♻️ Run `Durable` Agents

[echarles]

Issue

• https://pydanticlogfire.slack.com/archives/C083V7PMHHA/p1762550114970449

I understand why we can’t add new tools / toolsets / model providers
to durable executions in temporal but I think it would stand to reason
that we could provide different model names within a provider and 
dynamically set which tools we want to use?

Docs

• https://ai.pydantic.dev/durable_execution/overview

Streaming Limits

• https://anyio.readthedocs.io/en/stable/streams.html#memory-object-streams
• https://ai.pydantic.dev/agents/#streaming-all-events-and-output
• https://ai.pydantic.dev/toolsets/#filtering-tools