Performance tab: sparkline axis, per-route card, fix table overflow/truncation

package.json

@@ -1,6 +1,6 @@
 {
   "name": "site-gateway",
-  "version": "0.11.59",
+  "version": "0.11.61",
   "private": true,
   "description": "Site Gateway: simple self-hosted website publishing, reverse proxying, and automatic HTTPS.",
   "type": "module",

src/public/app.js

@@ -167,6 +167,7 @@ function renderDashboard() {
   $("#system-public-ip").textContent = data.system.publicIp || (data.system.publicIpError ? "Unavailable" : "Checking…");
   $("#system-public-ip-detail").textContent = data.system.publicIpError ? `Check failed · ${data.system.publicIpError}` : data.system.publicIpCheckedAt ? `Checked ${formatTime(data.system.publicIpCheckedAt)}` : "Not yet checked";
   $("#attention-panel").classList.toggle("is-clear", data.attention.length === 0);
+  $("#dashboard-lower-columns").classList.toggle("attention-clear", data.attention.length === 0);
   $("#attention-list").innerHTML = data.attention.length ? data.attention.map(item => `<${item.target ? "button" : "div"} class="attention-tile ${item.target ? "issue-link" : ""}" ${item.target ? `data-issue-target="${escapeHtml(item.target)}"` : ""}><span class="status-dot error"></span><span class="attention-copy"><strong>${escapeHtml(item.name)}</strong><small>${escapeHtml(item.message)}</small></span></${item.target ? "button" : "div"}>`).join("") : '<div class="all-clear"><span class="status-dot running"></span><span>Everything looks good — no issues to review.</span></div>';
   $("#activity-list").innerHTML = data.activity.length ? data.activity.slice(0, 5).map(item => `<div class="activity-tile"><span class="activity-mark ${item.status === "error" ? "bad" : item.status === "warning" ? "warn" : ""}">${item.status === "error" || item.status === "warning" ? "!" : "✓"}</span><span class="activity-copy"><strong>${escapeHtml(item.message)}</strong><small title="${escapeHtml(formatTime(item.at))}">${escapeHtml(formatRelativeTime(item.at))}</small></span></div>`).join("") : '<p class="quiet-state">No recent activity.</p>';
 }
@@ -244,11 +245,23 @@ function renderPerformance() {
   $("#performance-trend-title").textContent = `Requests · last 6 hours${selected ? ` · ${selected}` : ""}`;
   const points = data.trend || [];
   const max = Math.max(1, ...points.map(point => point.count));
-  const stepX = points.length > 1 ? 600 / (points.length - 1) : 600;
-  const path = points.map((point, index) => `${index === 0 ? "M" : "L"}${(index * stepX).toFixed(1)},${(120 - (point.count / max) * 110 - 4).toFixed(1)}`).join(" ");
-  $("#performance-sparkline").innerHTML = points.length ? `<polyline points="${points.map((point, index) => `${(index * stepX).toFixed(1)},${(120 - (point.count / max) * 110 - 4).toFixed(1)}`).join(" ")}" fill="none" stroke="var(--green)" stroke-width="2" /><path d="${path} L${(600).toFixed(1)},120 L0,120 Z" fill="var(--green)" opacity="0.12" stroke="none" />` : "";
+  const left = 34, right = 8, top = 10, bottom = 20, width = 600, height = 140;
+  const plotWidth = width - left - right, plotHeight = height - top - bottom;
+  const xAt = index => left + (points.length > 1 ? (index / (points.length - 1)) * plotWidth : plotWidth);
+  const yAt = count => top + plotHeight - (count / max) * plotHeight;
+  const gridLines = [0, 0.5, 1].map(fraction => {
+    const y = (top + plotHeight * (1 - fraction)).toFixed(1);
+    const value = Math.round(max * fraction);
+    return `<line x1="${left}" y1="${y}" x2="${width - right}" y2="${y}" stroke="var(--line)" stroke-width="1" /><text x="${left - 8}" y="${y}" text-anchor="end" dominant-baseline="middle" fill="var(--muted)" font-size="10">${value}</text>`;
+  }).join("");
+  const firstPoint = points[0], lastPoint = points[points.length - 1];
+  const timeLabels = points.length ? `<text x="${left}" y="${height - 4}" fill="var(--muted)" font-size="10">${escapeHtml(formatTime(firstPoint.at))}</text><text x="${width - right}" y="${height - 4}" text-anchor="end" fill="var(--muted)" font-size="10">${escapeHtml(formatTime(lastPoint.at))}</text>` : "";
+  const linePoints = points.map((point, index) => `${xAt(index).toFixed(1)},${yAt(point.count).toFixed(1)}`).join(" ");
+  const areaPath = points.length ? `M${xAt(0).toFixed(1)},${(top + plotHeight).toFixed(1)} L${linePoints.replaceAll(" ", " L")} L${xAt(points.length - 1).toFixed(1)},${(top + plotHeight).toFixed(1)} Z` : "";
+  $("#performance-sparkline").setAttribute("viewBox", `0 0 ${width} ${height}`);
+  $("#performance-sparkline").innerHTML = points.length ? `${gridLines}<path d="${areaPath}" fill="var(--green)" opacity="0.12" stroke="none" /><polyline points="${linePoints}" fill="none" stroke="var(--green)" stroke-width="2" />${timeLabels}` : '<text x="10" y="70" fill="var(--muted)" font-size="12">No request data for this window yet.</text>';
   const routes = data.routes || [];
-  $("#performance-rows").innerHTML = routes.length ? routes.map(route => `<tr class="${selected && route.host === selected ? "row-highlight" : ""}"><td>${escapeHtml(route.host)}</td><td>${route.hourRequests}</td><td>${route.dayRequests}</td><td>${route.dayErrors ? `<span class="http-status bad">${route.dayErrors}</span>` : "0"}</td><td>${route.dayAvgMs == null ? "—" : `${route.dayAvgMs} ms`}</td></tr>`).join("") : '<tr><td colspan="5" class="quiet-state">No requests have been logged yet.</td></tr>';
+  $("#performance-rows").innerHTML = routes.length ? routes.map(route => `<tr class="${selected && route.host === selected ? "row-highlight" : ""}"><td title="${escapeHtml(route.host)}">${escapeHtml(route.host)}</td><td>${route.hourRequests}</td><td>${route.dayRequests}</td><td>${route.dayErrors ? `<span class="http-status bad">${route.dayErrors}</span>` : "0"}</td><td>${route.dayAvgMs == null ? "—" : `${route.dayAvgMs} ms`}</td></tr>`).join("") : '<tr><td colspan="5" class="quiet-state">No requests have been logged yet.</td></tr>';
   if (selected) $(`#performance-rows tr.row-highlight`)?.scrollIntoView({ block: "nearest" });
 }
 

