fix: robust multi-ACTION parsing + error feedback on JSON parse failure

src/adapter.py

@@ -185,6 +185,17 @@ class DeepSeekWebAdapter(BaseAdapter):
                     await self._reply(task_id, sender_id, clean_msg, scope, private_to_id)
                 return
 
+            parse_errors = getattr(self, '_last_parse_errors', [])
+            if parse_errors:
+                error_detail = "\n".join(parse_errors[:3])
+                logger.warning(f"部分 ACTION 解析失败，通知 DeepSeek: {error_detail[:200]}")
+                await self.session.send_message(
+                    f"[执行结果]\n警告: 有 {len(parse_errors)} 个 ACTION 解析失败，可能是 JSON 格式错误。\n"
+                    f"请确保 JSON 中字符串的反斜杠用双反斜杠转义（如 D:\\\\work），逗号分隔正确。\n"
+                    f"失败的 ACTION 内容: {error_detail[:300]}\n\n"
+                    f"请重新输出正确的 ACTION。"
+                )
+
             has_executable = False
             result_parts = []
 
@@ -248,39 +259,56 @@ class DeepSeekWebAdapter(BaseAdapter):
         if not text:
             return []
 
-        action_pattern = r'<<<ACTION\s*\n?(\{[\s\S]*?\})\s*ACTION>>>'
-        action_matches = re.findall(action_pattern, text, re.DOTALL)
+        actions = []
+        parse_errors = []
+        pos = 0
 
-        if not action_matches:
+        while True:
+            start = text.find("<<<ACTION", pos)
+            if start == -1:
+                break
+
+            end = text.find("ACTION>>>", start)
+            if end == -1:
+                break
+
+            json_content = text[start + len("<<<ACTION"):end].strip()
+            pos = end + len("ACTION>>>")
+
+            if not json_content:
+                continue
+
+            try:
+                action = json.loads(json_content)
+
+                if action.get("type") == "write_file":
+                    content_start = text.find("<<<CONTENT", pos)
+                    content_end = text.find("CONTENT>>>", content_start) if content_start != -1 else -1
+                    if content_start != -1 and content_end != -1 and content_start < text.find("<<<ACTION", pos) if text.find("<<<ACTION", pos) != -1 else True:
+                        action["content"] = text[content_start + len("<<<CONTENT"):content_end].strip()
+                        pos = content_end + len("CONTENT>>>")
+                    else:
+                        action["content"] = ""
+
+                actions.append(action)
+            except json.JSONDecodeError as e:
+                logger.warning(f"JSON 解析失败: {e}, content: {json_content[:100]}")
+                parse_errors.append(json_content[:200])
+
+        if parse_errors and not actions:
             if "<<<ACTION" in text and "ACTION>>>" in text:
                 try:
                     start = text.find("<<<ACTION") + len("<<<ACTION")
                     end = text.find("ACTION>>>")
                     json_content = text[start:end].strip()
                     if json_content.startswith("{") and json_content.endswith("}"):
-                        action_matches = [json_content]
-                except Exception:
-                    return []
-            else:
-                return []
-
-        actions = []
-        for json_str in action_matches:
-            try:
-                action = json.loads(json_str.strip())
-
-                if action.get("type") == "write_file":
-                    content_pattern = r'<<<CONTENT\s*\n?(.*?)\s*CONTENT>>>'
-                    content_match = re.search(content_pattern, text, re.DOTALL)
-                    if content_match:
-                        action["content"] = content_match.group(1)
-                    else:
-                        action["content"] = ""
-
+                        action = json.loads(json_content)
                         actions.append(action)
-            except json.JSONDecodeError as e:
-                logger.warning(f"JSON 解析失败: {e}")
+                        parse_errors.clear()
+                except Exception:
+                    pass
 
+        self._last_parse_errors = parse_errors
         return actions
 
     def _clean_action_markers(self, text: str) -> str: