Show server version in logs and UI

static/css/layout.css

@@ -37,6 +37,11 @@
   color: var(--cyan);
 }
 
+.header-version-badge {
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+}
+
 .header-indicators {
   display: flex;
   align-items: center;

static/index.html

@@ -30,6 +30,7 @@
       <line x1="12" y1="17" x2="12" y2="21"/>
     </svg>
     <span class="header-brand-name">local<span>-mcp</span></span>
+    <span id="app-version-badge" class="badge badge--muted header-version-badge">v&ndash;</span>
   </div>
 
   <div class="header-indicators">

static/js/status.js

@@ -58,6 +58,7 @@ function updateHeaderLeds(serverOnline, status) {
 
 function renderStatusPanel(status) {
   const el = document.getElementById('status-panel-body');
+  const versionBadge = document.getElementById('app-version-badge');
   if (!el || !status) return;
 
   const agent = status.agent ?? {};
@@ -65,12 +66,21 @@ function renderStatusPanel(status) {
     pending_count: status.queue?.pending_count ?? 0,
     consumed_count: status.queue?.consumed_count ?? 0,
   };
+  const version = status.server?.version || '–';
+
+  if (versionBadge) {
+    versionBadge.textContent = `v${version}`;
+  }
 
   el.innerHTML = `
     <div class="stat-row">
       <span class="stat-label">Server Up</span>
       <span class="stat-value">${fmtTime(status.server?.started_at)}</span>
     </div>
+    <div class="stat-row">
+      <span class="stat-label">Version</span>
+      <span class="stat-value">v${escapeHtml(version)}</span>
+    </div>
     <div class="stat-row">
       <span class="stat-label">Pending</span>
       <span class="stat-value stat-value--cyan">${queue.pending_count}</span>