feat(record): capture interactions in embedded frames

Track recording per document so injectable child frames are captured while partial frame failures remain visible in exported traces.

Co-authored-by: Cursor <cursoragent@cursor.com>

packages/i18n/src/locales/en-US/extension.json

@@ -90,6 +90,7 @@
   },
   "recordOverlay": {
     "recording": "Recording your actions",
-    "finish": "Finish"
+    "finish": "Finish",
+    "partialCapture": "Some embedded frames may not be recorded."
   }
 }

packages/i18n/src/locales/zh-CN/extension.json

@@ -90,6 +90,7 @@
   },
   "recordOverlay": {
     "recording": "正在录制你的操作",
-    "finish": "结束"
+    "finish": "结束",
+    "partialCapture": "部分嵌入页面可能未被录制。"
   }
 }