feat(docker): add matrix-stt-bot to Mac Mini deployment

- Add STT bot container config on port 4021
- Uses mana-stt service via host.docker.internal:3026

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docker-compose.macmini.yml

@@ -1014,6 +1014,39 @@ services:
       retries: 3
       start_period: 40s
 
+  matrix-stt-bot:
+    build:
+      context: .
+      dockerfile: services/matrix-stt-bot/Dockerfile
+    image: matrix-stt-bot:local
+    platform: linux/amd64
+    container_name: mana-matrix-bot-stt
+    restart: always
+    depends_on:
+      synapse:
+        condition: service_healthy
+    environment:
+      NODE_ENV: production
+      PORT: 4021
+      TZ: Europe/Berlin
+      MATRIX_HOMESERVER_URL: http://synapse:8008
+      MATRIX_ACCESS_TOKEN: ${MATRIX_STT_BOT_TOKEN}
+      MATRIX_ALLOWED_ROOMS: ${MATRIX_STT_BOT_ROOMS:-}
+      STT_URL: http://host.docker.internal:3026
+      STT_API_KEY: ${STT_INTERNAL_API_KEY:-}
+      DEFAULT_LANGUAGE: de
+      DEFAULT_MODEL: whisper
+    volumes:
+      - matrix_bots_data:/app/data
+    ports:
+      - "4021:4021"
+    healthcheck:
+      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://127.0.0.1:4021/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 40s
+
   matrix-onboarding-bot:
     build:
       context: .