直播更改日志

Entities and repositories moved to **************** in the shared library. All imports updated to reference shared lib.

MEMBER OF is not supported by Hibernate for @JdbcTypeCode(ARRAY) fields. Switch to native SQL with ANY() for folder_ids array lookup.

- Add Apache Commons Pool2 keyed connection pool for IMAP Store reuse (3/account, 500 total, 10min idle eviction) - Migrate EmailImapService from ConcurrentHash...

Plans 1-3: metadata schema, JPA entities, repositories, conversation threading, label CRUD, filter rule engine with async retroactive apply, smart folder criter...

The Next.js app stores OTK and *** values as plain strings in Redis. The default RedisTemplate uses JSON serializer which fails to parse them.