feat: ESP32-S3-BOX-3 room satellite — ESPHome config, OTA deploy, placeholder faces

Living room unit fully working: on-device wake word (hey_jarvis), voice pipeline
via HA (Wyoming STT → OpenClaw → Wyoming TTS), static PNG display states, OTA
updates. Includes deploy.sh for quick OTA with custom image support.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

TODO.md

@@ -108,17 +108,19 @@
 
 ### P6 · homeai-esp32
 
-- [ ] Install ESPHome: `pip install esphome`
-- [ ] Write `esphome/secrets.yaml` (gitignored)
-- [ ] Write `base.yaml`, `voice.yaml`, `display.yaml`, `animations.yaml`
-- [ ] Write `s3-box-living-room.yaml` for first unit
-- [ ] Flash first unit via USB
-- [ ] Verify unit appears in HA device list
-- [ ] Assign Wyoming voice pipeline to unit in HA
-- [ ] Test full wake → STT → LLM → TTS → audio playback cycle
-- [ ] Test LVGL face: idle → listening → thinking → speaking → error
-- [ ] Verify OTA firmware update works wirelessly
-- [ ] Flash remaining units (bedroom, kitchen, etc.)
+- [x] Install ESPHome in `~/homeai-esphome-env` (Python 3.12 venv)
+- [x] Write `esphome/secrets.yaml` (gitignored)
+- [x] Write `homeai-living-room.yaml` (based on official S3-BOX-3 reference config)
+- [x] Generate placeholder face illustrations (7 PNGs, 320×240)
+- [x] Write `setup.sh` with flash/ota/logs/validate commands
+- [x] Write `deploy.sh` with OTA deploy, image management, multi-unit support
+- [x] Flash first unit via USB (living room)
+- [x] Verify unit appears in HA device list (requires HA 2026.x for ESPHome 2025.12+ compat)
+- [x] Assign Wyoming voice pipeline to unit in HA
+- [x] Test full wake → STT → LLM → TTS → audio playback cycle
+- [x] Test display states: idle → listening → thinking → replying → error
+- [x] Verify OTA firmware update works wirelessly (`deploy.sh --device OTA`)
+- [ ] Flash remaining units (bedroom, kitchen)
 - [ ] Document MAC address → room name mapping
 
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