Surface exception details in analyze() response for debugging

app.py

@@ -89,21 +89,25 @@ def analyze(image_b64: str, extra_notes: str, api_key: str) -> str:
         ],
     }]
 
-    inputs = processor.apply_chat_template(
-        messages,
-        tokenize=True,
-        add_generation_prompt=True,
-        return_dict=True,
-        return_tensors="pt",
-    ).to("cuda")
-
-    model.to("cuda")
-    with torch.no_grad():
-        output_ids = model.generate(**inputs, max_new_tokens=900, do_sample=False)
-
-    generated = output_ids[0][inputs.input_ids.shape[1]:]
-    raw = processor.decode(generated, skip_special_tokens=True)
-    return _extract_json(raw)
+    try:
+        inputs = processor.apply_chat_template(
+            messages,
+            tokenize=True,
+            add_generation_prompt=True,
+            return_dict=True,
+            return_tensors="pt",
+        ).to("cuda")
+
+        model.to("cuda")
+        with torch.no_grad():
+            output_ids = model.generate(**inputs, max_new_tokens=900, do_sample=False)
+
+        generated = output_ids[0][inputs.input_ids.shape[1]:]
+        raw = processor.decode(generated, skip_special_tokens=True)
+        return _extract_json(raw)
+    except Exception as e:
+        import traceback
+        return json.dumps({"error": f"{type(e).__name__}: {e}", "trace": traceback.format_exc()[-1500:]})
 
 
 demo = gr.Interface(