fix(01): calendar slot merge in OutputReview for PN/Schwartz badges

GenerateResponse now includes calendar field from backend.
OutputReview merges CalendarSlot into PostResult via slot_index,
enabling BadgePN, BadgeSchwartz rendering and Retry button.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/pages/OutputReview.tsx

@@ -25,10 +25,15 @@ export function OutputReview() {
   // Stato locale dei post — viene aggiornato da edit inline e rigenerazione
   const [localResults, setLocalResults] = useState<PostResult[]>([])
 
-  // Inizializza i risultati quando arrivano dal backend
+  // Inizializza i risultati e merge con CalendarSlot dal calendario
   useEffect(() => {
     if (jobData?.results) {
-      setLocalResults(jobData.results)
+      const slots = jobData.calendar?.slots
+      const merged = jobData.results.map((r) => ({
+        ...r,
+        slot: slots?.find((s) => s.indice === r.slot_index) ?? r.slot,
+      }))
+      setLocalResults(merged)
     }
   }, [jobData])