refactor: extract app shutdown orchestration service

package.json

@@ -16,7 +16,7 @@
     "docs:build": "vitepress build docs",
     "docs:preview": "vitepress preview docs --host 0.0.0.0 --port 4173 --strictPort",
     "test:config": "pnpm run build && node --test dist/config/config.test.js",
-    "test:core": "pnpm run build && node --test dist/cli/args.test.js dist/cli/help.test.js dist/core/services/cli-command-service.test.js dist/core/services/numeric-shortcut-session-service.test.js dist/core/services/secondary-subtitle-service.test.js dist/core/services/mpv-render-metrics-service.test.js dist/core/services/mpv-runtime-service.test.js dist/core/services/runtime-options-runtime-service.test.js dist/core/services/overlay-modal-restore-service.test.js dist/core/services/runtime-config-service.test.js dist/core/services/overlay-bridge-runtime-service.test.js dist/core/services/overlay-visibility-facade-service.test.js dist/core/services/overlay-broadcast-runtime-service.test.js dist/core/services/app-ready-runtime-service.test.js",
+    "test:core": "pnpm run build && node --test dist/cli/args.test.js dist/cli/help.test.js dist/core/services/cli-command-service.test.js dist/core/services/numeric-shortcut-session-service.test.js dist/core/services/secondary-subtitle-service.test.js dist/core/services/mpv-render-metrics-service.test.js dist/core/services/mpv-runtime-service.test.js dist/core/services/runtime-options-runtime-service.test.js dist/core/services/overlay-modal-restore-service.test.js dist/core/services/runtime-config-service.test.js dist/core/services/overlay-bridge-runtime-service.test.js dist/core/services/overlay-visibility-facade-service.test.js dist/core/services/overlay-broadcast-runtime-service.test.js dist/core/services/app-ready-runtime-service.test.js dist/core/services/app-shutdown-runtime-service.test.js",
     "test:subtitle": "pnpm run build && node --test dist/subtitle/stages.test.js dist/subtitle/pipeline.test.js",
     "generate:config-example": "pnpm run build && node dist/generate-config-example.js",
     "start": "pnpm run build && electron . --start",

src/core/services/app-shutdown-runtime-service.test.ts

@@ -0,0 +1,32 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { runAppShutdownRuntimeService } from "./app-shutdown-runtime-service";
+
+test("runAppShutdownRuntimeService runs teardown steps in order", () => {
+  const calls: string[] = [];
+  runAppShutdownRuntimeService({
+    unregisterAllGlobalShortcuts: () => calls.push("unregisterAllGlobalShortcuts"),
+    stopSubtitleWebsocket: () => calls.push("stopSubtitleWebsocket"),
+    stopTexthookerService: () => calls.push("stopTexthookerService"),
+    destroyYomitanParserWindow: () => calls.push("destroyYomitanParserWindow"),
+    clearYomitanParserPromises: () => calls.push("clearYomitanParserPromises"),
+    stopWindowTracker: () => calls.push("stopWindowTracker"),
+    destroyMpvSocket: () => calls.push("destroyMpvSocket"),
+    clearReconnectTimer: () => calls.push("clearReconnectTimer"),
+    destroySubtitleTimingTracker: () => calls.push("destroySubtitleTimingTracker"),
+    destroyAnkiIntegration: () => calls.push("destroyAnkiIntegration"),
+  });
+
+  assert.deepEqual(calls, [
+    "unregisterAllGlobalShortcuts",
+    "stopSubtitleWebsocket",
+    "stopTexthookerService",
+    "destroyYomitanParserWindow",
+    "clearYomitanParserPromises",
+    "stopWindowTracker",
+    "destroyMpvSocket",
+    "clearReconnectTimer",
+    "destroySubtitleTimingTracker",
+    "destroyAnkiIntegration",
+  ]);
+});

src/core/services/app-shutdown-runtime-service.ts

@@ -0,0 +1,27 @@
+export interface AppShutdownRuntimeDeps {
+  unregisterAllGlobalShortcuts: () => void;
+  stopSubtitleWebsocket: () => void;
+  stopTexthookerService: () => void;
+  destroyYomitanParserWindow: () => void;
+  clearYomitanParserPromises: () => void;
+  stopWindowTracker: () => void;
+  destroyMpvSocket: () => void;
+  clearReconnectTimer: () => void;
+  destroySubtitleTimingTracker: () => void;
+  destroyAnkiIntegration: () => void;
+}
+
+export function runAppShutdownRuntimeService(
+  deps: AppShutdownRuntimeDeps,
+): void {
+  deps.unregisterAllGlobalShortcuts();
+  deps.stopSubtitleWebsocket();
+  deps.stopTexthookerService();
+  deps.destroyYomitanParserWindow();
+  deps.clearYomitanParserPromises();
+  deps.stopWindowTracker();
+  deps.destroyMpvSocket();
+  deps.clearReconnectTimer();
+  deps.destroySubtitleTimingTracker();
+  deps.destroyAnkiIntegration();
+}

src/main.ts

@@ -202,6 +202,7 @@ import {
   setOverlayDebugVisualizationEnabledRuntimeService,
 } from "./core/services/overlay-broadcast-runtime-service";
 import { runAppReadyRuntimeService } from "./core/services/app-ready-runtime-service";
+import { runAppShutdownRuntimeService } from "./core/services/app-shutdown-runtime-service";
 import {
   runSubsyncManualFromIpcRuntimeService,
   triggerSubsyncFromConfigRuntimeService,
@@ -564,31 +565,53 @@ if (initialArgs.generateConfig && !shouldStartApp(initialArgs)) {
       });
     },
     onWillQuitCleanup: () => {
+      runAppShutdownRuntimeService({
+        unregisterAllGlobalShortcuts: () => {
           globalShortcut.unregisterAll();
+        },
+        stopSubtitleWebsocket: () => {
           subtitleWsService.stop();
+        },
+        stopTexthookerService: () => {
           texthookerService.stop();
+        },
+        destroyYomitanParserWindow: () => {
           if (yomitanParserWindow && !yomitanParserWindow.isDestroyed()) {
             yomitanParserWindow.destroy();
           }
           yomitanParserWindow = null;
+        },
+        clearYomitanParserPromises: () => {
           yomitanParserReadyPromise = null;
           yomitanParserInitPromise = null;
+        },
+        stopWindowTracker: () => {
           if (windowTracker) {
             windowTracker.stop();
           }
+        },
+        destroyMpvSocket: () => {
           if (mpvClient && mpvClient.socket) {
             mpvClient.socket.destroy();
           }
+        },
+        clearReconnectTimer: () => {
           if (reconnectTimer) {
             clearTimeout(reconnectTimer);
           }
+        },
+        destroySubtitleTimingTracker: () => {
           if (subtitleTimingTracker) {
             subtitleTimingTracker.destroy();
           }
+        },
+        destroyAnkiIntegration: () => {
           if (ankiIntegration) {
             ankiIntegration.destroy();
           }
         },
+      });
+    },
     shouldRestoreWindowsOnActivate: () =>
       overlayRuntimeInitialized && BrowserWindow.getAllWindows().length === 0,
     restoreWindowsOnActivate: () => {