feat(realtime): emit recording_video activity in circle-video flow

web/src/components/MessageComposer.tsx

@@ -828,6 +828,12 @@ export function MessageComposer() {
     if (!selectedFiles.length || !activeChatId || !me) {
       return;
     }
+    const isCircleVideoFlow =
+      selectedFiles.length === 1 && inferType(selectedFiles[0]) === "video" && sendAsCircle;
+    if (isCircleVideoFlow) {
+      emitTypingStopIfActive();
+      sendRealtimeChatEvent("recording_video_start");
+    }
     setIsUploading(true);
     setUploadError(null);
     setUploadProgress(0);
@@ -895,6 +901,9 @@ export function MessageComposer() {
     } finally {
       setIsUploading(false);
       setUploadProgress(0);
+      if (isCircleVideoFlow) {
+        sendRealtimeChatEvent("recording_video_stop");
+      }
     }
     if (previewUrl) {
       URL.revokeObjectURL(previewUrl);