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/state.js

@@ -30,12 +30,12 @@ export class Registry {
   list() { return [...this.items.entries()].map(([slug, { t }]) => ({ slug, name: t.name, date: t.date, phase: t.phase, teams: t.activeTeams().length, createdAt: t.createdAt })); }
   get(slug) { return this.items.get(slug) ?? null; }
 
-  create({ name, date, courtCount = 2, rules = {}, stages = ['pool', 'bracket'], notes = '', slug: wanted = null }) {
+  create({ name, date, courtCount = 2, rules = {}, stages = ['pool', 'bracket'], notes = '', timezone = null, slug: wanted = null }) {
     const base = slugify(wanted ?? name);
     let slug = base, n = 2;
     while (this.items.has(slug)) slug = `${base}-${n++}`;
     const t = new Tournament({ name, courtCount: Number(courtCount), rules, stages });
-    t.slug = slug; t.date = date || null; t.notes = notes; t.createdAt = Date.now();
+    t.slug = slug; t.date = date || null; t.notes = notes; t.timezone = timezone || null; t.createdAt = Date.now();
     const engine = new CourtEngine(t, { courtCount: t.courtCount });
     this._attach(slug, t, engine);
     this.persist(slug);