feat: Add review events persistence, version display, and auto-versioning system

backend/app/workers/task_worker.py

@@ -200,6 +200,19 @@ class ReviewTaskWorker:
                 
                 logger.info(f"      🔔 Broadcasting event: type={event.get('type')}, connections={len(manager.active_connections)}")
                 
+                # Save event to database
+                from app.models.review_event import ReviewEvent
+                db_event = ReviewEvent(
+                    review_id=review.id,
+                    event_type=event.get("type", "agent_update"),
+                    step=event.get("step"),
+                    message=event.get("message"),
+                    data=event
+                )
+                db.add(db_event)
+                await db.commit()
+                logger.debug(f"      💾 Event saved to DB: {db_event.id}")
+                
                 # Broadcast to all connected clients
                 await manager.broadcast(event_data)