重构插件入口与runtime安装流程

.codex-plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "codex-game-studios",
-  "version": "0.1.1",
-  "description": "A Codex plugin for building game-production workflows step by step, starting with guided game concept brainstorming.",
+  "version": "0.2.0",
+  "description": "A Codex plugin for game-production workflows, project runtime setup, and guided game concept brainstorming.",
   "author": {
     "name": "wxm",
     "email": "18854896936@163.com",
@@ -14,6 +14,7 @@
     "games",
     "game-development",
     "studio-workflow",
+    "runtime-setup",
     "brainstorm",
     "gdd"
   ],
@@ -21,7 +22,7 @@
   "interface": {
     "displayName": "Codex Game Studios",
     "shortDescription": "Game-production workflows for Codex",
-    "longDescription": "Build a Codex game-production plugin step by step. The current workflow starts with /brainstorm, a guided concept ideation process that turns a rough idea into a structured game concept document.",
+    "longDescription": "Codex Game Studios exposes plugin-native skills for initializing game projects, installing bundled director agents, and guiding concept ideation into structured game design documentation.",
     "developerName": "wxm",
     "category": "Coding",
     "capabilities": [
@@ -33,7 +34,9 @@
     "privacyPolicyURL": "https://gitea.wuxianming.ac.cn/wxm/codex-game-studios",
     "termsOfServiceURL": "https://gitea.wuxianming.ac.cn/wxm/codex-game-studios",
     "defaultPrompt": [
-      "Run /brainstorm for my game project."
+      "Use $setup-runtime to initialize this game project.",
+      "Use $brainstorm to shape my game concept.",
+      "Use $using-codex-game-studios to explain the workflow."
     ],
     "brandColor": "#0F766E",
     "composerIcon": "./assets/codex-game-studio.svg",