update

app.py

@@ -33,6 +33,8 @@ with open(_PROMPT_FILE, "r") as f:
 
 def rewrite_prompt(user_prompt: str) -> str:
     """Rewrite user prompt into the model's required format via LLM API."""
+    print(f"[Rewrite] Starting rewrite, input length={len(user_prompt)} chars")
+    print(f"[Rewrite] User prompt: {user_prompt[:100]}...")
     try:
         resp = _rewrite_client.chat.completions.create(
             model=_REWRITE_MODEL,
@@ -44,9 +46,11 @@ def rewrite_prompt(user_prompt: str) -> str:
             max_tokens=1024,
         )
         rewritten = resp.choices[0].message.content.strip()
+        print(f"[Rewrite] Done, output length={len(rewritten)} chars")
+        print(f"[Rewrite] Rewritten: {rewritten[:150]}...")
         return rewritten
     except Exception as e:
-        print(f"[Rewrite] LLM rewrite failed: {e}, using original prompt")
+        print(f"[Rewrite] FAILED: {e}, using original prompt")
         return user_prompt
 
 
@@ -61,9 +65,11 @@ def run_generation(image, prompt, seed, seconds):
         raise gr.Error("Please enter a text prompt.")
 
     # Step 1: Rewrite prompt via LLM
+    print(f"[Generate] Request received: seed={seed} seconds={seconds} prompt={prompt[:50]!r}")
     rewritten = rewrite_prompt(prompt.strip())
 
     # Step 2: Send to router
+    print(f"[Generate] Sending to router ...")
     result = generate(
         image=image,
         video_prompt=rewritten,
@@ -73,13 +79,15 @@ def run_generation(image, prompt, seed, seconds):
     )
 
     if result["error"]:
-        raise gr.Error(result["error"])
+        print(f"[Generate] Error from router: {result['error']}")
+        return None, rewritten, f"Error: {result['error']}"
 
     video_path = result["video_path"]
     if not video_path or not os.path.isfile(video_path):
-        raise gr.Error("Video file not found.")
+        return None, rewritten, "Error: Video file not found."
 
     status = f"Done. seed={result['seed']}"
+    print(f"[Generate] Success: {video_path}")
     return video_path, rewritten, status