feta:优化AI回复

plugins/AIChat/main.py

@@ -828,6 +828,31 @@ class AIChat(PluginBase):
         if strip_thinking:
             cleaned = self._strip_thinking_content(cleaned)
 
+        # 清理模型偶发输出的“文本工具调用”痕迹（如 tavilywebsearch{query:...} / <ctrl46>）
+        # 这些内容既不是正常回复，也会破坏“工具只能用 Function Calling”的约束
+        try:
+            cleaned = re.sub(r"<ctrl\\d+>", "", cleaned, flags=re.IGNORECASE)
+            cleaned = re.sub(
+                r"(?:展开阅读下文\\s*)?(?:tavilywebsearch|tavily_web_search|web_search)\\s*\\{[^{}]{0,1500}\\}",
+                "",
+                cleaned,
+                flags=re.IGNORECASE,
+            )
+            cleaned = re.sub(
+                r"(?:tavilywebsearch|tavily_web_search|web_search)\\s*\\([^\\)]{0,1500}\\)",
+                "",
+                cleaned,
+                flags=re.IGNORECASE,
+            )
+            cleaned = cleaned.replace("展开阅读下文", "")
+            cleaned = re.sub(
+                r"（已触发工具处理：[^）]{0,300}结果将发送到聊天中。）",
+                "",
+                cleaned,
+            )
+        except Exception:
+            pass
+
         # 再跑一轮：部分模型会把“思考/最终”标记写成 Markdown，或在剥离标签后才露出标记
         if strip_markdown:
             cleaned = self._strip_markdown_syntax(cleaned)
@@ -855,6 +880,16 @@ class AIChat(PluginBase):
         if strip_thinking and cleaned and self._contains_thinking_markers(cleaned):
             return ""
 
+        # 长度限制：避免刷屏/上下文污染
+        max_chars = output_cfg.get("max_reply_chars")
+        try:
+            max_chars = int(max_chars) if max_chars is not None else 0
+        except Exception:
+            max_chars = 0
+
+        if max_chars and max_chars > 0 and cleaned and len(cleaned) > max_chars:
+            cleaned = cleaned[:max_chars].rstrip()
+
         if cleaned:
             return cleaned
 
@@ -2426,6 +2461,27 @@ class AIChat(PluginBase):
                     # 转换为列表
                     tool_calls_data = [tool_calls_dict[i] for i in sorted(tool_calls_dict.keys())] if tool_calls_dict else []
 
+                    # 过滤掉模型“幻觉出来”的工具调用（未在本次请求提供 tools 的情况下不应执行）
+                    allowed_tool_names = {
+                        t.get("function", {}).get("name", "")
+                        for t in (tools or [])
+                        if isinstance(t, dict) and t.get("function", {}).get("name")
+                    }
+                    if tool_calls_data:
+                        unsupported = []
+                        filtered = []
+                        for tc in tool_calls_data:
+                            fn = (tc or {}).get("function", {}).get("name", "")
+                            if not fn:
+                                continue
+                            if not allowed_tool_names or fn not in allowed_tool_names:
+                                unsupported.append(fn)
+                                continue
+                            filtered.append(tc)
+                        if unsupported:
+                            logger.warning(f"检测到未提供/未知的工具调用，已忽略: {unsupported}")
+                        tool_calls_data = filtered
+
                     logger.info(f"流式 API 响应完成, 内容长度: {len(full_content)}, 工具调用数: {len(tool_calls_data)}")
 
                     # 检查是否有函数调用
@@ -4240,6 +4296,27 @@ class AIChat(PluginBase):
                     tool_calls_data = [tool_calls_dict[i] for i in sorted(tool_calls_dict.keys())] if tool_calls_dict else []
 
                     # 检查是否有函数调用
+                    if tool_calls_data:
+                        # 过滤掉模型“幻觉出来”的工具调用（未在本次请求提供 tools 的情况下不应执行）
+                        allowed_tool_names = {
+                            t.get("function", {}).get("name", "")
+                            for t in (tools or [])
+                            if isinstance(t, dict) and t.get("function", {}).get("name")
+                        }
+                        unsupported = []
+                        filtered = []
+                        for tc in tool_calls_data:
+                            fn = (tc or {}).get("function", {}).get("name", "")
+                            if not fn:
+                                continue
+                            if not allowed_tool_names or fn not in allowed_tool_names:
+                                unsupported.append(fn)
+                                continue
+                            filtered.append(tc)
+                        if unsupported:
+                            logger.warning(f"[图片] 检测到未提供/未知的工具调用，已忽略: {unsupported}")
+                        tool_calls_data = filtered
+
                     if tool_calls_data:
                         # 提示已在流式处理中发送，直接启动异步工具执行
                         logger.info(f"[图片] 启动异步工具执行，共 {len(tool_calls_data)} 个工具")