- miniredis v2.40.0 as a test-only dependency (approved at the Task 4 check)
- memory and Redis cache suites, Flush limited to <prefix>cache:
- one parity table through surf.MemoryStore, miniredis and real Redis
- Install, FromApp and site_cache validation; Postgres after-commit purge
- gate: cooler names in the go and docker stages
- cooler.SiteCachePurger moved from the Journal plugin: loopback-only http,
32-character token, 2 s detached request, no token in logs or errors
- NewSiteCachePurgerFor names caller keys (for plugin alias keys)
- PurgeSiteCacheAfterCommit through lagoon.AfterCommit, one POST per save
- SiteCacheFromApp for hooks outside serve; Install publishes the purger
unless a plugin already did, and fails boot on an invalid config
- caching docs section, cooler README, configuration row
