chore: 移除废弃的 build-hub workflow，格式化测试代码

.github/workflows/build-hub.yml

@@ -1,91 +0,0 @@
-name: Build aether-hub
-
-on:
-  push:
-    tags: ['hub-v*']
-  workflow_dispatch:
-
-permissions:
-  contents: write
-
-jobs:
-  build:
-    name: ${{ matrix.name }}
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - name: linux-amd64
-            target: x86_64-unknown-linux-gnu
-            use_cross: true
-          - name: linux-arm64
-            target: aarch64-unknown-linux-gnu
-            use_cross: true
-
-    steps:
-      - uses: actions/checkout@v5
-
-      - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          targets: ${{ matrix.target }}
-
-      - name: Rust cache
-        uses: Swatinem/rust-cache@v2
-        with:
-          workspaces: aether-hub -> target
-          key: ${{ matrix.target }}
-
-      - name: Install cross
-        if: matrix.use_cross
-        uses: taiki-e/install-action@cross
-
-      - name: Build
-        working-directory: aether-hub
-        shell: bash
-        run: |
-          if [ "${{ matrix.use_cross }}" = "true" ]; then
-            cross build --release --target ${{ matrix.target }}
-          else
-            cargo build --release --target ${{ matrix.target }}
-          fi
-
-      - name: Package
-        shell: bash
-        run: |
-          cd aether-hub/target/${{ matrix.target }}/release
-          chmod +x aether-hub
-          tar czf ../../../../aether-hub-${{ matrix.name }}.tar.gz aether-hub
-
-      - name: Upload artifact
-        uses: actions/upload-artifact@v5
-        with:
-          name: aether-hub-${{ matrix.name }}
-          path: aether-hub-*.tar.gz
-          if-no-files-found: error
-
-  release:
-    needs: build
-    runs-on: ubuntu-latest
-    if: startsWith(github.ref, 'refs/tags/')
-    steps:
-      - name: Download all artifacts
-        uses: actions/download-artifact@v5
-        with:
-          merge-multiple: true
-          path: artifacts
-
-      - name: Generate checksums
-        working-directory: artifacts
-        run: sha256sum aether-hub-* > SHA256SUMS.txt
-
-      - name: Create GitHub Release
-        uses: softprops/action-gh-release@v2
-        with:
-          name: "${{ github.ref_name }}"
-          generate_release_notes: true
-          files: |
-            artifacts/aether-hub-*
-            artifacts/SHA256SUMS.txt
-          fail_on_unmatched_files: true