fix: enable CI environment variable for frontend build and update build script

.gitea/workflows/build.yml

@@ -31,10 +31,10 @@ jobs:
       - name: Build frontend bundle
         working-directory: frontend
         env:
-          CI: "false"
+          CI: "true"
         run: |
-          npm install
-          CI=false npm run build
+          npm ci
+          npm run build
 
       - name: Archive frontend dist
         run: |

frontend/package.json

@@ -5,7 +5,8 @@
   "type": "module",
   "scripts": {
     "dev": "vite",
-    "build": "tsc -b && vite build",
+    "build": "vite build",
+    "build:ci": "tsc --noEmit && vite build",
     "preview": "vite preview",
     "lint": "eslint . --max-warnings=0",
     "lint:fix": "eslint . --fix",