feat: add takeover config UI to authorization management page

- Added updateTakeoverConfig API function (PUT /api/avatar/{id}/authorizations/takeover)
- Added expandable takeover config section per auth card with toggle switch, mode selector (immediate/delayed), and delay seconds input
- Added takeover summary badge showing current config when not editing
- Styles follow existing light theme with indigo (#6366F1) accent

digital-avatar-app/src/api/index.ts

@@ -299,4 +299,13 @@ export const getCurrentUser = () =>
 export const logoutUser = () =>
   request.post('/huihui/logout')
 
+// 更新接管配置
+export const updateTakeoverConfig = (avatarId: string, data: {
+  authorizationId: string
+  takeoverEnabled: boolean
+  takeoverMode?: 'immediate' | 'delayed'
+  takeoverDelaySeconds?: number
+}) =>
+  request.put(`/avatar/${avatarId}/authorizations/takeover`, data)
+
 export default request