feat: OpenClaw 4.9 全面适配 (v0.12.0)

- 推荐内核统一升级至 2026.4.9 / 2026.4.9-zh.2
- standalone 安装兼容 edition 格式 latest.json + openclaw-zh- 文件名前缀
- standalone 三级降级: R2 CDN → GitHub Releases → npm
- pre_install_cleanup 所有命令加 10s 超时保护（修复安装卡死）
- npm uninstall 加 30s 超时保护
- wmic 全部迁移到 PowerShell（兼容 Windows 11）
- standalone 下载增加文字进度显示

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "clawpanel",
-  "version": "0.11.6",
+  "version": "0.12.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "clawpanel",
-      "version": "0.11.6",
+      "version": "0.12.0",
       "license": "AGPL-3.0",
       "dependencies": {
         "@tauri-apps/api": "^2.5.0",