fix: loadSessions variable shadowing bug

- Local variable 'sessions' was shadowing the ref 'sessions'
- sessions.value = sessions was not updating the ref
- Renamed local variable to 'sessionList' and properly assign to sessions.value
- This fixes sessions not appearing in history list after save

src/composables/useSearchSession.ts

@@ -80,8 +80,8 @@ export function useSearchSession() {
       if (!resp.ok) throw new Error(`HTTP ${resp.status}`)
       const data = await resp.json()
       // Enrich sessions with last query from messages
-      const sessions = data.sessions || []
-      for (const s of sessions) {
+      const sessionList = data.sessions || []
+      for (const s of sessionList) {
         try {
           const msgResp = await fetch(`${base}/api/v2/search-sessions/${s.id}/messages?limit=1`, {
             headers: getAuthHeaders()
@@ -95,7 +95,7 @@ export function useSearchSession() {
           }
         } catch {}
       }
-      sessions.value = sessions
+      sessions.value = sessionList
     } catch (e: any) {
       error.value = e.message || 'Failed to load sessions'
     } finally {
@@ -117,7 +117,9 @@ export function useSearchSession() {
       if (!resp.ok) throw new Error(`HTTP ${resp.status}`)
       const data = await resp.json()
       await loadSessions()
-      return data.session
+      // Return the newly created session from the sessions list
+      const newSession = sessions.value.find(s => s.id === data.session?.id)
+      return newSession || data.session
     } catch (e: any) {
       error.value = e.message || 'Failed to create session'
       return null