- Add settings.ts module for settings-store subscription
- Monitor subscribes to moltbot/tlon settings bucket
- groupChannels, dmAllowlist, channelRules hot-reload without restart
- Settings store values override file config when present
- Graceful fallback if settings store not available
- Switch from per-channel subscriptions to firehose (/v2 channels, /v3 chat)
- Parse sect field for @all mentions
- Add @all as trigger for bot responses (like direct mention)
- Fetch bot nickname from contacts on startup (/contacts/v1/self.json)
- Subscribe to contacts updates (/v1/news) for live nickname changes
- Improve rich text parsing (inline-code, bold, italic, strike, blockquote)
