ci: checkout with --branch ref_name

.ci-trigger

@@ -0,0 +1 @@
+ci trigger 20260822T062156Z

.gitea/workflows/deploy.yml

@@ -1,3 +1,4 @@
+# deployed by gitea act_runner (push to main/dev triggers this)
 name: Build and Deploy (app.xpcool.com)
 
 on:
@@ -9,13 +10,24 @@ jobs:
   build-and-deploy:
     runs-on: ubuntu-latest
     steps:
-      - name: Install git (node image has no git)
-        run: apt-get update && apt-get install -y git
+      - name: Install git (Tencent mirror apt)
+        run: |
+          sed -i 's|deb.debian.org|mirrors.cloud.tencent.com|g; s|security.debian.org|mirrors.cloud.tencent.com|g' /etc/apt/sources.list 2>/dev/null || true
+          sed -i 's|deb.debian.org|mirrors.cloud.tencent.com|g; s|security.debian.org|mirrors.cloud.tencent.com|g' /etc/apt/sources.list.d/debian.sources 2>/dev/null || true
+          apt-get update
+          apt-get install -y git
 
-      - name: Checkout
-        uses: actions/checkout@v4
+      - name: Checkout (local Gitea, no external actions)
+        run: |
+          git clone --depth 1 --branch "${{ github.ref_name }}" https://oauth2:${{ github.token }}@git.xpcool.com/${{ github.repository }}.git .
+          git checkout ${{ github.sha }}
+
+      - name: Use npmmirror registry (faster in CN)
+        run: npm config set registry https://registry.npmmirror.com
 
       - name: Enable pnpm via corepack
+        env:
+          COREPACK_NPM_REGISTRY: https://registry.npmmirror.com
         run: |
           corepack enable
           corepack prepare pnpm@10 --activate