refactor: make subsync manual-only, default opt-in features off, preserv

- Remove subsync.defaultMode; subsync always opens manual picker
- Default jellyfinRemoteSession warmup and nameMatchEnabled to false
- Stop rewriting config file during legacy migration (resolve in-memory only)
- Fix macOS quit on window-close for --setup launch mode

src/config/config.test.ts

@@ -89,7 +89,7 @@ test('loads defaults when config is missing', () => {
   assert.equal(config.startupWarmups.mecab, true);
   assert.equal(config.startupWarmups.yomitanExtension, true);
   assert.equal(config.startupWarmups.subtitleDictionaries, true);
-  assert.equal(config.startupWarmups.jellyfinRemoteSession, true);
+  assert.equal(config.startupWarmups.jellyfinRemoteSession, false);
   assert.equal(config.shortcuts.markAudioCard, 'CommandOrControl+Shift+A');
   assert.equal(config.shortcuts.openCharacterDictionary, 'CommandOrControl+Alt+A');
   assert.equal(config.shortcuts.toggleSubtitleSidebar, 'Backslash');
@@ -222,12 +222,10 @@ test('throws actionable startup parse error for malformed config at construction
   );
 });
 
-test('migrates legacy subtitle appearance options into css declaration objects on load', () => {
+test('resolves legacy subtitle appearance options without rewriting config on load', () => {
   const dir = makeTempDir();
   const configPath = path.join(dir, 'config.jsonc');
-  fs.writeFileSync(
-    configPath,
-    `{
+  const originalContent = `{
       "subtitleStyle": {
         "fontSize": 42,
         "fontColor": "#ffffff",
@@ -251,63 +249,29 @@ test('migrates legacy subtitle appearance options into css declaration objects o
           "font-size": "19px"
         }
       }
-    }`,
-    'utf-8',
-  );
+    }`;
+  fs.writeFileSync(configPath, originalContent, 'utf-8');
 
   const service = new ConfigService(dir);
-  const parsed = parseConfigContent(configPath, fs.readFileSync(configPath, 'utf-8')) as {
-    subtitleStyle: {
-      fontSize?: unknown;
-      fontColor?: unknown;
-      hoverTokenColor?: unknown;
-      hoverTokenBackgroundColor?: unknown;
-      css?: Record<string, string>;
-      secondary?: {
-        fontSize?: unknown;
-        fontColor?: unknown;
-        css?: Record<string, string>;
-      };
-    };
-    subtitleSidebar: {
-      fontFamily?: unknown;
-      fontSize?: unknown;
-      textColor?: unknown;
-      timestampColor?: unknown;
-      css?: Record<string, string>;
-    };
-  };
+  assert.equal(fs.readFileSync(configPath, 'utf-8'), originalContent);
 
-  assert.deepEqual(parsed.subtitleStyle.css, {
+  assert.deepEqual(service.getConfig().subtitleStyle.css, {
     color: '#ffffff',
     'font-size': '44px',
     '--subtitle-hover-token-color': '#abcdef',
     '--subtitle-hover-token-background-color': 'transparent',
     'text-wrap': 'balance',
   });
-  assert.equal(Object.hasOwn(parsed.subtitleStyle, 'fontSize'), false);
-  assert.equal(Object.hasOwn(parsed.subtitleStyle, 'fontColor'), false);
-  assert.equal(Object.hasOwn(parsed.subtitleStyle, 'hoverTokenColor'), false);
-  assert.equal(Object.hasOwn(parsed.subtitleStyle, 'hoverTokenBackgroundColor'), false);
-  assert.deepEqual(parsed.subtitleStyle.secondary?.css, {
+  assert.deepEqual(service.getConfig().subtitleStyle.secondary.css, {
     color: '#bbbbbb',
     'font-size': '28px',
   });
-  assert.equal(Object.hasOwn(parsed.subtitleStyle.secondary ?? {}, 'fontSize'), false);
-  assert.equal(Object.hasOwn(parsed.subtitleStyle.secondary ?? {}, 'fontColor'), false);
-  assert.deepEqual(parsed.subtitleSidebar.css, {
+  assert.deepEqual(service.getConfig().subtitleSidebar.css, {
     'font-family': 'M PLUS 1, sans-serif',
     color: '#dddddd',
     'font-size': '19px',
     '--subtitle-sidebar-timestamp-color': '#aaaaaa',
   });
-  assert.equal(Object.hasOwn(parsed.subtitleSidebar, 'fontFamily'), false);
-  assert.equal(Object.hasOwn(parsed.subtitleSidebar, 'fontSize'), false);
-  assert.equal(Object.hasOwn(parsed.subtitleSidebar, 'textColor'), false);
-  assert.equal(Object.hasOwn(parsed.subtitleSidebar, 'timestampColor'), false);
-  assert.equal(service.getConfig().subtitleStyle.css['font-size'], '44px');
-  assert.equal(service.getConfig().subtitleStyle.secondary.css['font-size'], '28px');
-  assert.equal(service.getConfig().subtitleSidebar.css['font-size'], '19px');
 });
 
