bazel ugh

Bumps the all-dependencies group in /libs/cli with 2 updates:
[langgraph-sdk](https://github.com/langchain-ai/langgraph) and
[ruff](https://github.com/astral-sh/ruff).

Updates `langgraph-sdk` from 0.3.6 to 0.3.8
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/langchain-ai/langgraph/releases">langgraph-sdk's
releases</a>.</em></p>
<blockquote>
<h2>cli==0.3.8</h2>
<p>Changes since cli==0.3.7</p>
<ul>
<li>release(cli): Bump max bound of langgraph-api (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/5978">#5978</a>)</li>
</ul>
<h2>langgraph-sdk==0.3.8</h2>
<p>Changes since sdk==0.3.7</p>
<ul>
<li>release(sdk-py): 0.3.8 (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/6873">#6873</a>)</li>
<li>feat(sdk-py): add stream_mode, stream_subgraphs, stream_resumable,
durability to crons (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/6876">#6876</a>)</li>
<li>release: langgraph + prebuilt (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/6875">#6875</a>)</li>
<li>feat(sdk-py): improve store auth type safety and docstrings (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/6867">#6867</a>)</li>
</ul>
<h2>cli==0.3.7</h2>
<p>Changes since cli==0.3.6</p>
<ul>
<li>release(cli): Support bookworm, trixie, etc. (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/5975">#5975</a>)</li>
</ul>
<h2>langgraph-sdk==0.3.7</h2>
<p>Changes since sdk==0.3.6</p>
<ul>
<li>fix(sdk-py): allow reset of config/context in assistants update (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/6862">#6862</a>)</li>
<li>chore: state_updated_at sort by (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/6857">#6857</a>)</li>
<li>chore: bump orjson (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/6852">#6852</a>)</li>
<li>chore: conformance testing (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/6842">#6842</a>)</li>
<li>chore(deps): bump the all-dependencies group in /libs/sdk-py with 4
updates (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/6809">#6809</a>)</li>
<li>chore(deps): bump langchain-core from 1.2.10 to 1.2.11 in
/libs/sdk-py (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/6829">#6829</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/aae2fb4b85f15dbe53b23ab218a69ad975a0cc39"><code>aae2fb4</code></a>
langgraph: release 0.3.8 (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/3803">#3803</a>)</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/c20a50875df412323bddfc5eacbdaf31c012968a"><code>c20a508</code></a>
langgraph: handle pydantic state updates better for fields w/ defaults
(<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/3783">#3783</a>)</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/208cd4d70e71964af5c470850d7a58cb47a17289"><code>208cd4d</code></a>
Add default TTL in store &amp; CLI (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/3786">#3786</a>)</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/1352e581330f85ed8d2552d8b2d5b7fc7334d1d7"><code>1352e58</code></a>
chore(langgraph): add functional api test for multiple task interrupts
(<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/3790">#3790</a>)</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/f1162ac8985e04d5a071b44ad6fb904443fb9bdc"><code>f1162ac</code></a>
Bump</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/4de8443c5c9cc0581025125e1bd4f26a7dba8dba"><code>4de8443</code></a>
Add default TTL in store &amp; CLI</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/96dc39aeabfc49bdd747c0f756296522a018217d"><code>96dc39a</code></a>
0.3.7</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/316f8410fa27bd32c29f9f42950029698ccdc15d"><code>316f841</code></a>
Avoid validating pydantic state models when we can (<a
href="https://redirect.github.com/langchain-ai/langgraph/issues/3782">#3782</a>)</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/1d3926af27464d7a9678dd9ca175c7766e8dbd8e"><code>1d3926a</code></a>
Fix kafka</li>
<li><a
href="https://github.com/langchain-ai/langgraph/commit/e566ed4b3fd04962fddd3ae95959a671645d652d"><code>e566ed4</code></a>
Fix py 3.9</li>
<li>Additional commits viewable in <a
href="https://github.com/langchain-ai/langgraph/compare/0.3.6...0.3.8">compare
view</a></li>
</ul>
</details>
<br />

Updates `ruff` from 0.15.1 to 0.15.2
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/astral-sh/ruff/releases">ruff's
releases</a>.</em></p>
<blockquote>
<h2>0.15.2</h2>
<h2>Release Notes</h2>
<p>Released on 2026-02-19.</p>
<h3>Preview features</h3>
<ul>
<li>
<p>Expand the default rule set (<a
href="https://redirect.github.com/astral-sh/ruff/pull/23385">#23385</a>)</p>
<p>In preview, Ruff now enables a significantly expanded default rule
set of 412 rules, up from the stable default set of 59 rules. The new
rules are mostly a superset of the stable defaults, with the exception
of these rules, which are removed from the preview defaults:</p>
<ul>
<li><a
href="https://docs.astral.sh/ruff/rules/multiple-imports-on-one-line"><code>multiple-imports-on-one-line</code></a>
(<code>E401</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/module-import-not-at-top-of-file"><code>module-import-not-at-top-of-file</code></a>
(<code>E402</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/module-import-not-at-top-of-file"><code>module-import-not-at-top-of-file</code></a>
(<code>E701</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/multiple-statements-on-one-line-semicolon"><code>multiple-statements-on-one-line-semicolon</code></a>
(<code>E702</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/useless-semicolon"><code>useless-semicolon</code></a>
(<code>E703</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/none-comparison"><code>none-comparison</code></a>
(<code>E711</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/true-false-comparison"><code>true-false-comparison</code></a>
(<code>E712</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/not-in-test"><code>not-in-test</code></a>
(<code>E713</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/not-is-test"><code>not-is-test</code></a>
(<code>E714</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/type-comparison"><code>type-comparison</code></a>
(<code>E721</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/lambda-assignment"><code>lambda-assignment</code></a>
(<code>E731</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/ambiguous-variable-name"><code>ambiguous-variable-name</code></a>
(<code>E741</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/ambiguous-class-name"><code>ambiguous-class-name</code></a>
(<code>E742</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/ambiguous-function-name"><code>ambiguous-function-name</code></a>
(<code>E743</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/undefined-local-with-import-star"><code>undefined-local-with-import-star</code></a>
(<code>F403</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/undefined-local-with-import-star-usage"><code>undefined-local-with-import-star-usage</code></a>
(<code>F405</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/undefined-local-with-nested-import-star-usage"><code>undefined-local-with-nested-import-star-usage</code></a>
(<code>F406</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/forward-annotation-syntax-error"><code>forward-annotation-syntax-error</code></a>
(<code>F722</code>)</li>
</ul>
<p>If you use preview and prefer the old defaults, you can restore them
with configuration like:</p>
<pre lang="toml"><code>
# ruff.toml
<p>[lint]
select = [&quot;E4&quot;, &quot;E7&quot;, &quot;E9&quot;,
&quot;F&quot;]</p>
<h1>pyproject.toml</h1>
<p>[tool.ruff.lint]
select = [&quot;E4&quot;, &quot;E7&quot;, &quot;E9&quot;, &quot;F&quot;]
</code></pre></p>
<p>If you do give them a try, feel free to share your feedback in the <a
href="https://github.com/astral-sh/ruff/discussions/23203">GitHub
discussion</a>!</p>
</li>
<li>
<p>[<code>flake8-pyi</code>] Also check string annotations
(<code>PYI041</code>) (<a
href="https://redirect.github.com/astral-sh/ruff/pull/19023">#19023</a>)</p>
</li>
</ul>
<h3>Bug fixes</h3>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md">ruff's
changelog</a>.</em></p>
<blockquote>
<h2>0.15.2</h2>
<p>Released on 2026-02-19.</p>
<h3>Preview features</h3>
<ul>
<li>
<p>Expand the default rule set (<a
href="https://redirect.github.com/astral-sh/ruff/pull/23385">#23385</a>)</p>
<p>In preview, Ruff now enables a significantly expanded default rule
set of 412
rules, up from the stable default set of 59 rules. The new rules are
mostly a
superset of the stable defaults, with the exception of these rules,
which are
removed from the preview defaults:</p>
<ul>
<li><a
href="https://docs.astral.sh/ruff/rules/multiple-imports-on-one-line"><code>multiple-imports-on-one-line</code></a>
(<code>E401</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/module-import-not-at-top-of-file"><code>module-import-not-at-top-of-file</code></a>
(<code>E402</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/module-import-not-at-top-of-file"><code>module-import-not-at-top-of-file</code></a>
(<code>E701</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/multiple-statements-on-one-line-semicolon"><code>multiple-statements-on-one-line-semicolon</code></a>
(<code>E702</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/useless-semicolon"><code>useless-semicolon</code></a>
(<code>E703</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/none-comparison"><code>none-comparison</code></a>
(<code>E711</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/true-false-comparison"><code>true-false-comparison</code></a>
(<code>E712</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/not-in-test"><code>not-in-test</code></a>
(<code>E713</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/not-is-test"><code>not-is-test</code></a>
(<code>E714</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/type-comparison"><code>type-comparison</code></a>
(<code>E721</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/lambda-assignment"><code>lambda-assignment</code></a>
(<code>E731</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/ambiguous-variable-name"><code>ambiguous-variable-name</code></a>
(<code>E741</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/ambiguous-class-name"><code>ambiguous-class-name</code></a>
(<code>E742</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/ambiguous-function-name"><code>ambiguous-function-name</code></a>
(<code>E743</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/undefined-local-with-import-star"><code>undefined-local-with-import-star</code></a>
(<code>F403</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/undefined-local-with-import-star-usage"><code>undefined-local-with-import-star-usage</code></a>
(<code>F405</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/undefined-local-with-nested-import-star-usage"><code>undefined-local-with-nested-import-star-usage</code></a>
(<code>F406</code>)</li>
<li><a
href="https://docs.astral.sh/ruff/rules/forward-annotation-syntax-error"><code>forward-annotation-syntax-error</code></a>
(<code>F722</code>)</li>
</ul>
<p>If you use preview and prefer the old defaults, you can restore them
with
configuration like:</p>
<pre lang="toml"><code>
# ruff.toml
<p>[lint]
select = [&quot;E4&quot;, &quot;E7&quot;, &quot;E9&quot;,
&quot;F&quot;]</p>
<h1>pyproject.toml</h1>
<p>[tool.ruff.lint]
select = [&quot;E4&quot;, &quot;E7&quot;, &quot;E9&quot;, &quot;F&quot;]
</code></pre></p>
<p>If you do give them a try, feel free to share your feedback in the <a
href="https://github.com/astral-sh/ruff/discussions/23203">GitHub
discussion</a>!</p>
</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/astral-sh/ruff/commit/9d18ee9115f9cbb4c21478baa7c1fa2b46e0759c"><code>9d18ee9</code></a>
Hard code workflow name and <code>cancel-in-progress</code> only for PRs
(<a
href="https://redirect.github.com/astral-sh/ruff/issues/23431">#23431</a>)</li>
<li><a
href="https://github.com/astral-sh/ruff/commit/7cc15f024b931fe56365f40de3fab01219c092c4"><code>7cc15f0</code></a>
Bump 0.15.2 (<a
href="https://redirect.github.com/astral-sh/ruff/issues/23430">#23430</a>)</li>
<li><a
href="https://github.com/astral-sh/ruff/commit/d1b544393ae9cddd8e48ebee8dbfd54bda89f375"><code>d1b5443</code></a>
Add extension mapping to configuration file options (<a
href="https://redirect.github.com/astral-sh/ruff/issues/23384">#23384</a>)</li>
<li><a
href="https://github.com/astral-sh/ruff/commit/222574af90c5c0ca8f84c8385cf30c7c10ac2496"><code>222574a</code></a>
Expand the default rule set (<a
href="https://redirect.github.com/astral-sh/ruff/issues/23385">#23385</a>)</li>
<li><a
href="https://github.com/astral-sh/ruff/commit/1465b5de3829549b45397e9587b83ab7ac6d26d0"><code>1465b5d</code></a>
[<code>flake8-async</code>] Fix <code>in_async_context</code> logic (<a
href="https://redirect.github.com/astral-sh/ruff/issues/23426">#23426</a>)</li>
<li><a
href="https://github.com/astral-sh/ruff/commit/410902fa401afda969cc000f13be341896e6868e"><code>410902f</code></a>
[<code>pyupgrade</code>] Fix handling of <code>typing.{io,re}</code>
(<code>UP035</code>) (<a
href="https://redirect.github.com/astral-sh/ruff/issues/23131">#23131</a>)</li>
<li><a
href="https://github.com/astral-sh/ruff/commit/729610acd9e19f57526e8ca40f355626154826bb"><code>729610a</code></a>
[ty] Fall back to ambiguous for large control flow graphs (<a
href="https://redirect.github.com/astral-sh/ruff/issues/23399">#23399</a>)</li>
<li><a
href="https://github.com/astral-sh/ruff/commit/1425c185b0a47be87112762f65b5bf7e323fb950"><code>1425c18</code></a>
[ty] Add code folding support</li>
<li><a
href="https://github.com/astral-sh/ruff/commit/97acaaea5f993f33d3f5bb27c5db760a2f3d1e8a"><code>97acaae</code></a>
[ty] Fix stack overflow for self-referential <code>TypeOf</code> in
annotations (<a
href="https://redirect.github.com/astral-sh/ruff/issues/23407">#23407</a>)</li>
<li><a
href="https://github.com/astral-sh/ruff/commit/1f380c82584a6dab7e8715bc7dd5ae187da1e69a"><code>1f380c8</code></a>
[ty] Update tests <code>reveal_type</code> and <code>Never</code> (<a
href="https://redirect.github.com/astral-sh/ruff/issues/23418">#23418</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/astral-sh/ruff/compare/0.15.1...0.15.2">compare
view</a></li>
</ul>
</details>
<br />


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.github/workflows/deploy-redirects.yml

@@ -26,10 +26,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: '3.11'
 
@@ -37,10 +37,10 @@ jobs:
         run: python docs/generate_redirects.py
 
       - name: Setup Pages
-        uses: actions/configure-pages@v4
+        uses: actions/configure-pages@v5
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: 'docs/_site'
 

libs/checkpoint-conformance/uv.lock

@@ -746,27 +746,27 @@ wheels = [
 
 [[package]]
 name = "ruff"
-version = "0.15.1"
+version = "0.15.2"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/04/dc/4e6ac71b511b141cf626357a3946679abeba4cf67bc7cc5a17920f31e10d/ruff-0.15.1.tar.gz", hash = "sha256:c590fe13fb57c97141ae975c03a1aedb3d3156030cabd740d6ff0b0d601e203f", size = 4540855, upload-time = "2026-02-12T23:09:09.998Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/06/04/eab13a954e763b0606f460443fcbf6bb5a0faf06890ea3754ff16523dce5/ruff-0.15.2.tar.gz", hash = "sha256:14b965afee0969e68bb871eba625343b8673375f457af4abe98553e8bbb98342", size = 4558148, upload-time = "2026-02-19T22:32:20.271Z" }
 wheels = [
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 [[package]]

libs/checkpoint-postgres/Makefile

@@ -1,4 +1,4 @@
-.PHONY: test test_watch lint format
+.PHONY: test test_watch lint type format
 
 ######################
 # TESTING AND COVERAGE
@@ -61,6 +61,9 @@ lint lint_diff lint_package lint_tests:
 	[ "$(PYTHON_FILES)" = "" ] || mkdir -p $(MYPY_CACHE)
 	[ "$(PYTHON_FILES)" = "" ] || uv run mypy $(PYTHON_FILES) --cache-dir $(MYPY_CACHE)
 
+type:
+	mkdir -p $(MYPY_CACHE) && uv run mypy $(PYTHON_FILES) --cache-dir $(MYPY_CACHE)
+
 format format_diff:
 	uv run ruff format $(PYTHON_FILES)
 	uv run ruff check --select I --fix $(PYTHON_FILES)

libs/checkpoint-postgres/uv.lock

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 [[package]]
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 [[package]]

libs/checkpoint-sqlite/Makefile

@@ -1,4 +1,4 @@
-.PHONY: test test_watch lint format
+.PHONY: test test_watch lint type format
 
 ######################
 # TESTING AND COVERAGE
@@ -32,6 +32,9 @@ lint lint_diff lint_package lint_tests:
 	[ "$(PYTHON_FILES)" = "" ] || mkdir -p $(MYPY_CACHE)
 	[ "$(PYTHON_FILES)" = "" ] || uv run mypy $(PYTHON_FILES) --cache-dir $(MYPY_CACHE)
 
+type:
+	mkdir -p $(MYPY_CACHE) && uv run mypy $(PYTHON_FILES) --cache-dir $(MYPY_CACHE)
+
 format format_diff:
 	uv run ruff format $(PYTHON_FILES)
 	uv run ruff check --select I --fix $(PYTHON_FILES)

libs/checkpoint-sqlite/uv.lock

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 [[package]]

libs/checkpoint/Makefile

@@ -1,4 +1,4 @@
-.PHONY: test test_watch lint format
+.PHONY: test test_watch lint type format
 
 ######################
 # TESTING AND COVERAGE
@@ -32,6 +32,9 @@ lint lint_diff lint_package lint_tests:
 	[ "$(PYTHON_FILES)" = "" ] || mkdir -p $(MYPY_CACHE)
 	[ "$(PYTHON_FILES)" = "" ] || uv run mypy $(PYTHON_FILES) --cache-dir $(MYPY_CACHE)
 
+type:
+	mkdir -p $(MYPY_CACHE) && uv run mypy $(PYTHON_FILES) --cache-dir $(MYPY_CACHE)
+
 format format_diff:
 	uv run ruff format $(PYTHON_FILES)
 	uv run ruff check --select I --fix $(PYTHON_FILES)

libs/checkpoint/uv.lock

@@ -267,7 +267,7 @@ wheels = [
 
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-version = "1.2.13"
+version = "1.2.14"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "jsonpatch" },
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     { name = "uuid-utils" },
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 ]
 
 [[package]]

libs/cli/Makefile

@@ -1,4 +1,4 @@
-.PHONY: test lint format test-integration update-schema bump-version
+.PHONY: test lint type format test-integration update-schema bump-version
 
 ######################
 # TESTING AND COVERAGE
@@ -29,6 +29,9 @@ lint lint_diff lint_package lint_tests:
 	[ "$(PYTHON_FILES)" = "" ] || uv run ruff check --select I $(PYTHON_FILES)
 	[ "$(PYTHON_FILES)" = "" ] || mkdir -p $(MYPY_CACHE) || uv run mypy $(PYTHON_FILES) --cache-dir $(MYPY_CACHE)
 
+type:
+	mkdir -p $(MYPY_CACHE) && uv run mypy $(PYTHON_FILES) --cache-dir $(MYPY_CACHE)
+
 format format_diff:
 	uv run ruff format $(PYTHON_FILES)
 	uv run ruff check --select I --fix $(PYTHON_FILES)

libs/cli/generate_schema.py

@@ -20,6 +20,7 @@ from langgraph_cli.schemas import (
     Config,
     ConfigurableHeaderConfig,
     CorsConfig,
+    GraphDef,
     HttpConfig,
     IndexConfig,
     SecurityConfig,
@@ -108,6 +109,7 @@ def add_descriptions_to_schema(schema, cls):
             # Find the class that corresponds to this definition
             for potential_cls in [
                 Config,
+                GraphDef,
                 StoreConfig,
                 IndexConfig,
                 AuthConfig,

libs/cli/js-examples/package.json

@@ -21,8 +21,8 @@
     "test:all": "yarn test && yarn test:int && yarn lint:langgraph"
   },
   "dependencies": {
-    "@langchain/core": "^1.1.24",
-    "@langchain/langgraph": "^1.1.4"
+    "@langchain/core": "^1.1.27",
+    "@langchain/langgraph": "^1.1.5"
   },
   "devDependencies": {
     "@eslint/eslintrc": "^3.3.3",
@@ -32,7 +32,7 @@
     "@typescript-eslint/eslint-plugin": "^8.56.0",
     "@typescript-eslint/parser": "^8.56.0",
     "dotenv": "^17.3.1",
-    "eslint": "^10.0.0",
+    "eslint": "^10.0.1",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-import": "^2.32.0",
     "eslint-plugin-no-instanceof": "^1.0.1",

libs/cli/js-examples/yarn.lock

@@ -474,14 +474,14 @@
   resolved "https://registry.yarnpkg.com/@eslint-community/regexpp/-/regexpp-4.12.2.tgz#bccdf615bcf7b6e8db830ec0b8d21c9a25de597b"
   integrity sha512-EriSTlt5OC9/7SXkRSCAhfSxxoSUgBm33OH+IkwbdpgoqsSsUg7y3uh+IICI/Qg4BBWr3U2i39RpmycbxMq4ew==
 
-"@eslint/config-array@^0.23.0":
-  version "0.23.1"
-  resolved "https://registry.yarnpkg.com/@eslint/config-array/-/config-array-0.23.1.tgz#908223da7b9148f1af5bfb3144b77a9387a89446"
-  integrity sha512-uVSdg/V4dfQmTjJzR0szNczjOH/J+FyUMMjYtr07xFRXR7EDf9i1qdxrD0VusZH9knj1/ecxzCQQxyic5NzAiA==
+"@eslint/config-array@^0.23.2":
+  version "0.23.2"
+  resolved "https://registry.yarnpkg.com/@eslint/config-array/-/config-array-0.23.2.tgz#db85beeff7facc685a5775caacb1c845669b9470"
+  integrity sha512-YF+fE6LV4v5MGWRGj7G404/OZzGNepVF8fxk7jqmqo3lrza7a0uUcDnROGRBG1WFC1omYUS/Wp1f42i0M+3Q3A==
   dependencies:
-    "@eslint/object-schema" "^3.0.1"
+    "@eslint/object-schema" "^3.0.2"
     debug "^4.3.1"
-    minimatch "^10.1.1"
+    minimatch "^10.2.1"
 
 "@eslint/config-helpers@^0.5.2":
   version "0.5.2"
@@ -517,10 +517,10 @@
   resolved "https://registry.yarnpkg.com/@eslint/js/-/js-10.0.1.tgz#1e8a876f50117af8ab67e47d5ad94d38d6622583"
   integrity sha512-zeR9k5pd4gxjZ0abRoIaxdc7I3nDktoXZk2qOv9gCNWx3mVwEn32VRhyLaRsDiJjTs0xq/T8mfPtyuXu7GWBcA==
 
