fix(mobile): isolate candidate study position

mobile-uni/src/pages/candidate/index/index.vue

@@ -312,7 +312,7 @@ const loadStudy = async () => {
   studyLoading.value = true;
   message.value = '';
   try {
-    const result = await searchKnowledge('生活顾问岗前预习 投诉处理 报事报修 客户沟通');
+    const result = await searchKnowledge('生活顾问岗前预习 投诉处理 报事报修 客户沟通', '生活顾问');
     studyAnswer.value = result.answer;
     studyRefs.value = (result.docs || []).map((item) => item.title).filter(Boolean).slice(0, 3);
   } catch (error) {

mobile-uni/src/services/knowledge.ts

@@ -18,14 +18,14 @@ const normalizeSnippet = (snippet: RawKnowledgeSnippet): KnowledgeSnippet => ({
   content: snippet.content || snippet.text || ''
 });
 
-export const searchKnowledge = async (queryText: string) => {
+export const searchKnowledge = async (queryText: string, position = getSelectedPosition()) => {
   const response = await apiRequest<KnowledgeSearchResponse>({
     url: '/api/knowledge/search',
     method: 'POST',
     data: {
       queryText,
       category: 'sop',
-      position: getSelectedPosition(),
+      position,
       limit: 5
     },
     timeout: 30000