AI: streaming-safe middleware, agent-driven Runner, ModelBuilder tool binding#139

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task/langgraph-agent-harness

Commits on Jun 24, 2026

test(agents): use unittest assertions in example feature tests
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Merge pull request #141 from fastapi-startkit/task/agents-unittest-assertions
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Commits on Jun 25, 2026

refactor(ai): single fake() classmethod, Runner returns tool output, Lab default fallback

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test(ai): convert ai test suite to unittest TestCase classes

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chore: ignore node_modules

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style(ai): drop explanatory comments from source

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refactor(ai): merge AIConfig via config store, drop unused _memory_backend

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chore(ai): default gemini model to gemini-2.5-flash-lite

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refactor(ai): make Agent.prompt() and stream() async

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chore(ai): slim the [ai] extra to langchain + langchain-core

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fix(ai): stream through middleware, agent-driven Runner, bind tools in ModelBuilder

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test(ai): cover middleware pipeline deferred-response after-hooks
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