Add debug logging and remove instructions section

app.py

@@ -29,16 +29,21 @@ def image_to_base64(image):
 
 def call_step_api_stream(message, history, temperature, max_tokens, image=None):
     """调用Step API进行流式对话"""
+    print(f"[DEBUG] Starting API call - Message: {message}, Has Image: {image is not None}")
     
     if not message and not image:
+        print("[DEBUG] No message or image provided")
         yield history
         return
     
     if not STEP_API_KEY:
+        print("[DEBUG] API key not configured")
         history.append([message or "[Image]", "❌ API key not configured. Please add STEP_API_KEY in Settings."])
         yield history
         return
     
+    print(f"[DEBUG] API Key exists: {bool(STEP_API_KEY)}")
+    
     # 构造消息历史
     messages = []
     
@@ -78,17 +83,23 @@ def call_step_api_stream(message, history, temperature, max_tokens, image=None):
     
     # 添加到历史记录
     history.append([display_message, ""])
+    yield history  # 立即显示用户消息
+    
+    print(f"[DEBUG] Messages to send: {messages}")
     
     # 创建客户端
     try:
         client = OpenAI(api_key=STEP_API_KEY, base_url=BASE_URL)
+        print("[DEBUG] Client created successfully")
     except Exception as e:
+        print(f"[DEBUG] Client initialization failed: {e}")
         history[-1][1] = f"❌ Client initialization failed: {str(e)}"
         yield history
         return
     
     # 调用API
     try:
+        print("[DEBUG] Calling API...")
         response = client.chat.completions.create(
             model="step-3",
             messages=messages,
@@ -96,18 +107,32 @@ def call_step_api_stream(message, history, temperature, max_tokens, image=None):
             max_tokens=max_tokens,
             stream=True
         )
+        print("[DEBUG] API call successful, processing stream...")
         
         # 处理流式响应
         full_response = ""
+        chunk_count = 0
         for chunk in response:
+            chunk_count += 1
             if chunk.choices and len(chunk.choices) > 0:
                 delta = chunk.choices[0].delta
                 if hasattr(delta, 'content') and delta.content:
                     full_response += delta.content
                     history[-1][1] = full_response
+                    print(f"[DEBUG] Chunk {chunk_count}: {delta.content[:50] if delta.content else 'None'}...")
                     yield history
+        
+        if not full_response:
+            print("[DEBUG] No response content received")
+            history[-1][1] = "⚠️ No response received from API"
+            yield history
+        else:
+            print(f"[DEBUG] Final response length: {len(full_response)} chars")
                     
     except Exception as e:
+        print(f"[DEBUG] API request failed: {e}")
+        import traceback
+        traceback.print_exc()
         history[-1][1] = f"❌ API request failed: {str(e)}"
         yield history
 
@@ -187,13 +212,7 @@ with gr.Blocks(title="Step-3", theme=gr.themes.Soft()) as demo:
                 interactive=True
             )
             
-            gr.Markdown("""
-            ### 📝 Instructions
-            - Multi-turn conversation support
-            - Upload images for analysis
-            - Pure text conversation support
-            - Context preserved in history
-            """)
+
     
     # 事件处理
     msg.submit(
@@ -237,6 +256,8 @@ with gr.Blocks(title="Step-3", theme=gr.themes.Soft()) as demo:
 
 # 启动应用
 if __name__ == "__main__":
+    print(f"[DEBUG] Starting app with API key: {'Set' if STEP_API_KEY else 'Not set'}")
+    print(f"[DEBUG] Base URL: {BASE_URL}")
     demo.queue(max_size=10)
     demo.launch(
         share=False,