AV Beat rebrand: theme swap (orange #E67E22 / near-black), logo, schema default → avb

- public/assets/images/logo.png + public/brand/logo*.png replaced with the 1320x310 AV Beat logo
- public/assets/logos/avbeat.png added as the canonical source
- tailwind.config.js + src/styles/tailwind.css + src/styles/redesign-tokens.css palette swapped (primary #0F0E0E, secondary #1D1A1A, accent #E67E22 orange, foreground #F0EBE6 warm white)
- Layout / robots / sitemap / home-page / about / contact / press-kit / team / global-error metadata switched to AV Beat (Where AV Meets IT)
- Bulk replaced 'Broadcast Beat'/'BroadcastBeat.com'/'broadcastbeat.com' across user-facing news/forum/marketplace/advertise/search/newsletter pages
- src/lib/supabase/{admin,server,client} now default to schema 'avb' (was 'bb') — overridable via NEXT_PUBLIC_SUPABASE_SCHEMA
- package.json renamed to 'avbeat'
- Single d60701 reference in about/team swapped to E67E22

Design-only replica — no article content migrated.

src/app/about/contact/page.tsx

@@ -2,13 +2,13 @@ import Header from "@/components/Header";
 import Footer from "@/components/Footer";
 import SidebarAdStack from "@/components/SidebarAdStack";
 
-export const metadata = { title: "Contact — Broadcast Beat" };
+export const metadata = { title: "Contact — AV Beat" };
 
 const CONTACTS = [
   {
     title: "Editorial",
     body: (
-      <a className="text-[var(--color-text-info,#60a5fa)] hover:underline" href="mailto:editor@broadcastbeat.com">editor@broadcastbeat.com</a>
+      <a className="text-[var(--color-text-info,#60a5fa)] hover:underline" href="mailto:editor@avbeat.com">editor@avbeat.com</a>
     ),
     hint: "Story tips, corrections, interview requests.",
   },
@@ -26,7 +26,7 @@ const CONTACTS = [
     title: "Advertising",
     body: (
       <>
-        <a className="text-[var(--color-text-info,#60a5fa)] hover:underline" href="mailto:advertising@broadcastbeat.com">advertising@broadcastbeat.com</a> — see the{" "}
+        <a className="text-[var(--color-text-info,#60a5fa)] hover:underline" href="mailto:advertising@avbeat.com">advertising@avbeat.com</a> — see the{" "}
         <a className="text-[var(--color-text-info,#60a5fa)] hover:underline" href="/about/advertise">media kit</a>.
       </>
     ),
@@ -52,8 +52,8 @@ export default function ContactPage() {
         <div className="lg:grid lg:grid-cols-[1fr,300px] lg:gap-10">
           <main>
             <header className="mb-8 border-b border-[#252525] pb-6">
-              <div className="text-[10px] font-mono uppercase tracking-[0.22em] text-[var(--color-text-info,#60a5fa)] mb-2">
-                Broadcast Beat
+              <div className="text-[10px] font-mono uppercase tracking-[0.22em] text-[var(--color-text-info,#E67E22)] mb-2">
+                AV Beat · Where AV Meets IT
               </div>
               <h1 className="font-serif text-4xl md:text-5xl font-bold tracking-tight">Contact</h1>
               <p className="mt-3 text-[#9ca3af] text-base">