v5.8.8: fix thinking leak, anti-manipulation compliance, hallucination of server data

v5.8.6: fix greeting spam on restart - 30min grace, channel verification, file fallback

v5.8.5c: Add node-llama-cpp for real local AI fallback, remove no-op shim

v5.8.5: Gemma 4, MC Wiki, MC Player, anti-hallucination, CPU optimizations