feat: add static frontend with SPA routing
- Sessions list with filters (time, framework, host) - Session detail with runs table - Run detail with expandable spans - Dark theme GitHub-style UI - API proxy to query-api via /api Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
William Valentin
@@ -0,0 +1,272 @@
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(function() {
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const app = document.getElementById('app');
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// Router
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function route() {
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const path = window.location.pathname;
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if (path === '/' || path === '/sessions') {
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renderSessions();
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} else if (path.startsWith('/sessions/')) {
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const sessionID = path.split('/sessions/')[1];
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renderSession(sessionID);
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} else if (path.startsWith('/runs/')) {
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const runID = path.split('/runs/')[1];
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renderRun(runID);
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} else {
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app.innerHTML = '<p>Page not found</p>';
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}
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}
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function navigate(path) {
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history.pushState(null, '', path);
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route();
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}
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window.addEventListener('popstate', route);
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// API helpers
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async function api(path) {
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const resp = await fetch('/api' + path);
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if (!resp.ok) throw new Error('API error');
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return resp.json();
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}
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function relativeTime(ts) {
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const now = Date.now();
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const then = new Date(ts).getTime();
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const diff = now - then;
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if (diff < 60000) return 'just now';
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if (diff < 3600000) return Math.floor(diff / 60000) + 'm ago';
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if (diff < 86400000) return Math.floor(diff / 3600000) + 'h ago';
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return Math.floor(diff / 86400000) + 'd ago';
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}
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function formatDuration(ms) {
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if (!ms) return '-';
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if (ms < 1000) return ms + 'ms';
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if (ms < 60000) return (ms / 1000).toFixed(1) + 's';
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return (ms / 60000).toFixed(1) + 'm';
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}
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function statusIcon(status) {
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if (status === 'success') return '<span class="status-success">✓</span>';
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if (status === 'error') return '<span class="status-error">✗</span>';
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return '<span class="status-unknown">●</span>';
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}
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// Sessions list
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let sessionsState = { sessions: [], cursor: null, filters: {} };
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async function renderSessions() {
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app.innerHTML = `
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<div class="filters">
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<label>From <input type="date" id="filter-from"></label>
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<label>To <input type="date" id="filter-to"></label>
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<label>Framework
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<select id="filter-framework">
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<option value="">All</option>
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<option value="claude-code">claude-code</option>
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<option value="opencode">opencode</option>
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</select>
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</label>
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<label>Host <input type="text" id="filter-host" placeholder="hostname"></label>
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</div>
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<table>
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<thead>
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<tr>
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<th>Session</th>
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<th>Framework</th>
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<th>Host</th>
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<th>Runs</th>
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<th>Time</th>
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</tr>
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</thead>
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<tbody id="sessions-body"></tbody>
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</table>
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<button id="load-more" class="load-more" style="display:none">Load more</button>
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`;
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// Bind filter events
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['from', 'to', 'framework', 'host'].forEach(f => {
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document.getElementById('filter-' + f).addEventListener('change', () => {
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sessionsState.sessions = [];
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sessionsState.cursor = null;
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loadSessions();
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});
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});
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document.getElementById('load-more').addEventListener('click', loadSessions);
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sessionsState = { sessions: [], cursor: null };
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await loadSessions();
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}
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async function loadSessions() {
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const params = new URLSearchParams();
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const from = document.getElementById('filter-from').value;
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const to = document.getElementById('filter-to').value;
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const framework = document.getElementById('filter-framework').value;
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const host = document.getElementById('filter-host').value;
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if (from) params.set('from', from);
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if (to) params.set('to', to);
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if (framework) params.set('framework', framework);
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if (host) params.set('host', host);
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if (sessionsState.cursor) params.set('cursor', sessionsState.cursor);
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const data = await api('/v1/sessions?' + params.toString());
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sessionsState.sessions = sessionsState.sessions.concat(data.sessions || []);
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sessionsState.cursor = data.next_cursor;
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const tbody = document.getElementById('sessions-body');
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tbody.innerHTML = sessionsState.sessions.map(s => `
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<tr class="clickable" data-session="${s.session_id}">
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<td>${s.session_id.substring(0, 12)}...</td>
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<td>${s.framework || '-'}</td>
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<td>${s.host || '-'}</td>
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<td>${s.run_count}</td>
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<td title="${s.started_at}">${relativeTime(s.started_at)}</td>
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</tr>
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`).join('') || '<tr><td colspan="5" class="empty-state">No sessions found</td></tr>';
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tbody.querySelectorAll('tr.clickable').forEach(row => {
