blob AND the pending write that produced its (delta-era) child.
+# That write is not subsumed by the blob — the blob is the value ENTERING that
+# checkpoint. A saver whose ancestor walk skips the seed checkpoint's own
+# writes silently drops the first post-migration write.
+#
+# The failure is invisible to the live `invoke` return value (computed
+# in-memory before persistence), so these tests must assert on a COLD read.
+# It is also invisible at `snapshot_frequency=1`, where every write is its own
+# snapshot boundary and the walk never terminates on a plain value — hence the
+# explicit default-frequency coverage.
+# ---------------------------------------------------------------------------
+
+
+def test_first_post_migration_write_survives_cold_read() -> None:
+    """One non-snapshotting write after migrating a thread to `DeltaChannel`
+    must still be present when the state is read back from the checkpointer.
+
+    Regression for #8384: `invoke` returned the correct value while
+    `get_state` dropped the write permanently.
+    """
+
+    checkpointer = InMemorySaver()
+    config = {"configurable": {"thread_id": "first-post-migration"}}
+
+    binop = _binop_graph(checkpointer)
+    binop.invoke({"items": ["a"]}, config)
+
+    delta = _delta_graph(checkpointer)
+    live = delta.invoke({"items": ["b"]}, config)
+    assert list(live["items"]) == ["a", "b"], "live invoke lost the write"
+
+    cold = delta.get_state(config)
+    assert list(cold.values["items"]) == ["a", "b"], (
+        "first post-migration write dropped on cold read: "
+        f"got {list(cold.values['items'])}"
+    )
+
+
+async def test_first_post_migration_write_survives_cold_read_async() -> None:
+    """Async variant of the #8384 regression."""
+
+    checkpointer = InMemorySaver()
+    config = {"configurable": {"thread_id": "first-post-migration-async"}}
+
+    binop = _binop_graph(checkpointer)
+    await binop.ainvoke({"items": ["a"]}, config)
+
+    delta = _delta_graph(checkpointer)
+    live = await delta.ainvoke({"items": ["b"]}, config)
+    assert list(live["items"]) == ["a", "b"], "live ainvoke lost the write"
+
+    cold = await delta.aget_state(config)
+    assert list(cold.values["items"]) == ["a", "b"], (
+        "first post-migration write dropped on cold read: "
+        f"got {list(cold.values['items'])}"
+    )
+
+
+def test_post_migration_writes_match_base_saver_fallback() -> None:
+    """Parity across the migration boundary WITH post-migration writes.
+
+    `test_base_saver_fallback_matches_optimized_override` only reads a
+    pre-migration chain, so the optimized override and the reference walk
+    never disagree there. Driving writes after the migration is what
+    separates them.
+    """
+
+    def _run(saver: Any, thread: str) -> list[tuple[Any, list]]:
+        config = {"configurable": {"thread_id": thread}}
+        _drive(_binop_graph(saver), config, "u", 2)
+        delta = _delta_graph(saver)
+        _drive(delta, config, "d", 3)
+        return [
+            (s.next, list(s.values.get("items", [])))
+            for s in delta.get_state_history(config)
+        ]
+
+    fast = _run(InMemorySaver(), "fast")
+    slow = _run(_ThirdPartyStyleSaver(), "slow")
+
+    assert fast == slow, (
+        "optimized override diverges from the base-saver fallback once "
+        f"post-migration writes exist; fast={fast}, slow={slow}"
+    )
+    # Guard the assertion above against both paths being wrong in the same way.
+    assert fast[0][1] == ["u0", "u1", "d0", "d1", "d2"], (
+        f"unexpected accumulated state: {fast[0][1]}"
+    )
+
+
+def test_add_messages_migration_keeps_first_post_migration_message() -> None:
+    """The `add_messages` -> `DeltaChannel` path is the one Deep Agents takes;
+    dropping the first post-migration write loses a real user message.
+    """
+
+    checkpointer = InMemorySaver()
+    config = {"configurable": {"thread_id": "add-messages-first-write"}}
+
+    pre_graph = _add_messages_graph(checkpointer)
+    pre_graph.invoke({"messages": [HumanMessage(content="hello", id="h1")]}, config)
+
+    delta_graph = _delta_messages_graph(checkpointer)
+    delta_graph.invoke({"messages": [HumanMessage(content="second", id="h2")]}, config)
+
+    ids = [m.id for m in delta_graph.get_state(config).values["messages"]]
+    # h1 is the pre-migration seed, h2 the write that was being dropped; both
+    # have to survive, and in order.
+    assert ids == ["h1", "h2"], f"expected ['h1', 'h2'], got {ids}"

libs/langgraph/tests/test_delta_channel_update_state.py

@@ -27,6 +27,7 @@ from typing_extensions import TypedDict
 from langgraph.channels.delta import DeltaChannel
 from langgraph.graph import START, StateGraph
 from langgraph.graph.message import _messages_delta_reducer
+from langgraph.types import StateUpdate
 
 pytestmark = pytest.mark.anyio
 
@@ -277,7 +278,6 @@ def test_bulk_update_state_multi_task_per_superstep_delta_channel() -> None:
     different `StateUpdate`s targeting the same node — otherwise both share
     the deterministic interrupt-derived id and collide in the saver.
     """
-    from langgraph.types import StateUpdate
 
     saver = InMemorySaver()
     graph = _build_graph(saver)

libs/langgraph/tests/test_deprecation.py

@@ -88,13 +88,13 @@ def test_constants_deprecation() -> None:
         LangGraphDeprecatedSinceV10,
         match="Importing Send from langgraph.constants is deprecated. Please use 'from langgraph.types import Send' instead.",
     ):
-        from langgraph.constants import Send  # noqa: F401
+        from langgraph.constants import Send  # noqa: PLC0415, F401
 
     with pytest.warns(
         LangGraphDeprecatedSinceV10,
         match="Importing Interrupt from langgraph.constants is deprecated. Please use 'from langgraph.types import Interrupt' instead.",
     ):
-        from langgraph.constants import Interrupt  # noqa: F401
+        from langgraph.constants import Interrupt  # noqa: PLC0415, F401
 
 
 def test_pregel_types_deprecation() -> None:
@@ -102,7 +102,7 @@ def test_pregel_types_deprecation() -> None:
         LangGraphDeprecatedSinceV10,
         match="Importing from langgraph.pregel.types is deprecated. Please use 'from langgraph.types import ...' instead.",
     ):
-        from langgraph.pregel.types import StateSnapshot  # noqa: F401
+        from langgraph.pregel.types import StateSnapshot  # noqa: PLC0415, F401
 
 
 def test_config_schema_deprecation() -> None:
@@ -195,7 +195,7 @@ def test_deprecated_import() -> None:
         LangGraphDeprecatedSinceV10,
         match="Importing PREVIOUS from langgraph.constants is deprecated. This constant is now private and should not be used directly.",
     ):
-        from langgraph.constants import PREVIOUS  # noqa: F401
+        from langgraph.constants import PREVIOUS  # noqa: PLC0415, F401
 