 test('parses subtitleStyle.preserveLineBreaks and warns on invalid values', () => {
@@ -2067,12 +2031,10 @@ test('ignores invalid legacy ankiConnect n+1 color value after migration attempt
   assert.ok(warnings.some((warning) => warning.path === 'ankiConnect.knownWords.color'));
 });
 
-test('migrates legacy ankiConnect n+1 color value to subtitleStyle', () => {
+test('resolves legacy ankiConnect n+1 color value without rewriting config', () => {
   const dir = makeTempDir();
   const configPath = path.join(dir, 'config.jsonc');
-  fs.writeFileSync(
-    configPath,
-    `{
+  const originalContent = `{
       "ankiConnect": {
         "nPlusOne": {
           "nPlusOne": "#c6a0f6"
@@ -2081,23 +2043,15 @@ test('migrates legacy ankiConnect n+1 color value to subtitleStyle', () => {
           "color": "#a6da95"
         }
       }
-    }`,
-    'utf-8',
-  );
+    }`;
+  fs.writeFileSync(configPath, originalContent, 'utf-8');
 
   const service = new ConfigService(dir);
   const config = service.getConfig();
 
   assert.equal(config.subtitleStyle.nPlusOneColor, '#c6a0f6');
   assert.equal(config.subtitleStyle.knownWordColor, '#a6da95');
-
-  const parsed = parseConfigContent(configPath, fs.readFileSync(configPath, 'utf-8')) as {
-    ankiConnect: { nPlusOne?: Record<string, unknown> };
-    subtitleStyle: { nPlusOneColor?: string; knownWordColor?: string };
-  };
-  assert.equal(parsed.subtitleStyle.nPlusOneColor, '#c6a0f6');
-  assert.equal(parsed.subtitleStyle.knownWordColor, '#a6da95');
-  assert.equal(Object.hasOwn(parsed.ankiConnect.nPlusOne ?? {}, 'nPlusOne'), false);
+  assert.equal(fs.readFileSync(configPath, 'utf-8'), originalContent);
 });
 
 test('legacy migration failures are logged and rethrown', () => {
@@ -2110,12 +2064,10 @@ test('legacy migration failures are logged and rethrown', () => {
   assert.match(catchBlock, /throw error;/);
 });
 
-test('migrates legacy ankiConnect nPlusOne known-word settings to knownWords', () => {
+test('resolves legacy ankiConnect nPlusOne known-word settings without rewriting config', () => {
   const dir = makeTempDir();
   const configPath = path.join(dir, 'config.jsonc');
-  fs.writeFileSync(
-    configPath,
-    `{
+  const originalContent = `{
       "ankiConnect": {
         "nPlusOne": {
           "highlightEnabled": true,
@@ -2125,20 +2077,12 @@ test('migrates legacy ankiConnect nPlusOne known-word settings to knownWords', (
           "knownWord": "#a6da95"
         }
       }
-    }`,
-    'utf-8',
-  );
+    }`;
+  fs.writeFileSync(configPath, originalContent, 'utf-8');
 
   const service = new ConfigService(dir);
   const config = service.getConfig();
   const warnings = service.getWarnings();
-  const parsed = parseConfigContent(configPath, fs.readFileSync(configPath, 'utf-8')) as {
-    ankiConnect: {
-      knownWords: Record<string, unknown>;
-      nPlusOne?: Record<string, unknown>;
-    };
-    subtitleStyle: { knownWordColor?: string };
-  };
 
