Per-tournament time zone for all clock times (Central by default)

Release 0.6.1.

Co-Authored-By: Claude Fable 5.1 <[email protected]>
Claude-Session: https://claude.ai/code/session_01MB7nCCAscYsb3zzkT6LHZi

server/routes.js

@@ -1,6 +1,6 @@
 import QRCode from 'qrcode';
 import { Router, HttpError, readBody, send, esc, sign, verify } from './http.js';
-import { publicState } from './public-state.js';
+import { publicState, validTz } from './public-state.js';
 import { VERSION } from './version.js';
 import * as pub from './views/public.js';
 import * as adm from './views/admin.js';
@@ -113,7 +113,7 @@ export function buildRouter({ registry, auth, store }) {
     const who = requireAdmin(req, res); if (!who) return;
     const b = await readBody(req);
     const rules = { teamSize: +b.teamSize || 2, pointsTo: +b.pointsTo || 21, winBy: +b.winBy || 2, cap: +b.cap || 0, bestOf: +b.bestOf || 1 };
-    const it = registry.create({ name: b.name, date: b.date, courtCount: +b.courtCount || 2, rules, stages: String(b.stages ?? 'pool,bracket').split(','), notes: b.notes ?? '' });
+    const it = registry.create({ name: b.name, date: b.date, courtCount: +b.courtCount || 2, rules, stages: String(b.stages ?? 'pool,bracket').split(','), notes: b.notes ?? '', timezone: validTz(b.timezone) });
     send.redirect(res, `/admin/t/${it.t.slug}?msg=${encodeURIComponent('Created. Print the QR code and open registration when ready.')}`);
   });
 
@@ -166,6 +166,13 @@ export function buildRouter({ registry, auth, store }) {
     if (p === 'final') { t.phase = 'final'; t.emit({ type: 'phase', phase: 'final', champion: t.champion() }); return 'Marked final'; }
     throw new Error('Unknown phase');
   });
+  action('/settings', ({ t, body }) => {
+    if (body.timezone !== undefined) { if (body.timezone && !validTz(body.timezone)) throw new Error('Unknown time zone'); t.timezone = body.timezone || null; }
+    if (body.date !== undefined) t.date = String(body.date).trim() || null;
+    if (body.notes !== undefined) t.notes = String(body.notes).slice(0, 500);
+    t.emit({ type: 'settings', timezone: t.timezone, date: t.date });
+    return 'Settings saved';
+  });
   action('/banner', ({ t, body }) => { t.banner = String(body.banner ?? '').trim().slice(0, 200) || null; t.emit({ type: 'banner', banner: t.banner }); return t.banner ? 'Banner set' : 'Banner cleared'; });
   action('/broadcast', ({ t, engine, body }) => { const text = String(body.text ?? '').trim().slice(0, 300); if (!text) throw new Error('Nothing to send'); engine.broadcast(text); return 'Broadcast sent'; });
   action('/generate', ({ t, body }) => {