refactor: 优化pnpm安装流程并合并重复的pnpm设置步骤

npm-install/action.yml

@@ -129,8 +129,8 @@ runs:
         restore-keys: |
           ${{ runner.os }}-corepack-pnpm-
 
-    - name: 确保 pnpm 可用（用于计算 store 路径）
-      if: inputs.package-manager == 'pnpm' && inputs.cache-mode == 'store'
+    - name: 确保 pnpm 可用
+      if: inputs.package-manager == 'pnpm'
       uses: pnpm/action-setup@v4
       with:
         version: ${{ inputs.pnpm-version }}
@@ -186,18 +186,15 @@ runs:
       shell: bash
       run: |
         if [[ "${{ steps.cache.outputs.cache-hit }}" == "true" ]]; then
-          echo "✅ 缓存命中，跳过依赖安装"
+          if [[ "${{ inputs.cache-mode }}" == "store" ]]; then
+            echo "✅ 缓存命中（store），将执行快速链接安装（不会下载包，仅链接）"
+          else
+            echo "✅ 缓存命中，跳过依赖安装"
+          fi
         else
           echo "⚠️ 缓存未命中，开始安装依赖"
         fi
 
-    - name: 确保 pnpm 可用（如需）
-      if: inputs.package-manager == 'pnpm'
-      uses: pnpm/action-setup@v4
-      with:
-        version: ${{ inputs.pnpm-version }}
-        run_install: false
-
     - name: 安装依赖
       if: (inputs.cache-mode == 'node_modules' && steps.cache.outputs.cache-hit != 'true') || (inputs.cache-mode == 'store')
       shell: bash