   assert.equal(config.ankiConnect.knownWords.highlightEnabled, true);
   assert.equal(config.ankiConnect.nPlusOne.enabled, true);
@@ -2149,28 +2093,14 @@ test('migrates legacy ankiConnect nPlusOne known-word settings to knownWords', (
     'Kaishi 1.5k': ['Expression', 'Word', 'Reading', 'Word Reading'],
   });
   assert.equal(config.subtitleStyle.knownWordColor, '#a6da95');
-  assert.equal(parsed.ankiConnect.knownWords.highlightEnabled, true);
-  assert.equal(parsed.ankiConnect.knownWords.refreshMinutes, 90);
-  assert.equal(parsed.ankiConnect.knownWords.matchMode, 'surface');
-  assert.deepEqual(parsed.ankiConnect.knownWords.decks, {
-    Mining: ['Expression', 'Word', 'Reading', 'Word Reading'],
-    'Kaishi 1.5k': ['Expression', 'Word', 'Reading', 'Word Reading'],
-  });
-  assert.equal(parsed.subtitleStyle.knownWordColor, '#a6da95');
-  assert.ok(
-    ['highlightEnabled', 'refreshMinutes', 'matchMode', 'decks', 'knownWord'].every(
-      (key) => !Object.hasOwn(parsed.ankiConnect.nPlusOne ?? {}, key),
-    ),
-  );
+  assert.equal(fs.readFileSync(configPath, 'utf-8'), originalContent);
   assert.ok(warnings.every((warning) => !warning.path.startsWith('ankiConnect.nPlusOne.')));
 });
 
-test('migrates duplicate ankiConnect nPlusOne objects to the modal path', () => {
+test('resolves duplicate ankiConnect nPlusOne objects without rewriting config', () => {
   const dir = makeTempDir();
   const configPath = path.join(dir, 'config.jsonc');
-  fs.writeFileSync(
-    configPath,
-    `{
+  const originalContent = `{
       "ankiConnect": {
         "nPlusOne": {
           "enabled": true,
@@ -2183,19 +2113,14 @@ test('migrates duplicate ankiConnect nPlusOne objects to the modal path', () =>
           "minSentenceWords": "3"
         }
       }
-    }`,
-    'utf-8',
-  );
+    }`;
+  fs.writeFileSync(configPath, originalContent, 'utf-8');
 
   const service = new ConfigService(dir);
   const config = service.getConfig();
-  const parsed = parseConfigContent(configPath, fs.readFileSync(configPath, 'utf-8')) as {
-    ankiConnect: { nPlusOne: Record<string, unknown> };
-  };
 
   assert.equal(config.ankiConnect.nPlusOne.enabled, true);
-  assert.equal(parsed.ankiConnect.nPlusOne.enabled, true);
-  assert.equal(parsed.ankiConnect.nPlusOne.minSentenceWords, '3');
+  assert.equal(fs.readFileSync(configPath, 'utf-8'), originalContent);
 });
 
 test('supports legacy ankiConnect.behavior N+1 settings as fallback', () => {

src/config/definitions/defaults-core.ts

@@ -105,7 +105,6 @@ export const CORE_DEFAULT_CONFIG: Pick<
     primarySubLanguages: ['ja', 'jpn'],
   },
   subsync: {
-    defaultMode: 'auto',
     alass_path: '',
     ffsubsync_path: '',
     ffmpeg_path: '',
@@ -116,7 +115,7 @@ export const CORE_DEFAULT_CONFIG: Pick<
     mecab: true,
     yomitanExtension: true,
     subtitleDictionaries: true,
-    jellyfinRemoteSession: true,
+    jellyfinRemoteSession: false,
   },
   updates: {
     enabled: true,

src/config/definitions/defaults-subtitle.ts

@@ -10,7 +10,7 @@ export const SUBTITLE_DEFAULT_CONFIG: Pick<ResolvedConfig, 'subtitleStyle' | 'su
     autoPauseVideoOnYomitanPopup: true,
     hoverTokenColor: '#f4dbd6',
     hoverTokenBackgroundColor: 'transparent',
-    nameMatchEnabled: true,
+    nameMatchEnabled: false,
     nameMatchColor: '#f5bde6',
     fontFamily: 'Hiragino Sans, M PLUS 1, Source Han Sans JP, Noto Sans CJK JP',
     fontSize: 35,

src/config/definitions/options-core.ts

@@ -388,13 +388,6 @@ export function buildCoreConfigOptionRegistry(
       defaultValue: defaultConfig.annotationWebsocket.port,
       description: 'Annotated subtitle websocket server port.',
     },
-    {
-      path: 'subsync.defaultMode',
-      kind: 'enum',
-      enumValues: ['auto', 'manual'],
-      defaultValue: defaultConfig.subsync.defaultMode,
-      description: 'Subsync default mode.',
-    },
     {
       path: 'subsync.replace',
       kind: 'boolean',

