新增robot_menu指令清单展示能力

变更项：

1. 新增“菜单 指令清单、菜单 指令、菜单 命令清单”入口，返回本群可用触发指令。

2. 从功能描述方括号中自动提取命令并去重，生成可直接复制的指令列表。

3. 优化主菜单文案，增加“常用指令清单”区块，帮助用户快速上手。

4. 扩展@语义关键词，支持“指令清单、命令清单”等问法触发菜单。

plugins/robot_menu/main.py

@@ -24,6 +24,10 @@ class RobotMenuPlugin(MessagePluginInterface):
         "功能清单",
         "功能菜单",
         "功能列表",
+        "指令清单",
+        "命令清单",
+        "指令",
+        "命令",
         "菜单",
         "怎么用",
         "如何用",
@@ -145,6 +149,31 @@ class RobotMenuPlugin(MessagePluginInterface):
             first = first.split("-", 1)[0].strip()
         return first or "请发送“菜单”查看"
 
+    @staticmethod
+    def _extract_command_candidates(description: str) -> List[str]:
+        """
+        从 Feature.description 中提取可触发命令列表
+        例如: [菜单 - 显示功能菜单 | 菜单 状态 - 显示功能状态]
+        -> ["菜单", "菜单 状态"]
+        """
+        desc = str(description or "")
+        match = re.search(r"\[(.*?)\]", desc)
+        if not match:
+            return []
+        inner = match.group(1).strip()
+        if not inner:
+            return []
+        commands: List[str] = []
+        for part in inner.split("|"):
+            item = part.strip()
+            if not item:
+                continue
+            if "-" in item:
+                item = item.split("-", 1)[0].strip()
+            if item:
+                commands.append(item)
+        return commands
+
     @staticmethod
     def _extract_brief_from_description(description: str) -> str:
         desc = str(description or "")
@@ -196,6 +225,37 @@ class RobotMenuPlugin(MessagePluginInterface):
             result += f"{feature['id']}. {feature['name']} | 触发：{usage} | {brief}\n"
         return result.strip()
 
+    def _collect_group_commands(self, group_id: str) -> List[str]:
+        enabled_features = self._get_enabled_feature_items(group_id)
+        if not enabled_features:
+            return []
+        ordered: List[str] = []
+        seen = set()
+        for feature in enabled_features:
+            for cmd in self._extract_command_candidates(feature.get("description", "")):
+                key = self._normalize_text(cmd)
+                if not key or key in seen:
+                    continue
+                seen.add(key)
+                ordered.append(cmd)
+        return ordered
+
+    def build_command_list_text(self, group_id: str) -> str:
+        """仅输出本群可用的触发指令清单"""
+        if group_id not in GroupBotManager.local_cache["group_list"]:
+            return "当前群未开通机器人功能，请联系管理员开启。"
+
+        commands = self._collect_group_commands(group_id)
+        if not commands:
+            return "当前群暂无可用指令。"
+
+        lines = ["本群指令清单：", "复制以下任一指令发送即可触发。", ""]
+        for idx, cmd in enumerate(commands, start=1):
+            lines.append(f"{idx}. {cmd}")
+        lines.append("")
+        lines.append("提示：发送“菜单”查看功能说明。")
+        return "\n".join(lines).strip()
+
     def build_user_friendly_menu(self, group_id: str) -> str:
         """构建给普通群成员看的直观功能菜单"""
         if group_id not in GroupBotManager.local_cache["group_list"]:
@@ -205,11 +265,19 @@ class RobotMenuPlugin(MessagePluginInterface):
         if not enabled_features:
             return "当前群暂无可用功能。"
 
+        command_list = self._collect_group_commands(group_id)
+
         lines = [
             "本群已开通功能：",
             "直接复制“触发”里的命令发送即可。",
             "",
         ]
+        if command_list:
+            lines.append("常用指令清单：")
+            for idx, cmd in enumerate(command_list, start=1):
+                lines.append(f"{idx}. {cmd}")
+            lines.append("")
+
         for idx, feature in enumerate(enabled_features, start=1):
             usage = self._extract_usage_from_description(feature["description"])
             brief = self._extract_brief_from_description(feature["description"])
@@ -298,6 +366,12 @@ class RobotMenuPlugin(MessagePluginInterface):
                 revoke.add_message_to_revoke(target, client_msg_id, create_time, new_msg_id, 90)
                 return True, "显示功能状态"
 
+            if cmd_name in ["指令", "指令清单", "命令", "命令清单"]:
+                list_text = self.build_command_list_text(roomid if roomid else sender)
+                client_msg_id, create_time, new_msg_id = await bot.send_text_message(target, list_text, sender)
+                revoke.add_message_to_revoke(target, client_msg_id, create_time, new_msg_id, 120)
+                return True, "显示指令清单"
+
             # 处理群列表命令
             if cmd_name.upper() == "群列表":
                 group_list_text = self.get_group_list()