feat: add Navidrome music server as installable service

- Add NAVIDROME to SERVICE_NAMES constant
- Add service seeder entry with Docker config:
  - Image: deluan/navidrome:0.55.2
  - Port: 4533
  - Volumes: data + music (read-only)
  - Telemetry disabled (ND_ENABLEINSIGHTSCOLLECTOR=false)
  - Auto-scan every hour
- Add Navidrome to Easy Setup wizard (Additional Tools)
- No dependencies, no new migrations needed
- Subsonic API compatible for mobile app streaming

admin/constants/service_names.ts

@@ -5,4 +5,5 @@ export const SERVICE_NAMES = {
   CYBERCHEF: 'nomad_cyberchef',
   FLATNOTES: 'nomad_flatnotes',
   KOLIBRI: 'nomad_kolibri',
+  NAVIDROME: 'nomad_navidrome',
 }

admin/database/seeders/service_seeder.ts

@@ -159,6 +159,38 @@ export default class ServiceSeeder extends BaseSeeder {
       is_dependency_service: false,
       depends_on: null,
     },
+    {
+      service_name: SERVICE_NAMES.NAVIDROME,
+      friendly_name: 'Music Server',
+      powered_by: 'Navidrome',
+      display_order: 4,
+      description:
+        'Stream your personal music library offline — supports Subsonic-compatible apps',
+      icon: 'IconMusic',
+      container_image: 'deluan/navidrome:0.60.3',
+      source_repo: 'https://github.com/navidrome/navidrome',
+      container_command: null,
+      container_config: JSON.stringify({
+        HostConfig: {
+          RestartPolicy: { Name: 'unless-stopped' },
+          PortBindings: { '4533/tcp': [{ HostPort: '4533' }] },
+          Binds: [
+            `${ServiceSeeder.NOMAD_STORAGE_ABS_PATH}/navidrome/data:/data`,
+            `${ServiceSeeder.NOMAD_STORAGE_ABS_PATH}/navidrome/music:/music:ro`,
+          ],
+        },
+        ExposedPorts: { '4533/tcp': {} },
+        Env: [
+          'ND_ENABLEINSIGHTSCOLLECTOR=false',
+          'ND_SCANNER_SCHEDULE=@every 1h',
+        ],
+      }),
+      ui_location: '4533',
+      installed: false,
+      installation_status: 'idle',
+      is_dependency_service: false,
+      depends_on: null,
+    },
   ]
 
   async run() {

admin/inertia/pages/easy-setup/index.tsx

@@ -103,6 +103,19 @@ const ADDITIONAL_TOOLS: Capability[] = [
     services: [SERVICE_NAMES.CYBERCHEF],
     icon: 'IconChefHat',
   },
+  {
+    id: 'music',
+    name: 'Music Server',
+    technicalName: 'Navidrome',
+    description: 'Stream your personal music library offline — supports Subsonic-compatible apps',
+    features: [
+      'Web-based music player',
+      'Subsonic API for mobile apps',
+      'No internet required after setup',
+    ],
+    services: [SERVICE_NAMES.NAVIDROME],
+    icon: 'IconMusic',
+  },
 ]
 
 type WizardStep = 1 | 2 | 3 | 4