src/config/definitions/template-sections.ts

@@ -90,7 +90,7 @@ const CORE_TEMPLATE_SECTIONS: ConfigTemplateSection[] = [
     key: 'secondarySub',
   },
   {
-    title: 'Auto Subtitle Sync',
+    title: 'Subtitle Sync',
     description: ['Subsync engine and executable paths.'],
     notes: ['Hot-reload: subsync changes apply to the next subtitle sync run.'],
     key: 'subsync',

src/config/resolve/core-domains.ts

@@ -273,13 +273,6 @@ export function applyCoreDomainConfig(context: ResolveContext): void {
   }
 
   if (isObject(src.subsync)) {
-    const mode = src.subsync.defaultMode;
-    if (mode === 'auto' || mode === 'manual') {
-      resolved.subsync.defaultMode = mode;
-    } else if (mode !== undefined) {
-      warn('subsync.defaultMode', mode, resolved.subsync.defaultMode, 'Expected auto or manual.');
-    }
-
     const alass = asString(src.subsync.alass_path);
     if (alass !== undefined) resolved.subsync.alass_path = alass;
     const ffsubsync = asString(src.subsync.ffsubsync_path);

src/config/resolve/subtitle-style.test.ts

@@ -162,7 +162,7 @@ test('subtitleStyle nameMatchEnabled falls back on invalid value', () => {
 
   applySubtitleDomainConfig(context);
 
-  assert.equal(context.resolved.subtitleStyle.nameMatchEnabled, true);
+  assert.equal(context.resolved.subtitleStyle.nameMatchEnabled, false);
   assert.ok(
     warnings.some(
       (warning) =>

src/config/service.ts

@@ -149,7 +149,6 @@ export class ConfigService {
       if (!migrated) {
         return rawConfig;
       }
-      fs.writeFileSync(configPath, content, 'utf-8');
       return rawConfig;
     } catch (error) {
       console.error(`[ConfigService] legacy config migration failed for ${configPath}:`, error);

src/config/settings/registry.test.ts

@@ -194,8 +194,8 @@ test('settings registry exposes css declaration editor for subtitle sidebar appe
 test('settings registry routes playback-related integrations into integrations', () => {
   assert.equal(field('jimaku.apiBaseUrl').category, 'integrations');
   assert.equal(field('jimaku.apiBaseUrl').section, 'Jimaku');
-  assert.equal(field('subsync.defaultMode').category, 'integrations');
-  assert.equal(field('subsync.defaultMode').section, 'Subtitle Sync');
+  assert.equal(field('subsync.replace').category, 'integrations');
+  assert.equal(field('subsync.replace').section, 'Subtitle Sync');
 });
 
 test('settings registry puts feature toggles first, then other toggles alphabetically', () => {
@@ -258,7 +258,7 @@ test('settings registry marks safe live config paths as hot-reloadable', () => {
     'jimaku.apiBaseUrl',
     'jimaku.languagePreference',
     'jimaku.maxEntryResults',
-    'subsync.defaultMode',
+    'subsync.replace',
     'ankiConnect.behavior.autoUpdateNewCards',
     'ankiConnect.knownWords.highlightEnabled',
     'ankiConnect.knownWords.refreshMinutes',
@@ -279,6 +279,11 @@ test('settings registry marks safe live config paths as hot-reloadable', () => {
   }
 });
 
+test('settings registry does not expose removed subsync mode option', () => {
+  const paths = new Set(fields.map((candidate) => candidate.configPath));
+  assert.equal(paths.has('subsync.defaultMode'), false);
+});
+
 test('settings registry keeps unsafe config siblings restart-required', () => {
   for (const path of [
     'stats.serverPort',

src/core/services/app-lifecycle.test.ts

@@ -242,3 +242,22 @@ test('startAppLifecycle quits macOS config-only launch when all windows close',
   handler();
   assert.deepEqual(calls, ['quitApp']);
 });
+
+test('startAppLifecycle quits macOS setup-only launch when all windows close', () => {
+  let windowAllClosedHandler: (() => void) | null = null;
+  const { deps, calls } = createDeps({
+    shouldStartApp: () => true,
+    isDarwinPlatform: () => true,
+    shouldQuitOnWindowAllClosed: () => true,
+    onWindowAllClosed: (handler) => {
+      windowAllClosedHandler = handler;
+    },
+  });
+
+  startAppLifecycle(makeArgs({ setup: true }), deps);
+
+  const handler = windowAllClosedHandler as (() => void) | null;
+  assert.ok(handler);
+  handler();
+  assert.deepEqual(calls, ['quitApp']);
+});

