Franz Kafka b57a041b6a perf: use Redis for favicon cache with 24h TTL ... Favicons are now cached in Valkey/Redis instead of an in-memory map: - TTL: 24 hours (up from 1 hour in-memory) - ETag derived from body SHA256 (no extra storage needed) - Falls back to in-memory on cache miss when Valkey is unavailable - GetBytes/SetBytes added to cache package for raw byte storage In-memory faviconCache map, sync.RWMutex, and time-based expiry logic removed from handlers.go.		2026-03-23 14:38:32 +00:00
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main.go	perf: use Redis for favicon cache with 24h TTL	2026-03-23 14:38:32 +00:00