Prepare clean production setup and coming-soon cover

frontend/app/coming-soon/page.tsx

@@ -0,0 +1,17 @@
+import './style.css'
+
+export const metadata = { title: 'Coming soon | Magent — Grizzlyflix' }
+
+export default function ComingSoonPage() {
+  return <main className="launch-cover">
+    <div className="launch-brand">GRIZZLYFLIX</div>
+    <span className="launch-badge">COMING SOON</span>
+    <h1>Your next watch.<br /><em>Made simpler.</em></h1>
+    <p className="launch-intro">The new Magent is on its way. Easier requests, clearer updates and a simpler way to get things fixed.</p>
+    <div className="launch-path" aria-label="Request journey">
+      {['Request', 'Track', 'Watch'].map((label, index) => <div key={label}><span>0{index + 1}</span><strong>{label}</strong></div>)}
+    </div>
+    <p className="launch-note">We’re getting everything ready. Check back soon.</p>
+    <footer><strong>Magent</strong><span>Grizzlyflix member portal</span><a href="/login">Admin sign in</a></footer>
+  </main>
+}