 
 @pytest.mark.filterwarnings(

libs/langgraph/tests/test_graph_callbacks.py

@@ -13,6 +13,7 @@ from langgraph.callbacks import (
     GraphCallbackHandler,
     GraphInterruptEvent,
     GraphResumeEvent,
+    _GraphCallbackManager,
 )
 from langgraph.graph import START, StateGraph
 from langgraph.types import Command, Interrupt, interrupt
@@ -286,7 +287,6 @@ def test_non_graph_handler_via_add_handler_does_not_crash() -> None:
     GraphCallbackHandler. They must be silently accepted — graph lifecycle
     events will simply not be dispatched to them.
     """
-    from langgraph.callbacks import _GraphCallbackManager
 
     manager = _GraphCallbackManager()
     plain_handler = _LangChainCustomEventHandler()

libs/langgraph/tests/test_large_cases.py

@@ -2,11 +2,26 @@ import json
 import operator
 import re
 import time
+from copy import deepcopy
 from dataclasses import replace
 from typing import Annotated, Any, Literal, cast
 
 import pytest
-from langchain_core.messages import AIMessage, AnyMessage, ToolCall
+from langchain_core.callbacks import CallbackManagerForLLMRun
+from langchain_core.language_models.fake import FakeStreamingListLLM
+from langchain_core.language_models.fake_chat_models import (
+    FakeMessagesListChatModel,
+)
+from langchain_core.messages import (
+    AIMessage,
+    AnyMessage,
+    BaseMessage,
+    HumanMessage,
+    ToolCall,
+    ToolMessage,
+)
+from langchain_core.outputs import ChatGeneration, ChatResult
+from langchain_core.prompts import PromptTemplate
 from langchain_core.runnables import RunnableConfig, RunnableMap, RunnablePick
 from langchain_core.tools import tool
 from langchain_core.version import VERSION as LANGCHAIN_CORE_VERSION
@@ -484,9 +499,6 @@ def test_conditional_state_graph(
     snapshot: SnapshotAssertion,
     sync_checkpointer: BaseCheckpointSaver,
 ) -> None:
-    from langchain_core.language_models.fake import FakeStreamingListLLM
-    from langchain_core.prompts import PromptTemplate
-    from langchain_core.tools import tool
 
     class AgentState(TypedDict, total=False):
         input: Annotated[str, UntrackedValue]
@@ -1261,8 +1273,6 @@ def test_conditional_state_graph(
 
 
 def test_prebuilt_tool_chat(snapshot: SnapshotAssertion) -> None:
-    from langchain_core.messages import AIMessage, HumanMessage
-    from langchain_core.tools import tool
 
     @tool()
     def search_api(query: str) -> str:
@@ -1626,17 +1636,6 @@ def test_prebuilt_tool_chat(snapshot: SnapshotAssertion) -> None:
 def test_state_graph_packets(
     sync_checkpointer: BaseCheckpointSaver, mocker: MockerFixture
 ) -> None:
-    from langchain_core.language_models.fake_chat_models import (
-        FakeMessagesListChatModel,
-    )
-    from langchain_core.messages import (
-        AIMessage,
-        BaseMessage,
-        HumanMessage,
-        ToolCall,
-        ToolMessage,
-    )
-    from langchain_core.tools import tool
 
     class AgentState(TypedDict):
         messages: Annotated[list[BaseMessage], add_messages]
@@ -2381,15 +2380,6 @@ def test_message_graph(
     deterministic_uuids: MockerFixture,
     sync_checkpointer: BaseCheckpointSaver,
 ) -> None:
-    from copy import deepcopy
-
-    from langchain_core.callbacks import CallbackManagerForLLMRun
-    from langchain_core.language_models.fake_chat_models import (
-        FakeMessagesListChatModel,
-    )
-    from langchain_core.messages import AIMessage, BaseMessage, HumanMessage
-    from langchain_core.outputs import ChatGeneration, ChatResult
-    from langchain_core.tools import tool
 
     class FakeFunctionChatModel(FakeMessagesListChatModel):
         def bind_functions(self, functions: list):
@@ -3099,20 +3089,6 @@ def test_root_graph(
     deterministic_uuids: MockerFixture,
     sync_checkpointer: BaseCheckpointSaver,
 ) -> None:
-    from copy import deepcopy
-
-    from langchain_core.callbacks import CallbackManagerForLLMRun
-    from langchain_core.language_models.fake_chat_models import (
-        FakeMessagesListChatModel,
-    )
-    from langchain_core.messages import (
-        AIMessage,
-        BaseMessage,
-        HumanMessage,
-        ToolMessage,
-    )
-    from langchain_core.outputs import ChatGeneration, ChatResult
-    from langchain_core.tools import tool
 
     class FakeFunctionChatModel(FakeMessagesListChatModel):
         def bind_functions(self, functions: list):
@@ -5837,7 +5813,6 @@ def test_send_to_nested_graphs(sync_checkpointer: BaseCheckpointSaver) -> None:
 def test_send_react_interrupt(
     sync_checkpointer: BaseCheckpointSaver,
 ) -> None:
-    from langchain_core.messages import AIMessage, HumanMessage, ToolCall, ToolMessage
 
     ai_message = AIMessage(
         "",
@@ -6228,7 +6203,6 @@ def test_send_react_interrupt(
 def test_send_react_interrupt_control(
     sync_checkpointer: BaseCheckpointSaver, snapshot: SnapshotAssertion
 ) -> None:
-    from langchain_core.messages import AIMessage, HumanMessage, ToolCall, ToolMessage
 
     ai_message = AIMessage(
         "",
@@ -6455,9 +6429,6 @@ def test_send_react_interrupt_control(
 def test_weather_subgraph(
     sync_checkpointer: BaseCheckpointSaver, snapshot: SnapshotAssertion
 ) -> None:
-    from langchain_core.language_models.fake_chat_models import (
-        FakeMessagesListChatModel,
-    )
 
     # setup subgraph
 

libs/langgraph/tests/test_large_cases_async.py

@@ -9,8 +9,22 @@ from typing import (
 )
 
 import pytest
-from langchain_core.messages import AnyMessage, ToolCall
+from langchain_core.agents import AgentAction, AgentFinish
+from langchain_core.language_models.fake import FakeStreamingListLLM
+from langchain_core.language_models.fake_chat_models import (
+    FakeMessagesListChatModel,
+)
+from langchain_core.messages import (
+    AIMessage,
+    AnyMessage,
+    BaseMessage,
+    HumanMessage,
+    ToolCall,
+    ToolMessage,
+)
+from langchain_core.prompts import PromptTemplate
 from langchain_core.runnables import RunnableConfig, RunnablePick
+from langchain_core.tools import tool
 from langchain_core.version import VERSION as LANGCHAIN_CORE_VERSION
 from langgraph.checkpoint.base import BaseCheckpointSaver
 from langgraph.prebuilt.chat_agent_executor import create_react_agent
@@ -22,6 +36,7 @@ from langgraph._internal._constants import PULL, PUSH
 from langgraph.channels.last_value import LastValue
 from langgraph.channels.untracked_value import UntrackedValue
 from langgraph.constants import END, START
+from langgraph.graph import MessagesState
 from langgraph.graph.message import add_messages
 from langgraph.graph.state import StateGraph
 from langgraph.pregel import NodeBuilder, Pregel
@@ -479,10 +494,6 @@ async def test_fork_always_re_runs_nodes(
 
 
 async def test_conditional_graph_state(async_checkpointer: BaseCheckpointSaver) -> None:
-    from langchain_core.agents import AgentAction, AgentFinish
-    from langchain_core.language_models.fake import FakeStreamingListLLM
-    from langchain_core.prompts import PromptTemplate
-    from langchain_core.tools import tool
 
     class AgentState(TypedDict):
         input: Annotated[str, UntrackedValue]
@@ -1017,8 +1028,6 @@ async def test_conditional_graph_state(async_checkpointer: BaseCheckpointSaver)
 
 
 async def test_prebuilt_tool_chat() -> None:
-    from langchain_core.messages import AIMessage, HumanMessage
-    from langchain_core.tools import tool
 
     model = FakeChatModel(
         messages=[
@@ -1358,16 +1367,6 @@ async def test_prebuilt_tool_chat() -> None:
 
