Add model path debug output on startup

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

handler.py

@@ -53,6 +53,19 @@ def start_comfyui():
     if comfyui_process is not None and comfyui_process.poll() is None:
         return True
 
+    # Debug: show model paths
+    print("=== Model Path Debug ===")
+    import subprocess
+    for path in ["/runpod-volume", "/runpod-volume/models", "/workspace/ComfyUI/models"]:
+        result = subprocess.run(["ls", "-la", path], capture_output=True, text=True)
+        print(f"{path}:")
+        print(result.stdout[:500] if result.stdout else f"  Error: {result.stderr}")
+
+    # Find any .safetensors files
+    result = subprocess.run(["find", "/runpod-volume", "-name", "*.safetensors", "-type", "f"],
+                          capture_output=True, text=True, timeout=30)
+    print(f"Safetensors on volume:\n{result.stdout[:1000] if result.stdout else 'None found'}")
+
     print("Starting ComfyUI server...")
 
     comfyui_process = subprocess.Popen(