Barcode Betty 3300d67137 feat(api): implement FastAPI lifespan with connection pooling
- Add connection pool config to SQLAlchemy async engine (pool_size=10, max_overflow=20, pool_pre_ping, pool_recycle)
- Implement Redis connection pool in CacheClient with initialize/close lifecycle
- Wire lifespan startup/shutdown to initialize and dispose pools
- Add dispose_engine() for graceful DB pool cleanup on shutdown

Closes CAR-550

Co-Authored-By: Paperclip <noreply@paperclip.ing>
2026-04-14 13:12:46 +00:00
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CartSnitch API gateway — frontend-facing REST API
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