chrome.action.onClicked.addListener(async (tab) => {
  await chrome.scripting.executeScript({
    target: { tabId: tab.id },
    files: ['content.js'],
  });
});

chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
  if (message.action === 'copyText') {
    // 转发到当前活动的标签页
    chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
      if (tabs[0]?.id) {
        chrome.tabs.sendMessage(tabs[0].id, message, (response) => {
          sendResponse(response);
        });
      } else {
        sendResponse({ success: false });
      }
    });
    return true; // 异步响应
  }
});