feat(ci): add musl CLI E2E test

Add cli-e2e-test-musl job that builds with musl target and runs
directly on ubuntu-latest (musl binaries are statically linked).
Includes full test parity with the glibc variant: vp check, global
package install, CLI snapshot tests, upgrade, and implode.

Author: fengmk2

.github/workflows/ci.yml

@@ -99,9 +99,6 @@ jobs:
           cache-key: test
           target-dir: ${{ runner.os == 'Windows' && format('{0}/target', env.DEV_DRIVE) || '' }}
 
-      - run: rustup target add x86_64-unknown-linux-musl
-        if: ${{ matrix.os == 'ubuntu-latest' }}
-
       - run: cargo check --all-targets --all-features
         env:
           RUSTFLAGS: '-D warnings --cfg tokio_unstable' # also update .cargo/config.toml
@@ -573,6 +570,159 @@ jobs:
           pnpm bootstrap-cli:ci
           vp --version
 
+  cli-e2e-test-musl:
+    name: CLI E2E test (Linux x64 musl)
+    needs:
+      - download-previous-rolldown-binaries
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      - uses: ./.github/actions/clone
+
+      - uses: oxc-project/setup-rust@d286d43bc1f606abbd98096666ff8be68c8d5f57 # v1.0.0
+        with:
+          save-cache: ${{ github.ref_name == 'main' }}
+          cache-key: cli-e2e-test-musl
+
+      - uses: oxc-project/setup-node@fdbf0dfd334c4e6d56ceeb77d91c76339c2a0885 # v1.0.4
+
+      - name: Install docs dependencies
+        run: pnpm -C docs install --frozen-lockfile
+
+      - uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
+        with:
+          name: rolldown-binaries
+          path: ./rolldown/packages/rolldown/src
+          merge-multiple: true
+
+      - name: Build with upstream (musl)
+        uses: ./.github/actions/build-upstream
+        with:
+          target: x86_64-unknown-linux-musl
+
+      - name: Install Global CLI vp
+        run: |
+          pnpm bootstrap-cli:ci
+          echo "$HOME/.vite-plus/bin" >> $GITHUB_PATH
+
+      - name: Verify vp installation
+        run: |
+          which vp
+          vp --version
+          vp -h
+
+      - name: Run vp check
+        run: vp check
+
+      - name: Test global package install (bash)
+        run: |
+          echo "PATH: $PATH"
+          ls -la ~/.vite-plus/
+          ls -la ~/.vite-plus/bin/
+          which node
+          which npm
+          which npx
+          which vp
+          vp env doctor
+
+          # Test 1: Install a JS-based CLI (typescript)
+          vp install -g typescript
+          tsc --version
+          which tsc
+
+          # Test 2: Verify the package was installed correctly
+          ls -la ~/.vite-plus/packages/typescript/
+          ls -la ~/.vite-plus/bin/
+
+          # Test 3: Uninstall
+          vp uninstall -g typescript
+
+          # Test 4: Verify uninstall removed shim
+          echo "Checking bin dir after uninstall:"
+          ls -la ~/.vite-plus/bin/
+          if [ -f ~/.vite-plus/bin/tsc ]; then
+            echo "Error: tsc shim file still exists at ~/.vite-plus/bin/tsc"
+            exit 1
+          fi
+          echo "tsc shim removed successfully"
+
+          # Test 5: use session
+          vp env use 18
+          node --version
+          vp env doctor
+          vp env use --unset
+          node --version
+
+      - name: Install Playwright browsers
+        run: pnpx playwright install chromium
+
+      - name: Run CLI snapshot tests
+        run: |
+          RUST_BACKTRACE=1 pnpm test
+          if ! git diff --exit-code; then
+            echo "::error::Snapshot diff detected. Run 'pnpm -F vite-plus snap-test' locally and commit the updated snap.txt files."
+            git diff --stat
+            git diff
+            exit 1
+          fi
+
+      - name: Test upgrade (bash)
+        shell: bash
+        run: |
+          # Helper to read the installed CLI version from package.json
+          get_cli_version() {
+            node -p "require(require('path').resolve(process.env.USERPROFILE || process.env.HOME, '.vite-plus', 'current', 'node_modules', 'vite-plus', 'package.json')).version"
+          }
+
+          # Save initial (dev build) version
+          INITIAL_VERSION=$(get_cli_version)
+          echo "Initial version: $INITIAL_VERSION"
+
+          # --check queries npm registry and prints update status
+          vp upgrade --check
+
+          # full upgrade: download, extract, swap
+          vp upgrade --tag alpha --force
+          vp --version
+          vp env doctor
+
+          ls -la ~/.vite-plus/
+
+          # Verify version changed after update
+          UPDATED_VERSION=$(get_cli_version)
+          echo "Updated version: $UPDATED_VERSION"
+          if [ "$UPDATED_VERSION" == "$INITIAL_VERSION" ]; then
+            echo "Error: version should have changed after upgrade (still $INITIAL_VERSION)"
+            exit 1
+          fi
+
+          # rollback to the previous version
+          vp upgrade --rollback
+          vp --version
+          vp env doctor
+
+          # Verify version restored after rollback
+          ROLLBACK_VERSION=$(get_cli_version)
+          echo "Rollback version: $ROLLBACK_VERSION"
+          if [ "$ROLLBACK_VERSION" != "$INITIAL_VERSION" ]; then
+            echo "Error: version should have been restored after rollback (expected $INITIAL_VERSION, got $ROLLBACK_VERSION)"
+            exit 1
+          fi
+
+      - name: Test implode (bash)
+        shell: bash
+        run: |
+          vp implode --yes
+          ls -la ~/
+          VP_HOME="${USERPROFILE:-$HOME}/.vite-plus"
+          if [ -d "$VP_HOME" ]; then
+            echo "Error: $VP_HOME still exists after implode"
+            exit 1
+          fi
+          # Reinstall
+          pnpm bootstrap-cli:ci
+          vp --version
+
   install-e2e-test:
     name: Local CLI `vp install` E2E test
     needs:
@@ -650,6 +800,7 @@ jobs:
       - lint
       - run
       - cli-e2e-test
+      - cli-e2e-test-musl
     steps:
       - run: exit 1
         # Thank you, next https://github.com/vercel/next.js/blob/canary/.github/workflows/build_and_test.yml#L379