feat: move Reboot button from sidebar to header, between role badge and Sign Out

app/sovran_systemsos_web/static/css/header.css

@@ -91,3 +91,30 @@
   border-color: var(--accent-color);
   color: var(--accent-color);
 }
+
+/* ── Header reboot button ───────────────────────────────────────── */
+
+.btn-header-reboot {
+  background: transparent;
+  border: 1px solid rgba(184, 125, 0, 0.35);
+  color: #c98d08;
+  font-size: 0.78rem;
+  font-weight: 600;
+  padding: 4px 12px;
+  border-radius: var(--radius-btn);
+  cursor: pointer;
+  transition: border-color 0.15s, color 0.15s, background-color 0.15s;
+}
+
+.btn-header-reboot:hover {
+  border-color: #b87d00;
+  color: #e0a010;
+  background-color: rgba(184, 125, 0, 0.1);
+}
+
+@media (max-width: 480px) {
+  .btn-header-reboot {
+    padding: 4px 8px;
+    font-size: 0.72rem;
+  }
+}

app/sovran_systemsos_web/static/css/layout.css

@@ -84,21 +84,6 @@
   margin: 16px 0;
 }
 
-/* ── Sidebar restart button (amber/muted treatment) ─────────────── */
-
-.sidebar-restart-btn {
-  border-color: rgba(184, 125, 0, 0.25);
-}
-
-.sidebar-restart-btn:hover {
-  border-color: #b87d00;
-  background-color: rgba(184, 125, 0, 0.08);
-}
-
-.sidebar-restart-btn .sidebar-restart-hint {
-  color: #c98d08;
-}
-
 /* ── Upgrade modal ──────────────────────────────────────────────── */
 
 .upgrade-dialog {

app/sovran_systemsos_web/static/js/events.js

@@ -48,6 +48,9 @@ if ($upgradeModal) $upgradeModal.addEventListener("click", function(e) { if (e.t
 if ($restartConfirmCancel) $restartConfirmCancel.addEventListener("click", closeRestartConfirmDialog);
 if ($restartConfirmModal) $restartConfirmModal.addEventListener("click", function(e) { if (e.target === $restartConfirmModal) closeRestartConfirmDialog(); });
 if ($restartConfirmModal) $restartConfirmModal.addEventListener("keydown", function(e) { if (e.key === "Escape") closeRestartConfirmDialog(); });
+
+// Header Reboot button
+if ($headerRebootBtn) $headerRebootBtn.addEventListener("click", function() { openRestartConfirmDialog(); });
 if ($restartConfirmOk) $restartConfirmOk.addEventListener("click", function() {
   if ($restartConfirmOk.disabled) return;
   $restartConfirmOk.disabled = true;

app/sovran_systemsos_web/static/js/state.js

@@ -110,5 +110,8 @@ const $restartConfirmOk     = document.getElementById("restart-confirm-ok-btn");
 const $restartConfirmCancel = document.getElementById("restart-confirm-cancel-btn");
 const $restartConflictBox   = document.getElementById("restart-conflict-box");
 
+// Header reboot button
+const $headerRebootBtn = document.getElementById("btn-header-reboot");
+
 // System status banner
 // (removed — health is now shown per-tile via the composite health field)

app/sovran_systemsos_web/static/js/tiles.js

@@ -133,23 +133,6 @@ function renderSidebarSupport(supportServices) {
   var hr = document.createElement("hr");
   hr.className = "sidebar-divider";
   $sidebarSupport.appendChild(hr);
-
-  // ── Restart Entire System button (bottom, visually separated)
-  var restartDivider = document.createElement("hr");
-  restartDivider.className = "sidebar-divider";
-  $sidebarSupport.appendChild(restartDivider);
-
-  var restartBtn = document.createElement("button");
-  restartBtn.className = "sidebar-support-btn sidebar-restart-btn";
-  restartBtn.id = "sidebar-btn-restart";
-  restartBtn.innerHTML =
-    '<span class="sidebar-support-icon sidebar-restart-icon" aria-hidden="true">\u21BB</span>' +
-    '<span class="sidebar-support-text">' +
-      '<span class="sidebar-support-title">Restart Entire System</span>' +
-      '<span class="sidebar-support-hint sidebar-restart-hint">Restarts the computer, desktop, and all services</span>' +
-    '</span>';
-  restartBtn.addEventListener("click", function() { openRestartConfirmDialog(); });
-  $sidebarSupport.appendChild(restartBtn);
 }
 
 function buildTile(svc) {

app/sovran_systemsos_web/templates/index.html

@@ -24,6 +24,7 @@
     <span class="title">Sovran_SystemsOS Hub</span>
     <div class="header-buttons">
       <span class="role-badge" id="role-badge">Loading…</span>
+      <button class="btn btn-header-reboot" id="btn-header-reboot" title="Restart the entire computer">Reboot</button>
       <button class="btn btn-logout" id="btn-logout" title="Sign out">Sign Out</button>
     </div>
   </header>