feat: 添加每日 R2 画廊同步工作流

Signed-off-by: wangsimiao1 <wangsimiao1@xiaomi.com>

Author: WangSimiao2000

.github/workflows/r2-gallery-sync.yml

@@ -0,0 +1,56 @@
+name: "Daily R2 Gallery Sync"
+
+on:
+  schedule:
+    # 每天 UTC 16:00（北京时间 00:00）检查一次
+    - cron: "0 16 * * *"
+
+  # 也支持手动触发
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+
+      - name: Install AWS CLI
+        run: pip install awscli --quiet
+
+      - name: Generate gallery from R2
+        env:
+          R2_ACCOUNT_ID: ${{ secrets.R2_ACCOUNT_ID }}
+          R2_ACCESS_KEY_ID: ${{ secrets.R2_ACCESS_KEY_ID }}
+          R2_SECRET_ACCESS_KEY: ${{ secrets.R2_SECRET_ACCESS_KEY }}
+          R2_BUCKET_NAME: ${{ secrets.R2_BUCKET_NAME }}
+          R2_PUBLIC_URL: ${{ secrets.R2_PUBLIC_URL }}
+          AWS_ACCESS_KEY_ID: ${{ secrets.R2_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.R2_SECRET_ACCESS_KEY }}
+          AWS_DEFAULT_REGION: auto
+        run: bash _scripts/generate-gallery-r2.sh
+
+      - name: Check for changes
+        id: diff
+        run: |
+          if git diff --quiet _data/gallery.yml; then
+            echo "changed=false" >> "$GITHUB_OUTPUT"
+            echo "R2 照片无变化，跳过更新"
+          else
+            echo "changed=true" >> "$GITHUB_OUTPUT"
+            echo "检测到 R2 照片更新："
+            git diff --stat _data/gallery.yml
+          fi
+
+      - name: Commit and push
+        if: steps.diff.outputs.changed == 'true'
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add _data/gallery.yml
+          git commit -m "chore: sync gallery from R2 [auto]"
+          git push