Function triggerLogout

public/js/appCore.js:198–223

()

   LOGOUT (shared)
   ========================= */
export function triggerLogout() {
  const clearWelcomeFlags = () => {
    try {
      // one-per-tab toast guard
      sessionStorage.removeItem('__fr_welcomed');
      // if you also used the per-user (all-tabs) guard, clear that too:
      const u = localStorage.getItem('username') || '';
      if (u) localStorage.removeItem(`__fr_welcomed_${u}`);
    } catch (e) { }
  };

  _nativeFetch(withBase("/api/auth/logout.php"), {
    method: "POST",
    credentials: "include",
    headers: { "X-CSRF-Token": getCsrfToken() }
  })
    .then(() => {
      clearWelcomeFlags();
      window.location.reload(true);
    })
    .catch(() => {
      // even if the request fails, clear the flags so the next login can toast
      clearWelcomeFlags();
      window.location.reload(true);
    });
}

/* =========================
   Global UX guard (unchanged)