 
 async def test_state_graph_packets(async_checkpointer: BaseCheckpointSaver) -> None:
-    from langchain_core.language_models.fake_chat_models import (
-        FakeMessagesListChatModel,
-    )
-    from langchain_core.messages import (
-        AIMessage,
-        BaseMessage,
-        HumanMessage,
-        ToolMessage,
-    )
-    from langchain_core.tools import tool
 
     class AgentState(TypedDict):
         messages: Annotated[list[BaseMessage], add_messages]
@@ -2072,11 +2071,6 @@ async def test_state_graph_packets(async_checkpointer: BaseCheckpointSaver) -> N
 
 
 async def test_message_graph(async_checkpointer: BaseCheckpointSaver) -> None:
-    from langchain_core.language_models.fake_chat_models import (
-        FakeMessagesListChatModel,
-    )
-    from langchain_core.messages import AIMessage, HumanMessage
-    from langchain_core.tools import tool
 
     class FakeFunctionChatModel(FakeMessagesListChatModel):
         def bind_functions(self, functions: list):
@@ -3537,13 +3531,6 @@ async def test_send_to_nested_graphs(async_checkpointer: BaseCheckpointSaver) ->
 async def test_weather_subgraph(
     async_checkpointer: BaseCheckpointSaver,
 ) -> None:
-    from langchain_core.language_models.fake_chat_models import (
-        FakeMessagesListChatModel,
-    )
-    from langchain_core.messages import AIMessage, ToolCall
-    from langchain_core.tools import tool
-
-    from langgraph.graph import MessagesState
 
     # setup subgraph
 

libs/langgraph/tests/test_pregel.py

@@ -4,25 +4,39 @@ import gc
 import json
 import logging
 import operator
+import random
 import threading
 import time
 import uuid
-from collections import Counter, deque
+from collections import Counter, defaultdict, deque
 from collections.abc import Sequence
 from concurrent.futures import ThreadPoolExecutor
 from dataclasses import dataclass, field
 from random import randrange
 from typing import Annotated, Any, Literal, get_type_hints
+from unittest.mock import patch
 
 import pytest
 from langchain_core.language_models import GenericFakeChatModel
-from langchain_core.messages import AIMessage, AnyMessage, HumanMessage, RemoveMessage
+from langchain_core.language_models.fake import FakeStreamingListLLM
+from langchain_core.language_models.fake_chat_models import (
+    FakeMessagesListChatModel,
+)
+from langchain_core.messages import (
+    AIMessage,
+    AnyMessage,
+    BaseMessage,
+    HumanMessage,
+    RemoveMessage,
+)
+from langchain_core.prompts import ChatPromptTemplate, PromptTemplate
 from langchain_core.runnables import (
     RunnableConfig,
     RunnableLambda,
     RunnablePassthrough,
 )
 from langchain_core.runnables.graph import Edge
+from langchain_core.tools import tool
 from langchain_core.version import VERSION as LANGCHAIN_CORE_VERSION
 from langgraph.cache.base import BaseCache
 from langgraph.checkpoint.base import (
@@ -56,8 +70,9 @@ from langgraph.pregel import (
     NodeBuilder,
     Pregel,
 )
-from langgraph.pregel._loop import SyncPregelLoop
+from langgraph.pregel._loop import PregelLoop, SyncPregelLoop
 from langgraph.pregel._runner import PregelRunner
+from langgraph.runtime import RunControl
 from langgraph.types import (
     CachePolicy,
     Command,
@@ -125,7 +140,6 @@ def test_graph_validation() -> None:
 def test_request_drain_allows_inflight_call_scheduling(
     sync_checkpointer: BaseCheckpointSaver,
 ) -> None:
-    from langgraph.runtime import RunControl
 
     @task
     def child(x: int) -> int:
@@ -1769,9 +1783,6 @@ def test_conditional_state_graph_with_list_edge_inputs(snapshot: SnapshotAsserti
 
 
 def test_state_graph_w_config_inherited_state_keys(snapshot: SnapshotAssertion) -> None:
-    from langchain_core.language_models.fake import FakeStreamingListLLM
-    from langchain_core.prompts import PromptTemplate
-    from langchain_core.tools import tool
 
     class BaseState(TypedDict):
         input: str
@@ -3769,12 +3780,6 @@ def test_checkpoint_metadata(sync_checkpointer: BaseCheckpointSaver) -> None:
     previous checkpoint config for each step in the run.
     """
     # set up test
-    from langchain_core.language_models.fake_chat_models import (
-        FakeMessagesListChatModel,
-    )
-    from langchain_core.messages import AIMessage, AnyMessage
-    from langchain_core.prompts import ChatPromptTemplate
-    from langchain_core.tools import tool
 
     # graph state
     class BaseState(TypedDict):
@@ -3940,7 +3945,6 @@ def test_checkpoint_metadata(sync_checkpointer: BaseCheckpointSaver) -> None:
 def test_remove_message_via_state_update(
     sync_checkpointer: BaseCheckpointSaver,
 ) -> None:
-    from langchain_core.messages import AIMessage, HumanMessage, RemoveMessage
 
     workflow = StateGraph(state_schema=Annotated[list[AnyMessage], add_messages])  # type: ignore[arg-type]
     workflow.add_node(
@@ -3973,7 +3977,6 @@ def test_remove_message_via_state_update(
 
 
 def test_remove_message_from_node():
-    from langchain_core.messages import AIMessage, HumanMessage, RemoveMessage
 
     workflow = StateGraph(state_schema=Annotated[list[AnyMessage], add_messages])  # type: ignore[arg-type]
     workflow.add_node(
@@ -3999,7 +4002,6 @@ def test_remove_message_from_node():
 
 
 def test_xray_lance(snapshot: SnapshotAssertion):
-    from langchain_core.messages import AnyMessage, HumanMessage
 
     class Analyst(BaseModel):
         affiliation: str = Field(
@@ -4483,7 +4485,6 @@ def test_debug_subgraphs(
 def test_debug_nested_subgraphs(
     sync_checkpointer: BaseCheckpointSaver, durability: Durability
 ):
-    from collections import defaultdict
 
     class State(TypedDict):
         messages: Annotated[list[str], operator.add]
@@ -4743,8 +4744,6 @@ def test_runnable_passthrough_node_graph() -> None:
 def test_parent_command(
     sync_checkpointer: BaseCheckpointSaver, subgraph_persist: bool
 ) -> None:
-    from langchain_core.messages import BaseMessage
-    from langchain_core.tools import tool
 
     @tool(return_direct=True)
     def get_user_name() -> Command:
@@ -5164,7 +5163,6 @@ def test_command_with_static_breakpoints(
 
 
 def test_multistep_plan(sync_checkpointer: BaseCheckpointSaver):
-    from langchain_core.messages import AnyMessage
 
     class State(TypedDict, total=False):
         plan: list[str | list[str]]
@@ -5910,9 +5908,6 @@ def test_no_redundant_put_writes_for_cached_task(
     sync_checkpointer: BaseCheckpointSaver,
 ) -> None:
     """Cached @tasks on resume must not trigger redundant put_writes."""
-    from unittest.mock import patch
-
-    from langgraph.pregel._loop import PregelLoop
 
     @task
     def setup(x: int) -> int:
@@ -6975,7 +6970,6 @@ def test_configurable_propagates_to_stream_metadata() -> None:
 
 
 def test_stream_mode_messages_command() -> None:
-    from langchain_core.messages import HumanMessage
 
     def my_node(state):
         return {"messages": HumanMessage(content="foo")}
@@ -7243,7 +7237,6 @@ def test_get_stream_writer() -> None:
 
 
 def test_stream_messages_dedupe_inputs() -> None:
-    from langchain_core.messages import AIMessage
 
     def call_model(state):
         return {"messages": AIMessage("hi", id="1")}
@@ -7281,7 +7274,6 @@ def test_stream_messages_dedupe_inputs() -> None:
 
 
 def test_stream_messages_dedupe_state(sync_checkpointer: BaseCheckpointSaver) -> None:
-    from langchain_core.messages import AIMessage
 
     to_emit = [AIMessage("bye", id="1"), AIMessage("bye again", id="2")]
 
