Updated Code

utils/prompt_manager.py

@@ -169,6 +169,7 @@ Requirements:
 8. Include comments explaining key parts
 9. Keep animations under {ANIMATION_CONSTANTS['MAX_DURATION']} seconds total duration
 10. Use appropriate wait times between animations (between {ANIMATION_CONSTANTS['MIN_WAIT_TIME']} and {ANIMATION_CONSTANTS['MAX_WAIT_TIME']} seconds)
+11. To set background color, use: self.camera.background_color = WHITE
 
 Structure:
 ```python
@@ -176,6 +177,9 @@ from manim import *
 
 class GeneratedScene(Scene):
     def construct(self):
+        # Set background color
+        self.camera.background_color = WHITE
+        
         # Your animation code here
         pass
 ```

utils/renderer.py

@@ -112,20 +112,20 @@ class VideoRenderer:
                     return True, video_file, process.stdout
                 else:
                     self._record_metrics(False, "NoVideoFile")
-                    return False, "No video file generated", process.stderr
+                    return False, "Rendering completed but no video file was found", ""
             else:
                 self._record_metrics(False, "RenderingFailed")
-                return False, process.stderr, process.stdout
+                return False, "Rendering failed. Please check your scene code.", ""
                 
         except subprocess.TimeoutExpired:
             self._record_metrics(False, "TimeoutError")
-            return False, "Rendering timeout exceeded", ""
+            return False, "Rendering took too long and was stopped", ""
             
         except Exception as e:
             logger.error(f"Error rendering video: {e}")
             self._record_metrics(False, "RenderingError")
             ErrorHandler.handle_error(ErrorType.RENDERING_ERROR, str(e))
-            return False, f"Rendering error: {str(e)}", ""
+            return False, "An error occurred during rendering", ""
     
     @property
     def estimated_render_time(self) -> int: