feat: 更新背景脚本和内容脚本，添加录制控制消息处理，优化录制状态检查逻辑，新增消息常量

entrypoints/content.ts

@@ -1,6 +1,27 @@
+// import { useRecorder } from '../hooks/useRecorder';
+
 export default defineContentScript({
-  matches: ['*://*.google.com/*'],
+  // matches: ['*://*.google.com/*'],
+  matches: ['<all_urls>'],
+  runAt: 'document_start',
   main() {
-    console.log('Hello content.');
+    console.log('Content script loaded successfully', { id: browser.runtime.id });
+
+    chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
+      if (message.type === 'START_RECORD') {
+        // startRecord();
+        console.log('Start recording command received in content script');
+        sendResponse({ status: 'Recording started' });
+      } else if (message.type === 'STOP_RECORD') {
+        // stopRecord();
+        console.log('Stop recording command received in content script');
+        sendResponse({ status: 'Recording stopped' });
+      } else {
+        console.log('Unknown command received in content script');
+        sendResponse({ status: 'Unknown command' });
+      }
+
+      return true;
+    });
   },
 });