- Add async Redis client using redis-py with connection pooling
- Implement get/set/delete with graceful degradation when unavailable
- Add TTL support (default 300s) via SETEX
- Add cache invalidation hooks for price and product changes
- Use pattern-based SCAN for bulk invalidation
Co-Authored-By: Paperclip <noreply@paperclip.ing>
- 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>
Paperclip