Chat: a GIF picker kept family-friendly, sharing a place, and Signal conversations in the Chat list

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

public/signal-view.js

@@ -12,7 +12,7 @@ async function sgStart() { // keep the unread count and live updates running wha
   if (!allowed('signal') || sg.es) return;
   try { const st = await sgApi('/status'); sg.st = st; sg.unread = st.unread || 0; renderNav(activeTab); } catch {}
   sg.es = new EventSource('/api/signal/events');
-  sg.es.onmessage = e => { let ev; try { ev = JSON.parse(e.data); } catch { return; } sgEvent(ev); };
+  sg.es.onmessage = e => { let ev; try { ev = JSON.parse(e.data); } catch { return; } sgEvent(ev); if (typeof chSigChanged === 'function') chSigChanged(); };
 }
 function sgStop() { if (sg.es) { sg.es.close(); sg.es = null; } }
 // ---- Getting your attention: a chime, a desktop notification when the app is in the background, the count in the tab title and on the app icon.