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fix(packaging): add postgres extra for store/checkpointer supportFix postgres extra install guidance (#2584)

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* Fix postgres extra install guidance

* Fix postgres install message lint

* Format postgres install messages

* Fix postgres install guidance and config docs
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KiteEater
2026-05-09 09:49:08 +08:00
committed by GitHub
parent 41b04a556f
commit 7caf03e97c
6 changed files with 59 additions and 15 deletions
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backend/packages/harness/deerflow/config/checkpointer_config.py
+3 -2
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@@ -14,12 +14,13 @@ class CheckpointerConfig(BaseModel):
description="Checkpointer backend type. "
"'memory' is in-process only (lost on restart). "
"'sqlite' persists to a local file (requires langgraph-checkpoint-sqlite). "
"'postgres' persists to PostgreSQL (requires langgraph-checkpoint-postgres)."
"'postgres' persists to PostgreSQL (install with deerflow-harness[postgres])."
)
connection_string: str | None = Field(
default=None,
description="Connection string for sqlite (file path) or postgres (DSN). "
"Required for sqlite and postgres types. "
"Optional for sqlite and defaults to 'store.db' when omitted. "
"Required for postgres. "
"For sqlite, use a file path like '.deer-flow/checkpoints.db' or ':memory:' for in-memory. "
"For postgres, use a DSN like 'postgresql://user:pass@localhost:5432/db'.",
)