Function isMockTopLevelRow

desktop/src/testing/e2eBridge.ts:2825–2832

* Mirror the relay's channel-window row set (buzz-db `thread.rs`, NIP-CW * §Top-level Classification): an event is a timeline row iff its depth is 0 * (no reply marker → `rootEventId === null`) OR its depth is 1 (its parent is * the thread root) AND it is broadcast. Depth ≥ 2 replies never surfac

(event: RelayEvent)

 * depth-1 replies the real relay serves.
 */
function isMockTopLevelRow(event: RelayEvent): boolean {
  const { parentEventId, rootEventId } = getThreadReferenceFromTags(event.tags);
  if (rootEventId === null) {
    return true;
  }
  const isDepthOne = parentEventId !== null && parentEventId === rootEventId;
  return isDepthOne && isMockBroadcastReply(event.tags);
}

function appendMentionTags(
  tags: string[][],