Setup GBrain Set up GBrain from scratch. Target: working brain in under 5 minutes. Contract - Setup completes with a working brain verified by (all checks OK). - The brain-first lookup protocol is injected into the project's AGENTS.md or equivalent. - Live sync is configured and verified (a test change pushed and found via search). - Schema state is tracked in so future upgrades know what the user adopted or declined. - No Supabase anon key is requested; GBrain uses only the database connection string. Install (if not already installed) How GBrain connects GBrain connects directly to Postgres…