-"@eslint/object-schema@^3.0.1":
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/@eslint/object-schema/-/object-schema-3.0.1.tgz#9a1dc9af00d790dc79a9bf57a756e3cb2740ddb9"
-  integrity sha512-P9cq2dpr+LU8j3qbLygLcSZrl2/ds/pUpfnHNNuk5HW7mnngHs+6WSq5C9mO3rqRX8A1poxqLTC9cu0KOyJlBg==
+"@eslint/object-schema@^3.0.2":
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/@eslint/object-schema/-/object-schema-3.0.2.tgz#c59c6a94aa4b428ed7f1615b6a4495c0a21f7a22"
+  integrity sha512-HOy56KJt48Bx8KmJ+XGQNSUMT/6dZee/M54XyUyuvTvPXJmsERRvBchsUVx1UMe1WwIH49XLAczNC7V2INsuUw==
 
 "@eslint/plugin-kit@^0.6.0":
   version "0.6.0"
@@ -867,10 +867,10 @@
     "@jridgewell/resolve-uri" "^3.1.0"
     "@jridgewell/sourcemap-codec" "^1.4.14"
 
-"@langchain/core@^1.1.24":
-  version "1.1.24"
-  resolved "https://registry.yarnpkg.com/@langchain/core/-/core-1.1.24.tgz#714f5d953c3887104616386a404fa5d5d29e8d9b"
-  integrity sha512-u6l0dmMHN/2PCsY6stXoh9CH1OTlVR5Gjz0JjT1XRPuidAlu3kTq4ivW95xCog/PRhiAsCh6GCEC4/PqhNrcgQ==
+"@langchain/core@^1.1.27":
+  version "1.1.27"
+  resolved "https://registry.yarnpkg.com/@langchain/core/-/core-1.1.27.tgz#b5a05c014eef2973006fd9e0df1e135b9da640e2"
+  integrity sha512-YVtEz3nqCh8WxtdVXUICmt2BR2An+mn4YRJUBwcHX47Yrh2VwxpO0l97B2N/sNi658m65HnGyz2/hAjF3fzc1w==
   dependencies:
     "@cfworker/json-schema" "^4.0.2"
     ansi-styles "^5.0.0"
@@ -890,23 +890,23 @@
   dependencies:
     uuid "^10.0.0"
 
-"@langchain/langgraph-sdk@~1.6.0":
-  version "1.6.2"
-  resolved "https://registry.yarnpkg.com/@langchain/langgraph-sdk/-/langgraph-sdk-1.6.2.tgz#3b5d0707ddb844fd288cfacb81bb1b726ea7ee5f"
-  integrity sha512-UzRZsnDqdTmeitf/K5yZnVdl+V+7bDj/hQUXm+Y8TwWUuKtWUDocIReKgAmPQLoIz0AN8bOUt0QGnIISmCZyuA==
+"@langchain/langgraph-sdk@~2.0.0":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/@langchain/langgraph-sdk/-/langgraph-sdk-2.0.0.tgz#55ac46373aa4917443d92c8b2edd5efd162bc879"
+  integrity sha512-Xdkl1hve84ZGQ7fgpiBIBvjODhtjbPPccY4snOtYgSdzRXZkESsi2Y7RDKgFe1nC9+DbX+QaYom0raD/XFBKAw==
   dependencies:
     "@types/json-schema" "^7.0.15"
     p-queue "^9.0.1"
     p-retry "^7.1.1"
     uuid "^13.0.0"
 
-"@langchain/langgraph@^1.1.4":
-  version "1.1.4"
-  resolved "https://registry.yarnpkg.com/@langchain/langgraph/-/langgraph-1.1.4.tgz#9eb2ca3bf03329a16d0bd8ae734fdd139d5862f8"
-  integrity sha512-9OhRF+7Zvcpure8TLtBrxfJDo0PAoHZhfzcPL6M3CsGXiYqLWm5tQe+FYqn9zRIV7IwphqVEl1QDNbOkVgo+kw==
+"@langchain/langgraph@^1.1.5":
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/@langchain/langgraph/-/langgraph-1.1.5.tgz#7cab6c585b5e60ac52e70ef941ba6054f45b0d88"
+  integrity sha512-uJC/asydf/GoHpo9x42lf9hs8ufCkMuJ9sDle5ybP7sMD0XryOfE0E4J3deARk9ZadCCt6zeCoCNu/mTbx8+Sg==
   dependencies:
     "@langchain/langgraph-checkpoint" "^1.0.0"
-    "@langchain/langgraph-sdk" "~1.6.0"
+    "@langchain/langgraph-sdk" "~2.0.0"
     "@standard-schema/spec" "1.1.0"
     uuid "^10.0.0"
 
@@ -1287,10 +1287,10 @@ acorn@^8.12.0:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.12.1.tgz#71616bdccbe25e27a54439e0046e89ca76df2248"
   integrity sha512-tcpGyI9zbizT9JbV6oYE477V6mTlXvvi0T0G3SNIYE2apm/G5huBa1+K89VGeovbg+jycCrfhl3ADxErOuO6Jg==
 
-acorn@^8.15.0:
-  version "8.15.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.15.0.tgz#a360898bc415edaac46c8241f6383975b930b816"
-  integrity sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==
+acorn@^8.16.0:
+  version "8.16.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.16.0.tgz#4ce79c89be40afe7afe8f3adb902a1f1ce9ac08a"
+  integrity sha512-UVJyE9MttOsBQIDKw1skb9nAwQuR5wuGD3+82K6JgJlm/Y+KI92oNsMNGZCYdDsVtRHSak0pcV5Dno5+4jh9sw==
 
 ajv@^6.12.4:
   version "6.12.6"
@@ -2226,10 +2226,10 @@ eslint-plugin-prettier@^5.5.5:
     prettier-linter-helpers "^1.0.1"
     synckit "^0.11.12"
 
-eslint-scope@^9.1.0:
-  version "9.1.0"
-  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-9.1.0.tgz#dfcb41d6c0d73df6b977a50cf3e91c41ddb4154e"
-  integrity sha512-CkWE42hOJsNj9FJRaoMX9waUFYhqY4jmyLFdAdzZr6VaCg3ynLYx4WnOdkaIifGfH4gsUcBTn4OZbHXkpLD0FQ==
+eslint-scope@^9.1.1:
+  version "9.1.1"
+  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-9.1.1.tgz#f6a209486e38bd28356b5feb07d445cc99c89967"
+  integrity sha512-GaUN0sWim5qc8KVErfPBWmc31LEsOkrUJbvJZV+xuL3u2phMUK4HIvXlWAakfC8W4nzlK+chPEAkYOYb5ZScIw==
   dependencies:
     "@types/esrecurse" "^4.3.1"
     "@types/estree" "^1.0.8"
@@ -2246,19 +2246,19 @@ eslint-visitor-keys@^4.0.0:
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-4.2.1.tgz#4cfea60fe7dd0ad8e816e1ed026c1d5251b512c1"
   integrity sha512-Uhdk5sfqcee/9H/rCOJikYz67o0a2Tw2hGRPOG2Y1R2dg7brRe1uG0yaNQDHu+TO/uQPF/5eCapvYSmHUjt7JQ==
 
-eslint-visitor-keys@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-5.0.0.tgz#b9aa1a74aa48c44b3ae46c1597ce7171246a94a9"
-  integrity sha512-A0XeIi7CXU7nPlfHS9loMYEKxUaONu/hTEzHTGba9Huu94Cq1hPivf+DE5erJozZOky0LfvXAyrV/tcswpLI0Q==
+eslint-visitor-keys@^5.0.0, eslint-visitor-keys@^5.0.1:
+  version "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@^10.0.0:
-  version "10.0.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-10.0.0.tgz#c93c36a96d91621d0fbb680db848ea11af56ab1e"
-  integrity sha512-O0piBKY36YSJhlFSG8p9VUdPV/SxxS4FYDWVpr/9GJuMaepzwlf4J8I4ov1b+ySQfDTPhc3DtLaxcT1fN0yqCg==
+eslint@^10.0.1:
+  version "10.0.1"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-10.0.1.tgz#b5c5f7706782a21590ba6451e7a30d2947273c2d"
+  integrity sha512-20MV9SUdeN6Jd84xESsKhRly+/vxI+hwvpBMA93s+9dAcjdCuCojn4IqUGS3lvVaqjVYGYHSRMCpeFtF2rQYxQ==
   dependencies:
     "@eslint-community/eslint-utils" "^4.8.0"
     "@eslint-community/regexpp" "^4.12.2"
-    "@eslint/config-array" "^0.23.0"
+    "@eslint/config-array" "^0.23.2"
     "@eslint/config-helpers" "^0.5.2"
     "@eslint/core" "^1.1.0"
     "@eslint/plugin-kit" "^0.6.0"
@@ -2270,9 +2270,9 @@ eslint@^10.0.0:
     cross-spawn "^7.0.6"
     debug "^4.3.2"
     escape-string-regexp "^4.0.0"
-    eslint-scope "^9.1.0"
-    eslint-visitor-keys "^5.0.0"
-    espree "^11.1.0"
+    eslint-scope "^9.1.1"
+    eslint-visitor-keys "^5.0.1"
+    espree "^11.1.1"
     esquery "^1.7.0"
     esutils "^2.0.2"
     fast-deep-equal "^3.1.3"
@@ -2283,7 +2283,7 @@ eslint@^10.0.0:
     imurmurhash "^0.1.4"
     is-glob "^4.0.0"
     json-stable-stringify-without-jsonify "^1.0.1"
-    minimatch "^10.1.1"
+    minimatch "^10.2.1"
     natural-compare "^1.4.0"
     optionator "^0.9.3"
 
@@ -2296,14 +2296,14 @@ espree@^10.0.1:
     acorn-jsx "^5.3.2"
     eslint-visitor-keys "^4.0.0"
 
-espree@^11.1.0:
-  version "11.1.0"
-  resolved "https://registry.yarnpkg.com/espree/-/espree-11.1.0.tgz#7d0c82a69f8df670728dba256264b383fbf73e8f"
-  integrity sha512-WFWYhO1fV4iYkqOOvq8FbqIhr2pYfoDY0kCotMkDeNtGpiGGkZ1iov2u8ydjtgM8yF8rzK7oaTbw2NAzbAbehw==
+espree@^11.1.1:
+  version "11.1.1"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-11.1.1.tgz#866f6bc9ccccd6f28876b7a6463abb281b9cb847"
+  integrity sha512-AVHPqQoZYc+RUM4/3Ly5udlZY/U4LS8pIG05jEjWM2lQMU/oaZ7qshzAl2YP1tfNmXfftH3ohurfwNAug+MnsQ==
   dependencies:
-    acorn "^8.15.0"
+    acorn "^8.16.0"
     acorn-jsx "^5.3.2"
-    eslint-visitor-keys "^5.0.0"
+    eslint-visitor-keys "^5.0.1"
 
 esprima@^4.0.0:
   version "4.0.1"
@@ -3533,9 +3533,9 @@ js-tokens@^4.0.0:
   integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
 
 js-yaml@^3.13.1:
-  version "3.14.1"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.14.1.tgz#dae812fdb3825fa306609a8717383c50c36a0537"
-  integrity sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==
+  version "3.14.2"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.14.2.tgz#77485ce1dd7f33c061fd1b16ecea23b55fcb04b0"
+  integrity sha512-PMSmkqxr106Xa156c2M265Z+FTrPl+oxd/rgOQy2tijQeK5TxQ43psO1ZCwhVOSdnn+RzkzlRz/eY4BgJBYVpg==
   dependencies:
     argparse "^1.0.7"
     esprima "^4.0.0"
@@ -3699,10 +3699,10 @@ mimic-fn@^2.1.0:
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-2.1.0.tgz#7ed2c2ccccaf84d3ffcb7a69b57711fc2083401b"
   integrity sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==
 
-minimatch@^10.1.1:
-  version "10.2.0"
-  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-10.2.0.tgz#e710473e66e3e1aaf376d0aa82438375cac86e9e"
-  integrity sha512-ugkC31VaVg9cF0DFVoADH12k6061zNZkZON+aX8AWsR9GhPcErkcMBceb6znR8wLERM2AkkOxy2nWRLpT9Jq5w==
+minimatch@^10.2.1:
+  version "10.2.2"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-10.2.2.tgz#361603ee323cfb83496fea2ae17cc44ea4e1f99f"
+  integrity sha512-+G4CpNBxa5MprY+04MbgOw1v7So6n5JY166pFi9KfYwT78fxScCeSNQSNzp6dpPSW2rONOps6Ocam1wFhCgoVw==
   dependencies:
     brace-expansion "^5.0.2"
 

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

@@ -9,8 +9,8 @@
   },
   "dependencies": {
     "@js-monorepo-example/shared": "*",
-    "@langchain/core": "^1.1.24",
-    "@langchain/langgraph": "^1.1.4"
+    "@langchain/core": "^1.1.27",
+    "@langchain/langgraph": "^1.1.5"
   },
   "devDependencies": {
     "typescript": "^5.9.3"

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

@@ -17,12 +17,12 @@
     "lint": "eslint 'apps/**/*.ts' 'libs/**/*.ts'"
   },
   "devDependencies": {
-    "turbo": "^2.8.9",
+    "turbo": "^2.8.10",
     "typescript": "^5.9.3",
     "@tsconfig/recommended": "^1.0.13",
     "@eslint/eslintrc": "^3.3.3",
     "@eslint/js": "^10.0.1",
-    "eslint": "^10.0.0",
+    "eslint": "^10.0.1",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-import": "^2.27.5",
     "eslint-plugin-no-instanceof": "^1.0.1",

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

@@ -19,14 +19,14 @@
   resolved "https://registry.yarnpkg.com/@eslint-community/regexpp/-/regexpp-4.12.2.tgz#bccdf615bcf7b6e8db830ec0b8d21c9a25de597b"
   integrity sha512-EriSTlt5OC9/7SXkRSCAhfSxxoSUgBm33OH+IkwbdpgoqsSsUg7y3uh+IICI/Qg4BBWr3U2i39RpmycbxMq4ew==
 
-"@eslint/config-array@^0.23.0":
-  version "0.23.1"
-  resolved "https://registry.yarnpkg.com/@eslint/config-array/-/config-array-0.23.1.tgz#908223da7b9148f1af5bfb3144b77a9387a89446"
-  integrity sha512-uVSdg/V4dfQmTjJzR0szNczjOH/J+FyUMMjYtr07xFRXR7EDf9i1qdxrD0VusZH9knj1/ecxzCQQxyic5NzAiA==
+"@eslint/config-array@^0.23.2":
+  version "0.23.2"
+  resolved "https://registry.yarnpkg.com/@eslint/config-array/-/config-array-0.23.2.tgz#db85beeff7facc685a5775caacb1c845669b9470"
+  integrity sha512-YF+fE6LV4v5MGWRGj7G404/OZzGNepVF8fxk7jqmqo3lrza7a0uUcDnROGRBG1WFC1omYUS/Wp1f42i0M+3Q3A==
   dependencies:
-    "@eslint/object-schema" "^3.0.1"
+    "@eslint/object-schema" "^3.0.2"
     debug "^4.3.1"
-    minimatch "^10.1.1"
+    minimatch "^10.2.1"
 
 "@eslint/config-helpers@^0.5.2":
   version "0.5.2"
@@ -62,10 +62,10 @@
   resolved "https://registry.yarnpkg.com/@eslint/js/-/js-10.0.1.tgz#1e8a876f50117af8ab67e47d5ad94d38d6622583"
   integrity sha512-zeR9k5pd4gxjZ0abRoIaxdc7I3nDktoXZk2qOv9gCNWx3mVwEn32VRhyLaRsDiJjTs0xq/T8mfPtyuXu7GWBcA==
 
-"@eslint/object-schema@^3.0.1":
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/@eslint/object-schema/-/object-schema-3.0.1.tgz#9a1dc9af00d790dc79a9bf57a756e3cb2740ddb9"
-  integrity sha512-P9cq2dpr+LU8j3qbLygLcSZrl2/ds/pUpfnHNNuk5HW7mnngHs+6WSq5C9mO3rqRX8A1poxqLTC9cu0KOyJlBg==
+"@eslint/object-schema@^3.0.2":
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/@eslint/object-schema/-/object-schema-3.0.2.tgz#c59c6a94aa4b428ed7f1615b6a4495c0a21f7a22"
+  integrity sha512-HOy56KJt48Bx8KmJ+XGQNSUMT/6dZee/M54XyUyuvTvPXJmsERRvBchsUVx1UMe1WwIH49XLAczNC7V2INsuUw==
 
 "@eslint/plugin-kit@^0.6.0":
   version "0.6.0"
@@ -103,10 +103,10 @@
   resolved "https://registry.yarnpkg.com/@isaacs/cliui/-/cliui-9.0.0.tgz#4d0a3f127058043bf2e7ee169eaf30ed901302f3"
   integrity sha512-AokJm4tuBHillT+FpMtxQ60n8ObyXBatq7jD2/JA9dxbDDokKQm8KMht5ibGzLVU9IJDIKK4TPKgMHEYMn3lMg==
 
-"@langchain/core@^1.1.24":
-  version "1.1.24"
-  resolved "https://registry.yarnpkg.com/@langchain/core/-/core-1.1.24.tgz#714f5d953c3887104616386a404fa5d5d29e8d9b"
-  integrity sha512-u6l0dmMHN/2PCsY6stXoh9CH1OTlVR5Gjz0JjT1XRPuidAlu3kTq4ivW95xCog/PRhiAsCh6GCEC4/PqhNrcgQ==
+"@langchain/core@^1.1.27":
+  version "1.1.27"
+  resolved "https://registry.yarnpkg.com/@langchain/core/-/core-1.1.27.tgz#b5a05c014eef2973006fd9e0df1e135b9da640e2"
+  integrity sha512-YVtEz3nqCh8WxtdVXUICmt2BR2An+mn4YRJUBwcHX47Yrh2VwxpO0l97B2N/sNi658m65HnGyz2/hAjF3fzc1w==
   dependencies:
     "@cfworker/json-schema" "^4.0.2"
     ansi-styles "^5.0.0"
@@ -126,23 +126,23 @@
   dependencies:
     uuid "^10.0.0"
 
-"@langchain/langgraph-sdk@~1.6.0":
-  version "1.6.2"
-  resolved "https://registry.yarnpkg.com/@langchain/langgraph-sdk/-/langgraph-sdk-1.6.2.tgz#3b5d0707ddb844fd288cfacb81bb1b726ea7ee5f"
-  integrity sha512-UzRZsnDqdTmeitf/K5yZnVdl+V+7bDj/hQUXm+Y8TwWUuKtWUDocIReKgAmPQLoIz0AN8bOUt0QGnIISmCZyuA==
+"@langchain/langgraph-sdk@~2.0.0":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/@langchain/langgraph-sdk/-/langgraph-sdk-2.0.0.tgz#55ac46373aa4917443d92c8b2edd5efd162bc879"
+  integrity sha512-Xdkl1hve84ZGQ7fgpiBIBvjODhtjbPPccY4snOtYgSdzRXZkESsi2Y7RDKgFe1nC9+DbX+QaYom0raD/XFBKAw==
   dependencies:
     "@types/json-schema" "^7.0.15"
     p-queue "^9.0.1"
     p-retry "^7.1.1"
     uuid "^13.0.0"
 
-"@langchain/langgraph@^1.1.4":
-  version "1.1.4"
-  resolved "https://registry.yarnpkg.com/@langchain/langgraph/-/langgraph-1.1.4.tgz#9eb2ca3bf03329a16d0bd8ae734fdd139d5862f8"
-  integrity sha512-9OhRF+7Zvcpure8TLtBrxfJDo0PAoHZhfzcPL6M3CsGXiYqLWm5tQe+FYqn9zRIV7IwphqVEl1QDNbOkVgo+kw==
+"@langchain/langgraph@^1.1.5":
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/@langchain/langgraph/-/langgraph-1.1.5.tgz#7cab6c585b5e60ac52e70ef941ba6054f45b0d88"
+  integrity sha512-uJC/asydf/GoHpo9x42lf9hs8ufCkMuJ9sDle5ybP7sMD0XryOfE0E4J3deARk9ZadCCt6zeCoCNu/mTbx8+Sg==
   dependencies:
     "@langchain/langgraph-checkpoint" "^1.0.0"
-    "@langchain/langgraph-sdk" "~1.6.0"
+    "@langchain/langgraph-sdk" "~2.0.0"
     "@standard-schema/spec" "1.1.0"
     uuid "^10.0.0"
 
@@ -297,6 +297,11 @@ acorn@^8.15.0:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.15.0.tgz#a360898bc415edaac46c8241f6383975b930b816"
   integrity sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==
 
+acorn@^8.16.0:
+  version "8.16.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-8.16.0.tgz#4ce79c89be40afe7afe8f3adb902a1f1ce9ac08a"
+  integrity sha512-UVJyE9MttOsBQIDKw1skb9nAwQuR5wuGD3+82K6JgJlm/Y+KI92oNsMNGZCYdDsVtRHSak0pcV5Dno5+4jh9sw==
+
 ajv@^6.12.4:
   version "6.12.6"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
@@ -772,10 +777,10 @@ eslint-plugin-prettier@^5.5.5:
     prettier-linter-helpers "^1.0.1"
     synckit "^0.11.12"
 
-eslint-scope@^9.1.0:
-  version "9.1.0"
-  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-9.1.0.tgz#dfcb41d6c0d73df6b977a50cf3e91c41ddb4154e"
-  integrity sha512-CkWE42hOJsNj9FJRaoMX9waUFYhqY4jmyLFdAdzZr6VaCg3ynLYx4WnOdkaIifGfH4gsUcBTn4OZbHXkpLD0FQ==
+eslint-scope@^9.1.1:
+  version "9.1.1"
+  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-9.1.1.tgz#f6a209486e38bd28356b5feb07d445cc99c89967"
+  integrity sha512-GaUN0sWim5qc8KVErfPBWmc31LEsOkrUJbvJZV+xuL3u2phMUK4HIvXlWAakfC8W4nzlK+chPEAkYOYb5ZScIw==
   dependencies:
     "@types/esrecurse" "^4.3.1"
     "@types/estree" "^1.0.8"
@@ -792,19 +797,19 @@ eslint-visitor-keys@^4.2.1:
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-4.2.1.tgz#4cfea60fe7dd0ad8e816e1ed026c1d5251b512c1"
   integrity sha512-Uhdk5sfqcee/9H/rCOJikYz67o0a2Tw2hGRPOG2Y1R2dg7brRe1uG0yaNQDHu+TO/uQPF/5eCapvYSmHUjt7JQ==
 
