- Redesign HA list as 4-column table: icon | device name | state | control
- Filter out unavailable/unknown entities; they reappear automatically on next cache refresh
- Replace cluttered flex row with proper grid table — toggle no longer hidden
- Remove ASK button from rows (was eating width and hiding toggle)
- Scene rows get a ▶ RUN button instead of a toggle
- Domain shown as icon column only (no entity_id displayed)
- 4-tier chat: HA control → Ollama → Groq → Claude
- Push-based agent system with heartbeat/metrics
- Network monitoring, alerts, Proxmox, Home Assistant
- Windows + Linux agent installers
- Stats cache cron, facts collector, KB engine