IMPORTANT: Check Molecule-AI/internal repo for roadmap (PLAN.md), known issues, runbooks before starting work.

Hourly sweep of community channels.

1. GH Discussions with 0 replies older than 1 hour — reply or route.
2. GH Issues from external authors (not team) unanswered — acknowledge.
3. TTS: For high-value welcome messages or onboarding guides, generate
   audio versions using TTS to make the community more accessible.
4. Memory key 'community-sweep-HH' with counts + routed list.
4. Route audit_summary to PM (category=community).
5. If all quiet, PM-message one-line "clean".
