fix: support authenticated video citation playback

mobile-uni/src/services/knowledge.ts

@@ -9,7 +9,7 @@ import type {
   SummaryCardResponse,
   KnowledgeCitationDetail
 } from '@/types/api';
-import { apiRequest, apiUrl, authHeaders, readTextPayload } from './api';
+import { apiMediaUrl, apiRequest, apiUrl, authHeaders, readTextPayload } from './api';
 import { getSelectedPosition } from './auth';
 import { fileSelectionFailure } from '../utils/file-selection';
 import { withPlatformFileSelection } from './file-selection-lifecycle';
@@ -264,7 +264,7 @@ export const loadKnowledgeCitationMediaUrl = async (detailRef: string) => {
     clearAuthOnUnauthorized: false
   });
   if (!response.url?.startsWith('/api/knowledge/resources/')) throw new Error('视频地址无效');
-  return apiUrl(response.url);
+  return apiMediaUrl(response.url);
 };
 
 const normalizeUnifiedResponse = (response: UnifiedKnowledgeResponse): KnowledgeSearchResponse => {