fix: rebuild MES as compilable go-zero+ent backend (renamed bj_power_mes), restore 3 workstation projects from pristine original, align naming; all Go projects go build clean

bj_power_mes/frontend/package.json

@@ -3,6 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "type": "module",
+  "packageManager": "pnpm@10.26.1",
   "scripts": {
     "dev": "vite",
     "build": "tsc && vite build",
@@ -49,7 +50,7 @@
     "eslint-plugin-react-refresh": "^0.4.20",
     "mockjs": "^1.1.0",
     "prettier": "^3.6.2",
-    "sass": "^1.101.0",
+    "sass-embedded": "^1.92.1",
     "typescript": "~6.0.2",
     "typescript-eslint": "^8.58.1",
     "vite": "^7.3.2",