-eslint-visitor-keys@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-5.0.0.tgz#b9aa1a74aa48c44b3ae46c1597ce7171246a94a9"
-  integrity sha512-A0XeIi7CXU7nPlfHS9loMYEKxUaONu/hTEzHTGba9Huu94Cq1hPivf+DE5erJozZOky0LfvXAyrV/tcswpLI0Q==
+eslint-visitor-keys@^5.0.0, eslint-visitor-keys@^5.0.1:
+  version "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@^10.0.0:
-  version "10.0.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-10.0.0.tgz#c93c36a96d91621d0fbb680db848ea11af56ab1e"
-  integrity sha512-O0piBKY36YSJhlFSG8p9VUdPV/SxxS4FYDWVpr/9GJuMaepzwlf4J8I4ov1b+ySQfDTPhc3DtLaxcT1fN0yqCg==
+eslint@^10.0.1:
+  version "10.0.1"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-10.0.1.tgz#b5c5f7706782a21590ba6451e7a30d2947273c2d"
+  integrity sha512-20MV9SUdeN6Jd84xESsKhRly+/vxI+hwvpBMA93s+9dAcjdCuCojn4IqUGS3lvVaqjVYGYHSRMCpeFtF2rQYxQ==
   dependencies:
     "@eslint-community/eslint-utils" "^4.8.0"
     "@eslint-community/regexpp" "^4.12.2"
-    "@eslint/config-array" "^0.23.0"
+    "@eslint/config-array" "^0.23.2"
     "@eslint/config-helpers" "^0.5.2"
     "@eslint/core" "^1.1.0"
     "@eslint/plugin-kit" "^0.6.0"
@@ -816,9 +821,9 @@ eslint@^10.0.0:
     cross-spawn "^7.0.6"
     debug "^4.3.2"
     escape-string-regexp "^4.0.0"
-    eslint-scope "^9.1.0"
-    eslint-visitor-keys "^5.0.0"
-    espree "^11.1.0"
+    eslint-scope "^9.1.1"
+    eslint-visitor-keys "^5.0.1"
+    espree "^11.1.1"
     esquery "^1.7.0"
     esutils "^2.0.2"
     fast-deep-equal "^3.1.3"
@@ -829,7 +834,7 @@ eslint@^10.0.0:
     imurmurhash "^0.1.4"
     is-glob "^4.0.0"
     json-stable-stringify-without-jsonify "^1.0.1"
-    minimatch "^10.1.1"
+    minimatch "^10.2.1"
     natural-compare "^1.4.0"
     optionator "^0.9.3"
 
@@ -842,14 +847,14 @@ espree@^10.0.1:
     acorn-jsx "^5.3.2"
     eslint-visitor-keys "^4.2.1"
 
-espree@^11.1.0:
-  version "11.1.0"
-  resolved "https://registry.yarnpkg.com/espree/-/espree-11.1.0.tgz#7d0c82a69f8df670728dba256264b383fbf73e8f"
-  integrity sha512-WFWYhO1fV4iYkqOOvq8FbqIhr2pYfoDY0kCotMkDeNtGpiGGkZ1iov2u8ydjtgM8yF8rzK7oaTbw2NAzbAbehw==
+espree@^11.1.1:
+  version "11.1.1"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-11.1.1.tgz#866f6bc9ccccd6f28876b7a6463abb281b9cb847"
+  integrity sha512-AVHPqQoZYc+RUM4/3Ly5udlZY/U4LS8pIG05jEjWM2lQMU/oaZ7qshzAl2YP1tfNmXfftH3ohurfwNAug+MnsQ==
   dependencies:
-    acorn "^8.15.0"
+    acorn "^8.16.0"
     acorn-jsx "^5.3.2"
-    eslint-visitor-keys "^5.0.0"
+    eslint-visitor-keys "^5.0.1"
 
 esquery@^1.7.0:
   version "1.7.0"
@@ -1374,10 +1379,10 @@ 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@^10.1.1:
-  version "10.2.1"
-  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-10.2.1.tgz#9d82835834cdc85d5084dd055e9a4685fa56e5f0"
-  integrity sha512-MClCe8IL5nRRmawL6ib/eT4oLyeKMGCghibcDWK+J0hh0Q8kqSdia6BvbRMVk6mPa6WqUa5uR2oxt6C5jd533A==
+minimatch@^10.2.1:
+  version "10.2.2"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-10.2.2.tgz#361603ee323cfb83496fea2ae17cc44ea4e1f99f"
+  integrity sha512-+G4CpNBxa5MprY+04MbgOw1v7So6n5JY166pFi9KfYwT78fxScCeSNQSNzp6dpPSW2rONOps6Ocam1wFhCgoVw==
   dependencies:
     brace-expansion "^5.0.2"
 
@@ -1858,47 +1863,47 @@ tsconfig-paths@^3.15.0:
     minimist "^1.2.6"
     strip-bom "^3.0.0"
 
-turbo-darwin-64@2.8.9:
-  version "2.8.9"
-  resolved "https://registry.yarnpkg.com/turbo-darwin-64/-/turbo-darwin-64-2.8.9.tgz#c99b425437c8b3b49eb4ddf7ca44674dd6d4e940"
-  integrity sha512-KnCw1ZI9KTnEAhdI9avZrnZ/z4wsM++flMA1w8s8PKOqi5daGpFV36qoPafg4S8TmYMe52JPWEoFr0L+lQ5JIw==
+turbo-darwin-64@2.8.10:
+  version "2.8.10"
+  resolved "https://registry.yarnpkg.com/turbo-darwin-64/-/turbo-darwin-64-2.8.10.tgz#38ba73b9bbb3459cd27c6d3b5777bae80daa7e9f"
+  integrity sha512-A03fXh+B7S8mL3PbdhTd+0UsaGrhfyPkODvzBDpKRY7bbeac4MDFpJ7I+Slf2oSkCEeSvHKR7Z4U71uKRUfX7g==
 
-turbo-darwin-arm64@2.8.9:
-  version "2.8.9"
-  resolved "https://registry.yarnpkg.com/turbo-darwin-arm64/-/turbo-darwin-arm64-2.8.9.tgz#01a424a14956186bdd3a29a825f87c303ecbfda1"
-  integrity sha512-CbD5Y2NKJKBXTOZ7z7Cc7vGlFPZkYjApA7ri9lH4iFwKV1X7MoZswh9gyRLetXYWImVX1BqIvP8KftulJg/wIA==
+turbo-darwin-arm64@2.8.10:
+  version "2.8.10"
+  resolved "https://registry.yarnpkg.com/turbo-darwin-arm64/-/turbo-darwin-arm64-2.8.10.tgz#1c7a278a6361aef0a4e94849bf7181ff3c91d782"
+  integrity sha512-sidzowgWL3s5xCHLeqwC9M3s9M0i16W1nuQF3Mc7fPHpZ+YPohvcbVFBB2uoRRHYZg6yBnwD4gyUHKTeXfwtXA==
 
-turbo-linux-64@2.8.9:
-  version "2.8.9"
-  resolved "https://registry.yarnpkg.com/turbo-linux-64/-/turbo-linux-64-2.8.9.tgz#f8e7f4bf82a2f94a3d8bcd042642db4990cfd3bd"
-  integrity sha512-OXC9HdCtsHvyH+5KUoH8ds+p5WU13vdif0OPbsFzZca4cUXMwKA3HWwUuCgQetk0iAE4cscXpi/t8A263n3VTg==
+turbo-linux-64@2.8.10:
+  version "2.8.10"
+  resolved "https://registry.yarnpkg.com/turbo-linux-64/-/turbo-linux-64-2.8.10.tgz#aaa6ede45619daab2be359ec6afc3b0a73941272"
+  integrity sha512-YK9vcpL3TVtqonB021XwgaQhY9hJJbKKUhLv16osxV0HkcQASQWUqR56yMge7puh6nxU67rQlTq1b7ksR1T3KA==
 
-turbo-linux-arm64@2.8.9:
-  version "2.8.9"
-  resolved "https://registry.yarnpkg.com/turbo-linux-arm64/-/turbo-linux-arm64-2.8.9.tgz#7e7cd446c518dd4e19aa87f71c3234124449681d"
-  integrity sha512-yI5n8jNXiFA6+CxnXG0gO7h5ZF1+19K8uO3/kXPQmyl37AdiA7ehKJQOvf9OPAnmkGDHcF2HSCPltabERNRmug==
+turbo-linux-arm64@2.8.10:
+  version "2.8.10"
+  resolved "https://registry.yarnpkg.com/turbo-linux-arm64/-/turbo-linux-arm64-2.8.10.tgz#a9a52e4eca69968d85f09adb24ba3aec24a50023"
+  integrity sha512-3+j2tL0sG95iBJTm+6J8/45JsETQABPqtFyYjVjBbi6eVGdtNTiBmHNKrbvXRlQ3ZbUG75bKLaSSDHSEEN+btQ==
 
-turbo-windows-64@2.8.9:
-  version "2.8.9"
-  resolved "https://registry.yarnpkg.com/turbo-windows-64/-/turbo-windows-64-2.8.9.tgz#71da356ba3a9585ddbf3eb6f85a92239454aa9bd"
-  integrity sha512-/OztzeGftJAg258M/9vK2ZCkUKUzqrWXJIikiD2pm8TlqHcIYUmepDbyZSDfOiUjMy6NzrLFahpNLnY7b5vNgg==
+turbo-windows-64@2.8.10:
+  version "2.8.10"
+  resolved "https://registry.yarnpkg.com/turbo-windows-64/-/turbo-windows-64-2.8.10.tgz#b0f64a29451477c1ecdc7dbe0555b8e75c464044"
+  integrity sha512-hdeF5qmVY/NFgiucf8FW0CWJWtyT2QPm5mIsX0W1DXAVzqKVXGq+Zf+dg4EUngAFKjDzoBeN6ec2Fhajwfztkw==
 
-turbo-windows-arm64@2.8.9:
-  version "2.8.9"
-  resolved "https://registry.yarnpkg.com/turbo-windows-arm64/-/turbo-windows-arm64-2.8.9.tgz#b1c223c1f2c900292246074c3c2ebc9c7db57684"
-  integrity sha512-xZ2VTwVTjIqpFZKN4UBxDHCPM3oJ2J5cpRzCBSmRpJ/Pn33wpiYjs+9FB2E03svKaD04/lSSLlEUej0UYsugfg==
+turbo-windows-arm64@2.8.10:
+  version "2.8.10"
+  resolved "https://registry.yarnpkg.com/turbo-windows-arm64/-/turbo-windows-arm64-2.8.10.tgz#8d178389a995f98142b7ce8f76e1fce8a4b7c79d"
+  integrity sha512-QGdr/Q8LWmj+ITMkSvfiz2glf0d7JG0oXVzGL3jxkGqiBI1zXFj20oqVY0qWi+112LO9SVrYdpHS0E/oGFrMbQ==
 
-turbo@^2.8.9:
-  version "2.8.9"
-  resolved "https://registry.yarnpkg.com/turbo/-/turbo-2.8.9.tgz#15d8468f9f1725381a9bab58ccdb12c5614de5bc"
-  integrity sha512-G+Mq8VVQAlpz/0HTsxiNNk/xywaHGl+dk1oiBREgOEVCCDjXInDlONWUn5srRnC9s5tdHTFD1bx1N19eR4hI+g==
+turbo@^2.8.10:
+  version "2.8.10"
+  resolved "https://registry.yarnpkg.com/turbo/-/turbo-2.8.10.tgz#4ead3ef7c2fd80f9fe367f9a8b88b8a819fb5065"
+  integrity sha512-OxbzDES66+x7nnKGg2MwBA1ypVsZoDTLHpeaP4giyiHSixbsiTaMyeJqbEyvBdp5Cm28fc+8GG6RdQtic0ijwQ==
   optionalDependencies:
-    turbo-darwin-64 "2.8.9"
-    turbo-darwin-arm64 "2.8.9"
-    turbo-linux-64 "2.8.9"
-    turbo-linux-arm64 "2.8.9"
-    turbo-windows-64 "2.8.9"
-    turbo-windows-arm64 "2.8.9"
+    turbo-darwin-64 "2.8.10"
+    turbo-darwin-arm64 "2.8.10"
+    turbo-linux-64 "2.8.10"
+    turbo-linux-arm64 "2.8.10"
+    turbo-windows-64 "2.8.10"
+    turbo-windows-arm64 "2.8.10"
 
 type-check@^0.4.0, type-check@~0.4.0:
   version "0.4.0"

libs/cli/langgraph_cli/cli.py

@@ -1,5 +1,7 @@
 """CLI entrypoint for LangGraph API server."""
 
+import difflib
+import json
 import os
 import pathlib
 import shutil
@@ -165,6 +167,10 @@ def cli():
     pass
 
 
+def _format_json(value: object) -> str:
+    return json.dumps(value, indent=2, sort_keys=True) + os.linesep
+
+
 @OPT_RECREATE
 @OPT_PULL
 @OPT_PORT
@@ -606,6 +612,160 @@ def dockerfile(
     )
 
 
+@cli.group(
+    "build-spec",
+    help="🧾 Export or verify a machine-readable build specification for hermetic builds.",
+)
+def build_spec() -> None:
+    pass
+
+
+@OPT_CONFIG
+@click.option(
+    "--base-image",
+    help="Base image to use for the LangGraph API server. Defaults to langchain/langgraph-api or langchain/langgraphjs-api.",
+)
+@OPT_API_VERSION
+@click.option(
+    "--install-command",
+    help="Custom install command (Node projects only). If omitted, auto-detects based on package manager files.",
+)
+@click.option(
+    "--build-command",
+    help="Custom build command to run from the langgraph.json directory (Node projects only).",
+)
+@click.option(
+    "--output",
+    "-o",
+    type=click.Path(
+        exists=False,
+        file_okay=True,
+        dir_okay=False,
+        resolve_path=True,
+        path_type=pathlib.Path,
+    ),
+    help="Path to write the build spec JSON. If omitted, prints to stdout.",
+)
+@build_spec.command("export")
+@log_command
+def build_spec_export(
+    config: pathlib.Path,
+    base_image: str | None,
+    api_version: str | None,
+    install_command: str | None,
+    build_command: str | None,
+    output: pathlib.Path | None,
+) -> None:
+    config_json = langgraph_cli.config.validate_config_file(config)
+    warn_non_wolfi_distro(config_json)
+
+    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):
+        build_context = str(pathlib.Path.cwd())
+    else:
+        build_context = str(config.parent)
+
+    spec = langgraph_cli.config.config_to_build_spec(
+        config_path=config,
+        config=config_json,
+        base_image=base_image,
+        api_version=api_version,
+        install_command=install_command,
+        build_command=build_command,
+        build_context=build_context,
+    )
+    rendered = _format_json(spec)
+
+    if output is None:
+        click.echo(rendered, nl=False)
+        return
+
+    output.parent.mkdir(parents=True, exist_ok=True)
+    with open(output, "w", encoding="utf-8") as f:
+        f.write(rendered)
+    secho(f"✅ Created build spec: {output}", fg="green")
+
+
+@OPT_CONFIG
+@click.argument(
+    "spec_path",
+    type=click.Path(
+        exists=True,
+        file_okay=True,
+        dir_okay=False,
+        resolve_path=True,
+        path_type=pathlib.Path,
+    ),
+)
+@click.option(
+    "--base-image",
+    help="Base image to use for the LangGraph API server. Defaults to langchain/langgraph-api or langchain/langgraphjs-api.",
+)
+@OPT_API_VERSION
+@click.option(
+    "--install-command",
+    help="Custom install command (Node projects only). If omitted, auto-detects based on package manager files.",
+)
+@click.option(
+    "--build-command",
+    help="Custom build command to run from the langgraph.json directory (Node projects only).",
+)
+@build_spec.command("verify")
+@log_command
+def build_spec_verify(
+    config: pathlib.Path,
+    spec_path: pathlib.Path,
+    base_image: str | None,
+    api_version: str | None,
+    install_command: str | None,
+    build_command: str | None,
+) -> None:
+    config_json = langgraph_cli.config.validate_config_file(config)
+    warn_non_wolfi_distro(config_json)
+
+    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):
+        build_context = str(pathlib.Path.cwd())
+    else:
+        build_context = str(config.parent)
+
+    expected = langgraph_cli.config.config_to_build_spec(
+        config_path=config,
+        config=config_json,
+        base_image=base_image,
+        api_version=api_version,
+        install_command=install_command,
+        build_command=build_command,
+        build_context=build_context,
+    )
+    expected_str = _format_json(expected)
+
+    with open(spec_path, encoding="utf-8") as f:
+        actual = json.load(f)
+    actual_str = _format_json(actual)
+
+    if actual_str == expected_str:
+        secho(f"✅ Build spec is in sync: {spec_path}", fg="green")
+        return
+
+    diff = "\n".join(
+        difflib.unified_diff(
+            actual_str.splitlines(),
+            expected_str.splitlines(),
+            fromfile=str(spec_path),
+            tofile="generated",
+            lineterm="",
+        )
+    )
+    raise click.ClickException(
+        f"Build spec is out of sync: {spec_path}\n\n{diff}"
+    ) from None
+
+
 @click.option(
     "--host",
     default="127.0.0.1",

libs/cli/langgraph_cli/config.py

@@ -4,7 +4,7 @@ import pathlib
 import re
 import textwrap
 from collections import Counter
-from typing import Literal, NamedTuple
+from typing import Any, Literal, NamedTuple
 
 import click
 
@@ -678,6 +678,51 @@ def _update_encryption_path(
     )
 
 
+def _update_checkpointer_path(
+    config_path: pathlib.Path, config: Config, local_deps: LocalDeps
+) -> None:
+    """Update checkpointer.path to use Docker container paths."""
+    checkpointer_conf = config.get("checkpointer")
+    if not checkpointer_conf or not isinstance(checkpointer_conf, dict):
+        return
+    if not (path_str := checkpointer_conf.get("path")):
+        return
+
+    module_str, sep, attr_str = path_str.partition(":")
+    if not sep or not module_str.startswith("."):
+        return  # Already validated or absolute path
+
+    resolved = config_path.parent / module_str
+    if not resolved.exists():
+        raise FileNotFoundError(
+            f"Checkpointer file not found: {resolved} (from {path_str})"
+        )
+    if not resolved.is_file():
+        raise IsADirectoryError(f"Checkpointer path must be a file: {resolved}")
+
+    # Check faux packages first (higher priority)
+    for faux_path, (_, destpath) in local_deps.faux_pkgs.items():
+        if resolved.is_relative_to(faux_path):
+            new_path = f"{destpath}/{resolved.relative_to(faux_path)}:{attr_str}"
+            checkpointer_conf["path"] = new_path
+            return
+
+    # Check real packages
+    for real_path in local_deps.real_pkgs:
+        if resolved.is_relative_to(real_path):
+            new_path = (
+                f"/deps/{real_path.name}/{resolved.relative_to(real_path)}:{attr_str}"
+            )
+            checkpointer_conf["path"] = new_path
+            return
+
+    raise ValueError(
+        f"Checkpointer file '{resolved}' not covered by dependencies.\n"
+        "Add its parent directory to the 'dependencies' array in your config.\n"
+        f"Current dependencies: {config['dependencies']}"
+    )
+
+
 def _update_http_app_path(
     config_path: pathlib.Path, config: Config, local_deps: LocalDeps
 ) -> None:
@@ -829,6 +874,55 @@ def get_build_tools_to_uninstall(config: Config) -> tuple[str]:
         )
 
 
+def _build_langgraph_env(
+    config: Config, *, runtime: Literal["python", "node"]
+) -> dict[str, str]:
+    """Build runtime environment variables that are serialized from config."""
+    env_map: dict[str, str] = {}
+
+    if (store_config := config.get("store")) is not None:
+        env_map["LANGGRAPH_STORE"] = json.dumps(store_config)
+
+    if (auth_config := config.get("auth")) is not None:
+        env_map["LANGGRAPH_AUTH"] = json.dumps(auth_config)
+
+    if (encryption_config := config.get("encryption")) is not None:
+        env_map["LANGGRAPH_ENCRYPTION"] = json.dumps(encryption_config)
+
+    if (http_config := config.get("http")) is not None:
+        env_map["LANGGRAPH_HTTP"] = json.dumps(http_config)
+
+    if (webhooks_config := config.get("webhooks")) is not None:
+        env_map["LANGGRAPH_WEBHOOKS"] = json.dumps(webhooks_config)
+
+    if (checkpointer_config := config.get("checkpointer")) is not None:
+        env_map["LANGGRAPH_CHECKPOINTER"] = json.dumps(checkpointer_config)
+
+    # Keep Python/Node behavior consistent with current Dockerfile generation:
+    # Python emits UI vars when explicitly set (including empty dict), while
+    # Node currently emits them only when truthy.
+    if runtime == "python":
+        if (ui := config.get("ui")) is not None:
+            env_map["LANGGRAPH_UI"] = json.dumps(ui)
+        if (ui_config := config.get("ui_config")) is not None:
+            env_map["LANGGRAPH_UI_CONFIG"] = json.dumps(ui_config)
+    else:
+        if ui := config.get("ui"):
+            env_map["LANGGRAPH_UI"] = json.dumps(ui)
+        if ui_config := config.get("ui_config"):
+            env_map["LANGGRAPH_UI_CONFIG"] = json.dumps(ui_config)
+
+    env_map["LANGSERVE_GRAPHS"] = json.dumps(config["graphs"])
+    return env_map
+
+
+def _extract_workdir(dockerfile: str) -> str | None:
+    for line in dockerfile.splitlines():
+        if line.startswith("WORKDIR "):
+            return line.removeprefix("WORKDIR ").strip() or None
+    return None
+
+
 def python_config_to_docker(
     config_path: pathlib.Path,
     config: Config,
@@ -877,6 +971,8 @@ def python_config_to_docker(
     _update_auth_path(config_path, config, local_deps)
     # Rewrite encryption path, so it points to the correct location in the Docker container
     _update_encryption_path(config_path, config, local_deps)
+    # Rewrite checkpointer path, so it points to the correct location in the Docker container
+    _update_checkpointer_path(config_path, config, local_deps)
     # Rewrite HTTP app path, so it points to the correct location in the Docker container
     _update_http_app_path(config_path, config, local_deps)
 
