[feat] delete specific result after being processed

app.py

@@ -51,18 +51,28 @@ def reflection_removal(input_image, preprocess_type="resize_and_crop", session_i
     ]
     subprocess.run(cmd, check=True)
 
+    result_files = []
     for root, _, files in os.walk(RESULTS_DIR):
         for file in files:
             if file.startswith(input_filename) and file.endswith("_fake.png"):
                 result_path = os.path.join(root, file)
                 output_image = Image.open(result_path)
-
-                clear_session_files(session_id)
-                return output_image
+                result_files.append(result_path)
+                
+                os.remove(result_path)
+            elif file.startswith(input_filename) and file.endswith("_real.png"):
+                real_path = os.path.join(root, file)
+                result_files.append(real_path)
+                
+                os.remove(real_path)
 
     clear_session_files(session_id)
+
+    if result_files:
+        return output_image
     return "No results found."
 
+
 def clear_session_files(session_id):
     session_dir = os.path.join("./sessions", session_id)
     if os.path.exists(session_dir):