App-Kopf auch im Erst-Setup

src/app/page.tsx

@@ -267,7 +267,25 @@ export default function Home() {
   if (!settings.weekdayTargets) {
     return (
       <main className="app">
-        <h1>MyTime</h1>
+        <header className="app-header">
+          <h1 className={titleFont.className} aria-label="MyTime">
+            My<span className="title-accent">Time</span>
+          </h1>
+          <div className="header-actions">
+            <ThemeToggle variant="icon" />
+            {authStatus?.user && (
+              <button
+                type="button"
+                className="header-icon"
+                aria-label="Abmelden"
+                title="Abmelden"
+                onClick={logout}
+              >
+                <LogoutIcon />
+              </button>
+            )}
+          </div>
+        </header>
         <p>Lege zuerst deine wöchentlichen Sollstunden fest.</p>
         <SettingsTabs
           initial={settings}