src/core/services/app-lifecycle.ts

@@ -166,7 +166,7 @@ export function startAppLifecycle(initialArgs: CliArgs, deps: AppLifecycleServic
   deps.onWindowAllClosed(() => {
     if (
       deps.shouldQuitOnWindowAllClosed() &&
-      (!deps.isDarwinPlatform() || initialArgs.settings)
+      (!deps.isDarwinPlatform() || initialArgs.settings || initialArgs.setup)
     ) {
       deps.quitApp();
     }

src/core/services/config-hot-reload.test.ts

@@ -27,7 +27,7 @@ test('classifyConfigHotReloadDiff treats safe nested config paths as hot-reloada
   next.logging.level = 'debug';
   next.youtube.primarySubLanguages = ['ja', 'en'];
   next.jimaku.maxEntryResults = prev.jimaku.maxEntryResults + 1;
-  next.subsync.defaultMode = prev.subsync.defaultMode === 'auto' ? 'manual' : 'auto';
+  next.subsync.replace = !prev.subsync.replace;
   next.ankiConnect.behavior.autoUpdateNewCards = !prev.ankiConnect.behavior.autoUpdateNewCards;
   next.ankiConnect.knownWords.highlightEnabled = !prev.ankiConnect.knownWords.highlightEnabled;
   next.ankiConnect.knownWords.refreshMinutes = prev.ankiConnect.knownWords.refreshMinutes + 5;
@@ -58,7 +58,7 @@ test('classifyConfigHotReloadDiff treats safe nested config paths as hot-reloada
       'logging.level',
       'youtube.primarySubLanguages',
       'jimaku.maxEntryResults',
-      'subsync.defaultMode',
+      'subsync.replace',
       'ankiConnect.behavior.autoUpdateNewCards',
       'ankiConnect.knownWords.highlightEnabled',
       'ankiConnect.knownWords.refreshMinutes',

src/core/services/subsync.test.ts

@@ -41,7 +41,6 @@ function makeDeps(
   return {
     getMpvClient: () => mpvClient,
     getResolvedConfig: () => ({
-      defaultMode: 'manual',
       alassPath: '/usr/bin/alass',
       ffsubsyncPath: '/usr/bin/ffsubsync',
       ffmpegPath: '/usr/bin/ffmpeg',
@@ -68,7 +67,7 @@ test('triggerSubsyncFromConfig returns early when already in progress', async ()
   assert.deepEqual(osd, ['Subsync already running']);
 });
 
-test('triggerSubsyncFromConfig opens manual picker in manual mode', async () => {
+test('triggerSubsyncFromConfig opens manual picker', async () => {
   const osd: string[] = [];
   let payloadTrackCount = 0;
   let inProgressState: boolean | null = null;
@@ -92,6 +91,31 @@ test('triggerSubsyncFromConfig opens manual picker in manual mode', async () =>
   assert.equal(inProgressState, false);
 });
 
+test('triggerSubsyncFromConfig does not run automatic sync', async () => {
+  const osd: string[] = [];
+  let payloadTrackCount = 0;
+  let spinnerRan = false;
+
+  await triggerSubsyncFromConfig(
+    makeDeps({
+      openManualPicker: (payload) => {
+        payloadTrackCount = payload.sourceTracks.length;
+      },
+      showMpvOsd: (text) => {
+        osd.push(text);
+      },
+      runWithSubsyncSpinner: async <T>(task: () => Promise<T>) => {
+        spinnerRan = true;
+        return task();
+      },
+    }),
+  );
+
+  assert.equal(payloadTrackCount, 1);
+  assert.equal(spinnerRan, false);
+  assert.deepEqual(osd, ['Subsync: choose engine and source']);
+});
+
 test('triggerSubsyncFromConfig dedupes repeated subtitle source tracks', async () => {
   let payloadTrackCount = 0;
 
@@ -161,14 +185,14 @@ test('runSubsyncManual requires a source track for alass', async () => {
   });
 });
 
-test('triggerSubsyncFromConfig reports path validation failures', async () => {
+test('triggerSubsyncFromConfig does not validate sync tool paths before manual selection', async () => {
   const osd: string[] = [];
   const inProgress: boolean[] = [];
+  let payloadTrackCount = 0;
 
   await triggerSubsyncFromConfig(
     makeDeps({
       getResolvedConfig: () => ({
-        defaultMode: 'auto',
         alassPath: '/missing/alass',
         ffsubsyncPath: '/missing/ffsubsync',
         ffmpegPath: '/missing/ffmpeg',
@@ -176,16 +200,18 @@ test('triggerSubsyncFromConfig reports path validation failures', async () => {
       setSubsyncInProgress: (value) => {
         inProgress.push(value);
       },
+      openManualPicker: (payload) => {
+        payloadTrackCount = payload.sourceTracks.length;
+      },
       showMpvOsd: (text) => {
         osd.push(text);
       },
     }),
   );
 
