feat(subtitles): add local Japanese subtitle generation (#240)

src/core/services/session-bindings.test.ts

@@ -5,6 +5,7 @@ import type { ConfiguredShortcuts } from '../utils/shortcut-config';
 import { DEFAULT_CONFIG, DEFAULT_KEYBINDINGS, SPECIAL_COMMANDS } from '../../config/definitions';
 import { resolveConfiguredShortcuts } from '../utils/shortcut-config';
 import { buildPluginSessionBindingsArtifact, compileSessionBindings } from './session-bindings';
+import { parseSessionActionDispatchRequest } from '../../shared/ipc/validators';
 
 function createShortcuts(overrides: Partial<ConfiguredShortcuts> = {}): ConfiguredShortcuts {
   return {
@@ -23,6 +24,7 @@ function createShortcuts(overrides: Partial<ConfiguredShortcuts> = {}): Configur
     openRuntimeOptions: null,
     openJimaku: null,
     openTsukihime: null,
+    openSubtitleGeneration: null,
     openSessionHelp: null,
     openControllerSelect: null,
     openControllerDebug: null,
@@ -37,6 +39,50 @@ function createKeybinding(key: string, command: Keybinding['command']): Keybindi
   return { key, command };
 }
 
+test('subtitle generation shortcut compiles for overlay and mpv without conflicting with field grouping', () => {
+  for (const platform of ['linux', 'darwin', 'win32'] as const) {
+    const result = compileSessionBindings({
+      shortcuts: resolveConfiguredShortcuts(DEFAULT_CONFIG, DEFAULT_CONFIG),
+      keybindings: DEFAULT_KEYBINDINGS,
+      platform,
+    });
+    const binding = result.bindings.find(
+      (entry) =>
+        entry.actionType === 'session-action' && entry.actionId === 'openSubtitleGeneration',
+    );
+    assert.ok(binding);
+    assert.deepEqual(binding.key, { code: 'KeyG', modifiers: ['ctrl', 'shift'] });
+    assert.equal(
+      result.warnings.some(
+        (warning) =>
+          warning.path === 'shortcuts.openSubtitleGeneration' ||
+          warning.conflictingPaths?.includes('shortcuts.openSubtitleGeneration'),
+      ),
+      false,
+    );
+    assert.ok(
+      result.bindings.some(
+        (entry) =>
+          entry.actionType === 'session-action' && entry.actionId === 'triggerFieldGrouping',
+      ),
+    );
+    const artifact = buildPluginSessionBindingsArtifact({
+      bindings: [binding],
+      warnings: [],
+      numericSelectionTimeoutMs: 3000,
+    });
+    const pluginBinding = artifact.bindings[0];
+    assert.ok(pluginBinding?.actionType === 'session-action');
+    assert.deepEqual(pluginBinding.cliArgs, [
+      '--session-action',
+      '{"actionId":"openSubtitleGeneration"}',
+    ]);
+    assert.deepEqual(parseSessionActionDispatchRequest({ actionId: 'openSubtitleGeneration' }), {
+      actionId: 'openSubtitleGeneration',
+    });
+  }
+});
+
 test('compileSessionBindings merges shortcuts and keybindings into one canonical list', () => {
   const result = compileSessionBindings({
     shortcuts: createShortcuts({