新增插件admin，并在models中新增PluginDataManager类

plugins/admin.py

@@ -0,0 +1,115 @@
+from core import PluginDataManager
+from core.bot import Bot
+from core.command_manager import matcher
+from models import GroupMessageEvent
+
+__plugin_meta__ = {
+    "name": "admin",
+    "description": "机器人权限管理插件",
+    "usage": "/admin",
+}
+
+data = PluginDataManager("admin")
+
+
+@matcher.command("admin")
+async def handle_permission(bot: Bot, event: GroupMessageEvent, args: list[str]):
+    if not args:
+        await event.reply(
+            "机器人权限管理插件指令:\n/admin list 列出所有权限\n/admin add member <QQ号> 添加群成员权限\n/admin remove member <QQ号> 删除群成员权限\n/admin add group <群号> 添加群权限\n/admin remove group <群号> 删除群权限\n/admin clear member 清空群成员权限\n/admin clear group 清空群权限\n/admin clear all 清空所有权限"
+        )
+        return
+
+    if str(event.user_id) not in data.get("members", []):
+        await event.reply("你没有权限使用此命令。")
+        return
+    if str(event.group_id) not in data.get("groups", []):
+        await event.reply("群聊不在权限中")
+        return
+
+    action = args[0].lower()
+
+    # ensure storage keys exist
+    members = data.get("members", []) or []
+    groups = data.get("groups", []) or []
+
+    if action == "list":
+        msg_lines = ["当前权限列表:"]
+        msg_lines.append(
+            f"群成员权限 ({len(members)}): {', '.join(members) if members else '无'}"
+        )
+        msg_lines.append(
+            f"群权限 ({len(groups)}): {', '.join(groups) if groups else '无'}"
+        )
+        await event.reply("\n".join(msg_lines))
+        return
+
+    if action in ("add", "remove"):
+        if len(args) < 3:
+            await event.reply("参数错误，示例：/admin add member 123456")
+            return
+
+        target = args[1].lower()
+        value = args[2]
+
+        if target == "member":
+            # operate on members list
+            if action == "add":
+                if str(value) in members:
+                    await event.reply(f"成员 {value} 已存在，无需重复添加。")
+                    return
+                members.append(str(value))
+                data.set("members", members)
+                await event.reply(f"已添加群成员权限：{value}")
+                return
+            else:  # remove
+                if str(value) not in members:
+                    await event.reply(f"成员 {value} 不在权限列表中。")
+                    return
+                members = [m for m in members if m != str(value)]
+                data.set("members", members)
+                await event.reply(f"已移除群成员权限：{value}")
+                return
+
+        if target == "group":
+            if action == "add":
+                if str(value) in groups:
+                    await event.reply(f"群 {value} 已存在，无需重复添加。")
+                    return
+                groups.append(str(value))
+                data.set("groups", groups)
+                await event.reply(f"已添加群权限：{value}")
+                return
+            else:  # remove
+                if str(value) not in groups:
+                    await event.reply(f"群 {value} 不在权限列表中。")
+                    return
+                groups = [g for g in groups if g != str(value)]
+                data.set("groups", groups)
+                await event.reply(f"已移除群权限：{value}")
+                return
+
+        await event.reply("未知目标类型，请使用 member 或 group")
+        return
+
+    if action == "clear":
+        if len(args) < 2:
+            await event.reply("参数错误，示例：/admin clear member")
+            return
+        target = args[1].lower()
+        if target == "member":
+            data.set("members", [])
+            await event.reply("已清空群成员权限。")
+            return
+        if target == "group":
+            data.set("groups", [])
+            await event.reply("已清空群权限。")
+            return
+        if target == "all":
+            data.clear()
+            await event.reply("已清空所有权限。")
+            return
+        await event.reply("未知清空目标，请使用 member/group/all")
+        return
+
+    await event.reply("未知指令，使用 /admin 查看帮助")