@@ -8253,7 +8245,6 @@ def test_get_graph_loop(snapshot: SnapshotAssertion) -> None:
 
 
 def test_get_graph_self_loop(snapshot: SnapshotAssertion) -> None:
-    import random
 
     subgraph_builder = StateGraph(MessagesState)
     subgraph_builder.add_node("agent", lambda x: x)

libs/langgraph/tests/test_pregel_async.py

@@ -7,7 +7,7 @@ import operator
 import random
 import sys
 import uuid
-from collections import Counter, deque
+from collections import Counter, defaultdict, deque
 from dataclasses import replace
 from time import perf_counter
 from typing import (
@@ -21,8 +21,20 @@ from uuid import UUID
 
 import pytest
 from langchain_core.language_models import GenericFakeChatModel
-from langchain_core.messages import HumanMessage
+from langchain_core.language_models.fake_chat_models import (
+    FakeMessagesListChatModel,
+)
+from langchain_core.messages import (
+    AIMessage,
+    AnyMessage,
+    BaseMessage,
+    HumanMessage,
+    ToolCall,
+    ToolMessage,
+)
+from langchain_core.prompts import ChatPromptTemplate
 from langchain_core.runnables import RunnableConfig, RunnableLambda, RunnablePassthrough
+from langchain_core.tools import tool
 from langchain_core.utils.aiter import aclosing
 from langchain_core.version import VERSION as LANGCHAIN_CORE_VERSION
 from langgraph.cache.base import BaseCache
@@ -45,6 +57,7 @@ from typing_extensions import NotRequired, TypedDict
 from langgraph._internal._constants import CONFIG_KEY_NODE_FINISHED, ERROR, PULL
 from langgraph._internal._queue import AsyncQueue
 from langgraph.channels.binop import BinaryOperatorAggregate
+from langgraph.channels.delta import DeltaChannel
 from langgraph.channels.last_value import LastValue
 from langgraph.channels.topic import Topic
 from langgraph.errors import (
@@ -55,10 +68,11 @@ from langgraph.errors import (
 )
 from langgraph.func import entrypoint, task
 from langgraph.graph import END, START, StateGraph
-from langgraph.graph.message import MessagesState, add_messages
+from langgraph.graph.message import MessagesState, _messages_delta_reducer, add_messages
 from langgraph.pregel import NodeBuilder, Pregel
-from langgraph.pregel._loop import AsyncPregelLoop
+from langgraph.pregel._loop import AsyncPregelLoop, PregelLoop
 from langgraph.pregel._runner import PregelRunner
+from langgraph.runtime import RunControl
 from langgraph.types import (
     CachePolicy,
     Command,
@@ -222,7 +236,6 @@ async def test_checkpoint_errors() -> None:
 async def test_request_drain_allows_inflight_acall_scheduling(
     async_checkpointer: BaseCheckpointSaver,
 ) -> None:
-    from langgraph.runtime import RunControl
 
     @task
     async def child(x: int) -> int:
@@ -2868,7 +2881,6 @@ async def test_send_dedupe_on_resume(
 
 
 async def test_send_react_interrupt(async_checkpointer: BaseCheckpointSaver) -> None:
-    from langchain_core.messages import AIMessage, HumanMessage, ToolCall, ToolMessage
 
     ai_message = AIMessage(
         "",
@@ -3259,7 +3271,6 @@ async def test_send_react_interrupt(async_checkpointer: BaseCheckpointSaver) ->
 async def test_send_react_interrupt_control(
     async_checkpointer: BaseCheckpointSaver, snapshot: SnapshotAssertion
 ) -> None:
-    from langchain_core.messages import AIMessage, HumanMessage, ToolCall, ToolMessage
 
     ai_message = AIMessage(
         "",
@@ -5538,12 +5549,6 @@ async def test_checkpoint_metadata(async_checkpointer: BaseCheckpointSaver) -> N
     previous checkpoint config for each step in the run.
     """
     # set up test
-    from langchain_core.language_models.fake_chat_models import (
-        FakeMessagesListChatModel,
-    )
-    from langchain_core.messages import AIMessage, AnyMessage
-    from langchain_core.prompts import ChatPromptTemplate
-    from langchain_core.tools import tool
 
     # graph state
     class BaseState(TypedDict):
@@ -5944,7 +5949,6 @@ async def test_debug_subgraphs(
 async def test_debug_nested_subgraphs(
     async_checkpointer: BaseCheckpointSaver, durability: Durability
 ) -> None:
-    from collections import defaultdict
 
     class State(TypedDict):
         messages: Annotated[list[str], operator.add]
@@ -6061,8 +6065,6 @@ async def test_debug_nested_subgraphs(
 async def test_parent_command(
     async_checkpointer: BaseCheckpointSaver, subgraph_persist: bool
 ) -> None:
-    from langchain_core.messages import BaseMessage
-    from langchain_core.tools import tool
 
     @tool(return_direct=True)
     def get_user_name() -> Command:
@@ -6130,10 +6132,6 @@ async def test_parent_command(
 
 async def test_delta_channel_durability_exit_stores_snapshot_async() -> None:
     """DeltaChannel must reload from an async durability='exit' checkpoint."""
-    from langchain_core.messages import AIMessage
-
-    from langgraph.channels.delta import DeltaChannel
-    from langgraph.graph.message import _messages_delta_reducer
 
     class State(TypedDict):
         messages: Annotated[list, DeltaChannel(_messages_delta_reducer)]
@@ -6420,7 +6418,6 @@ async def test_command_with_static_breakpoints(
 
 
 async def test_multistep_plan(async_checkpointer: BaseCheckpointSaver) -> None:
-    from langchain_core.messages import AnyMessage
 
     class State(TypedDict, total=False):
         plan: list[str | list[str]]
@@ -6758,7 +6755,6 @@ async def test_multiple_interrupts_functional(
     async_checkpointer: BaseCheckpointSaver,
 ) -> None:
     """Test multiple interrupts with functional API."""
-    from langgraph.func import entrypoint, task
 
     counter = 0
 
@@ -7674,7 +7670,6 @@ async def test_configurable_propagates_to_stream_metadata() -> None:
 
 
 async def test_stream_mode_messages_command() -> None:
-    from langchain_core.messages import HumanMessage
 
     async def my_node(state):
         return {"messages": HumanMessage(content="foo")}
@@ -7723,7 +7718,6 @@ async def test_stream_mode_messages_command() -> None:
 
 
 async def test_stream_messages_dedupe_inputs() -> None:
-    from langchain_core.messages import AIMessage
 
     async def call_model(state):
         return {"messages": AIMessage("hi", id="1")}
@@ -7763,7 +7757,6 @@ async def test_stream_messages_dedupe_inputs() -> None:
 async def test_stream_messages_dedupe_state(
     async_checkpointer: BaseCheckpointSaver,
 ) -> None:
-    from langchain_core.messages import AIMessage
 
     to_emit = [AIMessage("bye", id="1"), AIMessage("bye again", id="2")]
 
@@ -8142,9 +8135,6 @@ async def test_no_redundant_put_writes_for_cached_task(
     async_checkpointer: BaseCheckpointSaver,
 ) -> None:
     """Cached @tasks on resume must not trigger redundant put_writes."""
-    from unittest.mock import patch
-
-    from langgraph.pregel._loop import PregelLoop
 
