Order equal-priority tasks in the switcher by least recently visited

web/src/state.ts

@@ -89,7 +89,22 @@ export async function loadInbox(): Promise<void> {
 
 let liveDuringLoad: ByreEvent[] | undefined;
 
+const visitsKey = "byre.visits";
+
+export function lastVisits(): Record<string, number> {
+  return JSON.parse(localStorage.getItem(visitsKey) ?? "{}") as Record<string, number>;
+}
+
+function markVisited(taskId: string | undefined): void {
+  if (!taskId) {
+    return;
+  }
+  localStorage.setItem(visitsKey, JSON.stringify({ ...lastVisits(), [taskId]: Date.now() }));
+}
+
 export async function selectTask(taskId: string | undefined): Promise<void> {
+  markVisited(state.selectedTaskId);
+  markVisited(taskId);
   state.selectedTaskId = taskId;
   state.transcript = [];
   state.lastTranscriptSeq = 0;