fix(frontend): shorten Agent Identity tab label

frontend/src/features/providers/components/OAuthAccountDialog.vue

@@ -96,7 +96,7 @@
           :disabled="importing || creatingAgentIdentity"
           @click="switchMode('agent_identity')"
         >
-          {{ legacyT('创建 Agent Identity') }}
+          {{ legacyT('Agent Identity') }}
         </button>
       </div>
 

frontend/src/features/providers/components/__tests__/OAuthAccountDialog.grok-import.spec.ts

@@ -444,9 +444,9 @@ describe('OAuthAccountDialog Grok import', () => {
 
     expect(getExactButton(root, '获取授权')).toBeTruthy()
     expect(getExactButton(root, '导入授权')).toBeTruthy()
-    expect(getExactButton(root, '创建 Agent Identity')).toBeTruthy()
+    expect(getExactButton(root, 'Agent Identity')).toBeTruthy()
 
-    getExactButton(root, '创建 Agent Identity')?.click()
+    getExactButton(root, 'Agent Identity')?.click()
     await settle()
 
     const textarea = root.querySelector<HTMLTextAreaElement>(
@@ -475,7 +475,7 @@ describe('OAuthAccountDialog Grok import', () => {
 
     expect(getExactButton(root, '获取授权')).toBeTruthy()
     expect(getExactButton(root, '导入授权')).toBeTruthy()
-    expect(getExactButton(root, '创建 Agent Identity')).toBeFalsy()
+    expect(getExactButton(root, 'Agent Identity')).toBeFalsy()
   })
 
   it('sends a complete sub2api Agent Identity export through batch import', async () => {

frontend/src/i18n/messages.ts

@@ -1582,7 +1582,7 @@ const legacyExactEnglishMessages: Record<string, string> = {
   '浏览器登录': 'Browser sign-in',
   '设备授权': 'Device authorization',
   '导入授权': 'Import authorization',
-  '创建 Agent Identity': 'Create Agent Identity',
+  'Agent Identity': 'Agent Identity',
   '创建并导入 Agent Identity': 'Create and import Agent Identity',
   '创建 Agent Identity 失败': 'Failed to create Agent Identity',
   'ChatGPT Session Token': 'ChatGPT Session Token',