-  assert.deepEqual(inProgress, [true, false]);
-  assert.ok(
-    osd.some((line) => line.startsWith('Subsync failed: Configured ffmpeg executable not found')),
-  );
+  assert.deepEqual(inProgress, [false]);
+  assert.equal(payloadTrackCount, 1);
+  assert.deepEqual(osd, ['Subsync: choose engine and source']);
 });
 
 function writeExecutableScript(filePath: string, content: string): void {
@@ -260,7 +286,6 @@ test('runSubsyncManual constructs ffsubsync command and returns success', async
       },
     }),
     getResolvedConfig: () => ({
-      defaultMode: 'manual',
       alassPath,
       ffsubsyncPath,
       ffmpegPath,
@@ -326,7 +351,6 @@ test('runSubsyncManual writes deterministic _retimed filename when replace is fa
       },
     }),
     getResolvedConfig: () => ({
-      defaultMode: 'manual',
       alassPath,
       ffsubsyncPath,
       ffmpegPath,
@@ -382,7 +406,6 @@ test('runSubsyncManual reports ffsubsync command failures with details', async (
       },
     }),
     getResolvedConfig: () => ({
-      defaultMode: 'manual',
       alassPath,
       ffsubsyncPath,
       ffmpegPath,
@@ -448,7 +471,6 @@ test('runSubsyncManual constructs alass command and returns failure on non-zero
       },
     }),
     getResolvedConfig: () => ({
-      defaultMode: 'manual',
       alassPath,
       ffsubsyncPath,
       ffmpegPath,
@@ -520,7 +542,6 @@ test('runSubsyncManual keeps internal alass source file alive until sync finishe
       },
     }),
     getResolvedConfig: () => ({
-      defaultMode: 'manual',
       alassPath,
       ffsubsyncPath,
       ffmpegPath,
@@ -577,7 +598,6 @@ test('runSubsyncManual resolves string sid values from mpv stream properties', a
       },
     }),
     getResolvedConfig: () => ({
-      defaultMode: 'manual',
       alassPath,
       ffsubsyncPath,
       ffmpegPath,

src/core/services/subsync.ts

@@ -15,9 +15,6 @@ import {
   SubsyncResolvedConfig,
 } from '../../subsync/utils';
 import { isRemoteMediaPath } from '../../jimaku/utils';
-import { createLogger } from '../../logger';
-
-const logger = createLogger('main:subsync');
 
 interface FileExtractionResult {
   path: string;
@@ -340,57 +337,6 @@ function validateFfsubsyncReference(videoPath: string): void {
   }
 }
 
-async function runSubsyncAutoInternal(deps: SubsyncCoreDeps): Promise<SubsyncResult> {
-  const client = getMpvClientForSubsync(deps);
-  const context = await gatherSubsyncContext(client);
-  const resolved = deps.getResolvedConfig();
-  const ffmpegPath = ensureExecutablePath(resolved.ffmpegPath, 'ffmpeg');
-
-  if (context.secondaryTrack) {
-    let secondaryExtraction: FileExtractionResult | null = null;
-    try {
-      secondaryExtraction = await extractSubtitleTrackToFile(
-        ffmpegPath,
-        context.videoPath,
-        context.secondaryTrack,
-      );
-      const alassResult = await subsyncToReference(
-        'alass',
-        secondaryExtraction.path,
-        context,
-        resolved,
-        client,
-      );
-      if (alassResult.ok) {
-        return alassResult;
-      }
-    } catch (error) {
-      logger.warn('Auto alass sync failed, trying ffsubsync fallback:', error);
-    } finally {
-      if (secondaryExtraction) {
-        cleanupTemporaryFile(secondaryExtraction);
-      }
-    }
-  }
-
-  const ffsubsyncPath = ensureExecutablePath(resolved.ffsubsyncPath, 'ffsubsync');
-  if (!ffsubsyncPath) {
-    return {
-      ok: false,
-      message: 'No secondary subtitle for alass and ffsubsync not configured',
-    };
-  }
-  try {
-    validateFfsubsyncReference(context.videoPath);
-  } catch (error) {
-    return {
-      ok: false,
-      message: `ffsubsync synchronization failed: ${(error as Error).message}`,
-    };
-  }
-  return subsyncToReference('ffsubsync', context.videoPath, context, resolved, client);
-}
-
 export async function runSubsyncManual(
   request: SubsyncManualRunRequest,
   deps: SubsyncCoreDeps,
@@ -448,17 +394,9 @@ export async function triggerSubsyncFromConfig(deps: TriggerSubsyncFromConfigDep
     return;
   }
 