src/public/index.html

@@ -114,7 +114,7 @@
           </section>
         </div>
         <div id="dashboard-jobs-slot" class="dashboard-jobs-slot"></div>
-        <div class="dashboard-columns lower">
+        <div class="dashboard-columns lower" id="dashboard-lower-columns">
           <section class="dashboard-panel attention-panel" id="attention-panel">
             <div class="panel-heading"><div><p class="eyebrow">Action required</p><h2>Needs attention</h2></div></div>
             <div id="attention-list" class="dashboard-list"><div class="all-clear"><span class="status-dot running"></span><span>Everything looks good — no issues to review.</span></div></div>
@@ -145,10 +145,13 @@
         <p id="performance-summary" class="muted feature-note">No requests recorded yet. <span id="performance-last-checked">Not checked yet.</span></p>
         <section class="dashboard-panel">
           <div class="panel-heading"><div><p class="eyebrow">Trend</p><h2 id="performance-trend-title">Requests · last 6 hours</h2></div></div>
-          <svg id="performance-sparkline" class="performance-sparkline" viewBox="0 0 600 120" preserveAspectRatio="none" aria-label="Request volume trend"></svg>
+          <svg id="performance-sparkline" class="performance-sparkline" viewBox="0 0 600 140" aria-label="Request volume trend"></svg>
+        </section>
+        <section class="dashboard-panel">
+          <div class="panel-heading"><div><p class="eyebrow">Per-route</p><h2>Throughput by domain</h2></div></div>
+          <p class="muted feature-note">Requests, error rate, and average response time for each configured domain.</p>
+          <div class="table-wrap performance-table-wrap"><table class="performance-table"><thead><tr><th>Domain</th><th>Last hour</th><th>Last 24h</th><th>Errors (24h)</th><th>Avg. response</th></tr></thead><tbody id="performance-rows"></tbody></table></div>
         </section>
-        <div class="diagnostic-section-heading"><p class="eyebrow">Per-route</p><h2>Throughput by domain</h2><p class="muted">Requests, error rate, and average response time for each configured domain.</p></div>
-        <div class="table-wrap diagnostic-list"><table class="log-table performance-table"><thead><tr><th>Domain</th><th>Last hour</th><th>Last 24h</th><th>Errors (24h)</th><th>Avg. response</th></tr></thead><tbody id="performance-rows"></tbody></table></div>
       </section>
       <section id="users-view" class="feature-view hidden">
         <div class="admin-tabs"><button class="tab-active" data-admin-tab="users">Users</button><button data-admin-tab="defaults">Gateway defaults</button><button data-admin-tab="backups">Backup & restore</button><button data-admin-tab="security">Security & updates</button><button data-admin-tab="danger" class="danger-tab">Danger Zone</button></div>