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/components/CompaniesInThisStory.tsx

@@ -57,7 +57,7 @@ export default async function CompaniesInThisStory({ slugs }: { slugs: string[]
 
   return (
     <div className="bg-[#111] border border-[#222] p-5">
-      <h3 className="font-body font-bold text-xs text-[#3b82f6] uppercase tracking-widest mb-4 pb-2 border-b border-[#222]">
+      <h3 className="font-body font-bold text-xs text-[#E67E22] uppercase tracking-widest mb-4 pb-2 border-b border-[#222]">
         Companies in this story
       </h3>
       <ul className="space-y-3">
@@ -83,7 +83,7 @@ export default async function CompaniesInThisStory({ slugs }: { slugs: string[]
               )}
               <div className="min-w-0 flex-1">
                 <div className="flex items-center gap-1 flex-wrap">
-                  <span className="font-heading text-[#e0e0e0] text-sm font-bold group-hover:text-[#3b82f6] transition-colors truncate">
+                  <span className="font-heading text-[#e0e0e0] text-sm font-bold group-hover:text-[#E67E22] transition-colors truncate">
                     {t.name}
                   </span>
                 </div>