One Chat entry: Signal is listed inside Chat, so the separate Signal tab is gone for people who have both

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

public/signal-view.js

@@ -57,7 +57,7 @@ function sgEvent(ev) {
 function viewSignal(args = []) { sg.cur = args[0] || null; sgDockHide(); return sgMount($('#view'), false); }
 // ... and the same screens in a panel that floats over every other screen.
 async function sgMount(root, dock) {
-  sg.root = root; sg.dock = dock; const cls = dock ? 'sgdockin' : 'wrap sgwrap', title = dock ? '' : '<h1>Signal</h1>';
+  sg.root = root; sg.dock = dock; const cls = dock ? 'sgdockin' : 'wrap sgwrap', title = dock ? '' : `<h1>Signal</h1>${typeof sgInChat === 'function' && sgInChat() ? `<p class="sub" style="margin:0 0 8px"><a href="#/chat" style="color:var(--accent)">‹ Back to Chat</a> · your Signal chats are also listed there</p>` : ''}`;
   root.innerHTML = `<div class="${cls}">${title}<p class="empty">Loading…</p></div>`;
   let st; try { st = await sgApi('/status'); } catch (e) { root.innerHTML = `<div class="${cls}">${title}<p class="err">${esc(e.message)}</p></div>`; return; }
   if (sg.root !== root) return; sg.st = st;