Create sync-upstream.yml

.github/workflows/sync-upstream.yml

@@ -0,0 +1,34 @@
+name: 🔄 同步冰朔上游仓库
+
+on:
+  schedule:
+    - cron: '0 2 * * *'
+  workflow_dispatch:
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          token: $ secrets.GITHUB_TOKEN 
+
+      - name: 配置 Git
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+
+      - name: 添加上游仓库（冰朔）
+        run: |
+          git remote add upstream https://github.com/qinfendebingshuo/guanghulab.git || true
+          git fetch upstream
+
+      - name: 合并上游更新到主分支
+        run: |
+          git checkout main
+          git merge upstream/main --no-edit --allow-unrelated-histories
+
+      - name: 推送到你的仓库
+        run: git push origin main