fix(ci): remove default working-directory to avoid chdir error before checkout

.gitea/workflows/build.yml

@@ -20,19 +20,8 @@ jobs:
     runs-on: ubuntu
     container:
       image: node:22
-    defaults:
-      run:
-        working-directory: web
 
     steps:
-      - name: Verify Node.js
-        run: |
-          which node || echo "node not found in PATH"
-          node --version || echo "node command failed"
-          echo "PATH: $PATH"
-          export PATH="/usr/local/bin:$PATH"
-          node --version
-
       - name: Checkout repository
         uses: actions/checkout@v4
 
@@ -43,6 +32,7 @@ jobs:
 
       - name: Get pnpm store directory
         shell: bash
+        working-directory: web
         run: |
           echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_OUTPUT
         id: pnpm-cache
@@ -56,9 +46,11 @@ jobs:
             ${{ runner.os }}-pnpm-store-
 
       - name: Install dependencies
+        working-directory: web
         run: pnpm install --frozen-lockfile
 
       - name: Build
+        working-directory: web
         run: pnpm build
 
   docker: