please god work

vr180_matting/checkpoint_manager.py

@@ -140,12 +140,25 @@ class CheckpointManager:
     def get_completed_chunk_files(self) -> List[Path]:
         """Get list of all completed chunk files in order"""
         chunk_files = []
+        missing_chunks = []
+        
         for i in range(self.status['total_chunks']):
             chunk_file = self.get_chunk_file(i)
             if chunk_file:
                 chunk_files.append(chunk_file)
             else:
-                break  # Stop at first missing chunk
+                # Check if chunk is marked as completed but file is missing
+                if self.is_chunk_completed(i):
+                    missing_chunks.append(i)
+                    print(f"⚠️  Chunk {i} marked complete but file missing!")
+                else:
+                    break  # Stop at first unprocessed chunk
+        
+        if missing_chunks:
+            print(f"❌ Missing checkpoint files for chunks: {missing_chunks}")
+            print(f"   This may happen if files were deleted during streaming merge")
+            print(f"   These chunks may need to be reprocessed")
+        
         return chunk_files
     
     def mark_processing_complete(self):