@@ -959,36 +1055,8 @@ ADD {relpath} /deps/{name}
         )
     )
 
-    env_vars = []
-
-    if (store_config := config.get("store")) is not None:
-        env_vars.append(f"ENV LANGGRAPH_STORE='{json.dumps(store_config)}'")
-
-    if (auth_config := config.get("auth")) is not None:
-        env_vars.append(f"ENV LANGGRAPH_AUTH='{json.dumps(auth_config)}'")
-
-    if (encryption_config := config.get("encryption")) is not None:
-        env_vars.append(f"ENV LANGGRAPH_ENCRYPTION='{json.dumps(encryption_config)}'")
-
-    if (http_config := config.get("http")) is not None:
-        env_vars.append(f"ENV LANGGRAPH_HTTP='{json.dumps(http_config)}'")
-
-    # Inject webhooks configuration if provided
-    if (webhooks_config := config.get("webhooks")) is not None:
-        env_vars.append(f"ENV LANGGRAPH_WEBHOOKS='{json.dumps(webhooks_config)}'")
-
-    if (checkpointer_config := config.get("checkpointer")) is not None:
-        env_vars.append(
-            f"ENV LANGGRAPH_CHECKPOINTER='{json.dumps(checkpointer_config)}'"
-        )
-
-    if (ui := config.get("ui")) is not None:
-        env_vars.append(f"ENV LANGGRAPH_UI='{json.dumps(ui)}'")
-
-    if (ui_config := config.get("ui_config")) is not None:
-        env_vars.append(f"ENV LANGGRAPH_UI_CONFIG='{json.dumps(ui_config)}'")
-
-    env_vars.append(f"ENV LANGSERVE_GRAPHS='{json.dumps(config['graphs'])}'")
+    env_map = _build_langgraph_env(config, runtime="python")
+    env_vars = [f"ENV {key}='{value}'" for key, value in env_map.items()]
 
     js_inst_str: str = ""
     if (config.get("ui") or config.get("node_version")) and local_deps.working_dir:
@@ -1090,36 +1158,8 @@ def node_config_to_docker(
 
     image_str = docker_tag(config, base_image, api_version)
 
-    env_vars: list[str] = []
-
-    if (store_config := config.get("store")) is not None:
-        env_vars.append(f"ENV LANGGRAPH_STORE='{json.dumps(store_config)}'")
-
-    if (auth_config := config.get("auth")) is not None:
-        env_vars.append(f"ENV LANGGRAPH_AUTH='{json.dumps(auth_config)}'")
-
-    if (encryption_config := config.get("encryption")) is not None:
-        env_vars.append(f"ENV LANGGRAPH_ENCRYPTION='{json.dumps(encryption_config)}'")
-
-    if (http_config := config.get("http")) is not None:
-        env_vars.append(f"ENV LANGGRAPH_HTTP='{json.dumps(http_config)}'")
-
-    # Inject webhooks configuration if provided
-    if (webhooks_config := config.get("webhooks")) is not None:
-        env_vars.append(f"ENV LANGGRAPH_WEBHOOKS='{json.dumps(webhooks_config)}'")
-
-    if (checkpointer_config := config.get("checkpointer")) is not None:
-        env_vars.append(
-            f"ENV LANGGRAPH_CHECKPOINTER='{json.dumps(checkpointer_config)}'"
-        )
-
-    if ui := config.get("ui"):
-        env_vars.append(f"ENV LANGGRAPH_UI='{json.dumps(ui)}'")
-
-    if ui_config := config.get("ui_config"):
-        env_vars.append(f"ENV LANGGRAPH_UI_CONFIG='{json.dumps(ui_config)}'")
-
-    env_vars.append(f"ENV LANGSERVE_GRAPHS='{json.dumps(config['graphs'])}'")
+    env_map = _build_langgraph_env(config, runtime="node")
+    env_vars = [f"ENV {key}='{value}'" for key, value in env_map.items()]
 
     # For monorepo support, we need to handle install and build commands differently
     if build_context:
@@ -1245,6 +1285,50 @@ def config_to_docker(
     )
 
 
+def config_to_build_spec(
+    config_path: pathlib.Path,
+    config: Config,
+    *,
+    base_image: str | None = None,
+    api_version: str | None = None,
+    install_command: str | None = None,
+    build_command: str | None = None,
+    build_context: str | None = None,
+) -> dict[str, Any]:
+    """Generate a machine-readable, versioned build specification."""
+    # Normalize via JSON round-trip to avoid mutating the caller's dictionary.
+    normalized: Config = json.loads(json.dumps(config))
+    is_node_runtime = bool(
+        normalized.get("node_version") and not normalized.get("python_version")
+    )
+    runtime: Literal["python", "node"] = "node" if is_node_runtime else "python"
+    resolved_base_image = docker_tag(normalized, base_image, api_version)
+
+    dockerfile, additional_contexts = config_to_docker(
+        config_path=config_path,
+        config=normalized,
+        base_image=base_image,
+        api_version=api_version,
+        install_command=install_command,
+        build_command=build_command,
+        build_context=build_context,
+    )
+    env_map = _build_langgraph_env(normalized, runtime=runtime)
+
+    return {
+        "schema_version": 1,
+        "kind": "langgraph.build_spec",
+        "runtime": runtime,
+        "resolved_base_image": resolved_base_image,
+        "build_context": build_context,
+        "additional_contexts": additional_contexts,
+        "env": env_map,
+        "graphs": normalized["graphs"],
+        "working_dir": _extract_workdir(dockerfile),
+        "dockerfile": dockerfile,
+    }
+
+
 def config_to_compose(
     config_path: pathlib.Path,
     config: Config,

libs/cli/langgraph_cli/schemas.py

@@ -167,6 +167,26 @@ class CheckpointerConfig(TypedDict, total=False):
     If omitted, no checkpointer is set up (the object store will still be present, however).
     """
 
+    path: str
+    """Import path to an async context manager that yields a `BaseCheckpointSaver`
+    instance.
+
+    The referenced object should be an `@asynccontextmanager`-decorated function
+    so that the server can properly manage the checkpointer's lifecycle (e.g.
+    opening and closing connections).
+
+    Examples:
+    - "./my_checkpointer.py:create_checkpointer"
+    - "my_package.checkpointer:create_checkpointer"
+
+    When provided, this replaces the default checkpointer.
+
+    You can use the `langgraph-checkpoint-conformance` package
+    (https://pypi.org/project/langgraph-checkpoint-conformance/) to run simple
+    conformance tests against your custom checkpointer and catch
+    incompatibilities early.
+    """
+
     ttl: ThreadTTLConfig | None
     """Optional. Defines the TTL (time-to-live) behavior configuration.
     
@@ -509,6 +529,21 @@ class WebhookUrlPolicy(TypedDict, total=False):
     """Disallow relative URLs (internal loopback calls) when true."""
 
 
+class GraphDef(TypedDict, total=False):
+    """Definition of a graph with additional metadata."""
+
+    path: str
+    """Required. Import path to the graph object.
+
+    Format: "path/to/file.py:object_name"
+    """
+    description: str | None
+    """Optional. A description of the graph's purpose and functionality.
+
+    This description is surfaced in the API and can help users understand what the graph does.
+    """
+
+
 class WebhooksConfig(TypedDict, total=False):
     env_prefix: str
     """Required prefix for environment variables referenced in header templates.
@@ -599,19 +634,23 @@ class Config(TypedDict, total=False):
     Defaults to an empty list, meaning no additional packages installed beyond your base environment.
     """
 
-    graphs: dict[str, str]
+    graphs: dict[str, str | GraphDef]
     """Optional. Named definitions of graphs, each pointing to a Python object.
 
-    
+
     Graphs can be StateGraph, @entrypoint, or any other Pregel object OR they can point to (async) context
     managers that accept a single configuration argument (of type RunnableConfig) and return a pregel object
     (instance of Stategraph, etc.).
-    
-    Keys are graph names, values are "path/to/file.py:object_name".
+
+    Keys are graph names, values are either "path/to/file.py:object_name" strings
+    or objects with a "path" key and optional "description" key.
     Example:
         {
             "mygraph": "graphs/my_graph.py:graph_definition",
-            "anothergraph": "graphs/another.py:get_graph"
+            "anothergraph": {
+                "path": "graphs/another.py:get_graph",
+                "description": "A graph that does X"
+            }
         }
     """
 
@@ -676,6 +715,7 @@ class Config(TypedDict, total=False):
 
 __all__ = [
     "Config",
+    "GraphDef",
     "StoreConfig",
     "CheckpointerConfig",
     "AuthConfig",

libs/cli/schemas/schema.json

@@ -127,9 +127,16 @@
             "graphs": {
               "type": "object",
               "additionalProperties": {
-                "type": "string"
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "$ref": "#/$defs/GraphDef"
+                  }
+                ]
               },
-              "description": "Optional. Named definitions of graphs, each pointing to a Python object.\n\n\nGraphs can be StateGraph, @entrypoint, or any other Pregel object OR they can point to (async) context\nmanagers that accept a single configuration argument (of type RunnableConfig) and return a pregel object\n(instance of Stategraph, etc.).\n"
+              "description": "Optional. Named definitions of graphs, each pointing to a Python object.\n\n\nGraphs can be StateGraph, @entrypoint, or any other Pregel object OR they can point to (async) context\nmanagers that accept a single configuration argument (of type RunnableConfig) and return a pregel object\n(instance of Stategraph, etc.).\n\nor objects with a \"path\" key and optional \"description\" key."
             },
             "http": {
               "anyOf": [
@@ -341,9 +348,16 @@
             "graphs": {
               "type": "object",
               "additionalProperties": {
-                "type": "string"
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "$ref": "#/$defs/GraphDef"
+                  }
+                ]
               },
-              "description": "Optional. Named definitions of graphs, each pointing to a Python object.\n\n\nGraphs can be StateGraph, @entrypoint, or any other Pregel object OR they can point to (async) context\nmanagers that accept a single configuration argument (of type RunnableConfig) and return a pregel object\n(instance of Stategraph, etc.).\n"
+              "description": "Optional. Named definitions of graphs, each pointing to a Python object.\n\n\nGraphs can be StateGraph, @entrypoint, or any other Pregel object OR they can point to (async) context\nmanagers that accept a single configuration argument (of type RunnableConfig) and return a pregel object\n(instance of Stategraph, etc.).\n\nor objects with a \"path\" key and optional \"description\" key."
             },
             "http": {
               "anyOf": [
@@ -542,6 +556,10 @@
       "description": "Configuration for the built-in checkpointer, which handles checkpointing of state.\n\nIf omitted, no checkpointer is set up (the object store will still be present, however).",
       "type": "object",
       "properties": {
+        "path": {
+          "type": "string",
+          "description": "Import path to an async context manager that yields a `BaseCheckpointSaver`\ninstance.\n\nThe referenced object should be an `@asynccontextmanager`-decorated function\nso that the server can properly manage the checkpointer's lifecycle (e.g.\nopening and closing connections).\n"
+        },
         "serde": {
           "anyOf": [
             {
@@ -658,6 +676,29 @@
       },
       "required": []
     },
+    "GraphDef": {
+      "title": "GraphDef",
+      "description": "Definition of a graph with additional metadata.",
+      "type": "object",
+      "properties": {
+        "description": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "description": "Optional. A description of the graph's purpose and functionality.\n\nThis description is surfaced in the API and can help users understand what the graph does.\n"
+        },
+        "path": {
+          "type": "string",
+          "description": "Required. Import path to the graph object.\n"
+        }
+      },
+      "required": []
+    },
     "HttpConfig": {
       "title": "HttpConfig",
       "description": "Configuration for the built-in HTTP server that powers your deployment's routes and endpoints.",

libs/cli/schemas/schema.v0.json

@@ -127,9 +127,16 @@
             "graphs": {
               "type": "object",
               "additionalProperties": {
-                "type": "string"
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "$ref": "#/$defs/GraphDef"
+                  }
+                ]
               },
-              "description": "Optional. Named definitions of graphs, each pointing to a Python object.\n\n\nGraphs can be StateGraph, @entrypoint, or any other Pregel object OR they can point to (async) context\nmanagers that accept a single configuration argument (of type RunnableConfig) and return a pregel object\n(instance of Stategraph, etc.).\n"
+              "description": "Optional. Named definitions of graphs, each pointing to a Python object.\n\n\nGraphs can be StateGraph, @entrypoint, or any other Pregel object OR they can point to (async) context\nmanagers that accept a single configuration argument (of type RunnableConfig) and return a pregel object\n(instance of Stategraph, etc.).\n\nor objects with a \"path\" key and optional \"description\" key."
             },
             "http": {
               "anyOf": [
@@ -341,9 +348,16 @@
             "graphs": {
               "type": "object",
               "additionalProperties": {
-                "type": "string"
+                "anyOf": [
+                  {
+                    "type": "string"
+                  },
+                  {
+                    "$ref": "#/$defs/GraphDef"
+                  }
+                ]
               },
-              "description": "Optional. Named definitions of graphs, each pointing to a Python object.\n\n\nGraphs can be StateGraph, @entrypoint, or any other Pregel object OR they can point to (async) context\nmanagers that accept a single configuration argument (of type RunnableConfig) and return a pregel object\n(instance of Stategraph, etc.).\n"
+              "description": "Optional. Named definitions of graphs, each pointing to a Python object.\n\n\nGraphs can be StateGraph, @entrypoint, or any other Pregel object OR they can point to (async) context\nmanagers that accept a single configuration argument (of type RunnableConfig) and return a pregel object\n(instance of Stategraph, etc.).\n\nor objects with a \"path\" key and optional \"description\" key."
             },
             "http": {
               "anyOf": [
@@ -542,6 +556,10 @@
       "description": "Configuration for the built-in checkpointer, which handles checkpointing of state.\n\nIf omitted, no checkpointer is set up (the object store will still be present, however).",
       "type": "object",
       "properties": {
+        "path": {
+          "type": "string",
+          "description": "Import path to an async context manager that yields a `BaseCheckpointSaver`\ninstance.\n\nThe referenced object should be an `@asynccontextmanager`-decorated function\nso that the server can properly manage the checkpointer's lifecycle (e.g.\nopening and closing connections).\n"
+        },
         "serde": {
           "anyOf": [
             {
@@ -658,6 +676,29 @@
       },
       "required": []
     },
+    "GraphDef": {
+      "title": "GraphDef",
+      "description": "Definition of a graph with additional metadata.",
+      "type": "object",
+      "properties": {
+        "description": {
+          "anyOf": [
+            {
+              "type": "string"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "description": "Optional. A description of the graph's purpose and functionality.\n\nThis description is surfaced in the API and can help users understand what the graph does.\n"
+        },
+        "path": {
+          "type": "string",
+          "description": "Required. Import path to the graph object.\n"
+        }
+      },
+      "required": []
+    },
     "HttpConfig": {
       "title": "HttpConfig",
       "description": "Configuration for the built-in HTTP server that powers your deployment's routes and endpoints.",

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

@@ -287,6 +287,148 @@ def test_version_option() -> None:
     )
 
 
+def test_build_spec_export_command_python_to_stdout() -> None:
+    runner = CliRunner()
+    config_content = {
+        "python_version": "3.11",
+        "image_distro": "wolfi",
+        "graphs": {"agent": "agent.py:graph"},
+        "dependencies": ["."],
+    }
+    with temporary_config_folder(config_content) as temp_dir:
+        (temp_dir / "agent.py").touch()
+        result = runner.invoke(
+            cli,
+            ["build-spec", "export", "--config", str(temp_dir / "config.json")],
+        )
+        assert result.exit_code == 0, result.output
+        spec = json.loads(result.output)
+        assert spec["schema_version"] == 1
+        assert spec["kind"] == "langgraph.build_spec"
+        assert spec["runtime"] == "python"
+        assert spec["resolved_base_image"] == "langchain/langgraph-api:3.11-wolfi"
+        assert spec["env"]["LANGSERVE_GRAPHS"] == '{"agent": "agent.py:graph"}'
+        assert spec["working_dir"] is not None
+        assert spec["working_dir"].startswith("/deps/")
+
+
+def test_build_spec_export_command_node_to_file() -> None:
+    runner = CliRunner()
+    config_content = {
+        "node_version": "20",
+        "image_distro": "wolfi",
+        "graphs": {"agent": "src/agent.ts:graph"},
+        "dependencies": ["."],
+    }
+    with temporary_config_folder(config_content) as temp_dir:
+        spec_path = temp_dir / "buildspec.json"
+        (temp_dir / "src").mkdir(parents=True, exist_ok=True)
+        (temp_dir / "src" / "agent.ts").touch()
+        (temp_dir / "package.json").write_text("{}", encoding="utf-8")
+
+        result = runner.invoke(
+            cli,
+            [
+                "build-spec",
+                "export",
+                "--config",
+                str(temp_dir / "config.json"),
+                "--output",
+                str(spec_path),
+            ],
+        )
+        assert result.exit_code == 0, result.output
+        assert spec_path.exists()
+        with open(spec_path, encoding="utf-8") as f:
+            spec = json.load(f)
+        assert spec["runtime"] == "node"
+        assert spec["resolved_base_image"] == "langchain/langgraphjs-api:20-wolfi"
+        assert spec["working_dir"] is not None
+        assert spec["working_dir"].startswith("/deps/")
+
+
+def test_build_spec_verify_command_in_sync() -> None:
+    runner = CliRunner()
+    config_content = {
+        "python_version": "3.11",
+        "image_distro": "wolfi",
+        "graphs": {"agent": "agent.py:graph"},
+        "dependencies": ["."],
+    }
+    with temporary_config_folder(config_content) as temp_dir:
+        spec_path = temp_dir / "buildspec.json"
+        (temp_dir / "agent.py").touch()
+        export_result = runner.invoke(
+            cli,
+            [
+                "build-spec",
+                "export",
+                "--config",
+                str(temp_dir / "config.json"),
+                "--output",
+                str(spec_path),
+            ],
+        )
+        assert export_result.exit_code == 0, export_result.output
+
+        verify_result = runner.invoke(
+            cli,
+            [
+                "build-spec",
+                "verify",
+                str(spec_path),
+                "--config",
+                str(temp_dir / "config.json"),
+            ],
+        )
+        assert verify_result.exit_code == 0, verify_result.output
+        assert "Build spec is in sync" in verify_result.output
+
+
+def test_build_spec_verify_command_out_of_sync() -> None:
+    runner = CliRunner()
+    config_content = {
+        "python_version": "3.11",
+        "image_distro": "wolfi",
+        "graphs": {"agent": "agent.py:graph"},
+        "dependencies": ["."],
+    }
+    with temporary_config_folder(config_content) as temp_dir:
+        spec_path = temp_dir / "buildspec.json"
+        (temp_dir / "agent.py").touch()
+        export_result = runner.invoke(
+            cli,
+            [
+                "build-spec",
+                "export",
+                "--config",
+                str(temp_dir / "config.json"),
+                "--output",
+                str(spec_path),
+            ],
+        )
+        assert export_result.exit_code == 0, export_result.output
+
+        with open(spec_path, encoding="utf-8") as f:
+            spec = json.load(f)
+        spec["runtime"] = "node"
+        with open(spec_path, "w", encoding="utf-8") as f:
+            json.dump(spec, f, indent=2, sort_keys=True)
+
+        verify_result = runner.invoke(
+            cli,
+            [
+                "build-spec",
+                "verify",
+                str(spec_path),
+                "--config",
+                str(temp_dir / "config.json"),
+            ],
+        )
+        assert verify_result.exit_code != 0
+        assert "Build spec is out of sync" in verify_result.output
+
+
 def test_dockerfile_command_basic() -> None:
     """Test the 'dockerfile' command with basic configuration."""
     runner = CliRunner()

libs/cli/uv.lock

@@ -1071,15 +1071,15 @@ wheels = [
 
 [[package]]
 name = "langgraph-sdk"
-version = "0.3.6"
+version = "0.3.8"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "httpx", marker = "python_full_version >= '3.11'" },
     { name = "orjson", marker = "python_full_version >= '3.11'" },
 ]
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+sdist = { url = "https://files.pythonhosted.org/packages/48/22/f451b7f42e7c553f649c51698b5ff82ed1932993bcb9b7a7c53d888849e1/langgraph_sdk-0.3.8.tar.gz", hash = "sha256:e73e56e403254ebada5cab70165eb0b69155979e2360bca84da2cb63f364dfb9", size = 183804, upload-time = "2026-02-19T19:12:37.971Z" }
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+    { url = "https://files.pythonhosted.org/packages/c5/77/00887fb1fb2c0d61eed0dd76d1ed919558b679f71904d63de6925ca350f9/langgraph_sdk-0.3.8-py3-none-any.whl", hash = "sha256:90436594e95c6fc1d1dafb59ac1c5eff2f8e1853eecc6082262b8e6de04233c1", size = 90038, upload-time = "2026-02-19T19:12:36.65Z" },
 ]
 
 [[package]]
@@ -1962,27 +1962,27 @@ wheels = [
 
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+version = "0.15.2"
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+sdist = { url = "https://files.pythonhosted.org/packages/06/04/eab13a954e763b0606f460443fcbf6bb5a0faf06890ea3754ff16523dce5/ruff-0.15.2.tar.gz", hash = "sha256:14b965afee0969e68bb871eba625343b8673375f457af4abe98553e8bbb98342", size = 4558148, upload-time = "2026-02-19T22:32:20.271Z" }
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 ]
 
 [[package]]

libs/langgraph/Makefile

@@ -1,4 +1,4 @@
-.PHONY: all format lint test test_watch integration_tests spell_check spell_fix benchmark profile start-dev-server integration_tests
+.PHONY: all format lint type test test_watch integration_tests spell_check spell_fix benchmark profile start-dev-server integration_tests
 
