Address review: drop {max} from de/ja tooltips, add isolated-path test

German and Japanese locales (added on main after the original branch point) still interpolated {max}, which would render literally now that the tooltip passes no max param. Also cover the isolated per-worktree dispatch path (>5 models) in the store test.

packages/ui/src/lib/i18n/messages/de.ts

@@ -347,7 +347,7 @@ export const dict = {
   'multirun.launcher.attachments.attach': 'Anhängen',
   'multirun.launcher.attachments.tooltip': 'Denselben Dateien an alle Durchläufe senden',
   'multirun.launcher.models.label': 'Modelle',
-  'multirun.launcher.models.info': 'Wählen Sie 2-{max} Modelle. Das gleiche Modell kann mehrfach hinzugefügt werden.',
+  'multirun.launcher.models.info': 'Wählen Sie 2 oder mehr Modelle. Das gleiche Modell kann mehrfach hinzugefügt werden.',
   'multirun.launcher.toast.fileTooLarge': 'Datei "{fileName}" ist zu groß (max. 10MB)',
   'multirun.launcher.toast.attachFailed': 'Fehler beim Anhängen von "{fileName}"',
   'multirun.launcher.toast.attachedSingle': '{count} Datei angehängt',

packages/ui/src/lib/i18n/messages/ja.ts

@@ -370,7 +370,7 @@ export const dict: Record<I18nKey, string> = {
   'multirun.launcher.attachments.attach': '添付',
   'multirun.launcher.attachments.tooltip': '同じファイルをすべての実行に送信',
   'multirun.launcher.models.label': 'モデル',
-  'multirun.launcher.models.info': '2～{max}モデルを選択。同じモデルを複数回追加できます。',
+  'multirun.launcher.models.info': '2つ以上のモデルを選択。同じモデルを複数回追加できます。',
   'multirun.launcher.toast.fileTooLarge': 'ファイル「{fileName}」が大きすぎます（最大10MB）',
   'multirun.launcher.toast.attachFailed': '「{fileName}」の添付に失敗しました',
   'multirun.launcher.toast.attachedSingle': '{count}ファイルを添付しました',

packages/ui/src/stores/useMultiRunStore.test.ts

@@ -242,4 +242,23 @@ describe('useMultiRunStore', () => {
     expect(useMultiRunStore.getState().error).toBeNull();
     expect(result?.sessionIds).toHaveLength(6);
   });
+
+  test('accepts more than 5 models on the isolated (per-worktree) dispatch path', async () => {
+    isGitRepository = true;
+
+    const models = Array.from({ length: 6 }, (_, i) => ({
+      providerID: 'anthropic',
+      modelID: `claude-sonnet-4-5-${i}`,
+    }));
+
+    const result = await useMultiRunStore.getState().createMultiRun({
+      name: 'Many models',
+      isolateRuns: true,
+      groups: [{ prompt: 'Fix it', models }],
+    });
+
+    expect(useMultiRunStore.getState().error).toBeNull();
+    expect(result?.sessionIds).toHaveLength(6);
+    expect(worktreeCreateCalls.length).toBe(6);
+  });
 });