fix(frontend): rebrand Bete → GMW (title, logo aria-label, dashboard heading)

- layout.tsx metadata title: Bete → GMW - Discord Moderation Console
- spine.tsx logo aria-label: Bete → GMW
- dashboard/view.tsx heading: Bete Console → GMW Console
(tsc clean, next build green)

services/frontend/src/app/(dashboard)/dashboard/view.tsx

@@ -192,7 +192,7 @@ function Hero({
       </div>
       <div className="relative z-10 flex flex-wrap items-center justify-between gap-4">
         <div>
-          <div className="display text-3xl">Bete Console</div>
+          <div className="display text-3xl">GMW Console</div>
           <div className="mt-1 text-sm text-[var(--color-ink-soft)]">
             {stats?.total_messages?.toLocaleString() ?? 0} messages watched ·{" "}
             {stats?.total_users?.toLocaleString() ?? 0} users

services/frontend/src/app/layout.tsx

@@ -23,7 +23,7 @@ const bricolage = Bricolage_Grotesque({
 });
 
 export const metadata: Metadata = {
-  title: "Bete — Discord Moderation Console",
+  title: "GMW — Discord Moderation Console",
   description:
     "AI-powered Discord moderation, voice monitoring, and media control console",
 };

services/frontend/src/components/layout/spine.tsx

@@ -26,7 +26,7 @@ export function Spine() {
         <Link
           href="/dashboard"
           className="mb-3 flex size-9 items-center justify-center rounded-[var(--radius-r-control)] bg-[var(--color-signal)] text-sm font-black text-[var(--color-signal-ink)]"
-          aria-label="Bete"
+          aria-label="GMW"
         >
           B
         </Link>