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row.addEventListener('click', () => navigate('/sessions/' + row.dataset.session));
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});
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document.getElementById('load-more').style.display = sessionsState.cursor ? 'block' : 'none';
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}
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// Session detail
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async function renderSession(sessionID) {
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const data = await api('/v1/sessions/' + sessionID);
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const s = data.session;
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const runs = data.runs || [];
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const duration = s.ended_at
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? formatDuration(new Date(s.ended_at) - new Date(s.started_at))
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: 'ongoing';
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app.innerHTML = `
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<a href="/sessions" class="back-link">← Back to Sessions</a>
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<div class="page-header">
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<h2>Session ${sessionID.substring(0, 16)}...</h2>
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<p class="meta">
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Started: ${new Date(s.started_at).toLocaleString()} •
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Framework: ${s.framework || '-'} •
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Host: ${s.host || '-'} •
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Duration: ${duration}
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</p>
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</div>
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<h3>Runs (${runs.length})</h3>
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<table>
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<thead>
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<tr>
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<th>Run ID</th>
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<th>Status</th>
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<th>Spans</th>
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<th>Duration</th>
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<th>Started</th>
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</tr>
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</thead>
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<tbody>
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${runs.map(r => {
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const dur = r.ended_at
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? formatDuration(new Date(r.ended_at) - new Date(r.started_at))
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: '-';
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return `
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<tr class="clickable" data-run="${r.run_id}">
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<td>${r.run_id.substring(0, 12)}...</td>
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<td>${statusIcon(r.status)} ${r.status}</td>
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<td>${r.span_count}</td>
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<td>${dur}</td>
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<td>${new Date(r.started_at).toLocaleTimeString()}</td>
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</tr>
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`;
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}).join('') || '<tr><td colspan="5" class="empty-state">No runs</td></tr>'}
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</tbody>
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</table>
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`;
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document.querySelectorAll('tr.clickable').forEach(row => {
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row.addEventListener('click', () => navigate('/runs/' + row.dataset.run));
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});
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document.querySelector('.back-link').addEventListener('click', e => {
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e.preventDefault();
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navigate('/sessions');
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});
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}
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// Run detail
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async function renderRun(runID) {
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const data = await api('/v1/runs/' + runID);
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const r = data.run;
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const spans = data.spans || [];
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const duration = r.ended_at
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? formatDuration(new Date(r.ended_at) - new Date(r.started_at))
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: 'ongoing';
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app.innerHTML = `
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<a href="/sessions/${r.session_id}" class="back-link">← Back to Session</a>
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<div class="page-header">
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<h2>Run ${runID.substring(0, 16)}... ${statusIcon(r.status)}</h2>
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<p class="meta">
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Started: ${new Date(r.started_at).toLocaleString()} •
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Duration: ${duration}
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</p>
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</div>
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<h3>Spans (${spans.length})</h3>
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<table>
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<thead>
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<tr>
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<th>Name</th>
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<th>Kind</th>
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<th>Status</th>
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<th>Duration</th>
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</tr>
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</thead>
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<tbody id="spans-body">
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${spans.map((sp, i) => `
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<tr class="expandable" data-index="${i}">
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<td><span class="expand-icon">▶</span>${sp.name}</td>
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<td>${sp.kind}</td>
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<td>${statusIcon(sp.status)}</td>
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<td>${formatDuration(sp.duration_ms)}</td>
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</tr>
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<tr class="span-detail-row" data-index="${i}" style="display:none">
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<td colspan="4">
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<div class="span-details">${JSON.stringify(sp.payload, null, 2)}</div>
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</td>
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</tr>
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`).join('') || '<tr><td colspan="4" class="empty-state">No spans</td></tr>'}
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</tbody>
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</table>
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`;
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document.querySelectorAll('tr.expandable').forEach(row => {
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row.addEventListener('click', () => {
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const idx = row.dataset.index;
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const detailRow = document.querySelector(`tr.span-detail-row[data-index="${idx}"]`);
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const icon = row.querySelector('.expand-icon');
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if (detailRow.style.display === 'none') {
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detailRow.style.display = 'table-row';
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icon.innerHTML = '▼';
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} else {
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detailRow.style.display = 'none';
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icon.innerHTML = '▶';
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}
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});
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});
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document.querySelector('.back-link').addEventListener('click', e => {
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e.preventDefault();
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navigate('/sessions/' + r.session_id);
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});
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}
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// Start
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route();
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})();
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