feat: use new search/people API for People search mode

src/api/index.ts

@@ -263,6 +263,13 @@ case 'search_keyword': {
     case 'search_identities': {
       return { url: `/api/v1/identities/search?q=${encodeURIComponent(a.query)}&limit=${a.limit || 50}`, method: 'GET' }
     }
+    case 'search_people': {
+      const params = new URLSearchParams()
+      if (a.query) params.set('query', a.query)
+      if (a.fileUuid) params.set('file_uuid', a.fileUuid)
+      if (a.limit) params.set('limit', String(a.limit))
+      return { url: `/api/v1/search/people?${params.toString()}`, method: 'GET' }
+    }
 
     // --- Image APIs ---
     case 'get_thumbnail': {