Function saveUnread

apps/kimi-web/src/lib/storage.ts:126–134

(changes: Record<string, boolean>)

 * deletes the key (clearing the unread dot).
 */
export function saveUnread(changes: Record<string, boolean>): void {
  const current = loadUnread();
  const merged: Record<string, boolean> = { ...current };
  for (const [id, value] of Object.entries(changes)) {
    if (value) merged[id] = true;
    else delete merged[id];
  }
  safeSetString(STORAGE_KEYS.unread, JSON.stringify(merged));
}

/**
 * Collapsed workspace ids in the sidebar. Persisted as a JSON array of ids so