feat: add auto update support

src/config/definitions/defaults-core.ts

@@ -14,6 +14,7 @@ export const CORE_DEFAULT_CONFIG: Pick<
   | 'youtube'
   | 'subsync'
   | 'startupWarmups'
+  | 'updates'
   | 'auto_start_overlay'
 > = {
   subtitlePosition: { yPercent: 10 },
@@ -116,5 +117,11 @@ export const CORE_DEFAULT_CONFIG: Pick<
     subtitleDictionaries: true,
     jellyfinRemoteSession: true,
   },
+  updates: {
+    enabled: true,
+    checkIntervalHours: 24,
+    notificationType: 'system',
+    channel: 'stable',
+  },
   auto_start_overlay: false,
 };

src/config/definitions/domain-registry.test.ts

@@ -22,6 +22,7 @@ test('config option registry includes critical paths and has unique entries', ()
     'controller.enabled',
     'controller.scrollPixelsPerSecond',
     'startupWarmups.lowPowerMode',
+    'updates.channel',
     'youtube.primarySubLanguages',
     'subtitleStyle.enableJlpt',
     'subtitleStyle.autoPauseVideoOnYomitanPopup',

src/config/definitions/options-core.ts

@@ -383,6 +383,32 @@ export function buildCoreConfigOptionRegistry(
       defaultValue: defaultConfig.startupWarmups.jellyfinRemoteSession,
       description: 'Warm up Jellyfin remote session at startup.',
     },
+    {
+      path: 'updates.enabled',
+      kind: 'boolean',
+      defaultValue: defaultConfig.updates.enabled,
+      description: 'Run automatic update checks in the background.',
+    },
+    {
+      path: 'updates.checkIntervalHours',
+      kind: 'number',
+      defaultValue: defaultConfig.updates.checkIntervalHours,
+      description: 'Minimum hours between automatic update checks.',
+    },
+    {
+      path: 'updates.notificationType',
+      kind: 'enum',
+      enumValues: ['system', 'osd', 'both', 'none'],
+      defaultValue: defaultConfig.updates.notificationType,
+      description: 'How SubMiner announces available updates.',
+    },
+    {
+      path: 'updates.channel',
+      kind: 'enum',
+      enumValues: ['stable', 'prerelease'],
+      defaultValue: defaultConfig.updates.channel,
+      description: 'Release channel used for update checks.',
+    },
     {
       path: 'shortcuts.multiCopyTimeoutMs',
       kind: 'number',

src/config/definitions/template-sections.ts

@@ -53,6 +53,14 @@ const CORE_TEMPLATE_SECTIONS: ConfigTemplateSection[] = [
     ],
     key: 'startupWarmups',
   },
+  {
+    title: 'Updates',
+    description: [
+      'Automatic update check behavior.',
+      'Manual checks from the tray or launcher are always allowed.',
+    ],
+    key: 'updates',
+  },
   {
     title: 'Keyboard Shortcuts',
     description: ['Overlay keyboard shortcuts. Set a shortcut to null to disable.'],