gilesb a0a4c08b9a Use Redis for cache indexes - enables multi-worker scaling ...

The cache_manager now uses Redis hashes for the content_index and
ipfs_cids mappings. This allows multiple uvicorn workers to share
state, so files added by one worker are immediately visible to all
others.

- Added redis_client parameter to L1CacheManager
- Index lookups check Redis first, then fall back to in-memory
- Index updates go to both Redis and JSON file (backup)
- Migrates existing JSON indexes to Redis on first load
- Re-enabled workers=4 in uvicorn

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

2026-01-09 04:19:00 +00:00

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