Add timezone preference across time displays

src/lib/ui/components/BetaTestProgress.svelte

@@ -1,4 +1,5 @@
 <script lang="ts">
+    import { timeFormat } from '$ui/stores/time-zone.js';
     import { tick } from 'svelte';
     import ServerIdentity from './ServerIdentity.svelte';
     import StatusBadge from './primitives/StatusBadge.svelte';
@@ -22,7 +23,7 @@
     $effect(() => { evidenceServer; evidenceKind; evidenceQuery; evidenceLimit = 25; });
     function reportAge(at:string) { const minutes=Math.max(0,Math.floor((Date.now()-Date.parse(at))/60000));return minutes<1?'less than a minute ago':minutes<60?`${minutes}m ago`:`${Math.floor(minutes/60)}h ${minutes%60}m ago`; }
     async function action(action:string, extra:Record<string,string>={}) {
-        if (action === 'retry' && !await confirmAction({title:'Start a fresh test attempt?',message:`Reset current progress and checklist sign-offs on ${test.servers.length} deployed servers. They will restart when empty and must collect fresh evidence. Previous evidence remains in history. The deadline stays ${deadline ? new Date(deadline).toLocaleString() : 'unchanged'}.`,confirmLabel:'Reset and restart testing'})) return;
+        if (action === 'retry' && !await confirmAction({title:'Start a fresh test attempt?',message:`Reset current progress and checklist sign-offs on ${test.servers.length} deployed servers. They will restart when empty and must collect fresh evidence. Previous evidence remains in history. The deadline stays ${deadline ? $timeFormat.dateTime(deadline) : 'unchanged'}.`,confirmLabel:'Reset and restart testing'})) return;
         busy = true; error = ''; message = '';
         try {
             const response = await fetch(`/api/betas/${betaId}/test`,{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({action,...extra})}), body = await response.json();
@@ -57,7 +58,7 @@
     {#each ranked as server (server.server)}
     <details class="server" open={!server.passed}>
         <summary><ServerIdentity name={server.server}/><span>{server.progress.filter(p=>p.passed).length} / {server.progress.length} checks passed</span>{#if test.plan.requirements.some(r=>r.kind==='recovery')}<span>Recovery cycles: {server.phase}</span>{/if}</summary>
-        {#if test.plan.requirements.some(needsGameTelemetry)}<p class="observation">{#if server.observation?.lastGameplayAt}Latest gameplay: {server.observation.lastEvent?.replaceAll('_',' ')} · <time datetime={server.observation.lastGameplayAt} title={new Date(server.observation.lastGameplayAt).toLocaleString()}>{reportAge(server.observation.lastGameplayAt)}</time> · {server.observation.players ?? 'Unknown'} players{#if server.observation.round !== null} · Round {server.observation.round}{/if}{:else}No gameplay reports in this attempt yet.{/if} <a href={`/servers/${encodeURIComponent(server.server)}?tab=diagnostics#telemetry`}>Telemetry diagnostics</a></p>{/if}
+        {#if test.plan.requirements.some(needsGameTelemetry)}<p class="observation">{#if server.observation?.lastGameplayAt}Latest gameplay: {server.observation.lastEvent?.replaceAll('_',' ')} · <time datetime={server.observation.lastGameplayAt} title={$timeFormat.dateTime(server.observation.lastGameplayAt)}>{reportAge(server.observation.lastGameplayAt)}</time> · {server.observation.players ?? 'Unknown'} players{#if server.observation.round !== null} · Round {server.observation.round}{/if}{:else}No gameplay reports in this attempt yet.{/if} <a href={`/servers/${encodeURIComponent(server.server)}?tab=diagnostics#telemetry`}>Telemetry diagnostics</a></p>{/if}
         {#each server.progress as progress (progress.id)}
             {@const requirement = test.plan.requirements.find(r=>r.id===progress.id)}
             {#if requirement}<div class="requirement" class:failed={progress.failed}>
@@ -80,7 +81,7 @@
         {#if evidenceOpen}
         <p>Newest first. Includes retained evidence from earlier attempts and recovery cycles; current progress uses only the current attempt.</p>
         <div class="filters"><label>Server<select bind:value={evidenceServer}><option value="">All servers</option>{#each [...new Set(test.evidence.map(event=>event.server))] as server}<option value={server}>{server}</option>{/each}</select></label><label>Event type<select bind:value={evidenceKind}><option value="">All events</option><option value="gameplay">Gameplay reports</option><option value="health">Health observations</option><option value="manual-sign-off">Tester sign-offs</option></select></label><label>Search evidence<input type="search" bind:value={evidenceQuery} placeholder="Round, map, tester, observation…"/></label></div>
-        {#each filteredEvidence.slice(0,evidenceLimit) as event(event.id)}<article class="evidence"><div class="heading"><ServerIdentity name={event.server}/><time datetime={event.received_at}>{new Date(event.received_at).toLocaleString()}</time></div><p>{betaEvidenceSummary(event)}</p><details><summary>Raw payload · {event.kind}</summary><pre>{event.payload}</pre></details></article>{/each}
+        {#each filteredEvidence.slice(0,evidenceLimit) as event(event.id)}<article class="evidence"><div class="heading"><ServerIdentity name={event.server}/><time datetime={event.received_at}>{$timeFormat.dateTime(event.received_at)}</time></div><p>{betaEvidenceSummary(event)}</p><details><summary>Raw payload · {event.kind}</summary><pre>{event.payload}</pre></details></article>{/each}
         <ListFooter total={filteredEvidence.length} bind:limit={evidenceLimit} label="events"/>
         {#if !filteredEvidence.length}<p>{test.evidence.length ? 'No evidence matches these filters.' : 'No evidence recorded yet. Check deployment progress and telemetry diagnostics.'}</p>{/if}
         {/if}