Add Navidrome and SUB/WAVE AI radio station

Navidrome indexes the existing music library on nas_media for Subsonic
access. SUB/WAVE (byo-proxy variant, LAN-only) provides the Icecast
broadcast, Liquidsoap crossfade/ducking, and AI DJ controller, reusing
the existing Ollama instance over npm-network for the LLM and Piper
for TTS.

navidrome/docker-compose.yaml

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+services:
+  navidrome:
+    image: deluan/navidrome:latest
+    container_name: navidrome
+    restart: unless-stopped
+    environment:
+      - ND_MUSICFOLDER=/media/music
+      - ND_LOGLEVEL=info
+      - ND_PORT=4533
+      - TZ=America/New_York
+    ports:
+      - 4533:4533
+    volumes:
+      - /srv/navidrome/data:/data
+      - nas_media:/media:ro
+    networks:
+      - npm-network
+
+volumes:
+  nas_media:
+    external: true
+
+networks:
+  npm-network:
+    external: true

subwave/docker-compose.yaml

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+# SUB/WAVE — self-hosted AI radio station.
+# Deployed as the "byo-proxy" variant (no bundled Caddy): web/controller/
+# broadcast bind host ports directly since this station is LAN-only for now.
+# Upstream project: https://github.com/perminder-klair/subwave
+#
+# Values are hardcoded rather than relying on ${VAR} compose substitution,
+# since Portainer git-linked stacks don't read this repo's local .env for
+# that purpose (see deployment-procedures.md). ADMIN_USER/ADMIN_PASS still
+# come from a real (gitignored) ./.env file next to this compose file, read
+# directly by Docker's env_file mechanism.
+
+x-logging: &default-logging
+  driver: json-file
+  options:
+    max-size: "10m"
+    max-file: "3"
+
+services:
+  # -------------------------------------------------------------------------
+  # BROADCAST — icecast2 + liquidsoap in one container
+  # -------------------------------------------------------------------------
+  broadcast:
+    image: ghcr.io/perminder-klair/subwave-broadcast:latest
+    container_name: sub-wave-broadcast
+    restart: unless-stopped
+    logging: *default-logging
+    environment:
+      - TZ=America/New_York
+    ports:
+      - 7702:7702
+    volumes:
+      - /srv/subwave/state:/var/sub-wave
+      - /srv/subwave/logs:/var/log/liquidsoap
+    healthcheck:
+      test: ["CMD-SHELL", "curl -fsS http://localhost:7702/status-json.xsl > /dev/null"]
+      interval: 5s
+      timeout: 3s
+      retries: 12
+      start_period: 15s
+    networks:
+      - npm-network
+
+  # -------------------------------------------------------------------------
+  # CONTROLLER — AI DJ brain + admin API
+  # -------------------------------------------------------------------------
+  controller:
+    image: ghcr.io/perminder-klair/subwave-controller:latest
+    container_name: sub-wave-controller
+    restart: unless-stopped
+    logging: *default-logging
+    depends_on:
+      broadcast:
+        condition: service_healthy
+      docker-socket-proxy:
+        condition: service_started
+    environment:
+      - NODE_ENV=production
+      - TZ=America/New_York
+      - STATE_DIR=/var/sub-wave
+      - SOUNDS_DIR=/sounds
+      - ANALYZE_URL=http://analyzer:8080
+      - DOCKER_HOST=tcp://docker-socket-proxy:2375
+    env_file:
+      - ./.env
+    ports:
+      - 7701:7701
+    volumes:
+      - /srv/subwave/state:/var/sub-wave
+    healthcheck:
+      test: ["CMD-SHELL", "curl -fsS http://localhost:7701/health > /dev/null"]
+      interval: 10s
+      timeout: 5s
+      retries: 6
+      start_period: 20s
+    networks:
+      - npm-network
+
+  # -------------------------------------------------------------------------
+  # DOCKER-SOCKET-PROXY — locked-down, read-only Docker API for the admin
+  # Stats panel. Remove this + the controller's DOCKER_HOST/depends_on entry
+  # for zero Docker-socket exposure.
+  # -------------------------------------------------------------------------
+  docker-socket-proxy:
+    image: ghcr.io/tecnativa/docker-socket-proxy:0.3.0
+    container_name: sub-wave-docker-proxy
+    restart: unless-stopped
+    logging: *default-logging
+    environment:
+      - CONTAINERS=1
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock:ro
+    networks:
+      - npm-network
+
+  # -------------------------------------------------------------------------
+  # WEB — Next.js listener UI + admin console
+  # -------------------------------------------------------------------------
+  web:
+    image: ghcr.io/perminder-klair/subwave-web:latest
+    container_name: sub-wave-web
+    restart: unless-stopped
+    logging: *default-logging
+    depends_on:
+      controller:
+        condition: service_healthy
+    environment:
+      - NODE_ENV=production
+      - SUBWAVE_HOMEPAGE=player
+      - CONTROLLER_INTERNAL_URL=http://controller:7701
+    env_file:
+      - ./.env
+    ports:
+      - 7700:7700
+    networks:
+      - npm-network
+
+  # -------------------------------------------------------------------------
+  # ANALYZER — lean acoustic-analysis sidecar (bpm/key/loudness/outro
+  # detection for ending-aware crossfades). No GPU needed.
+  # -------------------------------------------------------------------------
+  analyzer:
+    image: ghcr.io/perminder-klair/subwave-analyzer:latest
+    container_name: sub-wave-analyzer
+    restart: unless-stopped
+    logging: *default-logging
+    mem_limit: 6g
+    volumes:
+      - /srv/subwave/state:/var/sub-wave
+      - analyzer-cache:/opt/analyzer/hf-cache
+    networks:
+      - npm-network
+
+volumes:
+  analyzer-cache:
+
+networks:
+  npm-network:
+    external: true