Updates bot.js to make Supabase integration optional, adds Sentinel security listeners, and modifies several commands to handle missing Supabase configurations gracefully. Also updates package.json and replit.md for new dependencies and features.
Replit-Commit-Author: Agent
Replit-Commit-Session-Id: aed2e46d-25bb-4b73-81a1-bb9e8437c261
Replit-Commit-Checkpoint-Type: intermediate_checkpoint
Replit-Commit-Event-Id: 0d645005-4840-49ef-9446-2c62d2bb7eed
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/3bdfff67-975a-46ad-9845-fbb6b4a4c4b5/aed2e46d-25bb-4b73-81a1-bb9e8437c261/Wmps8l5
Replit-Helium-Checkpoint-Created: true