-  const resolved = deps.getResolvedConfig();
   try {
-    if (resolved.defaultMode === 'manual') {
-      await openSubsyncManualPicker(deps);
-      deps.showMpvOsd('Subsync: choose engine and source');
-      return;
-    }
-
-    deps.setSubsyncInProgress(true);
-    const result = await deps.runWithSubsyncSpinner(() => runSubsyncAutoInternal(deps));
-    deps.showMpvOsd(result.message);
+    await openSubsyncManualPicker(deps);
+    deps.showMpvOsd('Subsync: choose engine and source');
   } catch (error) {
     deps.showMpvOsd(`Subsync failed: ${(error as Error).message}`);
   } finally {

src/main/runtime/update/update-dialogs.test.ts

@@ -73,6 +73,52 @@ test('update dialog presenter does not focus app or yield before showing non-mac
   assert.deepEqual(calls, ['dialog:SubMiner is up to date (v0.14.0)']);
 });
 
+test('update dialog presenter still shows macOS dialog when focus fails', async () => {
+  const calls: string[] = [];
+  const showMessageBox: ShowMessageBox = async (options) => {
+    calls.push(`dialog:${options.message}`);
+    return { response: 0 };
+  };
+  const presenter = createUpdateDialogPresenter({
+    platform: 'darwin',
+    focusApp: () => {
+      calls.push('focus');
+      throw new Error('focus failed');
+    },
+    yieldToRunLoop: async () => {
+      calls.push('yield');
+    },
+    showMessageBox,
+  });
+
+  await presenter.showNoUpdateDialog('0.14.0');
+
+  assert.deepEqual(calls, ['focus', 'dialog:SubMiner is up to date (v0.14.0)']);
+});
+
+test('update dialog presenter still shows macOS dialog when yielding fails', async () => {
+  const calls: string[] = [];
+  const showMessageBox: ShowMessageBox = async (options) => {
+    calls.push(`dialog:${options.message}`);
+    return { response: 0 };
+  };
+  const presenter = createUpdateDialogPresenter({
+    platform: 'darwin',
+    focusApp: () => {
+      calls.push('focus');
+    },
+    yieldToRunLoop: async () => {
+      calls.push('yield');
+      throw new Error('yield failed');
+    },
+    showMessageBox,
+  });
+
+  await presenter.showNoUpdateDialog('0.14.0');
+
+  assert.deepEqual(calls, ['focus', 'yield', 'dialog:SubMiner is up to date (v0.14.0)']);
+});
+
 test('manual update required dialog explains that automatic install is unavailable', async () => {
   let shown:
     | {

src/main/runtime/update/update-dialogs.ts

@@ -46,7 +46,11 @@ async function maybeFocusAppForDialog(deps: UpdateDialogPresenterDeps): Promise<
 
 export function createUpdateDialogPresenter(deps: UpdateDialogPresenterDeps) {
   const showFocusedMessageBox: ShowMessageBox = async (options) => {
-    await maybeFocusAppForDialog(deps);
+    try {
+      await maybeFocusAppForDialog(deps);
+    } catch {
+      // Best-effort focus only; never block the dialog itself.
+    }
     return deps.showMessageBox(options);
   };
 

src/renderer/index.html

@@ -214,7 +214,7 @@
       <div id="subsyncModal" class="modal hidden" aria-hidden="true">
         <div class="modal-content subsync-modal-content">
           <div class="modal-header">
-            <div class="modal-title">Auto Subtitle Sync</div>
+            <div class="modal-title">Subtitle Sync</div>
             <button id="subsyncClose" class="modal-close" type="button">Close</button>
           </div>
           <div class="modal-body">

src/renderer/state.ts

@@ -215,7 +215,7 @@ export function createRendererState(): RendererState {
 
     knownWordColor: '#a6da95',
     nPlusOneColor: '#c6a0f6',
-    nameMatchEnabled: true,
+    nameMatchEnabled: false,
     nameMatchColor: '#f5bde6',
     jlptN1Color: '#ed8796',
     jlptN2Color: '#f5a97f',

src/renderer/subtitle-render.test.ts

@@ -258,7 +258,7 @@ test('computeWordClass preserves known and n+1 classes while adding JLPT classes
   assert.equal(computeWordClass(nPlusOneJlpt), 'word word-n-plus-one word-jlpt-n2');
 });
 