 # Default target executed when no arguments are given to make.
 all: help
@@ -125,6 +125,9 @@ lint lint_diff lint_package lint_tests:
 	[ "$(PYTHON_FILES)" = "" ] || mkdir -p $(MYPY_CACHE)
 	[ "$(PYTHON_FILES)" = "" ] || uv run mypy langgraph --cache-dir $(MYPY_CACHE)
 
+type:
+	mkdir -p $(MYPY_CACHE) && uv run mypy langgraph --cache-dir $(MYPY_CACHE)
+
 format format_diff:
 	uv run ruff format $(PYTHON_FILES)
 	uv run ruff check --select I --fix $(PYTHON_FILES)
@@ -147,6 +150,7 @@ help:
 	@echo '-- LINTING --'
 	@echo 'format                       - run code formatters'
 	@echo 'lint                         - run linters'
+	@echo 'type                         - run type checking'
 	@echo 'spell_check               	- run codespell on the project'
 	@echo 'spell_fix               		- run codespell on the project and fix the errors'
 	@echo '-- TESTS --'

libs/langgraph/langgraph/_internal/_fields.py

@@ -3,11 +3,10 @@ from __future__ import annotations
 import dataclasses
 import types
 import weakref
-from collections.abc import Callable, Generator, Sequence
-from typing import Annotated, Any, Optional, Union, cast, get_origin, get_type_hints
+from collections.abc import Generator, Sequence
+from typing import Annotated, Any, Optional, Union, get_origin, get_type_hints
 
 from pydantic import BaseModel
-from pydantic_core import PydanticUndefined
 from typing_extensions import NotRequired, ReadOnly, Required
 
 from langgraph._internal._typing import MISSING
@@ -102,14 +101,6 @@ def get_field_default(name: str, type_: Any, schema: type[Any]) -> Any:
             return ...
         # Handle NotRequired[<type>] for earlier versions of python
         return None
-    if isinstance(schema, type) and issubclass(schema, BaseModel):
-        if name in schema.model_fields:
-            field = schema.model_fields[name]
-            if field.default_factory is not None:
-                factory = cast(Callable[[], Any], field.default_factory)
-                return factory()
-            if field.default is not PydanticUndefined:
-                return field.default
     if dataclasses.is_dataclass(schema):
         field_info = next(
             (f for f in dataclasses.fields(schema) if f.name == name), None

libs/langgraph/langgraph/channels/binop.py

@@ -1,5 +1,4 @@
 import collections.abc
-import copy
 from collections.abc import Callable, Sequence
 from typing import Any, Generic
 
@@ -49,17 +48,11 @@ class BinaryOperatorAggregate(Generic[Value], BaseChannel[Value, Value, Value]):
     ```
     """
 
-    __slots__ = ("value", "operator", "default")
+    __slots__ = ("value", "operator")
 
-    def __init__(
-        self,
-        typ: type[Value],
-        operator: Callable[[Value, Value], Value],
-        default: Any = MISSING,
-    ):
+    def __init__(self, typ: type[Value], operator: Callable[[Value, Value], Value]):
         super().__init__(typ)
         self.operator = operator
-        self.default = default
         # special forms from typing or collections.abc are not instantiable
         # so we need to replace them with their concrete counterparts
         typ = _strip_extras(typ)
@@ -69,23 +62,17 @@ class BinaryOperatorAggregate(Generic[Value], BaseChannel[Value, Value, Value]):
             typ = set
         if typ in (collections.abc.Mapping, collections.abc.MutableMapping):
             typ = dict
-        if default is not MISSING:
-            self.value = copy.deepcopy(default)
-        else:
-            try:
-                self.value = typ()
-            except Exception:
-                self.value = MISSING
+        try:
+            self.value = typ()
+        except Exception:
+            self.value = MISSING
 
     def __eq__(self, value: object) -> bool:
         return isinstance(value, BinaryOperatorAggregate) and (
-            (
-                value.operator is self.operator
-                if value.operator.__name__ != "<lambda>"
-                and self.operator.__name__ != "<lambda>"
-                else True
-            )
-            and value.default == self.default
+            value.operator is self.operator
+            if value.operator.__name__ != "<lambda>"
+            and self.operator.__name__ != "<lambda>"
+            else True
         )
 
     @property
@@ -100,13 +87,13 @@ class BinaryOperatorAggregate(Generic[Value], BaseChannel[Value, Value, Value]):
 
     def copy(self) -> Self:
         """Return a copy of the channel."""
-        empty = self.__class__(self.typ, self.operator, self.default)
+        empty = self.__class__(self.typ, self.operator)
         empty.key = self.key
         empty.value = self.value
         return empty
 
     def from_checkpoint(self, checkpoint: Value) -> Self:
-        empty = self.__class__(self.typ, self.operator, self.default)
+        empty = self.__class__(self.typ, self.operator)
         empty.key = self.key
         if checkpoint is not MISSING:
             empty.value = checkpoint

libs/langgraph/langgraph/graph/state.py

@@ -1567,7 +1567,7 @@ def _get_channels(
 
     type_hints = get_type_hints(schema, include_extras=True)
     all_keys = {
-        name: _get_channel(name, typ, schema=schema)
+        name: _get_channel(name, typ)
         for name, typ in type_hints.items()
         if name != "__slots__"
     }
@@ -1580,30 +1580,18 @@ def _get_channels(
 
 @overload
 def _get_channel(
-    name: str,
-    annotation: Any,
-    *,
-    allow_managed: Literal[False],
-    schema: type[Any] | None = None,
+    name: str, annotation: Any, *, allow_managed: Literal[False]
 ) -> BaseChannel: ...
 
 
 @overload
 def _get_channel(
-    name: str,
-    annotation: Any,
-    *,
-    allow_managed: Literal[True] = True,
-    schema: type[Any] | None = None,
+    name: str, annotation: Any, *, allow_managed: Literal[True] = True
 ) -> BaseChannel | ManagedValueSpec: ...
 
 
 def _get_channel(
-    name: str,
-    annotation: Any,
-    *,
-    allow_managed: bool = True,
-    schema: type[Any] | None = None,
+    name: str, annotation: Any, *, allow_managed: bool = True
 ) -> BaseChannel | ManagedValueSpec:
     # Strip out Required and NotRequired wrappers
     if hasattr(annotation, "__origin__") and annotation.__origin__ in (
@@ -1619,7 +1607,7 @@ def _get_channel(
     elif channel := _is_field_channel(annotation):
         channel.key = name
         return channel
-    elif channel := _is_field_binop(annotation, name=name, schema=schema):
+    elif channel := _is_field_binop(annotation):
         channel.key = name
         return channel
 
@@ -1642,12 +1630,7 @@ def _is_field_channel(typ: type[Any]) -> BaseChannel | None:
     return None
 
 
-def _is_field_binop(
-    typ: type[Any],
-    *,
-    name: str | None = None,
-    schema: type[Any] | None = None,
-) -> BinaryOperatorAggregate | None:
+def _is_field_binop(typ: type[Any]) -> BinaryOperatorAggregate | None:
     if hasattr(typ, "__metadata__"):
         meta = typ.__metadata__
         if len(meta) >= 1 and callable(meta[-1]):
@@ -1660,12 +1643,7 @@ def _is_field_binop(
                 )
                 == 2
             ):
-                default: Any = MISSING
-                if name is not None and schema is not None:
-                    field_default = get_field_default(name, typ, schema)
-                    if field_default is not ...:
-                        default = field_default
-                return BinaryOperatorAggregate(typ, meta[-1], default=default)
+                return BinaryOperatorAggregate(typ, meta[-1])
             else:
                 raise ValueError(
                     f"Invalid reducer signature. Expected (a, b) -> c. Got {sig}"

libs/langgraph/langgraph/pregel/_runner.py

@@ -728,7 +728,6 @@ async def _acall_impl(
                     )
                 else:
                     fut.set_result(None)
-                futures()[fut] = next_task  # type: ignore[index]
             else:
                 # schedule the next task
                 fut = cast(

libs/langgraph/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "langgraph"
-version = "1.0.8"
+version = "1.0.9"
 description = "Building stateful, multi-actor applications with LLMs"
 authors = []
 requires-python = ">=3.10"
@@ -27,7 +27,7 @@ dependencies = [
     "langchain-core>=0.1",
     "langgraph-checkpoint>=2.1.0,<5.0.0",
     "langgraph-sdk>=0.3.0,<0.4.0",
-    "langgraph-prebuilt>=1.0.7,<1.1.0",
+    "langgraph-prebuilt>=1.0.8,<1.1.0",
     "xxhash>=3.5.0",
     "pydantic>=2.7.4",
 ]

libs/langgraph/tests/test_channels.py

@@ -90,77 +90,6 @@ def test_binop() -> None:
     assert channel.get() == 10
 
 
-def test_binop_with_default() -> None:
-    # Test that a default value is used instead of typ()
-    channel = BinaryOperatorAggregate(int, operator.add, default=10).from_checkpoint(
-        MISSING
-    )
-    assert channel.get() == 10
-
-    channel.update([5])
-    assert channel.get() == 15
-
-    # Test checkpoint round-trip preserves default for new channels
-    checkpoint = channel.checkpoint()
-    restored = BinaryOperatorAggregate(int, operator.add, default=10).from_checkpoint(
-        checkpoint
-    )
-    assert restored.get() == 15
-
-    # Test from_checkpoint with MISSING uses default
-    fresh = BinaryOperatorAggregate(int, operator.add, default=10).from_checkpoint(
-        MISSING
-    )
-    assert fresh.get() == 10
-
-    # Test dict default with or_ reducer
-    channel = BinaryOperatorAggregate(
-        dict, operator.or_, default={"a": 1}
-    ).from_checkpoint(MISSING)
-    assert channel.get() == {"a": 1}
-    channel.update([{"b": 2}])
-    assert channel.get() == {"a": 1, "b": 2}
-
-
-def test_binop_with_default_mutable_safety() -> None:
-    """Mutable defaults should not be shared across channel instances."""
-    default = {"a": 1}
-    ch1 = BinaryOperatorAggregate(dict, operator.or_, default=default).from_checkpoint(
-        MISSING
-    )
-    ch2 = BinaryOperatorAggregate(dict, operator.or_, default=default).from_checkpoint(
-        MISSING
-    )
-
-    # Mutate ch1's value via a reducer that mutates in-place
-    def mutating_reducer(a: dict, b: dict) -> dict:
-        a.update(b)
-        return a
-
-    ch1.operator = mutating_reducer
-    ch1.update([{"b": 2}])
-    assert ch1.get() == {"a": 1, "b": 2}
-
-    # ch2 should be unaffected
-    assert ch2.get() == {"a": 1}
-
-    # Original default should be unaffected
-    assert default == {"a": 1}
-
-
-def test_binop_with_default_multi_invoke() -> None:
-    """Defaults should be fresh across multiple from_checkpoint calls."""
-    template = BinaryOperatorAggregate(dict, operator.or_, default={"a": 1})
-
-    # Simulate two separate runs
-    run1 = template.from_checkpoint(MISSING)
-    run1.update([{"b": 2}])
-    assert run1.get() == {"a": 1, "b": 2}
-
-    run2 = template.from_checkpoint(MISSING)
-    assert run2.get() == {"a": 1}  # Should NOT see {"b": 2}
-
-
 def test_untracked_value() -> None:
     channel = UntrackedValue(dict).from_checkpoint(MISSING)
     assert channel.ValueType is dict

libs/langgraph/tests/test_pregel.py

@@ -5800,6 +5800,284 @@ def test_multiple_interrupts_functional_cache(
     assert counter == 6
 
 
+def test_task_before_interrupt_resume(
+    sync_checkpointer: BaseCheckpointSaver,
+) -> None:
+    """Test that Command(resume=value) works correctly when a @task runs
+    before interrupt-producing tasks in an @entrypoint.
+
+    The @task wrapper on both setup and ask is essential to reproduce the bug:
+    - @task on setup triggers a mid-step put_writes (creating a new pending_writes list)
+    - @task on ask means interrupt() runs in a child scratchpad that must
+      delegate to the parent for null resume consumption tracking
+    """
+
+    @entrypoint(checkpointer=sync_checkpointer)
+    def workflow(number_of_topics: int) -> dict:
+        @task
+        def setup() -> int:
+            return number_of_topics
+
+        @task
+        def ask(question: str) -> str:
+            return interrupt(question)
+
+        n = setup().result()
+
+        answers = []
+        for i in range(n):
+            q = f"Whats the answer for topic {i + 1}?"
+            answers.append(ask(q).result())
+
+        return {"answers": answers}
+
+    config = {"configurable": {"thread_id": "1"}}
+
+    # First invocation - should get first interrupt
+    result = workflow.invoke(2, config=config)
+    assert "__interrupt__" in result
+    assert len(result["__interrupt__"]) == 1
+    assert result["__interrupt__"][0].value == "Whats the answer for topic 1?"
+
+    # Resume with answer for topic 1 - should get second interrupt
+    result = workflow.invoke(Command(resume="answer1"), config=config)
+    assert "__interrupt__" in result, f"Expected interrupt for topic 2, got: {result}"
+    assert len(result["__interrupt__"]) == 1
+    assert result["__interrupt__"][0].value == "Whats the answer for topic 2?"
+
+    # Resume with answer for topic 2 - should get final result
+    result = workflow.invoke(Command(resume="answer2"), config=config)
+    assert result == {"answers": ["answer1", "answer2"]}
+
+
+def test_multiple_tasks_before_interrupt_resume(
+    sync_checkpointer: BaseCheckpointSaver,
+) -> None:
+    """Test that Command(resume=value) works correctly when multiple @tasks
+    run before an interrupt-producing task in an @entrypoint."""
+
+    @entrypoint(checkpointer=sync_checkpointer)
+    def workflow(inputs: dict) -> dict:
+        @task
+        def step_a(x: int) -> int:
+            return x + 1
+
+        @task
+        def step_b(x: int) -> int:
+            return x * 2
+
+        @task
+        def ask(question: str) -> str:
+            return interrupt(question)
+
+        a = step_a(inputs["x"]).result()
+        b = step_b(a).result()
+
+        answer = ask(f"Result so far is {b}. What next?").result()
+
+        return {"computed": b, "answer": answer}
+
+    config = {"configurable": {"thread_id": "1"}}
+
+    # First invocation - should get interrupt
+    result = workflow.invoke({"x": 5}, config=config)
+    assert "__interrupt__" in result
+    assert result["__interrupt__"][0].value == "Result so far is 12. What next?"
+
+    # Resume
+    result = workflow.invoke(Command(resume="continue"), config=config)
+    assert result == {"computed": 12, "answer": "continue"}
+
+
+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:
+        return x
+
+    @task
+    def ask(question: str) -> str:
+        return interrupt(question)
+
+    @entrypoint(checkpointer=sync_checkpointer)
+    def workflow(x: int) -> dict:
+        n = setup(x).result()
+        answer = ask(f"q{n}").result()
+        return {"answer": answer}
+
+    config = {"configurable": {"thread_id": "1"}}
+    result = workflow.invoke(1, config=config)
+    assert "__interrupt__" in result
+
+    put_writes_task_ids: list[str] = []
+    orig = PregelLoop.put_writes
+
+    def spy(self, task_id, writes):
+        put_writes_task_ids.append(task_id)
+        return orig(self, task_id, writes)
+
+    with patch.object(PregelLoop, "put_writes", spy):
+        result = workflow.invoke(Command(resume="ans"), config=config)
+
+    assert result == {"answer": "ans"}
+    # Count unique non-null task IDs that got put_writes.
+    # Should be exactly 2: the ask task and the entrypoint task.
+    # If 3, the cached setup task is being redundantly re-committed.
+    non_null = set(tid for tid in put_writes_task_ids if not tid.startswith("00000000"))
+    assert len(non_null) == 2, (
+        f"Expected 2 task IDs in put_writes (ask + entrypoint), got {len(non_null)}"
+    )
+
+
+def test_node_before_interrupt_resume_graph_api(
+    sync_checkpointer: BaseCheckpointSaver,
+) -> None:
+    """Test that Command(resume=value) works correctly in a StateGraph when a
+    node runs before a node that calls interrupt(). This is the graph-API
+    analog of test_task_before_interrupt_resume (entrypoint API)."""
+
+    class State(TypedDict):
+        topics: list[str]
+        answers: Annotated[list[str], operator.add]
+
+    def setup(state: State) -> dict:
+        return {"topics": [f"topic {i + 1}" for i in range(len(state["topics"]))]}
+
+    def ask(state: State) -> dict:
+        answers = []
+        for topic in state["topics"]:
+            answer = interrupt(f"Whats the answer for {topic}?")
+            answers.append(answer)
+        return {"answers": answers}
+
+    graph = (
+        StateGraph(State)
+        .add_node("setup", setup)
+        .add_node("ask", ask)
+        .add_edge(START, "setup")
+        .add_edge("setup", "ask")
+        .add_edge("ask", END)
+        .compile(checkpointer=sync_checkpointer)
+    )
+
+    config = {"configurable": {"thread_id": "1"}}
+
+    # First invocation - setup runs, then ask interrupts on the first topic
+    result = graph.invoke({"topics": ["a", "b"], "answers": []}, config=config)
+    assert "__interrupt__" in result
+    assert len(result["__interrupt__"]) == 1
+    assert result["__interrupt__"][0].value == "Whats the answer for topic 1?"
+
+    # Resume with answer for topic 1 - should get second interrupt
+    result = graph.invoke(Command(resume="answer1"), config=config)
+    assert "__interrupt__" in result, f"Expected interrupt for topic 2, got: {result}"
+    assert len(result["__interrupt__"]) == 1
+    assert result["__interrupt__"][0].value == "Whats the answer for topic 2?"
+
+    # Resume with answer for topic 2 - should complete
+    result = graph.invoke(Command(resume="answer2"), config=config)
+    assert result == {
+        "topics": ["topic 1", "topic 2"],
+        "answers": ["answer1", "answer2"],
+    }
+
+
+def test_multiple_nodes_before_interrupt_resume_graph_api(
+    sync_checkpointer: BaseCheckpointSaver,
+) -> None:
+    """Test that Command(resume=value) works correctly in a StateGraph when
+    multiple nodes run before a node that calls interrupt(). This is the
+    graph-API analog of test_multiple_tasks_before_interrupt_resume."""
+
+    class State(TypedDict):
+        value: int
+        answer: str
+
+    def step_a(state: State) -> dict:
+        return {"value": state["value"] + 1}
+
+    def step_b(state: State) -> dict:
+        return {"value": state["value"] * 2}
+
+    def ask(state: State) -> dict:
+        answer = interrupt(f"Result so far is {state['value']}. What next?")
+        return {"answer": answer}
+
+    graph = (
+        StateGraph(State)
+        .add_node("step_a", step_a)
+        .add_node("step_b", step_b)
+        .add_node("ask", ask)
+        .add_edge(START, "step_a")
+        .add_edge("step_a", "step_b")
+        .add_edge("step_b", "ask")
+        .add_edge("ask", END)
+        .compile(checkpointer=sync_checkpointer)
+    )
+
+    config = {"configurable": {"thread_id": "1"}}
+
+    # First invocation - step_a and step_b run, then ask interrupts
+    result = graph.invoke({"value": 5, "answer": ""}, config=config)
+    assert "__interrupt__" in result
+    assert result["__interrupt__"][0].value == "Result so far is 12. What next?"
+
+    # Resume - should complete
+    result = graph.invoke(Command(resume="continue"), config=config)
+    assert result == {"value": 12, "answer": "continue"}
+
+
+def test_node_before_multiple_interrupt_cycles_graph_api(
+    sync_checkpointer: BaseCheckpointSaver,
+) -> None:
+    """Test that a node running before an interrupt node does not interfere
+    with multiple interrupt/resume cycles in a StateGraph."""
+
+    class State(TypedDict):
+        count: int
+        data: str
+
+    def prepare(state: State) -> dict:
+        return {"count": state["count"] + 10}
+
+    def multi_interrupt(state: State) -> dict:
+        first = interrupt("First question?")
+        second = interrupt("Second question?")
+        return {"data": f"{first},{second}"}
+
+    graph = (
+        StateGraph(State)
+        .add_node("prepare", prepare)
+        .add_node("multi_interrupt", multi_interrupt)
+        .add_edge(START, "prepare")
+        .add_edge("prepare", "multi_interrupt")
+        .add_edge("multi_interrupt", END)
+        .compile(checkpointer=sync_checkpointer)
+    )
+
+    config = {"configurable": {"thread_id": "1"}}
+
+    # First invocation - prepare runs, multi_interrupt hits first interrupt
+    result = graph.invoke({"count": 0, "data": ""}, config=config)
+    assert "__interrupt__" in result
+    assert result["__interrupt__"][0].value == "First question?"
+
+    # Resume first interrupt - hits second interrupt
+    result = graph.invoke(Command(resume="first_answer"), config=config)
+    assert "__interrupt__" in result
+    assert result["__interrupt__"][0].value == "Second question?"
+
+    # Resume second interrupt - completes
+    result = graph.invoke(Command(resume="second_answer"), config=config)
+    assert result == {"count": 10, "data": "first_answer,second_answer"}
+
+
 def test_double_interrupt_subgraph(sync_checkpointer: BaseCheckpointSaver) -> None:
     class AgentState(TypedDict):
         input: str
@@ -9059,144 +9337,3 @@ def test_fork_does_not_apply_pending_writes(
 
