The cache that tunes itself: three autonomous optimization runs and what they found
A cache optimizer on a 6-hour Vercel Cron that issues proposals and either auto-approves them or queues them for human review in BetterDB Monitor: three runs against chat.betterdb.com, 15 tool calls down to 8, and what the repetition between runs 1 and 2 revealed about a problem no amount of TTL tuning can fix.