- Replace all CLAWDBOT_* env vars with MOLTBOT_*
- Replace all .clawdbot paths with .moltbot
- Update daemon labels to bot.molt.*
- Update plugin SDK imports to moltbot/plugin-sdk
- Remove clawdbot bin alias from package.json
- Preserve legacy compatibility in compat/legacy-names.ts
Add Mattermost as a supported messaging channel with bot API and WebSocket integration. Includes channel state tracking (tint, summary, details), multi-account support, and delivery target routing. Update documentation and tests to include Mattermost alongside existing channels.