3.18.0 (2026-11-05) Features logging: persist rotating logs and unify auth logging (c1e8aeb) Bug Fixes clarify Google Books server outage messages (1a27305) Code Refactoring mcp: centralize strict schemas & simplify dynamic list instructions (3716a93) mcp: consolidate live access checks into one query (6f3e683) mcp: extract query limits into shared module (12d8c18) mcp: refactor folders (2334c0f)