er slot="header">Build</vscode-tab-header>
              <vscode-tab-panel>
                <div style="padding: 8px">
                  <vscode-progress-bar
                    id="build-progress"
                    aria-label="Building"
                    value="0"
                    max="100"
                  ></vscode-progress-bar>
                </div>
              </vscode-tab-panel>

              <vscode-tab-header slot="header">Tasks</vscode-tab-header>
              <vscode-tab-panel>
      