feat: Update core agent logic, code execution utilities, and LLM configuration.

utils/extract_code.py

@@ -29,6 +29,22 @@ def extract_code_from_response(response: str) -> Optional[str]:
             end = response.find('```', start)
             if end != -1:
                 return response[start:end].strip()
+        
+        # 尝试提取 code: | 形式的代码块（针对YAML格式错误但结构清晰的情况）
+        import re
+        # 匹配 code: | 后面的内容，直到遇到下一个键（next_key:）或结尾
+        # 假设代码块至少缩进2个空格
+        pattern = r'code:\s*\|\s*\n((?: {2,}.*\n?)+)'
+        match = re.search(pattern, response)
+        if match:
+            code_block = match.group(1)
+            # 尝试去除公共缩进
+            try:
+                import textwrap
+                return textwrap.dedent(code_block).strip()
+            except:
+                return code_block.strip()
+
         elif '```' in response:
             start = response.find('```') + 3
             end = response.find('```', start)