     @task
     async def setup(x: int) -> int:
@@ -8646,7 +8636,6 @@ async def test_batch_update_as_input(
 
 
 async def test_draw_invalid():
-    from langchain_core.messages import BaseMessage
 
     class AgentState(TypedDict):
         messages: Annotated[list[BaseMessage], add_messages]

libs/langgraph/tests/test_pydantic.py

@@ -4,10 +4,13 @@ import ipaddress
 import pathlib
 import re
 import sys
+import typing
 import uuid
 from enum import Enum
 from typing import Annotated, Literal, Optional
 
+import pydantic
+import typing_extensions
 from langgraph.checkpoint.base import BaseCheckpointSaver
 from pydantic import (
     BaseModel,
@@ -32,10 +35,6 @@ from tests.any_str import AnyStr
 
 def test_is_supported_by_pydantic() -> None:
     """Test if types are supported by pydantic."""
-    import typing
-
-    import pydantic
-    import typing_extensions
 
     class TypedDictExtensions(typing_extensions.TypedDict):
         x: int

libs/langgraph/tests/test_remote_graph.py

@@ -10,12 +10,14 @@ from langchain_core.messages import AnyMessage, BaseMessage
 from langchain_core.runnables import RunnableConfig
 from langchain_core.runnables.graph import Edge as DrawableEdge
 from langchain_core.runnables.graph import Node as DrawableNode
+from langgraph.checkpoint.memory import InMemorySaver
+from langgraph_sdk.client import get_client, get_sync_client
 from langgraph_sdk.schema import StreamPart
 from pydantic import BaseModel
 from typing_extensions import TypedDict
 
 from langgraph.errors import GraphInterrupt
-from langgraph.graph import StateGraph, add_messages
+from langgraph.graph import END, START, MessagesState, StateGraph, add_messages
 from langgraph.pregel import Pregel
 from langgraph.pregel.remote import RemoteGraph
 from langgraph.types import Interrupt, StateSnapshot
@@ -1097,10 +1099,6 @@ def test_stream_context_base_model():
 )
 @pytest.mark.anyio
 async def test_langgraph_cloud_integration():
-    from langgraph.checkpoint.memory import InMemorySaver
-    from langgraph_sdk.client import get_client, get_sync_client
-
-    from langgraph.graph import END, START, MessagesState, StateGraph
 
     # create RemotePregel instance
     client = get_client(url="http://localhost:8123")

libs/langgraph/tests/test_remote_graph_v3.py

@@ -4,6 +4,7 @@ from unittest.mock import AsyncMock, MagicMock
 
 import pytest
 
+from langgraph.pregel import remote as remote_mod
 from langgraph.pregel._remote_run_stream import (
     _AsyncRemoteGraphRunStream,
     _ChannelProjection,
@@ -577,7 +578,6 @@ def test_stream_events_v3_strips_checkpoint_keys_from_configurable():
 def test_stream_events_v3_merges_tracing_headers_when_distributed_tracing(
     monkeypatch,
 ):
-    from langgraph.pregel import remote as remote_mod
 
     sync_client = MagicMock()
     sync_client.threads.stream.return_value = MagicMock()

libs/langgraph/tests/test_retry.py

@@ -11,7 +11,9 @@ from typing import Annotated, Any
 from unittest.mock import Mock, patch
 from uuid import uuid4
 
+import httpx
 import pytest
+import requests
 from langchain_core.callbacks import AsyncCallbackManagerForLLMRun, BaseCallbackHandler
 from langchain_core.language_models.fake_chat_models import GenericFakeChatModel
 from langchain_core.messages import AIMessage, AIMessageChunk, BaseMessage, HumanMessage
@@ -63,6 +65,7 @@ from langgraph.types import (
     RetryPolicy,
     Send,
     TimeoutPolicy,
+    interrupt,
 )
 
 NEEDS_CONTEXTVARS = pytest.mark.skipif(
@@ -171,8 +174,6 @@ def test_checkpoint_ns_for_parent_command() -> None:
 
 def test_should_retry_default_retry_on():
     """Test the default retry_on function."""
-    import httpx
-    import requests
 
     # Create a RetryPolicy with default_retry_on
     policy = RetryPolicy()
@@ -2198,7 +2199,6 @@ def test_graph_error_handler_does_not_swallow_interrupt_concurrent():
     """When a graph error handler is configured and a node calls interrupt()
     concurrently with other nodes, the interrupt must still be raised — not
     silently swallowed."""
-    from langgraph.types import interrupt
 
     class State(TypedDict):
         foo: str
@@ -2587,8 +2587,6 @@ async def test_set_node_defaults_timeout():
         .compile()
     )
 
-    from langgraph.errors import NodeTimeoutError
-
     with pytest.raises(NodeTimeoutError):
         await graph.ainvoke({"foo": ""})
 

libs/langgraph/tests/test_runtime.py

@@ -6,9 +6,11 @@ from typing import Any
 
 import pytest
 from langgraph.checkpoint.memory import MemorySaver
+from langgraph.store.memory import InMemoryStore
 from pydantic import BaseModel, ValidationError
 from typing_extensions import TypedDict
 
+from langgraph._internal._constants import CONFIG_KEY_RUNTIME
 from langgraph.errors import GraphDrained
 from langgraph.graph import END, START, StateGraph
 from langgraph.runtime import (
@@ -1177,9 +1179,6 @@ def test_foreign_object_in_runtime_slot_is_coerced() -> None:
     `merge` when no per-run `context` is provided. `store` is resolved
     separately, so it is not read off the foreign object in the coercion.
     """
-    from langgraph.store.memory import InMemoryStore
-
-    from langgraph._internal._constants import CONFIG_KEY_RUNTIME
 
     store = InMemoryStore()
     graph_level_context = {"source": "graph-level"}

libs/langgraph/tests/test_serde_allowlist.py

@@ -79,7 +79,7 @@ class DummyChannel:
 
 def test_curated_core_allowlist_includes_messages() -> None:
     try:
-        from langchain_core.messages import BaseMessage
+        from langchain_core.messages import BaseMessage  # noqa: PLC0415
     except Exception:
         pytest.skip("langchain_core not available")
     allowlist = curated_core_allowlist()

libs/langgraph/tests/test_stream_data_transformers.py

@@ -13,8 +13,10 @@ import operator
 import time
 from typing import Annotated, Any
 
+from langgraph.checkpoint.memory import InMemorySaver
 from typing_extensions import TypedDict
 
+from langgraph.config import get_stream_writer
 from langgraph.constants import END, START
 from langgraph.graph import StateGraph
 from langgraph.stream._mux import StreamMux
@@ -488,7 +490,6 @@ class _State(TypedDict):
 
 
 def _my_node(state: _State) -> dict[str, Any]:
-    from langgraph.config import get_stream_writer
 
     writer = get_stream_writer()
     writer({"status": "working", "node": "my_node"})
@@ -606,7 +607,6 @@ def test_stream_events_v3_all_transformers_interleaved() -> None:
 
 def test_stream_events_v3_all_transformers_with_checkpointer() -> None:
     """All transformers with a checkpointer — run.checkpoints populated."""
-    from langgraph.checkpoint.memory import InMemorySaver
 
     builder = StateGraph(_State, input_schema=_State)
     builder.add_node("my_node", _my_node)
@@ -645,7 +645,6 @@ def test_stream_events_v3_all_transformers_with_checkpointer() -> None:
 
 def test_stream_events_v3_checkpoints_projection_opt_in() -> None:
     """run.checkpoints surfaces checkpoint data when opted in with a checkpointer."""
-    from langgraph.checkpoint.memory import InMemorySaver
 
     builder = StateGraph(_State, input_schema=_State)
     builder.add_node("my_node", _my_node)

libs/langgraph/tests/test_stream_events_v3.py

@@ -12,6 +12,10 @@ from dataclasses import dataclass
 from typing import Annotated, Any, TypeVar
 
