langgraph

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Sydney RunkleandClaude Sonnet 4.6 af9ef2a1f9 feat(benchmark): add Postgres to snapshot_frequency benchmark

Restores Postgres checkpointer support to both benchmark sections.
Uses local Postgres at port 5441. Each run gets a fresh table slice
via DELETE before and after to avoid cross-contamination.

Key Postgres results at 500 turns:
  freq=1   → 8.3ms reads  (full snapshot every write)
  freq=5   → 4.8ms reads  (bounded replay, fewer large blobs to fetch)
  freq=10  → 5.3ms reads
  freq=50  → 6.7ms reads
  freq=inf → 123.7ms reads (full ancestry walk)

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

2026-04-27 19:46:37 -04:00

checkpoint

refactor(delta-channel): honest data model, private experimental API

2026-04-23 14:15:02 -04:00

checkpoint-conformance

chore(deps): bump langsmith from 0.7.3 to 0.7.31 in /libs/checkpoint-conformance (#7523 )

2026-04-15 19:36:27 -07:00

checkpoint-postgres

fix: rename channels._delta → channels.delta throughout

2026-04-27 18:34:32 -04:00

checkpoint-sqlite

chore(deps): bump langsmith from 0.6.4 to 0.7.31 in /libs/checkpoint-sqlite (#7524 )