Function context_propagation

src/google/adk/cli/fast_api.py:831–840

(
        request: Request, call_next: Callable[[Request], Awaitable[Any]]
    )

    @app.middleware("http")
    async def context_propagation(
        request: Request, call_next: Callable[[Request], Awaitable[Any]]
    ) -> Any:
      ctx = get_propagated_context(request)
      token = context.attach(ctx)
      try:
        response = await call_next(request)
        return response
      finally:
        context.detach(token)

    @app.post(
        "/api/reasoning_engine",