 import pytest
+from langchain_core.language_models.chat_model_stream import (
+    AsyncChatModelStream,
+    ChatModelStream,
+)
 from langchain_core.messages import AIMessage, BaseMessage
 from langgraph.checkpoint.memory import InMemorySaver
 from pydantic import BaseModel, ValidationError
@@ -24,6 +28,14 @@ from langgraph.func import entrypoint
 from langgraph.graph import StateGraph
 from langgraph.graph.message import MessagesState
 from langgraph.runtime import RunControl
+from langgraph.stream import (
+    AsyncGraphRunStream,
+    AsyncSubgraphRunStream,
+    GraphRunStream,
+    LifecyclePayload,
+    StreamChannel,
+    SubgraphRunStream,
+)
 from langgraph.types import (
     CheckpointPayload,
     CheckpointStreamPart,
@@ -1178,3 +1190,32 @@ def _check_type_narrowing(part: StreamPart[_StateT, _OutputT]) -> None:
         assert_type(part, DebugStreamPart[_StateT])
         assert_type(part["data"], DebugPayload[_StateT])
     assert_type(part["ns"], tuple[str, ...])
+
+
+# --- v3 stream_events return / projection typing checks ---
+# These functions are never called at runtime; `ty` validates the
+# assert_type calls. They pin the public typing surface of
+# stream_events(version="v3") / astream_events(version="v3"): the handle
+# type and the always-registered native projections.
+
+
+def _check_stream_events_v3_typing() -> None:
+    """Compile-time checks for sync v3 typing — never called at runtime."""
+    graph = _make_simple_graph().compile()
+    run = graph.stream_events(_SIMPLE_INPUT, version="v3")
+    assert_type(run, GraphRunStream)
+    assert_type(run.values, StreamChannel[dict[str, Any]])
+    assert_type(run.messages, StreamChannel[ChatModelStream])
+    assert_type(run.lifecycle, StreamChannel[LifecyclePayload])
+    assert_type(run.subgraphs, StreamChannel[SubgraphRunStream])
+
+
+async def _check_astream_events_v3_typing() -> None:
+    """Compile-time checks for async v3 typing — never called at runtime."""
+    graph = _make_simple_graph().compile()
+    run = await graph.astream_events(_SIMPLE_INPUT, version="v3")
+    assert_type(run, AsyncGraphRunStream)
+    assert_type(run.values, StreamChannel[dict[str, Any]])
+    assert_type(run.messages, StreamChannel[AsyncChatModelStream])
+    assert_type(run.lifecycle, StreamChannel[LifecyclePayload])
+    assert_type(run.subgraphs, StreamChannel[AsyncSubgraphRunStream])

libs/langgraph/tests/test_stream_messages_transformer.py

@@ -3,8 +3,10 @@ legacy v1 chunk filtering, and end-to-end via stream_events(version="v3") / astr
 
 from __future__ import annotations
 
+import asyncio
 import time
 from typing import Any
+from uuid import uuid4
 
 import pytest
 from langchain_core.language_models import GenericFakeChatModel
@@ -13,11 +15,13 @@ from langchain_core.language_models.chat_model_stream import (
     ChatModelStream,
 )
 from langchain_core.messages import AIMessage, AIMessageChunk, ToolMessage
+from langchain_core.outputs import ChatGeneration, ChatGenerationChunk, LLMResult
 from langchain_core.runnables import RunnableConfig
 from typing_extensions import TypedDict
 
 from langgraph.constants import END, START
 from langgraph.graph import MessagesState, StateGraph
+from langgraph.pregel._messages import StreamMessagesHandlerV2
 from langgraph.stream._mux import StreamMux
 from langgraph.stream.run_stream import GraphRunStream
 from langgraph.stream.stream_channel import StreamChannel
@@ -607,7 +611,6 @@ class TestEndToEnd:
     @pytest.mark.anyio
     async def test_nested_async_iteration_yields_text_deltas(self) -> None:
         """Inner stream.text drives the shared graph pump via the async pump binding."""
-        import asyncio
 
         model = GenericFakeChatModel(messages=iter(["hello world"]))
 
@@ -870,11 +873,6 @@ class TestDirectMessagesModeStaysV1:
 class TestStreamMessagesHandlerV2Unit:
     def test_on_llm_new_token_is_noop(self) -> None:
         """v2 handler must not emit v1 chunks even when on_llm_new_token fires."""
-        from uuid import uuid4
-
-        from langchain_core.outputs import ChatGenerationChunk
-
-        from langgraph.pregel._messages import StreamMessagesHandlerV2
 
         emitted: list[Any] = []
         handler = StreamMessagesHandlerV2(emitted.append, subgraphs=False)
@@ -890,9 +888,6 @@ class TestStreamMessagesHandlerV2Unit:
         assert emitted == []
 
     def test_on_chain_end_does_not_emit_tool_messages(self) -> None:
-        from uuid import uuid4
-
-        from langgraph.pregel._messages import StreamMessagesHandlerV2
 
         emitted: list[Any] = []
         handler = StreamMessagesHandlerV2(emitted.append, subgraphs=False)
@@ -909,11 +904,6 @@ class TestStreamMessagesHandlerV2Unit:
     def test_on_llm_end_dedupes_when_final_message_id_differs(self) -> None:
         """A streamed v2 message should not be emitted again from the final
         AIMessage fallback when its final id does not match `message-start`."""
-        from uuid import uuid4
-
-        from langchain_core.outputs import ChatGeneration, LLMResult
-
-        from langgraph.pregel._messages import StreamMessagesHandlerV2
 
         emitted: list[Any] = []
         handler = StreamMessagesHandlerV2(emitted.append, subgraphs=False)