-test('computeWordClass applies name-match class ahead of known, n+1, frequency, and JLPT classes', () => {
+test('computeWordClass applies name-match class ahead of known, n+1, frequency, and JLPT classes when enabled', () => {
   const token = createToken({
     isKnown: true,
     isNPlusOneTarget: true,
@@ -270,6 +270,7 @@ test('computeWordClass applies name-match class ahead of known, n+1, frequency,
 
   assert.equal(
     computeWordClass(token, {
+      nameMatchEnabled: true,
       enabled: true,
       topX: 100,
       mode: 'single',
@@ -280,6 +281,15 @@ test('computeWordClass applies name-match class ahead of known, n+1, frequency,
   );
 });
 
+test('computeWordClass skips name-match class by default', () => {
+  const token = createToken({
+    surface: 'アクア',
+  }) as MergedToken & { isNameMatch?: boolean };
+  token.isNameMatch = true;
+
+  assert.equal(computeWordClass(token), 'word');
+});
+
 test('computeWordClass skips name-match class when disabled', () => {
   const token = createToken({
     surface: 'アクア',

src/renderer/subtitle-render.ts

@@ -93,7 +93,7 @@ const DEFAULT_FREQUENCY_RENDER_SETTINGS: FrequencyRenderSettings = {
   singleColor: '#f5a97f',
   bandedColors: ['#ed8796', '#f5a97f', '#f9e2af', '#8bd5ca', '#8aadf4'],
 };
-const DEFAULT_NAME_MATCH_ENABLED = true;
+const DEFAULT_NAME_MATCH_ENABLED = false;
 
 function hasPrioritizedNameMatch(
   token: MergedToken,
@@ -724,7 +724,7 @@ export function createSubtitleRenderer(ctx: RendererContext) {
     if (style.fontStyle) ctx.dom.subtitleRoot.style.fontStyle = style.fontStyle;
     const knownWordColor = style.knownWordColor ?? ctx.state.knownWordColor ?? '#a6da95';
     const nPlusOneColor = style.nPlusOneColor ?? ctx.state.nPlusOneColor ?? '#c6a0f6';
-    const nameMatchEnabled = style.nameMatchEnabled ?? ctx.state.nameMatchEnabled ?? true;
+    const nameMatchEnabled = style.nameMatchEnabled ?? ctx.state.nameMatchEnabled ?? false;
     const nameMatchColor = style.nameMatchColor ?? ctx.state.nameMatchColor ?? '#f5bde6';
     const hoverTokenColor = sanitizeSubtitleHoverTokenColor(style.hoverTokenColor);
     const hoverTokenBackgroundColor = sanitizeSubtitleHoverTokenBackgroundColor(

src/subsync/utils.ts

@@ -2,7 +2,7 @@ import * as fs from 'fs';
 import * as childProcess from 'child_process';
 import * as path from 'path';
 import { DEFAULT_CONFIG } from '../config';
-import { SubsyncConfig, SubsyncMode } from '../types';
+import { SubsyncConfig } from '../types';
 
 export interface MpvTrack {
   id?: number;
@@ -17,7 +17,6 @@ export interface MpvTrack {
 }
 
 export interface SubsyncResolvedConfig {
-  defaultMode: SubsyncMode;
   alassPath: string;
   ffsubsyncPath: string;
   ffmpegPath: string;
@@ -89,7 +88,6 @@ export function getSubsyncConfig(config: SubsyncConfig | undefined): SubsyncReso
   };
 
   return {
-    defaultMode: config?.defaultMode ?? DEFAULT_CONFIG.subsync.defaultMode,
     alassPath: resolvePath(config?.alass_path, DEFAULT_SUBSYNC_EXECUTABLE_PATHS.alass),
     ffsubsyncPath: resolvePath(config?.ffsubsync_path, DEFAULT_SUBSYNC_EXECUTABLE_PATHS.ffsubsync),
     ffmpegPath: resolvePath(config?.ffmpeg_path, DEFAULT_SUBSYNC_EXECUTABLE_PATHS.ffmpeg),

src/types/config.ts

@@ -67,10 +67,7 @@ export interface MpvConfig {
   aniskipButtonKey?: string;
 }
 
-export type SubsyncMode = 'auto' | 'manual';
-
 export interface SubsyncConfig {
-  defaultMode?: SubsyncMode;
   alass_path?: string;
   ffsubsync_path?: string;
   ffmpeg_path?: string;