fix: 移除 setup-opencode action 的安装验证步骤，简化缓存保存条件

- 删除 verify-install 步骤及其相关的 npm list 验证逻辑
- 简化缓存保存条件，移除对 install-verified 输出的依赖
- 缓存保存现在仅依赖 need-install 和 skip-cache 参数

setup-opencode/action.yml

@@ -214,37 +214,8 @@ runs:
           fi
         done
 
-    - name: 验证安装
-      id: verify-install
-      if: steps.check-installed.outputs.need-install == 'true'
-      shell: bash
-      run: |
-        PACKAGE="${{ inputs.package-name }}"
-        
-        # 通过 npm list 检查包是否安装，而不是检查命令（因为包名和命令名可能不同）
-        INSTALLED_INFO=$(npm list -g $PACKAGE --json --depth=0 2>/dev/null || echo '{}')
-        INSTALLED_VERSION=$(echo "${INSTALLED_INFO}" | grep -o '"version":"[^"]*"' | head -1 | cut -d'"' -f4 || echo "")
-        
-        if [[ -n "${INSTALLED_VERSION}" ]]; then
-          echo "install-verified=true" >> $GITHUB_OUTPUT
-          echo "✅ 安装验证成功 - 版本: ${INSTALLED_VERSION}"
-          
-          # 尝试查找实际的命令名
-          BIN_DIR="${{ steps.npm-paths.outputs.prefix }}/bin"
-          if [[ -d "${BIN_DIR}" ]]; then
-            COMMANDS=$(ls -1 "${BIN_DIR}" 2>/dev/null | grep -i opencode || echo "")
-            if [[ -n "${COMMANDS}" ]]; then
-              echo "📦 可用命令: ${COMMANDS}"
-            fi
-          fi
-        else
-          echo "install-verified=false" >> $GITHUB_OUTPUT
-          echo "❌ 安装验证失败 - 未找到包 ${PACKAGE}"
-          exit 1
-        fi
-
     - name: 保存缓存
-      if: steps.check-installed.outputs.need-install == 'true' && steps.verify-install.outputs.install-verified == 'true' && inputs.skip-cache != 'true'
+      if: steps.check-installed.outputs.need-install == 'true' && inputs.skip-cache != 'true'
       uses: actions/cache/save@v4
       with:
         path: |