ci: 自动检查pr的后端代码

.github/workflows/check-backend.yml

@@ -0,0 +1,53 @@
+name: Check Backend
+
+on:
+  pull_request:
+
+jobs:
+  check-backend:
+    runs-on: ubuntu-24.04
+
+    permissions:
+      contents: read
+      pull-requests: read
+
+    steps:
+      - name: Check backend changes
+        id: changes
+        uses: dorny/paths-filter@v3
+        with:
+          filters: |
+            backend:
+              - 'src-tauri/**'
+              - '.github/workflows/check-backend.yml'
+
+      - name: Skip backend checks when unchanged
+        if: steps.changes.outputs.backend != 'true'
+        run: echo "No backend changes detected, skipping backend checks."
+
+      - name: Checkout code
+        if: steps.changes.outputs.backend == 'true'
+        uses: actions/checkout@v4
+
+      - name: Setup Rust
+        if: steps.changes.outputs.backend == 'true'
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy
+
+      - name: Rust cache
+        if: steps.changes.outputs.backend == 'true'
+        uses: Swatinem/rust-cache@v2
+        with:
+          workspaces: src-tauri -> target
+
+      - name: Install dependencies
+        if: steps.changes.outputs.backend == 'true'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libwebkit2gtk-4.1-dev libappindicator3-dev librsvg2-dev patchelf
+
+      - name: Run Clippy
+        if: steps.changes.outputs.backend == 'true'
+        working-directory: src-tauri
+        run: cargo clippy -- -D warnings