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feat(ui): show separate Last Status and Last Packet columns for observers

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- observers.js: rename 'Last Seen' column to 'Last Status', add 'Last Packet'
  column with a warning badge when no packets observed or packets lag behind
  status by >10min
- observer-detail.js: add 'Last Status Update' and 'Last Packet Observation'
  stat cards with relative + absolute timestamps
This commit is contained in:
you
2026-04-24 15:26:53 +00:00
parent d3a40919f2
commit 330970cce9
2 changed files with 21 additions and 1 deletions
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public/observer-detail.js
+8
View File
@@ -150,6 +150,14 @@
<div class="stat-label">First Seen</div>
<div class="stat-value" style="font-size:0.85em">${obs.first_seen ? new Date(obs.first_seen).toLocaleDateString() : '—'}</div>
</div>
<div class="stat-card">
<div class="stat-label">Last Status Update</div>
<div class="stat-value" style="font-size:0.85em">${obs.last_seen ? timeAgo(obs.last_seen) + '<br><span style="font-size:0.8em;color:var(--text-muted)">' + new Date(obs.last_seen).toLocaleString() + '</span>' : '—'}</div>
</div>
<div class="stat-card">
<div class="stat-label">Last Packet Observation</div>
<div class="stat-value" style="font-size:0.85em">${obs.last_packet_at ? timeAgo(obs.last_packet_at) + '<br><span style="font-size:0.8em;color:var(--text-muted)">' + new Date(obs.last_packet_at).toLocaleString() + '</span>' : '<span style="color:var(--text-muted)">never</span>'}</div>
</div>
</div>
<div class="mono" style="font-size:0.75em;color:var(--text-muted);margin-bottom:20px;word-break:break-all">
ID: ${obs.id}
public/observers.js
+13 -1
View File
@@ -75,6 +75,17 @@
return { cls: 'health-red', label: 'Offline' };
}
function packetBadge(o) {
if (!o.last_packet_at) return '<span title="No packets ever observed">📡⚠ never</span>';
const pktAgo = Date.now() - new Date(o.last_packet_at).getTime();
const statusAgo = o.last_seen ? Date.now() - new Date(o.last_seen).getTime() : Infinity;
const gap = pktAgo - statusAgo;
if (gap > 600000) {
return `<span title="Last packet ${timeAgo(o.last_packet_at)} — status is newer by ${Math.round(gap/60000)}min. Observer may be alive but not forwarding packets.">📡⚠ ${timeAgo(o.last_packet_at)}</span>`;
}
return timeAgo(o.last_packet_at);
}
function uptimeStr(firstSeen) {
if (!firstSeen) return '—';
const ms = Date.now() - new Date(firstSeen).getTime();
@@ -123,7 +134,7 @@
<div class="obs-table-scroll"><table class="data-table obs-table" id="obsTable">
<caption class="sr-only">Observer status and statistics</caption>
<thead><tr>
<th scope="col">Status</th><th scope="col">Name</th><th scope="col">Region</th><th scope="col">Last Seen</th>
<th scope="col">Status</th><th scope="col">Name</th><th scope="col">Region</th><th scope="col">Last Status</th><th scope="col">Last Packet</th>
<th scope="col">Packets</th><th scope="col">Packets/Hour</th><th scope="col">Uptime</th>
</tr></thead>
<tbody>${filtered.map(o => {
@@ -134,6 +145,7 @@
<td class="mono">${o.name || o.id}</td>
<td>${o.iata ? `<span class="badge-region">${o.iata}</span>` : '—'}</td>
<td>${timeAgo(o.last_seen)}</td>
<td>${packetBadge(o)}</td>
<td>${(o.packet_count || 0).toLocaleString()}</td>
<td>${sparkBar(o.packetsLastHour || 0, maxPktsHr)}</td>
<td>${uptimeStr(o.first_seen)}</td>