     # Should be: 1 (input) + 20 (forked node_a) + 100 (node_b) = 121
     assert result == {"value": 121}
-
-
-def test_reducer_field_with_pydantic_default() -> None:
-    """Test that Annotated reducer fields respect Pydantic Field defaults."""
-
-    class State(BaseModel):
-        query: str
-        files: Annotated[dict[str, str], operator.or_] = Field(
-            default_factory=lambda: {"default.txt": "content"}
-        )
-
-    observed_files: list[dict] = []
-
-    def node(state: State) -> dict:
-        observed_files.append(state.files)
-        return {"files": {"new.txt": "new"}}
-
-    graph = StateGraph(State)
-    graph.add_node("node", node)
-    graph.set_entry_point("node")
-    graph.set_finish_point("node")
-    app = graph.compile()
-
-    # Invoke without providing files — should use default
-    result = app.invoke({"query": "test"})
-    assert observed_files[0] == {"default.txt": "content"}
-    assert result == {
-        "query": "test",
-        "files": {"default.txt": "content", "new.txt": "new"},
-    }
-
-
-def test_reducer_field_with_pydantic_default_explicit_value() -> None:
-    """Test that an explicit value overrides the default for reducer fields."""
-
-    class State(BaseModel):
-        files: Annotated[dict[str, str], operator.or_] = Field(
-            default_factory=lambda: {"default.txt": "content"}
-        )
-
-    observed_files: list[dict] = []
-
-    def node(state: State) -> dict:
-        observed_files.append(state.files)
-        return {}
-
-    graph = StateGraph(State)
-    graph.add_node("node", node)
-    graph.set_entry_point("node")
-    graph.set_finish_point("node")
-    app = graph.compile()
-
-    # Invoke WITH explicit files — should use provided value, not default
-    app.invoke({"files": {"custom.txt": "custom"}})
-    assert observed_files[0] == {"default.txt": "content", "custom.txt": "custom"}
-
-
-def test_reducer_field_with_dataclass_default() -> None:
-    """Test that Annotated reducer fields respect dataclass defaults."""
-
-    @dataclass
-    class State:
-        query: str
-        files: Annotated[dict[str, str], operator.or_] = field(
-            default_factory=lambda: {"default.txt": "content"}
-        )
-
-    observed_files: list[dict] = []
-
-    def node(state: State) -> dict:
-        observed_files.append(state.files)
-        return {"files": {"new.txt": "new"}}
-
-    graph = StateGraph(State)
-    graph.add_node("node", node)
-    graph.set_entry_point("node")
-    graph.set_finish_point("node")
-    app = graph.compile()
-
-    result = app.invoke({"query": "test"})
-    assert observed_files[0] == {"default.txt": "content"}
-    assert result == {
-        "query": "test",
-        "files": {"default.txt": "content", "new.txt": "new"},
-    }
-
-
-def test_reducer_field_with_pydantic_none_default() -> None:
-    """Test that None default is respected (not confused with 'no default')."""
-
-    def _reducer(a: str | None, b: str | None) -> str | None:
-        if b is not None:
-            return b
-        return a
-
-    class State(BaseModel):
-        query: str
-        data: Annotated[str | None, _reducer] = None
-
-    observed: list[Any] = []
-
-    def node(state: State) -> dict:
-        observed.append(state.data)
-        return {"data": "updated"}
-
-    graph = StateGraph(State)
-    graph.add_node("node", node)
-    graph.set_entry_point("node")
-    graph.set_finish_point("node")
-    app = graph.compile()
-
-    result = app.invoke({"query": "test"})
-    assert observed[0] is None  # default None was respected
-    assert result == {"query": "test", "data": "updated"}
-
-
-def test_reducer_field_with_default_multi_step() -> None:
-    """Test that defaults work correctly across multiple graph steps."""
-
-    class State(BaseModel):
-        items: Annotated[list[str], operator.add] = Field(
-            default_factory=lambda: ["initial"]
-        )
-
-    def step1(state: State) -> dict:
-        return {"items": ["step1"]}
-
-    def step2(state: State) -> dict:
-        return {"items": ["step2"]}
-
-    graph = StateGraph(State)
-    graph.add_node("step1", step1)
-    graph.add_node("step2", step2)
-    graph.set_entry_point("step1")
-    graph.add_edge("step1", "step2")
-    graph.set_finish_point("step2")
-    app = graph.compile()
-
-    result = app.invoke({})
-    # Default ["initial"] + ["step1"] + ["step2"]
-    assert result == {"items": ["initial", "step1", "step2"]}

libs/langgraph/tests/test_pregel_async.py

@@ -7920,6 +7920,290 @@ async def test_interrupts_in_tasks_surfaced_once(
     assert result[1] == "Added Will!"
 
 
+@NEEDS_CONTEXTVARS
+async def test_task_before_interrupt_resume(
+    async_checkpointer: BaseCheckpointSaver,
+) -> None:
+    """Test that Command(resume=value) works correctly when a @task runs
+    before interrupt-producing tasks in an @entrypoint.
+
+    The @task wrapper on both setup and ask is essential to reproduce the bug:
+    - @task on setup triggers a mid-step put_writes (creating a new pending_writes list)
+    - @task on ask means interrupt() runs in a child scratchpad that must
+      delegate to the parent for null resume consumption tracking
+    """
+
+    @entrypoint(checkpointer=async_checkpointer)
+    async def workflow(number_of_topics: int) -> dict:
+        @task
+        async def setup() -> int:
+            return number_of_topics
+
+        @task
+        async def ask(question: str) -> str:
+            return interrupt(question)
+
+        n = await setup()
+
+        answers = []
+        for i in range(n):
+            q = f"Whats the answer for topic {i + 1}?"
+            answers.append(await ask(q))
+
+        return {"answers": answers}
+
+    config = {"configurable": {"thread_id": "1"}}
+
+    # First invocation - should get first interrupt
+    result = await workflow.ainvoke(2, config=config)
+    assert "__interrupt__" in result
+    assert len(result["__interrupt__"]) == 1
+    assert result["__interrupt__"][0].value == "Whats the answer for topic 1?"
+
+    # Resume with answer for topic 1 - should get second interrupt
+    result = await workflow.ainvoke(Command(resume="answer1"), config=config)
+    assert "__interrupt__" in result, f"Expected interrupt for topic 2, got: {result}"
+    assert len(result["__interrupt__"]) == 1
+    assert result["__interrupt__"][0].value == "Whats the answer for topic 2?"
+
+    # Resume with answer for topic 2 - should get final result
+    result = await workflow.ainvoke(Command(resume="answer2"), config=config)
+    assert result == {"answers": ["answer1", "answer2"]}
+
+
+@NEEDS_CONTEXTVARS
+async def test_multiple_tasks_before_interrupt_resume(
+    async_checkpointer: BaseCheckpointSaver,
+) -> None:
+    """Test that Command(resume=value) works correctly when multiple @tasks
+    run before an interrupt-producing task in an @entrypoint."""
+
+    @entrypoint(checkpointer=async_checkpointer)
+    async def workflow(inputs: dict) -> dict:
+        @task
+        async def step_a(x: int) -> int:
+            return x + 1
+
+        @task
+        async def step_b(x: int) -> int:
+            return x * 2
+
+        @task
+        async def ask(question: str) -> str:
+            return interrupt(question)
+
+        a = await step_a(inputs["x"])
+        b = await step_b(a)
+
+        answer = await ask(f"Result so far is {b}. What next?")
+
+        return {"computed": b, "answer": answer}
+
+    config = {"configurable": {"thread_id": "1"}}
+
+    # First invocation - should get interrupt
+    result = await workflow.ainvoke({"x": 5}, config=config)
+    assert "__interrupt__" in result
+    assert result["__interrupt__"][0].value == "Result so far is 12. What next?"
+
+    # Resume
+    result = await workflow.ainvoke(Command(resume="continue"), config=config)
+    assert result == {"computed": 12, "answer": "continue"}
+
+
+@NEEDS_CONTEXTVARS
+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:
+        return x
+
+    @task
+    async def ask(question: str) -> str:
+        return interrupt(question)
+
+    @entrypoint(checkpointer=async_checkpointer)
+    async def workflow(x: int) -> dict:
+        n = await setup(x)
+        answer = await ask(f"q{n}")
+        return {"answer": answer}
+
+    config = {"configurable": {"thread_id": "1"}}
+    result = await workflow.ainvoke(1, config=config)
+    assert "__interrupt__" in result
+
+    put_writes_task_ids: list[str] = []
+    orig = PregelLoop.put_writes
+
+    def spy(self, task_id, writes):
+        put_writes_task_ids.append(task_id)
+        return orig(self, task_id, writes)
+
+    with patch.object(PregelLoop, "put_writes", spy):
+        result = await workflow.ainvoke(Command(resume="ans"), config=config)
+
+    assert result == {"answer": "ans"}
+    # Count unique non-null task IDs that got put_writes.
+    # Should be exactly 2: the ask task and the entrypoint task.
+    # If 3, the cached setup task is being redundantly re-committed.
+    non_null = set(tid for tid in put_writes_task_ids if not tid.startswith("00000000"))
+    assert len(non_null) == 2, (
+        f"Expected 2 task IDs in put_writes (ask + entrypoint), got {len(non_null)}"
+    )
+
+
+@NEEDS_CONTEXTVARS
+async def test_node_before_interrupt_resume_graph_api(
+    async_checkpointer: BaseCheckpointSaver,
+) -> None:
+    """Test that Command(resume=value) works correctly in a StateGraph when a
+    node runs before a node that calls interrupt(). This is the graph-API
+    analog of test_task_before_interrupt_resume (entrypoint API)."""
+
+    class State(TypedDict):
+        topics: list[str]
+        answers: Annotated[list[str], operator.add]
+
+    def setup(state: State) -> dict:
+        return {"topics": [f"topic {i + 1}" for i in range(len(state["topics"]))]}
+
+    def ask(state: State) -> dict:
+        answers = []
+        for topic in state["topics"]:
+            answer = interrupt(f"Whats the answer for {topic}?")
+            answers.append(answer)
+        return {"answers": answers}
+
+    graph = (
+        StateGraph(State)
+        .add_node("setup", setup)
+        .add_node("ask", ask)
+        .add_edge(START, "setup")
+        .add_edge("setup", "ask")
+        .add_edge("ask", END)
+        .compile(checkpointer=async_checkpointer)
+    )
+
+    config = {"configurable": {"thread_id": "1"}}
+
+    # First invocation - setup runs, then ask interrupts on the first topic
+    result = await graph.ainvoke({"topics": ["a", "b"], "answers": []}, config=config)
+    assert "__interrupt__" in result
+    assert len(result["__interrupt__"]) == 1
+    assert result["__interrupt__"][0].value == "Whats the answer for topic 1?"
+
+    # Resume with answer for topic 1 - should get second interrupt
+    result = await graph.ainvoke(Command(resume="answer1"), config=config)
+    assert "__interrupt__" in result, f"Expected interrupt for topic 2, got: {result}"
+    assert len(result["__interrupt__"]) == 1
+    assert result["__interrupt__"][0].value == "Whats the answer for topic 2?"
+
+    # Resume with answer for topic 2 - should complete
+    result = await graph.ainvoke(Command(resume="answer2"), config=config)
+    assert result == {
+        "topics": ["topic 1", "topic 2"],
+        "answers": ["answer1", "answer2"],
+    }
+
+
+@NEEDS_CONTEXTVARS
+async def test_multiple_nodes_before_interrupt_resume_graph_api(
+    async_checkpointer: BaseCheckpointSaver,
+) -> None:
+    """Test that Command(resume=value) works correctly in a StateGraph when
+    multiple nodes run before a node that calls interrupt(). This is the
+    graph-API analog of test_multiple_tasks_before_interrupt_resume."""
+
+    class State(TypedDict):
+        value: int
+        answer: str
+
+    def step_a(state: State) -> dict:
+        return {"value": state["value"] + 1}
+
+    def step_b(state: State) -> dict:
+        return {"value": state["value"] * 2}
+
+    def ask(state: State) -> dict:
+        answer = interrupt(f"Result so far is {state['value']}. What next?")
+        return {"answer": answer}
+
+    graph = (
+        StateGraph(State)
+        .add_node("step_a", step_a)
+        .add_node("step_b", step_b)
+        .add_node("ask", ask)
+        .add_edge(START, "step_a")
+        .add_edge("step_a", "step_b")
+        .add_edge("step_b", "ask")
+        .add_edge("ask", END)
+        .compile(checkpointer=async_checkpointer)
+    )
+
+    config = {"configurable": {"thread_id": "1"}}
+
+    # First invocation - step_a and step_b run, then ask interrupts
+    result = await graph.ainvoke({"value": 5, "answer": ""}, config=config)
+    assert "__interrupt__" in result
+    assert result["__interrupt__"][0].value == "Result so far is 12. What next?"
+
+    # Resume - should complete
+    result = await graph.ainvoke(Command(resume="continue"), config=config)
+    assert result == {"value": 12, "answer": "continue"}
+
+
+@NEEDS_CONTEXTVARS
+async def test_node_before_multiple_interrupt_cycles_graph_api(
+    async_checkpointer: BaseCheckpointSaver,
+) -> None:
+    """Test that a node running before an interrupt node does not interfere
+    with multiple interrupt/resume cycles in a StateGraph."""
+
+    class State(TypedDict):
+        count: int
+        data: str
+
+    def prepare(state: State) -> dict:
+        return {"count": state["count"] + 10}
+
+    def multi_interrupt(state: State) -> dict:
+        first = interrupt("First question?")
+        second = interrupt("Second question?")
+        return {"data": f"{first},{second}"}
+
+    graph = (
+        StateGraph(State)
+        .add_node("prepare", prepare)
+        .add_node("multi_interrupt", multi_interrupt)
+        .add_edge(START, "prepare")
+        .add_edge("prepare", "multi_interrupt")
+        .add_edge("multi_interrupt", END)
+        .compile(checkpointer=async_checkpointer)
+    )
+
+    config = {"configurable": {"thread_id": "1"}}
+
+    # First invocation - prepare runs, multi_interrupt hits first interrupt
+    result = await graph.ainvoke({"count": 0, "data": ""}, config=config)
+    assert "__interrupt__" in result
+    assert result["__interrupt__"][0].value == "First question?"
+
+    # Resume first interrupt - hits second interrupt
+    result = await graph.ainvoke(Command(resume="first_answer"), config=config)
+    assert "__interrupt__" in result
+    assert result["__interrupt__"][0].value == "Second question?"
+
+    # Resume second interrupt - completes
+    result = await graph.ainvoke(Command(resume="second_answer"), config=config)
+    assert result == {"count": 10, "data": "first_answer,second_answer"}
+
+
 async def test_pregel_loop_refcount():
     gc.collect()
     try:
@@ -9347,82 +9631,3 @@ async def test_fork_does_not_apply_pending_writes(
 
     # 1 (input) + 20 (forked node_a) + 100 (node_b) = 121
     assert result == {"value": 121}
-
-
-async def test_reducer_field_with_pydantic_default() -> None:
-    """Test that Annotated reducer fields respect Pydantic Field defaults."""
-
-    class State(BaseModel):
-        query: str
-        files: Annotated[dict[str, str], operator.or_] = Field(
-            default_factory=lambda: {"default.txt": "content"}
-        )
-
-    observed_files: list[dict] = []
-
-    def node(state: State) -> dict:
-        observed_files.append(state.files)
-        return {"files": {"new.txt": "new"}}
-
-    graph = StateGraph(State)
-    graph.add_node("node", node)
-    graph.set_entry_point("node")
-    graph.set_finish_point("node")
-    app = graph.compile()
-
-    result = await app.ainvoke({"query": "test"})
-    assert observed_files[0] == {"default.txt": "content"}
-    assert result == {
-        "query": "test",
-        "files": {"default.txt": "content", "new.txt": "new"},
-    }
-
-
-async def test_reducer_field_with_pydantic_default_explicit_value() -> None:
-    """Test that an explicit value overrides the default for reducer fields."""
-
-    class State(BaseModel):
-        files: Annotated[dict[str, str], operator.or_] = Field(
-            default_factory=lambda: {"default.txt": "content"}
-        )
-
-    observed_files: list[dict] = []
-
-    def node(state: State) -> dict:
-        observed_files.append(state.files)
-        return {}
-
-    graph = StateGraph(State)
-    graph.add_node("node", node)
-    graph.set_entry_point("node")
-    graph.set_finish_point("node")
-    app = graph.compile()
-
-    await app.ainvoke({"files": {"custom.txt": "custom"}})
-    assert observed_files[0] == {"default.txt": "content", "custom.txt": "custom"}
-
-
-async def test_reducer_field_with_default_multi_step() -> None:
-    """Test that defaults work correctly across multiple graph steps."""
-
-    class State(BaseModel):
-        items: Annotated[list[str], operator.add] = Field(
-            default_factory=lambda: ["initial"]
-        )
-
-    def step1(state: State) -> dict:
-        return {"items": ["step1"]}
-
-    def step2(state: State) -> dict:
-        return {"items": ["step2"]}
-
-    graph = StateGraph(State)
-    graph.add_node("step1", step1)
-    graph.add_node("step2", step2)
-    graph.set_entry_point("step1")
-    graph.add_edge("step1", "step2")
-    graph.set_finish_point("step2")
-    app = graph.compile()
-
-    result = await app.ainvoke({})
-    assert result == {"items": ["initial", "step1", "step2"]}

libs/langgraph/uv.lock

@@ -1367,7 +1367,7 @@ wheels = [
 
 [[package]]
 name = "langgraph"
-version = "1.0.8"
+version = "1.0.9"
 source = { editable = "." }
 dependencies = [
     { name = "langchain-core" },
@@ -1735,7 +1735,7 @@ test = [
 
 [[package]]
 name = "langgraph-prebuilt"
-version = "1.0.7"
+version = "1.0.8"
 source = { editable = "../prebuilt" }
 dependencies = [
     { name = "langchain-core" },

libs/prebuilt/Makefile

@@ -1,4 +1,4 @@
-.PHONY: all format lint test test-fast test_watch integration_tests spell_check spell_fix benchmark profile
+.PHONY: all format lint type test test-fast test_watch integration_tests spell_check spell_fix benchmark profile
 
 # Default target executed when no arguments are given to make.
 all: help
@@ -50,6 +50,9 @@ lint lint_diff lint_package lint_tests:
 	[ "$(PYTHON_FILES)" = "" ] || mkdir -p $(MYPY_CACHE)
 	[ "$(PYTHON_FILES)" = "" ] || uv run mypy langgraph --cache-dir $(MYPY_CACHE)
 
+type:
+	mkdir -p $(MYPY_CACHE) && uv run mypy langgraph --cache-dir $(MYPY_CACHE)
+
 format format_diff:
 	uv run ruff format $(PYTHON_FILES)
 	uv run ruff check --fix $(PYTHON_FILES)
@@ -72,6 +75,7 @@ help:
 	@echo '-- LINTING --'
 	@echo 'format                       - run code formatters'
 	@echo 'lint                         - run linters'
+	@echo 'type                         - run type checking'
 	@echo 'spell_check               	- run codespell on the project'
 	@echo 'spell_fix               		- run codespell on the project and fix the errors'
 	@echo '-- TESTS --'

libs/prebuilt/langgraph/prebuilt/tool_node.py

@@ -922,7 +922,7 @@ class ToolNode(RunnableCallable):
             raise TypeError(msg)
 
         # Inject state, store, and runtime right before invocation
-        injected_call = self._inject_tool_args(call, request.runtime)
+        injected_call = self._inject_tool_args(call, request.runtime, tool)
         call_args = {**injected_call, "type": "tool_call"}
 
         try:
@@ -1075,7 +1075,7 @@ class ToolNode(RunnableCallable):
             raise TypeError(msg)
 
         # Inject state, store, and runtime right before invocation
-        injected_call = self._inject_tool_args(call, request.runtime)
+        injected_call = self._inject_tool_args(call, request.runtime, tool)
         call_args = {**injected_call, "type": "tool_call"}
 
         try:
@@ -1281,6 +1281,7 @@ class ToolNode(RunnableCallable):
         self,
         tool_call: ToolCall,
         tool_runtime: ToolRuntime,
+        tool: BaseTool | None = None,
     ) -> ToolCall:
         """Inject graph state, store, and runtime into tool call arguments.
 
@@ -1299,6 +1300,9 @@ class ToolNode(RunnableCallable):
                 Must contain 'name', 'args', 'id', and 'type' fields.
             tool_runtime: The ToolRuntime instance containing all runtime context
                 (state, config, store, context, stream_writer) to inject into tools.
+            tool: Optional tool instance. When provided, allows injection for
+                dynamically registered tools that are not in self.tools_by_name
+                (e.g., tools added via middleware's wrap_tool_call).
 
