Add app

serving/kiosk-app/src/lib/clock.svelte.js

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+// Shared 1 Hz clock. Module-level $state + a single interval, so every consumer
+// (status bar, footer) shares one timer. Read `clock.now` reactively.
+
+let _now = $state(new Date())
+
+if (typeof window !== 'undefined') {
+  setInterval(() => { _now = new Date() }, 1000)
+}
+
+export const clock = {
+  get now() { return _now },
+}
+
+// Playful "stardate" derived from the wall clock, purely cosmetic.
+export function stardate(d) {
+  const epoch = Date.UTC(2350, 0, 1)
+  const days = (d.getTime() - epoch) / 86_400_000
+  return (47000 + days / 3.65).toFixed(1)
+}
+
+export function hhmmss(d) {
+  const p = (n) => String(n).padStart(2, '0')
+  return `${p(d.getHours())}:${p(d.getMinutes())}:${p(d.getSeconds())}`
+}