Initial commit: EatMe attendance tracker

Google-SSO PWA for bistro employee clock-in/out, admin employee
management, and stats with CSV export. Express + SQLite backend,
React + Zustand frontend in the light-mono-tui design language.
Multi-stage Dockerfile, compose.yaml for image-based deploys, nginx
reverse-proxy template, and an OKF documentation bundle in docs/.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

frontend/src/lib/liveSession.ts

@@ -0,0 +1,39 @@
+import type { Session, StatsSummary } from '../api/types';
+
+/**
+ * The API computes worked/break durations at fetch time, so an open (still
+ * running) session freezes until the next request. This recomputes an open
+ * session's durations against a live clock so the UI can tick without polling.
+ */
+function recomputeOpenSession(session: Session, now: Date): Session {
+  if (!session.open) return session;
+
+  const start = new Date(session.clockIn).getTime();
+  const breakMs = session.breaks.reduce((sum, b) => {
+    const end = b.end ? new Date(b.end).getTime() : now.getTime();
+    return sum + Math.max(0, end - new Date(b.start).getTime());
+  }, 0);
+  const workedMs = Math.max(0, now.getTime() - start - breakMs);
+
+  return { ...session, breakMs, workedMs };
+}
+
+export function withLiveTime(stats: StatsSummary, now: Date): StatsSummary {
+  let deltaWorked = 0;
+  let deltaBreak = 0;
+
+  const sessions = stats.sessions.map((s) => {
+    if (!s.open) return s;
+    const live = recomputeOpenSession(s, now);
+    deltaWorked += live.workedMs - s.workedMs;
+    deltaBreak += live.breakMs - s.breakMs;
+    return live;
+  });
+
+  return {
+    ...stats,
+    sessions,
+    totalWorkedMs: stats.totalWorkedMs + deltaWorked,
+    totalBreakMs: stats.totalBreakMs + deltaBreak,
+  };
+}