Cancel in-flight diagnostic poll when user selects a new port

Previously switching ports while a diagnostic was running left the
setInterval timer active, causing the result to be written into the
old (now detached) DOM elements and never shown to the user.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

db.py

@@ -182,7 +182,7 @@ def get_active_events(limit: int = 200, offset: int = 0) -> list:
             for r in rows:
                 for k in ('first_seen', 'last_seen'):
                     if r.get(k) and hasattr(r[k], 'isoformat'):
-                        r[k] = r[k].isoformat()
+                        r[k] = r[k].isoformat() + 'Z'
             return rows
 
 
@@ -210,7 +210,7 @@ def get_recent_resolved(hours: int = 24, limit: int = 50) -> list:
             for r in rows:
                 for k in ('first_seen', 'last_seen', 'resolved_at'):
                     if r.get(k) and hasattr(r[k], 'isoformat'):
-                        r[k] = r[k].isoformat()
+                        r[k] = r[k].isoformat() + 'Z'
             return rows
 
 
@@ -252,7 +252,7 @@ def get_active_suppressions() -> list:
             for r in rows:
                 for k in ('created_at', 'expires_at'):
                     if r.get(k) and hasattr(r[k], 'isoformat'):
-                        r[k] = r[k].isoformat()
+                        r[k] = r[k].isoformat() + 'Z'
             return rows
 
 
@@ -267,7 +267,7 @@ def get_suppression_history(limit: int = 50) -> list:
             for r in rows:
                 for k in ('created_at', 'expires_at'):
                     if r.get(k) and hasattr(r[k], 'isoformat'):
-                        r[k] = r[k].isoformat()
+                        r[k] = r[k].isoformat() + 'Z'
             return rows
 
 

diagnose.py

@@ -78,7 +78,7 @@ class DiagnosticsRunner:
             f'ssh -o StrictHostKeyChecking=accept-new -o ConnectTimeout=5 '
             f'-o BatchMode=yes -o LogLevel=ERROR '
             f'-o ServerAliveInterval=10 -o ServerAliveCountMax=2 '
-            f'root@{ip_q} \'{remote_cmd}\''
+            f'root@{ip_q} {shlex.quote(remote_cmd)}'
         )
 
     # ------------------------------------------------------------------

monitor.py

@@ -215,7 +215,10 @@ class TicketClient:
             resp.raise_for_status()
             data = resp.json()
             if data.get('success'):
-                tid = data['ticket_id']
+                tid = data.get('ticket_id')
+                if not tid:
+                    logger.warning(f'Ticket API success but no ticket_id in response: {data}')
+                    return None
                 logger.info(f'Created ticket #{tid}: {title}')
                 return tid
             if data.get('existing_ticket_id'):
@@ -377,7 +380,7 @@ class LinkStatsCollector:
             f'ssh -o StrictHostKeyChecking=accept-new -o ConnectTimeout=5 '
             f'-o BatchMode=yes -o LogLevel=ERROR '
             f'-o ServerAliveInterval=10 -o ServerAliveCountMax=2 '
-            f'root@{ip} "{shell_cmd}"'
+            f'root@{ip} {shlex.quote(shell_cmd)}'
         )
         output = self.pulse.run_command(ssh_cmd)
         if output is None:
@@ -918,7 +921,7 @@ class NetworkMonitor:
         return {
             'hosts': hosts,
             'unifi': display_unifi,
-            'updated': datetime.utcnow().isoformat(),
+            'updated': datetime.utcnow().isoformat() + 'Z',
         }
 
     # ------------------------------------------------------------------

static/app.js

@@ -220,7 +220,7 @@ function updateEventsTable(events, totalActive) {
       ? GANDALF_CONFIG.ticket_web_url : 'http://t.lotusguild.org/ticket/';
     const ticket = e.ticket_id
       ? `<a href="${lt.escHtml(ticketBase)}${lt.escHtml(String(e.ticket_id))}" target="_blank"
-            class="ticket-link">#${e.ticket_id}</a>`
+            class="ticket-link">#${lt.escHtml(String(e.ticket_id))}</a>`
       : '–';
     const supBadge = e.is_suppressed
       ? `<span class="lt-badge badge-suppressed" title="Alert suppressed">🔕 sup</span>`

templates/inspector.html

@@ -218,6 +218,7 @@ let _apiData        = null;
 function selectPort(el) {
   const swName = el.dataset.switch;
   const idx    = parseInt(el.dataset.portIdx, 10);
+  if (_diagPollTimer) { clearInterval(_diagPollTimer); _diagPollTimer = null; }
   document.querySelectorAll('.switch-port-block.selected')
     .forEach(e => e.classList.remove('selected'));
   el.classList.add('selected');
@@ -428,7 +429,7 @@ function renderInspector(data) {
 
   const updEl = document.getElementById('inspector-updated');
   if (updEl && data.updated) {
-    const updMs = new Date(data.updated + (data.updated.includes('Z') ? '' : 'Z'));
+    const updMs = new Date(_toIso(data.updated));
     const ageMin = (Date.now() - updMs) / 60000;
     const timeStr = updMs.toLocaleTimeString();
     if (ageMin > 15) {

templates/links.html

@@ -548,7 +548,7 @@ function checkLinksStale(updatedStr) {
 async function loadLinks() {
   try {
     const data = await lt.api.get('/api/links');
-    if (!data.hosts && !data.unifi_switches) {
+    if ((!data.hosts || !Object.keys(data.hosts).length) && (!data.unifi_switches || !Object.keys(data.unifi_switches).length)) {
       document.getElementById('links-container').innerHTML =
         '<div class="link-no-data">No link data yet — monitor has not completed a full cycle.</div>';
       return;

templates/suppressions.html

@@ -51,7 +51,7 @@
             <label class="lt-label" for="s-reason">Reason <span class="required">*</span></label>
             <input type="text" class="lt-input" id="s-reason" name="reason"
                    placeholder="e.g. Planned switch maintenance, replacing SFP on large1/enp43s0"
-                   required>
+                   required aria-required="true">
           </div>
         </div>