         Returns:
             A new ToolCall dictionary with the same structure as the input but with
@@ -1312,10 +1316,12 @@ class ToolNode(RunnableCallable):
             This method is called automatically during tool execution. It should not
             be called from outside the `ToolNode`.
         """
-        if tool_call["name"] not in self.tools_by_name:
-            return tool_call
-
         injected = self._injected_args.get(tool_call["name"])
+        if not injected and tool is not None:
+            # For dynamically registered tools (e.g., added via middleware's
+            # wrap_tool_call), compute injected args on-the-fly since they
+            # were not present during ToolNode initialization.
+            injected = _get_all_injected_args(tool)
         if not injected:
             return tool_call
 

libs/prebuilt/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "langgraph-prebuilt"
-version = "1.0.7"
+version = "1.0.8"
 description = "Library with high-level APIs for creating and executing LangGraph agents and tools."
 authors = []
 requires-python = ">=3.10"

libs/prebuilt/tests/test_tool_node.py

@@ -1902,3 +1902,109 @@ async def test_tool_node_tool_runtime_generic() -> None:
     assert tool_message.type == "tool"
     assert tool_message.content == "test_info"
     assert tool_message.tool_call_id == "call_1"
+
+
+def test_tool_node_inject_runtime_dynamic_tool_via_wrap_tool_call() -> None:
+    """Test that ToolRuntime is injected for dynamically registered tools.
+
+    Regression test for https://github.com/langchain-ai/langchain/issues/35305.
+    When a tool is dynamically provided via wrap_tool_call (not registered at
+    ToolNode init time), ToolRuntime should still be injected into the tool.
+    """
+
+    @dec_tool
+    def static_tool(x: int) -> str:
+        """A static tool registered at init."""
+        return f"static: {x}"
+
+    @dec_tool
+    def dynamic_tool_with_runtime(x: int, runtime: ToolRuntime) -> str:
+        """A dynamic tool that needs ToolRuntime injection."""
+        return f"dynamic: x={x}, tool_call_id={runtime.tool_call_id}"
+
+    def wrap_tool_call(request, execute):
+        """Middleware that swaps in a dynamic tool."""
+        if request.tool_call["name"] == "dynamic_tool_with_runtime":
+            # Override tool to the dynamic one (not registered at init)
+            new_request = request.override(tool=dynamic_tool_with_runtime)
+            return execute(new_request)
+        return execute(request)
+
+    # ToolNode only knows about static_tool at init time
+    tool_node = ToolNode(
+        [static_tool],
+        wrap_tool_call=wrap_tool_call,
+    )
+
+    # Verify the dynamic tool is NOT in the tool node's registered tools
+    assert "dynamic_tool_with_runtime" not in tool_node.tools_by_name
+
+    # Call the dynamic tool
+    tool_call = {
+        "name": "dynamic_tool_with_runtime",
+        "args": {"x": 42},
+        "id": "call_dynamic_1",
+        "type": "tool_call",
+    }
+    msg = AIMessage("", tool_calls=[tool_call])
+    result = tool_node.invoke(
+        {"messages": [msg]},
+        config=_create_config_with_runtime(),
+    )
+
+    # ToolRuntime should be injected and the tool should execute successfully
+    tool_message = result["messages"][-1]
+    assert tool_message.content == "dynamic: x=42, tool_call_id=call_dynamic_1"
+    assert tool_message.tool_call_id == "call_dynamic_1"
+
+
+async def test_tool_node_inject_runtime_dynamic_tool_via_wrap_tool_call_async() -> None:
+    """Test that ToolRuntime is injected for dynamically registered tools (async).
+
+    Async version of the regression test for
+    https://github.com/langchain-ai/langchain/issues/35305.
+    """
+
+    @dec_tool
+    def static_tool(x: int) -> str:
+        """A static tool registered at init."""
+        return f"static: {x}"
+
+    @dec_tool
+    async def dynamic_tool_with_runtime(x: int, runtime: ToolRuntime) -> str:
+        """A dynamic async tool that needs ToolRuntime injection."""
+        return f"dynamic: x={x}, tool_call_id={runtime.tool_call_id}"
+
+    async def awrap_tool_call(request, execute):
+        """Async middleware that swaps in a dynamic tool."""
+        if request.tool_call["name"] == "dynamic_tool_with_runtime":
+            new_request = request.override(tool=dynamic_tool_with_runtime)
+            return await execute(new_request)
+        return await execute(request)
+
+    # ToolNode only knows about static_tool at init time
+    tool_node = ToolNode(
+        [static_tool],
+        awrap_tool_call=awrap_tool_call,
+    )
+
+    # Verify the dynamic tool is NOT in the tool node's registered tools
+    assert "dynamic_tool_with_runtime" not in tool_node.tools_by_name
+
+    # Call the dynamic tool
+    tool_call = {
+        "name": "dynamic_tool_with_runtime",
+        "args": {"x": 42},
+        "id": "call_dynamic_2",
+        "type": "tool_call",
+    }
+    msg = AIMessage("", tool_calls=[tool_call])
+    result = await tool_node.ainvoke(
+        {"messages": [msg]},
+        config=_create_config_with_runtime(),
+    )
+
+    # ToolRuntime should be injected and the tool should execute successfully
+    tool_message = result["messages"][-1]
+    assert tool_message.content == "dynamic: x=42, tool_call_id=call_dynamic_2"
+    assert tool_message.tool_call_id == "call_dynamic_2"

libs/prebuilt/uv.lock

@@ -268,7 +268,7 @@ wheels = [
 
 [[package]]
 name = "langgraph"
-version = "1.0.8"
+version = "1.0.9"
 source = { editable = "../langgraph" }
 dependencies = [
     { name = "langchain-core" },
@@ -489,7 +489,7 @@ test = [
 
 [[package]]
 name = "langgraph-prebuilt"
-version = "1.0.7"
+version = "1.0.8"
 source = { editable = "." }
 dependencies = [
     { name = "langchain-core" },

libs/sdk-py/Makefile

@@ -1,4 +1,4 @@
-.PHONY: lint format test
+.PHONY: lint type format test
 
 test:
 	uv run pytest tests
@@ -19,6 +19,9 @@ lint lint_diff:
 	[ "$(PYTHON_FILES)" = "" ] || uv run ruff check --select I $(PYTHON_FILES)
 	uv run ty check .
 
+type:
+	uv run ty check .
+
 format format_diff:
 	uv run ruff check --select I --fix $(PYTHON_FILES)
 	uv run ruff format $(PYTHON_FILES)

libs/sdk-py/langgraph_sdk/__init__.py

@@ -3,6 +3,6 @@ from langgraph_sdk.client import get_client, get_sync_client
 from langgraph_sdk.encryption import Encryption
 from langgraph_sdk.encryption.types import EncryptionContext
 
-__version__ = "0.3.7"
+__version__ = "0.3.9"
 
 __all__ = ["Auth", "Encryption", "EncryptionContext", "get_client", "get_sync_client"]

libs/sdk-py/langgraph_sdk/_async/cron.py

@@ -2,7 +2,8 @@
 
 from __future__ import annotations
 
-from collections.abc import Mapping
+import warnings
+from collections.abc import Mapping, Sequence
 from datetime import datetime
 from typing import Any
 
@@ -14,11 +15,13 @@ from langgraph_sdk.schema import (
     Cron,
     CronSelectField,
     CronSortBy,
+    Durability,
     Input,
     OnCompletionBehavior,
     QueryParamTypes,
     Run,
     SortOrder,
+    StreamMode,
 )
 
 
@@ -60,13 +63,17 @@ class CronClient:
         metadata: Mapping[str, Any] | None = None,
         config: Config | None = None,
         context: Context | None = None,
-        checkpoint_during: bool | None = None,
+        checkpoint_during: bool | None = None,  # deprecated
         interrupt_before: All | list[str] | None = None,
         interrupt_after: All | list[str] | None = None,
         webhook: str | None = None,
         multitask_strategy: str | None = None,
         end_time: datetime | None = None,
         enabled: bool | None = None,
+        stream_mode: StreamMode | Sequence[StreamMode] | None = None,
+        stream_subgraphs: bool | None = None,
+        stream_resumable: bool | None = None,
+        durability: Durability | None = None,
         headers: Mapping[str, str] | None = None,
         params: QueryParamTypes | None = None,
     ) -> Run:
@@ -83,7 +90,7 @@ class CronClient:
             config: The configuration for the assistant.
             context: Static context to add to the assistant.
                 !!! version-added "Added in version 0.6.0"
-            checkpoint_during: Whether to checkpoint during the run (or only at the end/interruption).
+            checkpoint_during: (deprecated) Whether to checkpoint during the run (or only at the end/interruption).
             interrupt_before: Nodes to interrupt immediately before they get executed.
 
             interrupt_after: Nodes to Nodes to interrupt immediately after they get executed.
@@ -93,6 +100,13 @@ class CronClient:
                 Must be one of 'reject', 'interrupt', 'rollback', or 'enqueue'.
             end_time: The time to stop running the cron job. If not provided, the cron job will run indefinitely.
             enabled: Whether the cron job is enabled or not.
+            stream_mode: The stream mode(s) to use.
+            stream_subgraphs: Whether to stream output from subgraphs.
+            stream_resumable: Whether to persist the stream chunks in order to resume the stream later.
+            durability: Durability level for the run. Must be one of 'sync', 'async', or 'exit'.
+                "async" means checkpoints are persisted async while next graph step executes, replaces checkpoint_during=True
+                "sync" means checkpoints are persisted sync after graph step executes, replaces checkpoint_during=False
+                "exit" means checkpoints are only persisted when the run exits, does not save intermediate steps
             headers: Optional custom headers to include with the request.
             params: Optional query parameters to include with the request.
 
@@ -118,6 +132,13 @@ class CronClient:
             )
             ```
         """
+        if checkpoint_during is not None:
+            warnings.warn(
+                "`checkpoint_during` is deprecated and will be removed in a future version. Use `durability` instead.",
+                DeprecationWarning,
+                stacklevel=2,
+            )
+
         payload = {
             "schedule": schedule,
             "input": input,
@@ -131,6 +152,10 @@ class CronClient:
             "webhook": webhook,
             "end_time": end_time.isoformat() if end_time else None,
             "enabled": enabled,
+            "stream_mode": stream_mode,
+            "stream_subgraphs": stream_subgraphs,
+            "stream_resumable": stream_resumable,
+            "durability": durability,
         }
         if multitask_strategy:
             payload["multitask_strategy"] = multitask_strategy
@@ -151,7 +176,7 @@ class CronClient:
         metadata: Mapping[str, Any] | None = None,
         config: Config | None = None,
         context: Context | None = None,
-        checkpoint_during: bool | None = None,
+        checkpoint_during: bool | None = None,  # deprecated
         interrupt_before: All | list[str] | None = None,
         interrupt_after: All | list[str] | None = None,
         webhook: str | None = None,
@@ -159,6 +184,10 @@ class CronClient:
         multitask_strategy: str | None = None,
         end_time: datetime | None = None,
         enabled: bool | None = None,
+        stream_mode: StreamMode | Sequence[StreamMode] | None = None,
+        stream_subgraphs: bool | None = None,
+        stream_resumable: bool | None = None,
+        durability: Durability | None = None,
         headers: Mapping[str, str] | None = None,
         params: QueryParamTypes | None = None,
     ) -> Run:
@@ -174,7 +203,7 @@ class CronClient:
             config: The configuration for the assistant.
             context: Static context to add to the assistant.
                 !!! version-added "Added in version 0.6.0"
-            checkpoint_during: Whether to checkpoint during the run (or only at the end/interruption).
+            checkpoint_during: (deprecated) Whether to checkpoint during the run (or only at the end/interruption).
             interrupt_before: Nodes to interrupt immediately before they get executed.
             interrupt_after: Nodes to Nodes to interrupt immediately after they get executed.
             webhook: Webhook to call after LangGraph API call is done.
@@ -186,6 +215,13 @@ class CronClient:
                 Must be one of 'reject', 'interrupt', 'rollback', or 'enqueue'.
             end_time: The time to stop running the cron job. If not provided, the cron job will run indefinitely.
             enabled: Whether the cron job is enabled or not.
+            stream_mode: The stream mode(s) to use.
+            stream_subgraphs: Whether to stream output from subgraphs.
+            stream_resumable: Whether to persist the stream chunks in order to resume the stream later.
+            durability: Durability level for the run. Must be one of 'sync', 'async', or 'exit'.
+                "async" means checkpoints are persisted async while next graph step executes, replaces checkpoint_during=True
+                "sync" means checkpoints are persisted sync after graph step executes, replaces checkpoint_during=False
+                "exit" means checkpoints are only persisted when the run exits, does not save intermediate steps
             headers: Optional custom headers to include with the request.
             params: Optional query parameters to include with the request.
 
@@ -211,6 +247,13 @@ class CronClient:
             ```
 
         """
+        if checkpoint_during is not None:
+            warnings.warn(
+                "`checkpoint_during` is deprecated and will be removed in a future version. Use `durability` instead.",
+                DeprecationWarning,
+                stacklevel=2,
+            )
+
         payload = {
             "schedule": schedule,
             "input": input,
@@ -225,6 +268,10 @@ class CronClient:
             "on_run_completed": on_run_completed,
             "end_time": end_time.isoformat() if end_time else None,
             "enabled": enabled,
+            "stream_mode": stream_mode,
+            "stream_subgraphs": stream_subgraphs,
+            "stream_resumable": stream_resumable,
+            "durability": durability,
         }
         if multitask_strategy:
             payload["multitask_strategy"] = multitask_strategy
@@ -277,6 +324,10 @@ class CronClient:
         interrupt_after: All | list[str] | None = None,
         on_run_completed: OnCompletionBehavior | None = None,
         enabled: bool | None = None,
+        stream_mode: StreamMode | Sequence[StreamMode] | None = None,
+        stream_subgraphs: bool | None = None,
+        stream_resumable: bool | None = None,
+        durability: Durability | None = None,
         headers: Mapping[str, str] | None = None,
         params: QueryParamTypes | None = None,
     ) -> Cron:
@@ -299,6 +350,10 @@ class CronClient:
                 after execution. 'keep' creates a new thread for each execution but does not
                 clean them up.
             enabled: Enable or disable the cron job.
+            stream_mode: The stream mode(s) to use.
+            stream_subgraphs: Whether to stream output from subgraphs.
+            stream_resumable: Whether to persist the stream chunks in order to resume the stream later.
+            durability: Durability level for the run. Must be one of 'sync', 'async', or 'exit'.
             headers: Optional custom headers to include with the request.
             params: Optional query parameters to include with the request.
 
@@ -329,6 +384,10 @@ class CronClient:
             "interrupt_after": interrupt_after,
             "on_run_completed": on_run_completed,
             "enabled": enabled,
+            "stream_mode": stream_mode,
+            "stream_subgraphs": stream_subgraphs,
+            "stream_resumable": stream_resumable,
+            "durability": durability,
         }
         payload = {k: v for k, v in payload.items() if v is not None}
         return await self.http.patch(

libs/sdk-py/langgraph_sdk/_async/threads.py

@@ -260,6 +260,7 @@ class ThreadsClient:
         sort_by: ThreadSortBy | None = None,
         sort_order: SortOrder | None = None,
         select: list[ThreadSelectField] | None = None,
+        extract: dict[str, str] | None = None,
         headers: Mapping[str, str] | None = None,
         params: QueryParamTypes | None = None,
     ) -> list[Thread]:
@@ -275,6 +276,13 @@ class ThreadsClient:
             offset: Offset in threads table to start search from.
             sort_by: Sort by field.
             sort_order: Sort order.
+            select: List of fields to include in the response.
+            extract: Dictionary mapping aliases to JSONB paths to extract
+                from thread data. Paths use dot notation for nested keys and
+                bracket notation for array indices (e.g.,
+                `{"last_msg": "values.messages[-1]"}`). Extracted values are
+                returned in an `extracted` field on each thread. Maximum 10
+                paths per request.
             headers: Optional custom headers to include with the request.
             params: Optional query parameters to include with the request.
 
@@ -312,6 +320,8 @@ class ThreadsClient:
             payload["sort_order"] = sort_order
         if select:
             payload["select"] = select
+        if extract:
+            payload["extract"] = extract
         return await self.http.post(
             "/threads/search",
             json=payload,

libs/sdk-py/langgraph_sdk/_sync/cron.py

@@ -2,7 +2,8 @@
 
 from __future__ import annotations
 
-from collections.abc import Mapping
+import warnings
+from collections.abc import Mapping, Sequence
 from datetime import datetime
 from typing import Any
 
@@ -14,11 +15,13 @@ from langgraph_sdk.schema import (
     Cron,
     CronSelectField,
     CronSortBy,
+    Durability,
     Input,
     OnCompletionBehavior,
     QueryParamTypes,
     Run,
     SortOrder,
+    StreamMode,
 )
 
 
@@ -54,13 +57,17 @@ class SyncCronClient:
         metadata: Mapping[str, Any] | None = None,
         config: Config | None = None,
         context: Context | None = None,
-        checkpoint_during: bool | None = None,
+        checkpoint_during: bool | None = None,  # deprecated
         interrupt_before: All | list[str] | None = None,
         interrupt_after: All | list[str] | None = None,
         webhook: str | None = None,
         multitask_strategy: str | None = None,
         end_time: datetime | None = None,
         enabled: bool | None = None,
+        stream_mode: StreamMode | Sequence[StreamMode] | None = None,
+        stream_subgraphs: bool | None = None,
+        stream_resumable: bool | None = None,
+        durability: Durability | None = None,
         headers: Mapping[str, str] | None = None,
         params: QueryParamTypes | None = None,
     ) -> Run:
@@ -77,7 +84,7 @@ class SyncCronClient:
             config: The configuration for the assistant.
             context: Static context to add to the assistant.
                 !!! version-added "Added in version 0.6.0"
-            checkpoint_during: Whether to checkpoint during the run (or only at the end/interruption).
+            checkpoint_during: (deprecated) Whether to checkpoint during the run (or only at the end/interruption).
             interrupt_before: Nodes to interrupt immediately before they get executed.
             interrupt_after: Nodes to Nodes to interrupt immediately after they get executed.
             webhook: Webhook to call after LangGraph API call is done.
@@ -85,6 +92,13 @@ class SyncCronClient:
                 Must be one of 'reject', 'interrupt', 'rollback', or 'enqueue'.
             end_time: The time to stop running the cron job. If not provided, the cron job will run indefinitely.
             enabled: Whether the cron job is enabled. By default, it is considered enabled.
+            stream_mode: The stream mode(s) to use.
+            stream_subgraphs: Whether to stream output from subgraphs.
+            stream_resumable: Whether to persist the stream chunks in order to resume the stream later.
+            durability: Durability level for the run. Must be one of 'sync', 'async', or 'exit'.
+                "async" means checkpoints are persisted async while next graph step executes, replaces checkpoint_during=True
+                "sync" means checkpoints are persisted sync after graph step executes, replaces checkpoint_during=False
+                "exit" means checkpoints are only persisted when the run exits, does not save intermediate steps
             headers: Optional custom headers to include with the request.
 
         Returns:
@@ -109,6 +123,13 @@ class SyncCronClient:
             )
             ```
         """
+        if checkpoint_during is not None:
+            warnings.warn(
+                "`checkpoint_during` is deprecated and will be removed in a future version. Use `durability` instead.",
+                DeprecationWarning,
+                stacklevel=2,
+            )
+
         payload = {
             "schedule": schedule,
             "input": input,
@@ -123,6 +144,10 @@ class SyncCronClient:
             "multitask_strategy": multitask_strategy,
             "end_time": end_time.isoformat() if end_time else None,
             "enabled": enabled,
+            "stream_mode": stream_mode,
+            "stream_subgraphs": stream_subgraphs,
+            "stream_resumable": stream_resumable,
+            "durability": durability,
         }
         payload = {k: v for k, v in payload.items() if v is not None}
         return self.http.post(
@@ -141,7 +166,7 @@ class SyncCronClient:
         metadata: Mapping[str, Any] | None = None,
         config: Config | None = None,
         context: Context | None = None,
-        checkpoint_during: bool | None = None,
+        checkpoint_during: bool | None = None,  # deprecated
         interrupt_before: All | list[str] | None = None,
         interrupt_after: All | list[str] | None = None,
         webhook: str | None = None,
@@ -149,6 +174,10 @@ class SyncCronClient:
         multitask_strategy: str | None = None,
         end_time: datetime | None = None,
         enabled: bool | None = None,
+        stream_mode: StreamMode | Sequence[StreamMode] | None = None,
+        stream_subgraphs: bool | None = None,
+        stream_resumable: bool | None = None,
+        durability: Durability | None = None,
         headers: Mapping[str, str] | None = None,
         params: QueryParamTypes | None = None,
     ) -> Run:
@@ -164,7 +193,7 @@ class SyncCronClient:
             config: The configuration for the assistant.
             context: Static context to add to the assistant.
                 !!! version-added "Added in version 0.6.0"
-            checkpoint_during: Whether to checkpoint during the run (or only at the end/interruption).
+            checkpoint_during: (deprecated) Whether to checkpoint during the run (or only at the end/interruption).
             interrupt_before: Nodes to interrupt immediately before they get executed.
             interrupt_after: Nodes to Nodes to interrupt immediately after they get executed.
             webhook: Webhook to call after LangGraph API call is done.
@@ -176,6 +205,13 @@ class SyncCronClient:
                 Must be one of 'reject', 'interrupt', 'rollback', or 'enqueue'.
             end_time: The time to stop running the cron job. If not provided, the cron job will run indefinitely.
             enabled: Whether the cron job is enabled. By default, it is considered enabled.
+            stream_mode: The stream mode(s) to use.
+            stream_subgraphs: Whether to stream output from subgraphs.
+            stream_resumable: Whether to persist the stream chunks in order to resume the stream later.
+            durability: Durability level for the run. Must be one of 'sync', 'async', or 'exit'.
+                "async" means checkpoints are persisted async while next graph step executes, replaces checkpoint_during=True
+                "sync" means checkpoints are persisted sync after graph step executes, replaces checkpoint_during=False
+                "exit" means checkpoints are only persisted when the run exits, does not save intermediate steps
             headers: Optional custom headers to include with the request.
 
         Returns:
@@ -201,6 +237,13 @@ class SyncCronClient:
             ```
 
         """
+        if checkpoint_during is not None:
+            warnings.warn(
+                "`checkpoint_during` is deprecated and will be removed in a future version. Use `durability` instead.",
+                DeprecationWarning,
+                stacklevel=2,
+            )
+
         payload = {
             "schedule": schedule,
             "input": input,
@@ -216,6 +259,10 @@ class SyncCronClient:
             "multitask_strategy": multitask_strategy,
             "end_time": end_time.isoformat() if end_time else None,
             "enabled": enabled,
+            "stream_mode": stream_mode,
+            "stream_subgraphs": stream_subgraphs,
+            "stream_resumable": stream_resumable,
+            "durability": durability,
         }
         payload = {k: v for k, v in payload.items() if v is not None}
         return self.http.post(
@@ -266,6 +313,10 @@ class SyncCronClient:
         interrupt_after: All | list[str] | None = None,
         on_run_completed: OnCompletionBehavior | None = None,
         enabled: bool | None = None,
+        stream_mode: StreamMode | Sequence[StreamMode] | None = None,
+        stream_subgraphs: bool | None = None,
+        stream_resumable: bool | None = None,
+        durability: Durability | None = None,
         headers: Mapping[str, str] | None = None,
         params: QueryParamTypes | None = None,
     ) -> Cron:
@@ -288,6 +339,10 @@ class SyncCronClient:
                 after execution. 'keep' creates a new thread for each execution but does not
                 clean them up.
             enabled: Enable or disable the cron job.
+            stream_mode: The stream mode(s) to use.
+            stream_subgraphs: Whether to stream output from subgraphs.
+            stream_resumable: Whether to persist the stream chunks in order to resume the stream later.
+            durability: Durability level for the run. Must be one of 'sync', 'async', or 'exit'.
             headers: Optional custom headers to include with the request.
             params: Optional query parameters to include with the request.
 
