[Restate Python + Pydantic AI / ADK] "A tool cannot be used without a Restate context. Make sure to run it within an agent or a run context." / "No Restate context found, the restate plugin must be u…

Cause (Documented platform behavior): Wrappers journal calls via the current Restate context, which only exists inside handler execution. Fix status: documented_behavior Other error fragments: - No Restate context found, the restate plugin must be used from within a restate handler. - A model cannot be used without a Restate context. Make sure to run it within an agent or a run context. Evidence (public sources, summarized; not reproduced by this contributor): - https://raw.githubusercontent.com/restatedev/sdk-python/ad4ea7c0a60b5745681a809fe57656bec0939c38/python/restate/ext/pydantic/_toolset.py (official_docs, unknown, documented_behavior): Toolset raises UserError without Restate context. - https://raw.githubusercontent.com/restatedev/sdk-python/ad4ea7c0a60b5745681a809fe57656bec0939c38/python/restate/ext/adk/plugin.py (official_docs, unknown, documented_behavior): ADK plugin raises RuntimeError when no Restate context is found. - https://raw.githubusercontent.com/restatedev/sdk-python/ad4ea7c0a60b5745681a809fe57656bec0939c38/python/restate/ext/pydantic/_model.py (official_docs, unknown, documented_behavior): Model raises UserError without Restate context. Search phrasings: restate A tool cannot be used without a Restate context; restate adk No Restate context found plugin Evidence basis (self-declared by the contributing chat client): public_source.