尝试整合工具和插件系统

plugins/hello_world_plugin/_manifest.json

@@ -1,53 +0,0 @@
-{
-  "manifest_version": 1,
-  "name": "Hello World 示例插件 (Hello World Plugin)",
-  "version": "1.0.0",
-  "description": "我的第一个MaiCore插件，包含问候功能和时间查询等基础示例",
-  "author": {
-    "name": "MaiBot开发团队",
-    "url": "https://github.com/MaiM-with-u"
-  },
-  "license": "GPL-v3.0-or-later",
-  
-  "host_application": {
-    "min_version": "0.8.0"
-  },
-  "homepage_url": "https://github.com/MaiM-with-u/maibot",
-  "repository_url": "https://github.com/MaiM-with-u/maibot",
-  "keywords": ["demo", "example", "hello", "greeting", "tutorial"],
-  "categories": ["Examples", "Tutorial"],
-  
-  "default_locale": "zh-CN",
-  "locales_path": "_locales",
-  
-  "plugin_info": {
-    "is_built_in": false,
-    "plugin_type": "example",
-    "components": [
-      {
-        "type": "action",
-        "name": "hello_greeting",
-        "description": "向用户发送问候消息"
-      },
-      {
-        "type": "action",
-        "name": "bye_greeting", 
-        "description": "向用户发送告别消息",
-        "activation_modes": ["keyword"],
-        "keywords": ["再见", "bye", "88", "拜拜"]
-      },
-      {
-        "type": "command",
-        "name": "time",
-        "description": "查询当前时间",
-        "pattern": "/time"
-      }
-    ],
-    "features": [
-      "问候和告别功能",
-      "时间查询命令",
-      "配置文件示例",
-      "新手教程代码"
-    ]
-  }
-}