@@ -318,6 +373,10 @@ class SyncCronClient:
             "interrupt_after": interrupt_after,
             "on_run_completed": on_run_completed,
             "enabled": enabled,
+            "stream_mode": stream_mode,
+            "stream_subgraphs": stream_subgraphs,
+            "stream_resumable": stream_resumable,
+            "durability": durability,
         }
         payload = {k: v for k, v in payload.items() if v is not None}
         return self.http.patch(

libs/sdk-py/langgraph_sdk/_sync/threads.py

@@ -255,6 +255,7 @@ class SyncThreadsClient:
         sort_by: ThreadSortBy | None = None,
         sort_order: SortOrder | None = None,
         select: list[ThreadSelectField] | None = None,
+        extract: dict[str, str] | None = None,
         headers: Mapping[str, str] | None = None,
         params: QueryParamTypes | None = None,
     ) -> list[Thread]:
@@ -268,7 +269,17 @@ class SyncThreadsClient:
                 Must be one of 'idle', 'busy', 'interrupted' or 'error'.
             limit: Limit on number of threads to return.
             offset: Offset in threads table to start search from.
+            sort_by: Sort by field.
+            sort_order: Sort order.
+            select: List of fields to include in the response.
+            extract: Dictionary mapping aliases to JSONB paths to extract
+                from thread data. Paths use dot notation for nested keys and
+                bracket notation for array indices (e.g.,
+                `{"last_msg": "values.messages[-1]"}`). Extracted values are
+                returned in an `extracted` field on each thread. Maximum 10
+                paths per request.
             headers: Optional custom headers to include with the request.
+            params: Optional query parameters to include with the request.
 
         Returns:
             List of the threads matching the search parameters.
@@ -303,6 +314,8 @@ class SyncThreadsClient:
             payload["sort_order"] = sort_order
         if select:
             payload["select"] = select
+        if extract:
+            payload["extract"] = extract
         return self.http.post(
             "/threads/search", json=payload, headers=headers, params=params
         )

libs/sdk-py/langgraph_sdk/auth/__init__.py

@@ -46,34 +46,51 @@ class Auth:
 
         my_auth = Auth()
 
-        async def verify_token(token: str) -> str:
-            # Verify token and return user_id
-            # This would typically be a call to your auth server
-            return "user_id"
-
-        @auth.authenticate
-        async def authenticate(authorization: str) -> str:
-            # Verify token and return user_id
-            result = await verify_token(authorization)
-            if result != "user_id":
+        @my_auth.authenticate
+        async def authenticate(authorization: str) -> Auth.types.MinimalUserDict:
+            user = await verify_token(authorization)  # Your token verification logic
+            if not user:
                 raise Auth.exceptions.HTTPException(
                     status_code=401, detail="Unauthorized"
                 )
-            return result
+            return {
+                "identity": user["id"],
+                "permissions": user.get("permissions", []),
+            }
 
-        # Global fallback handler
-        @auth.on
-        async def authorize_default(params: Auth.on.value):
-            return False # Reject all requests (default behavior)
+        # Default deny: reject all requests that don't have a specific handler
+        @my_auth.on
+        async def deny_all(ctx: Auth.types.AuthContext, value: Any) -> False:
+            return False
 
-        @auth.on.threads.create
-        async def authorize_thread_create(params: Auth.on.threads.create.value):
-            # Allow the allowed user to create a thread
-            assert params.get("metadata", {}).get("owner") == "allowed_user"
+        # Allow users to create threads with their own identity as owner
+        @my_auth.on.threads.create
+        async def allow_thread_create(
+            ctx: Auth.types.AuthContext, value: Auth.types.on.threads.create.value
+        ):
+            metadata = value.setdefault("metadata", {})
+            metadata["owner"] = ctx.user.identity
 
-        @auth.on.store
-        async def authorize_store(ctx: Auth.types.AuthContext, value: Auth.types.on):
-            assert ctx.user.identity in value["namespace"], "Not authorized"
+        # Allow users to read and search their own threads
+        @my_auth.on.threads.read
+        async def allow_thread_read(
+            ctx: Auth.types.AuthContext, value: Auth.types.on.threads.read.value
+        ) -> Auth.types.FilterType:
+            return {"owner": ctx.user.identity}
+
+        @my_auth.on.threads.search
+        async def allow_thread_search(
+            ctx: Auth.types.AuthContext, value: Auth.types.on.threads.search.value
+        ) -> Auth.types.FilterType:
+            return {"owner": ctx.user.identity}
+
+        # Scope all store operations to the user's namespace
+        @my_auth.on.store
+        async def scope_store(ctx: Auth.types.AuthContext, value: Auth.types.on.store.value):
+            namespace = tuple(value["namespace"]) if value.get("namespace") else ()
+            if not namespace or namespace[0] != ctx.user.identity:
+                namespace = (ctx.user.identity, *namespace)
+            value["namespace"] = namespace
         ```
 
     ???+ note "Request Processing Flow"
@@ -132,30 +149,31 @@ class Auth:
         
         ???+ example "Examples"
 
-            Global handler for all requests:
+            Start by denying all requests by default, then add specific handlers
+            to allow access:
 
             ```python
+            # Default deny: reject all unhandled requests
             @auth.on
-            async def reject_unhandled_requests(ctx: AuthContext, value: Any) -> None:
-                print(f"Request to {ctx.path} by {ctx.user.identity}")
+            async def deny_all(ctx: AuthContext, value: Any) -> False:
                 return False
             ```
 
-            Resource-specific handler. This would take precedence over the global handler
+            Resource-specific handler. This takes precedence over the global handler
             for all actions on the `threads` resource:
-            
+
             ```python
             @auth.on.threads
-            async def check_thread_access(ctx: AuthContext, value: Any) -> bool:
-                # Allow access only to threads created by the user
-                return value.get("created_by") == ctx.user.identity
+            async def allow_thread_access(ctx: AuthContext, value: Any) -> Auth.types.FilterType:
+                # Only allow access to threads owned by the user
+                return {"owner": ctx.user.identity}
             ```
 
             Resource and action specific handler:
 
             ```python
             @auth.on.threads.delete
-            async def prevent_thread_deletion(ctx: AuthContext, value: Any) -> bool:
+            async def allow_admin_thread_deletion(ctx: AuthContext, value: Any) -> bool:
                 # Only admins can delete threads
                 return "admin" in ctx.user.permissions
             ```
@@ -163,20 +181,38 @@ class Auth:
             Multiple resources or actions:
 
             ```python
-            @auth.on(resources=["threads", "runs"], actions=["create", "update"])
-            async def rate_limit_writes(ctx: AuthContext, value: Any) -> bool:
-                # Implement rate limiting for write operations
-                return await check_rate_limit(ctx.user.identity)
+            @auth.on(resources=["threads", "assistants"], actions=["read", "search"])
+            async def allow_reads(ctx: AuthContext, value: Any) -> Auth.types.FilterType:
+                # Allow read/search access to resources owned by the user
+                return {"owner": ctx.user.identity}
             ```
 
             Auth for the `store` resource is a bit different since its structure is developer defined.
-            You typically want to enforce user creds in the namespace.
+            You typically want to scope store operations by rewriting the namespace to include the user's identity.
+            The `value` dict is mutable — changes to `value["namespace"]` are used by the server for the actual operation.
 
             ```python
             @auth.on.store
-            async def check_store_access(ctx: AuthContext, value: Auth.types.on) -> bool:
-                # Assuming you structure your store like (store.aput((user_id, application_context), key, value))
-                assert value["namespace"][0] == ctx.user.identity
+            async def scope_store(ctx: AuthContext, value: Auth.types.on.store.value):
+                # Allow store access but scope to user's namespace
+                namespace = tuple(value["namespace"]) if value.get("namespace") else ()
+                if not namespace or namespace[0] != ctx.user.identity:
+                    namespace = (ctx.user.identity, *namespace)
+                value["namespace"] = namespace
+            ```
+
+            You can also register handlers for specific store actions:
+
+            ```python
+            @auth.on.store.put
+            async def allow_put(ctx: AuthContext, value: Auth.types.on.store.put.value):
+                # Allow puts, scoped to user's namespace
+                value["namespace"] = (ctx.user.identity, *value["namespace"])
+
+            @auth.on.store.get
+            async def allow_get(ctx: AuthContext, value: Auth.types.on.store.get.value):
+                # Allow gets, scoped to user's namespace
+                value["namespace"] = (ctx.user.identity, *value["namespace"])
             ```
         """
         # These are accessed by the API. Changes to their names or types is
@@ -483,9 +519,100 @@ class _CronsOn(
     Search = types.CronsSearch
 
 
+class _StoreActionOn(typing.Generic[T]):
+    """Decorator for registering a handler for a specific store action."""
+
+    def __init__(
+        self,
+        auth: Auth,
+        action: typing.Literal["put", "get", "search", "delete", "list_namespaces"],
+        value: type[T],
+    ) -> None:
+        self.auth = auth
+        self.action = action
+        self.value = value
+
+    def __call__(self, fn: _ActionHandler[T]) -> _ActionHandler[T]:
+        _validate_handler(fn)
+        _register_handler(self.auth, "store", self.action, fn)
+        return fn
+
+
 class _StoreOn:
     def __init__(self, auth: Auth) -> None:
         self._auth = auth
+        self.put = _StoreActionOn(auth, "put", types.StorePut)
+        """Register a handler for store put operations.
+
+        ???+ example "Example"
+            If using `@auth.on` to deny by default, register this handler to allow
+            put operations (scoped to the user's namespace):
+
+            ```python
+            @auth.on.store.put
+            async def allow_store_put(ctx: Auth.types.AuthContext, value: Auth.types.on.store.put.value):
+                # Allow puts, scoped to user's namespace
+                value["namespace"] = (ctx.user.identity, *value["namespace"])
+            ```
+        """
+        self.get = _StoreActionOn(auth, "get", types.StoreGet)
+        """Register a handler for store get operations.
+
+        ???+ example "Example"
+            If using `@auth.on` to deny by default, register this handler to allow
+            get operations (scoped to the user's namespace):
+
+            ```python
+            @auth.on.store.get
+            async def allow_store_get(ctx: Auth.types.AuthContext, value: Auth.types.on.store.get.value):
+                # Allow gets, scoped to user's namespace
+                value["namespace"] = (ctx.user.identity, *value["namespace"])
+            ```
+        """
+        self.search = _StoreActionOn(auth, "search", types.StoreSearch)
+        """Register a handler for store search operations.
+
+        ???+ example "Example"
+            If using `@auth.on` to deny by default, register this handler to allow
+            search operations (scoped to the user's namespace):
+
+            ```python
+            @auth.on.store.search
+            async def allow_store_search(ctx: Auth.types.AuthContext, value: Auth.types.on.store.search.value):
+                # Allow searches, scoped to user's namespace
+                value["namespace"] = (ctx.user.identity, *value["namespace"])
+            ```
+        """
+        self.delete = _StoreActionOn(auth, "delete", types.StoreDelete)
+        """Register a handler for store delete operations.
+
+        ???+ example "Example"
+            If using `@auth.on` to deny by default, register this handler to allow
+            delete operations (scoped to the user's namespace):
+
+            ```python
+            @auth.on.store.delete
+            async def allow_store_delete(ctx: Auth.types.AuthContext, value: Auth.types.on.store.delete.value):
+                # Allow deletes, scoped to user's namespace
+                value["namespace"] = (ctx.user.identity, *value["namespace"])
+            ```
+        """
+        self.list_namespaces = _StoreActionOn(
+            auth, "list_namespaces", types.StoreListNamespaces
+        )
+        """Register a handler for store list_namespaces operations.
+
+        ???+ example "Example"
+            If using `@auth.on` to deny by default, register this handler to allow
+            namespace listing (scoped to the user's prefix):
+
+            ```python
+            @auth.on.store.list_namespaces
+            async def allow_list_ns(ctx: Auth.types.AuthContext, value: Auth.types.on.store.list_namespaces.value):
+                # Allow listing, scoped to user's namespace prefix
+                value["namespace"] = (ctx.user.identity,)
+            ```
+        """
 
     @typing.overload
     def __call__(
@@ -572,40 +699,42 @@ class _On:
 
     ???+ example "Examples"
 
-        Global handler for all requests:
+        Start by denying all requests by default with a global handler,
+        then add specific handlers to allow access:
 
         ```python
+        # Default deny: reject all requests without a specific handler
         @auth.on
-        async def log_all_requests(ctx: AuthContext, value: Any) -> None:
-            print(f"Request to {ctx.path} by {ctx.user.identity}")
-            return True
+        async def deny_all(ctx: AuthContext, value: Any) -> False:
+            return False
         ```
 
-        Resource-specific handler:
+        Resource-specific handler to allow access (takes precedence
+        over the global deny handler):
 
         ```python
         @auth.on.threads
-        async def check_thread_access(ctx: AuthContext, value: Any) -> bool:
-            # Allow access only to threads created by the user
-            return value.get("created_by") == ctx.user.identity
+        async def allow_thread_access(ctx: AuthContext, value: Any) -> Auth.types.FilterType:
+            # Allow access only to threads owned by the user
+            return {"owner": ctx.user.identity}
         ```
 
         Resource and action specific handler:
 
         ```python
-        @auth.on.threads.delete
-        async def prevent_thread_deletion(ctx: AuthContext, value: Any) -> bool:
-            # Only admins can delete threads
-            return "admin" in ctx.user.permissions
+        @auth.on.threads.create
+        async def allow_thread_create(ctx: AuthContext, value: Any) -> None:
+            # Allow thread creation, stamping the owner
+            value.setdefault("metadata", {})["owner"] = ctx.user.identity
         ```
 
         Multiple resources or actions:
 
         ```python
-        @auth.on(resources=["threads", "runs"], actions=["create", "update"])
-        async def rate_limit_writes(ctx: AuthContext, value: Any) -> bool:
-            # Implement rate limiting for write operations
-            return await check_rate_limit(ctx.user.identity)
+        @auth.on(resources=["threads", "assistants"], actions=["read", "search"])
+        async def allow_reads(ctx: AuthContext, value: Any) -> Auth.types.FilterType:
+            # Allow read/search, scoped to user's resources
+            return {"owner": ctx.user.identity}
         ```
     """
 

libs/sdk-py/langgraph_sdk/auth/types.py

@@ -233,13 +233,20 @@ class StudioUser:
 
     ???+ example "Examples"
 
+        Use `@auth.on` to deny by default, but allow Studio users through:
+
         ```python
         @auth.on
-        async def allow_developers(ctx: Auth.types.AuthContext, value: Any) -> None:
+        async def deny_all_except_studio(ctx: Auth.types.AuthContext, value: Any) -> bool:
+            # Allow Studio users, deny everyone else by default
             if isinstance(ctx.user, Auth.types.StudioUser):
-                return None
-            ...
+                return True
             return False
+
+        # Then add specific handlers to allow access for non-Studio users
+        @auth.on.threads
+        async def allow_thread_access(ctx: Auth.types.AuthContext, value: Any) -> Auth.types.FilterType:
+            return {"owner": ctx.user.identity}
         ```
     """
 
@@ -402,7 +409,7 @@ class AuthContext(BaseAuthContext):
         "list_namespaces",
     ]
     """The action being performed on the resource.
-    
+
     Most resources support the following actions:
     - create: Create a new resource
     - read: Read information about a resource
@@ -411,8 +418,10 @@ class AuthContext(BaseAuthContext):
     - search: Search for resources
 
     The store supports the following actions:
-    - put: Add or update a document in the store
-    - get: Get a document from the store
+    - put: Add or update an item in the store
+    - get: Get an item from the store
+    - search: Search for items within a namespace prefix
+    - delete: Delete an item from the store
     - list_namespaces: List the namespaces in the store
     """
 
@@ -851,20 +860,34 @@ class CronsSearch(typing.TypedDict, total=False):
 
 
 class StoreGet(typing.TypedDict):
-    """Operation to retrieve a specific item by its namespace and key."""
+    """Operation to retrieve a specific item by its namespace and key.
+
+    This dict is mutable — auth handlers can modify `namespace` to enforce
+    access scoping (e.g., prepending the user's identity).
+    """
 
     namespace: tuple[str, ...]
-    """Hierarchical path that uniquely identifies the item's location."""
+    """Hierarchical path that uniquely identifies the item's location.
+
+    Auth handlers can modify this to enforce per-user scoping.
+    """
 
     key: str
     """Unique identifier for the item within its specific namespace."""
 
 
 class StoreSearch(typing.TypedDict):
-    """Operation to search for items within a specified namespace hierarchy."""
+    """Operation to search for items within a specified namespace hierarchy.
+
+    This dict is mutable — auth handlers can modify `namespace` to enforce
+    access scoping (e.g., prepending the user's identity).
+    """
 
     namespace: tuple[str, ...]
-    """Prefix filter for defining the search scope."""
+    """Prefix filter for defining the search scope.
+
+    Auth handlers can modify this to enforce per-user scoping.
+    """
 
     filter: dict[str, typing.Any] | None
     """Key-value pairs for filtering results based on exact matches or comparison operators."""
@@ -876,14 +899,22 @@ class StoreSearch(typing.TypedDict):
     """Number of matching items to skip for pagination."""
 
     query: str | None
-    """Naturalj language search query for semantic search capabilities."""
+    """Natural language search query for semantic search capabilities."""
 
 
 class StoreListNamespaces(typing.TypedDict):
-    """Operation to list and filter namespaces in the store."""
+    """Operation to list and filter namespaces in the store.
+
+    This dict is mutable — auth handlers can modify `namespace` (the prefix)
+    to enforce access scoping (e.g., prepending the user's identity).
+    """
 
     namespace: tuple[str, ...] | None
-    """Prefix filter namespaces."""
+    """Prefix filter for namespaces. Can be `None` if no prefix was provided.
+
+    Auth handlers can modify this to enforce per-user scoping. When `None`,
+    handlers should set it to `(user_id,)` to scope listing to the user's namespaces.
+    """
 
     suffix: tuple[str, ...] | None
     """Optional conditions for filtering namespaces."""
@@ -903,10 +934,17 @@ class StoreListNamespaces(typing.TypedDict):
 
 
 class StorePut(typing.TypedDict):
-    """Operation to store, update, or delete an item in the store."""
+    """Operation to store, update, or delete an item in the store.
+
+    This dict is mutable — auth handlers can modify `namespace` to enforce
+    access scoping (e.g., prepending the user's identity).
+    """
 
     namespace: tuple[str, ...]
-    """Hierarchical path that identifies the location of the item."""
+    """Hierarchical path that identifies the location of the item.
+
+    Auth handlers can modify this to enforce per-user scoping.
+    """
 
     key: str
     """Unique identifier for the item within its namespace."""
@@ -919,10 +957,17 @@ class StorePut(typing.TypedDict):
 
 
 class StoreDelete(typing.TypedDict):
-    """Operation to delete an item from the store."""
+    """Operation to delete an item from the store.
+
+    This dict is mutable — auth handlers can modify `namespace` to enforce
+    access scoping (e.g., prepending the user's identity).
+    """
 
     namespace: tuple[str, ...]
-    """Hierarchical path that uniquely identifies the item's location."""
+    """Hierarchical path that uniquely identifies the item's location.
+
+    Auth handlers can modify this to enforce per-user scoping.
+    """
 
     key: str
     """Unique identifier for the item within its specific namespace."""
@@ -935,24 +980,27 @@ class on:
     and search operations across different resources (threads, assistants, crons).
 
     ???+ note "Usage"
+        Start by denying all requests by default, then add handlers to allow access:
+
         ```python
         from langgraph_sdk import Auth
 
         auth = Auth()
 
+        # Default deny: reject all requests without a specific handler
         @auth.on
-        def handle_all(params: Auth.on.value):
-            raise Exception("Not authorized")
+        async def deny_all(ctx: Auth.types.AuthContext, value: Auth.on.value):
+            return False
 
+        # Allow thread creation, stamping the owner
         @auth.on.threads.create
-        def handle_thread_create(params: Auth.on.threads.create.value):
-            # Handle thread creation
-            pass
+        async def allow_thread_create(ctx: Auth.types.AuthContext, value: Auth.on.threads.create.value):
+            value.setdefault("metadata", {})["owner"] = ctx.user.identity
 
+        # Allow assistant search, scoped to user's resources
         @auth.on.assistants.search
-        def handle_assistant_search(params: Auth.on.assistants.search.value):
-            # Handle assistant search
-            pass
+        async def allow_assistant_search(ctx: Auth.types.AuthContext, value: Auth.on.assistants.search.value):
+            return {"owner": ctx.user.identity}
         ```
     """
 

libs/sdk-py/langgraph_sdk/schema.py

@@ -15,7 +15,7 @@ from typing import (
     Union,
 )
 
-from typing_extensions import TypedDict
+from typing_extensions import NotRequired, TypedDict
 
 Json = dict[str, Any] | None
 """Represents a JSON-like structure, which can be None or a dictionary with string keys and any values."""
@@ -304,6 +304,8 @@ class Thread(TypedDict):
     """The current state of the thread."""
     interrupts: dict[str, list[Interrupt]]
     """Mapping of task ids to interrupts that were raised in that task."""
+    extracted: NotRequired[dict[str, Any]]
+    """Extracted values from thread data. Only present when `extract` is used in search."""
 
 
 class ThreadTask(TypedDict):
@@ -424,6 +426,14 @@ class CronUpdate(TypedDict, total=False):
     """What to do with the thread after the run completes."""
     enabled: bool
     """Enable or disable the cron job."""
+    stream_mode: StreamMode | list[StreamMode]
+    """The stream mode(s) to use."""
+    stream_subgraphs: bool
+    """Whether to stream output from subgraphs."""
+    stream_resumable: bool
+    """Whether to persist the stream chunks in order to resume the stream later."""
+    durability: Durability
+    """Durability level for the run. Must be one of 'sync', 'async', or 'exit'."""
 
 
 # Select field aliases for client-side typing of `select` parameters.

libs/sdk-py/uv.lock

@@ -265,7 +265,7 @@ wheels = [
 
 [[package]]
 name = "langgraph"
-version = "1.0.8"
+version = "1.0.9"
 source = { editable = "../langgraph" }
 dependencies = [
     { name = "langchain-core" },
@@ -396,7 +396,7 @@ test = [
 
 [[package]]
 name = "langgraph-prebuilt"
-version = "1.0.7"
+version = "1.0.8"
 source = { editable = "../prebuilt" }
 dependencies = [
     { name = "langchain-core" },