feat: Enhance review process with streaming events and detailed logging

backend/app/main.py

@@ -29,11 +29,23 @@ class ConnectionManager:
     
     async def broadcast(self, message: dict):
         """Broadcast message to all connected clients"""
-        for connection in self.active_connections:
+        print(f"\n[BROADCAST] Sending to {len(self.active_connections)} clients")
+        print(f"[BROADCAST] Message type: {message.get('type')}")
+        print(f"[BROADCAST] Message: {str(message)[:200]}...")
+        
+        sent_count = 0
+        error_count = 0
+        
+        for i, connection in enumerate(self.active_connections):
             try:
                 await connection.send_json(message)
-            except Exception:
-                pass
+                sent_count += 1
+                print(f"[BROADCAST] ✓ Sent to client #{i+1}")
+            except Exception as e:
+                error_count += 1
+                print(f"[BROADCAST] ✗ Failed to send to client #{i+1}: {e}")
+        
+        print(f"[BROADCAST] Result: {sent_count} sent, {error_count} failed")
 
 
 # Create connection manager