libs/langgraph/tests/test_subgraph_detection.py

@@ -0,0 +1,286 @@
+"""Tests for subgraph auto-detection (`pregel/_utils.py`).
+
+Detection failing is silent — the graph still runs, only introspection goes
+quiet — so every shape a node can hold a graph in is pinned here. The expected
+values are what the source-parsing implementation this replaced produced for
+the same shapes, except for `sourceless`, whose source it could not read,
+`empty_closure_cell`, on which it raised, and `unreachable_attribute_chain`,
+where it reported a graph that dropped code could never invoke.
+"""
+
+import functools
+import operator
+from typing import Annotated, Any
+
+import pytest
+from typing_extensions import TypedDict
+
+from langgraph.graph import END, START, StateGraph
+from langgraph.pregel._utils import get_function_nonlocals
+
+
+class State(TypedDict):
+    log: Annotated[list, operator.add]
+
+
+def _leaf(tag: str) -> Any:
+    """Return a compiled graph that reports itself as `tag`."""
+    builder = StateGraph(State)
+    builder.add_node(tag, lambda s: {"log": [tag]})
+    builder.add_edge(START, tag)
+    builder.add_edge(tag, END)
+    compiled = builder.compile()
+    compiled.name = tag
+    return compiled
+
+
+def _detect(node: Any) -> str | None:
+    """Return the name of the subgraph detected for `node`, or None."""
+    builder = StateGraph(State)
+    builder.add_node("n", node)
+    builder.add_edge(START, "n")
+    builder.add_edge("n", END)
+    subgraphs = builder.compile().nodes["n"].subgraphs
+    return getattr(subgraphs[0], "name", "?") if subgraphs else None
+
+
+class _Box:
+    def __init__(self, payload: Any) -> None:
+        self.payload = payload
+
+
+class _ListSubclass(list):
+    pass
+
+
+class _MethodHolder:
+    def __init__(self) -> None:
+        self.graph = _leaf("via_self")
+
+    def as_node(self, state: State) -> Any:
+        return self.graph.invoke(state)
+
+
+MODULE_GRAPH = _leaf("module_global")
+CHAIN = _Box(_Box(_leaf("attr_chain")))
+GRAPH_IN_PLAIN_LIST = [_leaf("in_list")]
+METHOD_HOLDER = _MethodHolder()
+
+
+def closure_capture() -> Any:
+    sub = _leaf("closure")
+
+    def node(state: State) -> Any:
+        return sub.invoke(state)
+
+    return node
+
+
+def module_global() -> Any:
+    def node(state: State) -> Any:
+        return MODULE_GRAPH.invoke(state)
+
+    return node
+
+
+def attribute_chain() -> Any:
+    def node(state: State) -> Any:
+        return CHAIN.payload.payload.invoke(state)
+
+    return node
+
+
+def nested_def_captured_attribute() -> Any:
+    """A chain on a captured holder, named only inside a nested code object.
+
+    The captured value is the holder, not the graph, so the chain itself has to
+    be recovered from the nested scope.
+    """
+    holder = _Box(_leaf("nested_captured"))
+
+    def node(state: State) -> Any:
+        def inner() -> Any:
+            return holder.payload.invoke(state)
+
+        return inner()
+
+    return node
+
+
+def unreachable_branch() -> Any:
+    """A captured graph referenced only from code the compiler removes."""
+    sub = _leaf("unreachable")
+
+    def node(state: State) -> Any:
+        if False:
+            sub.invoke(state)
+        return {"log": []}
+
+    return node
+
+
+def unreachable_attribute_chain() -> Any:
+    """A graph named only along an attribute path the compiler dropped.
+
+    The closure keeps `holder`, but the `.payload` load is gone. The source
+    parser reported this one; dropped code cannot invoke anything, so that was
+    a phantom rather than a detection.
+    """
+    holder = _Box(_leaf("unreachable_attr"))
+
+    def node(state: State) -> Any:
+        if False:
+            holder.payload.invoke(state)
+        return {"log": []}
+
+    return node
+
+
+def wrapper_referencing_nothing() -> Any:
+    """A wrapper whose own scope holds nothing, so only `__wrapped__` leads on.
+
+    `functools.wraps` would leave the wrapper closing over the inner function;
+    setting the attribute by hand does not.
+    """
+    sub = _leaf("via_wrapped")
+
+    def inner(state: State) -> Any:
+        return sub.invoke(state)
+
+    def wrapper(state: State) -> Any:
+        return {"log": []}
+
+    wrapper.__wrapped__ = inner
+    return wrapper
+
+
+def captured_list_subclass() -> Any:
+    """A `list` subclass is not a leaf: it can carry a graph as an attribute."""
+    holder = _ListSubclass()
+    holder.payload = _leaf("list_subclass")
+
+    def node(state: State) -> Any:
+        return holder.payload.invoke(state)
+
+    return node
+
+
+def empty_closure_cell() -> Any:
+    """An unassigned closure variable leaves a cell that cannot be read."""
+    sub = _leaf("beside_empty_cell")
+
+    def node(state: State) -> Any:
+        return unassigned, sub.invoke(state)
+
+    return node
+    unassigned = 1  # never runs, so the cell it creates is never filled
+
+
+def sourceless() -> Any:
+    """A node compiled without a source file, which `getsource` could not read."""
+    namespace: dict[str, Any] = {"SOURCELESS": _leaf("sourceless")}
+    exec(
+        compile(
+            "def node(state):\n    return SOURCELESS.invoke(state)", "<test>", "exec"
+        ),
+        namespace,
+    )
+    return namespace["node"]
+
+
+async def _async_node(state: State) -> Any:
+    return await MODULE_GRAPH.ainvoke(state)
+
+
+def async_node() -> Any:
+    return _async_node
+
+
+def no_subgraph() -> Any:
+    """Nothing but leaf values in reach, so the bytecode walk is skipped."""
+
+    def node(state: State) -> Any:
+        return {"log": [len("abc") + 1]}
+
+    return node
+
+
+def recombined_names() -> Any:
+    """Loads `CHAIN.payload` and `local.payload`, never `CHAIN.payload.payload`."""
+
+    def node(state: State) -> Any:
+        local = _Box("not a graph")
+        return {"log": [CHAIN.payload, local.payload]}
+
+    return node
+
+
+def broken_attribute_chain() -> Any:
+    holder = _Box("a string, so `.payload.missing` cannot resolve")
+
+    def node(state: State) -> Any:
+        return holder.payload.missing.invoke(state)
+
+    return node
+
+
+def nested_def_global() -> Any:
+    """A global named only in a nested code object: out of reach, as before."""
+
+    def node(state: State) -> Any:
+        def inner() -> Any:
+            return MODULE_GRAPH.invoke(state)
+
+        return inner()
+
+    return node
+
+
+def graph_in_plain_list() -> Any:
+    def node(state: State) -> Any:
+        return GRAPH_IN_PLAIN_LIST[0].invoke(state)
+
+    return node
+
+
+def bound_method_self() -> Any:
+    return METHOD_HOLDER.as_node
+
+
+@pytest.mark.parametrize(
+    ("factory", "expected"),
+    [
+        (closure_capture, "closure"),
+        (module_global, "module_global"),
+        (attribute_chain, "attr_chain"),
+        (nested_def_captured_attribute, "nested_captured"),
+        (unreachable_branch, "unreachable"),
+        (wrapper_referencing_nothing, "via_wrapped"),
+        (captured_list_subclass, "list_subclass"),
+        (empty_closure_cell, "beside_empty_cell"),
+        (sourceless, "sourceless"),
+        (async_node, "module_global"),
+        # Shapes no reference chain reaches: a subscript, an instance attribute
+        # of `self`, a global named only in a nested scope, and an attribute
+        # path the compiler dropped.
+        (no_subgraph, None),
+        (recombined_names, None),
+        (broken_attribute_chain, None),
+        (nested_def_global, None),
+        (graph_in_plain_list, None),
+        (bound_method_self, None),
+        (unreachable_attribute_chain, None),
+    ],
+    ids=lambda value: value.__name__ if callable(value) else str(value),
+)
+def test_subgraph_detection(factory: Any, expected: str | None) -> None:
+    assert _detect(factory()) == expected
+
+
+@pytest.mark.parametrize(
+    "candidate",
+    [functools.partial(lambda state, extra: {"log": [extra]}, extra="x"), len],
+    ids=["partial", "builtin"],
+)
+def test_callables_without_a_code_object_are_handled(candidate: Any) -> None:
+    assert get_function_nonlocals(candidate) == []

