fix: use search/people API (no identity concept)

src/views/SearchView.vue

@@ -722,15 +722,15 @@ async function sendMessage() {
       messages.value[msgIdx].loading = false
       if (res?.chips) messages.value[msgIdx].chips = res.chips
     } else if (mode.value === 'people') {
-      const raw: any = await apiCall('search_identities', { query: q, limit: 50 })
+      const raw: any = await apiCall('search_people', { query: q, limit: 50 })
       if (searchSeq !== seq) return
-      const results = (Array.isArray(raw) ? raw : []).filter((p: any) => p.file_uuid).map((p: any) => ({
-        file_uuid: p.file_uuid,
-        file_name: p.name,
-        summary: p.source ? `People · ${p.source}` : 'People',
+      const peopleList = raw?.people || []
+      const results = peopleList.map((p: any) => ({
+        file_name: p.name || 'Unknown',
+        summary: `People · ${p.appearance_count || 0} appearances`,
         similarity: 1.0,
-        start_frame: p.startFrame || p.start_frame,
-        end_frame: p.endFrame || p.end_frame,
+        start_frame: p.first_appearance_time,
+        end_frame: p.last_appearance_time,
         search_query: q,
       }))
       messages.value[msgIdx].results = results