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- Add @lru_cache to repository and service factories for singleton behavior - Initialize AgentsUseCase on app.state during startup to bypass DI - Pre-compute authorized resources in auth middleware instead of per-route - Update list_agents route to use cached services from request/app state Performance improvement: ~93% throughput increase (304 → 587 req/s) Latency reduction: ~45% (33ms → 18ms avg)
- Clear cached repository factories before each test - Clear cached temporal adapter and agents use case - Initialize app.state in test fixture for list_agents route - Use is_enabled() method call for testability in middleware
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Summary
@lru_cacheto repository and service factories for singleton behaviorAgentsUseCaseonapp.stateduring startup to bypass FastAPI DIlist_agentsroute to use cached services fromrequest.stateandapp.statePerformance Results
Profiling Breakdown
FastAPI DI overhead reduced from 31% to 2.5% of request time.
Test Plan
make test-unit)