libs/langgraph/tests/test_trace_policy.py

@@ -0,0 +1,149 @@
+"""End-to-end tests for `TracePolicy` input processing on node trace runs."""
+
+from typing import Any
+
+import pytest
+from typing_extensions import TypedDict
+
+from langgraph.graph import END, START, StateGraph
+from langgraph.types import TracePolicy
+from tests.fake_tracer import FakeTracer, Run
+
+
+class State(TypedDict):
+    value: int
+
+
+def _node_run(tracer: FakeTracer, name: str) -> Run:
+    return next(r for r in tracer.flattened_runs() if r.name == name)
+
+
+def _incr(state: State) -> State:
+    return {"value": state["value"] + 1}
+
+
+def test_trace_policy_transforms_recorded_inputs() -> None:
+    seen: dict[str, Any] = {}
+
+    def process_inputs(inp: Any) -> Any:
+        seen["inputs"] = inp
+        return {"scrubbed_in": True}
+
+    graph = (
+        StateGraph(State)
+        .add_node("n", _incr, trace_policy=TracePolicy(process_inputs=process_inputs))
+        .add_edge(START, "n")
+        .add_edge("n", END)
+        .compile()
+    )
+
+    tracer = FakeTracer()
+    # the real graph output is unaffected by the trace policy
+    assert graph.invoke({"value": 1}, {"callbacks": [tracer]}) == {"value": 2}
+
+    run = _node_run(tracer, "n")
+    # the recorded input is transformed; the output is recorded as-is
+    assert run.inputs == {"scrubbed_in": True}
+    assert run.outputs == {"value": 2}
+    # process_inputs observed the real, untransformed input
+    assert seen["inputs"] == {"value": 1}
+
+
+def test_trace_policy_transforms_recorded_outputs() -> None:
+    seen: dict[str, Any] = {}
+
+    def process_outputs(out: Any) -> Any:
+        seen["outputs"] = out
+        return {"scrubbed_out": True}
+
+    graph = (
+        StateGraph(State)
+        .add_node("n", _incr, trace_policy=TracePolicy(process_outputs=process_outputs))
+        .add_edge(START, "n")
+        .add_edge("n", END)
+        .compile()
+    )
+
+    tracer = FakeTracer()
+    # the real graph output is unaffected by the trace policy
+    assert graph.invoke({"value": 1}, {"callbacks": [tracer]}) == {"value": 2}
+
+    run = _node_run(tracer, "n")
+    # the recorded output is transformed; the input is recorded as-is
+    assert run.inputs == {"value": 1}
+    assert run.outputs == {"scrubbed_out": True}
+    # process_outputs observed the real, untransformed output
+    assert seen["outputs"] == {"value": 2}
+
+
+def test_trace_policy_none_records_real_payloads() -> None:
+    graph = (
+        StateGraph(State)
+        .add_node("n", _incr)
+        .add_edge(START, "n")
+        .add_edge("n", END)
+        .compile()
+    )
+
+    tracer = FakeTracer()
+    assert graph.invoke({"value": 1}, {"callbacks": [tracer]}) == {"value": 2}
+
+    run = _node_run(tracer, "n")
+    assert run.inputs == {"value": 1}
+    assert run.outputs == {"value": 2}
+
+
+def test_trace_policy_processor_error_safe_without_callbacks() -> None:
+    def boom(_inp: Any) -> Any:
+        raise RuntimeError("processor failed")
+
+    graph = (
+        StateGraph(State)
+        .add_node("n", _incr, trace_policy=TracePolicy(process_inputs=boom))
+        .add_edge(START, "n")
+        .add_edge("n", END)
+        .compile()
+    )
+
+    # no callbacks: the processor still runs but is fail-open, so execution is unaffected
+    assert graph.invoke({"value": 1}) == {"value": 2}
+
+
+def test_trace_policy_processor_error_does_not_break_execution() -> None:
+    def boom(_inp: Any) -> Any:
+        raise RuntimeError("processor failed")
+
+    graph = (
+        StateGraph(State)
+        .add_node("n", _incr, trace_policy=TracePolicy(process_inputs=boom))
+        .add_edge(START, "n")
+        .add_edge("n", END)
+        .compile()
+    )
+
+    tracer = FakeTracer()
+    # a raising processor must not abort the node; the untransformed input is recorded
+    assert graph.invoke({"value": 1}, {"callbacks": [tracer]}) == {"value": 2}
+    assert _node_run(tracer, "n").inputs == {"value": 1}
+
+
+@pytest.mark.anyio
+async def test_trace_policy_transforms_recorded_inputs_async() -> None:
+    graph = (
+        StateGraph(State)
+        .add_node(
+            "n",
+            _incr,
+            trace_policy=TracePolicy(process_inputs=lambda _: {"scrubbed_in": True}),
+        )
+        .add_edge(START, "n")
+        .add_edge("n", END)
+        .compile()
+    )
+
+    tracer = FakeTracer()
+    assert await graph.ainvoke({"value": 5}, {"callbacks": [tracer]}) == {"value": 6}
+
+    run = _node_run(tracer, "n")
+    assert run.inputs == {"scrubbed_in": True}
+    assert run.outputs == {"value": 6}

libs/langgraph/tests/test_utils.py

@@ -2,6 +2,7 @@ import functools
 import sys
 import uuid
 from collections.abc import Callable
+from dataclasses import dataclass
 from typing import (
     Annotated,
     Any,
@@ -17,7 +18,10 @@ import langsmith
 import pytest
 from langchain_core.callbacks import BaseCallbackHandler, CallbackManager
 from langchain_core.runnables import RunnableConfig
+from langchain_core.runnables.config import var_child_runnable_config
 from langchain_core.tracers import LangChainTracer
+from langsmith import get_current_run_tree  # type: ignore
+from pydantic import BaseModel, Field
 from typing_extensions import NotRequired, Required, TypedDict
 
 from langgraph._internal._config import (
@@ -118,7 +122,6 @@ def rt_graph() -> CompiledStateGraph:
         node_run_id: int
 
     def node(_: State):
-        from langsmith import get_current_run_tree  # type: ignore
 
         return {"node_run_id": get_current_run_tree().id}  # type: ignore
 
@@ -243,10 +246,6 @@ def test_is_required():
 
 
 def test_enhanced_type_hints() -> None:
-    from dataclasses import dataclass
-    from typing import Annotated
-
-    from pydantic import BaseModel, Field
 
     class MyTypedDict(TypedDict):
         val_1: str
@@ -510,7 +509,6 @@ def test_ensure_config_explicit_configurable_replaces_ambient() -> None:
     # An explicit checkpoint coordinate (here a new thread_id) starts a fresh
     # lineage and drops the ambient run context (e.g. a parent task's
     # checkpoint_ns), so a child graph does not inherit it.
-    from langchain_core.runnables.config import var_child_runnable_config
 
     token = var_child_runnable_config.set(
         {"configurable": {"checkpoint_ns": "p:parent-task", "checkpoint_id": "cid"}}
@@ -527,7 +525,6 @@ def test_ensure_config_explicit_configurable_replaces_ambient() -> None:
 def test_ensure_config_ambient_inherited_when_no_explicit_configurable() -> None:
     # With no explicit configurable, the ambient run context is inherited
     # unchanged (stateless subgraph / interrupt-resume pattern).
-    from langchain_core.runnables.config import var_child_runnable_config
 
     token = var_child_runnable_config.set(
         {"configurable": {"checkpoint_ns": "p:parent-task"}}
@@ -543,7 +540,6 @@ def test_ensure_config_explicit_configurables_still_merge_over_ambient() -> None
     # A new thread_id drops the ambient, but explicit configs still shallow-merge
     # among themselves, so a with_config(...) value (ls_agent_type) survives
     # alongside an invoke-time thread_id.
-    from langchain_core.runnables.config import var_child_runnable_config
 
     token = var_child_runnable_config.set(
         {"configurable": {"checkpoint_ns": "p:parent-task"}}
@@ -564,7 +560,6 @@ def test_ensure_config_non_coordinate_config_keeps_ambient_checkpoint_ns() -> No
     # A nested subagent is invoked with a non-coordinate configurable key
     # (ls_agent_type) and no thread_id; it must keep the inherited checkpoint_ns
     # so it stays a discoverable child of the parent run (deepagents `task` tool).
-    from langchain_core.runnables.config import var_child_runnable_config
 
     token = var_child_runnable_config.set(
         {"configurable": {"thread_id": "parent", "checkpoint_ns": "p:parent-task"}}
@@ -582,7 +577,6 @@ def test_ensure_config_same_thread_id_still_clears_ambient() -> None:
     # A child that reuses the parent's thread_id is still addressing its own root
     # namespace on that thread, so the parent task's checkpoint_ns must not leak
     # in; otherwise the child writes state that get_state cannot read back.
-    from langchain_core.runnables.config import var_child_runnable_config
 
     token = var_child_runnable_config.set(
         {"configurable": {"thread_id": "shared", "checkpoint_ns": "p:parent-task"}}