feat: replace y-j with configurable Jimaku shortcut

src/core/services/overlay-shortcut-fallback-runner.ts

@@ -2,6 +2,7 @@ import { ConfiguredShortcuts } from "../utils/shortcut-config";
 
 export interface OverlayShortcutFallbackHandlers {
   openRuntimeOptions: () => void;
+  openJimaku: () => void;
   markAudioCard: () => void;
   copySubtitleMultiple: (timeoutMs: number) => void;
   copySubtitle: () => void;
@@ -34,6 +35,12 @@ export function runOverlayShortcutLocalFallback(
         handlers.openRuntimeOptions();
       },
     },
+    {
+      accelerator: shortcuts.openJimaku,
+      run: () => {
+        handlers.openJimaku();
+      },
+    },
     {
       accelerator: shortcuts.markAudioCard,
       run: () => {

src/core/services/overlay-shortcut-service.ts

@@ -13,6 +13,7 @@ export interface OverlayShortcutHandlers {
   toggleSecondarySub: () => void;
   markAudioCard: () => void;
   openRuntimeOptions: () => void;
+  openJimaku: () => void;
 }
 
 export function registerOverlayShortcutsService(
@@ -118,6 +119,13 @@ export function registerOverlayShortcutsService(
       "openRuntimeOptions",
     );
   }
+  if (shortcuts.openJimaku) {
+    registerOverlayShortcut(
+      shortcuts.openJimaku,
+      () => handlers.openJimaku(),
+      "openJimaku",
+    );
+  }
 
   return registeredAny;
 }
@@ -155,4 +163,7 @@ export function unregisterOverlayShortcutsService(
   if (shortcuts.openRuntimeOptions) {
     globalShortcut.unregister(shortcuts.openRuntimeOptions);
   }
+  if (shortcuts.openJimaku) {
+    globalShortcut.unregister(shortcuts.openJimaku);
+  }
 }