manufacturers: rename 'Manufacturer Directory' to 'Production Industry Manufacturers'

H1, page metadata title, OG title, and the back-link on individual
manufacturer profiles all swap to the new label.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/app/manufacturers/[slug]/page.tsx

@@ -167,7 +167,7 @@ export default async function ManufacturerProfile({
       <article className="max-w-4xl mx-auto px-4 py-10">
         <nav className="text-xs text-[#888] mb-6">
           <Link href="/manufacturers" className="hover:text-[#3b82f6]">
-            ← Manufacturer Directory
+            ← Production Industry Manufacturers
           </Link>
         </nav>
 

src/app/manufacturers/page.tsx

@@ -8,12 +8,12 @@ import ManufacturerDirectoryClient from "./DirectoryClient";
 export const revalidate = 1800;
 
 export const metadata: Metadata = {
-  title: "Manufacturer Directory — Broadcast Beat",
+  title: "Production Industry Manufacturers — Broadcast Beat",
   description:
     "Browse 1,000+ broadcast, post-production, and live-production manufacturers exhibiting at NAB Show and IBC. Find vendor profiles, booth numbers, product categories, and the latest news from each company.",
   alternates: { canonical: "/manufacturers" },
   openGraph: {
-    title: "Broadcast Manufacturer Directory",
+    title: "Production Industry Manufacturers — Broadcast Beat",
     description:
       "Comprehensive directory of broadcast industry manufacturers, exhibitors, and vendors.",
     type: "website",
@@ -77,7 +77,7 @@ export default async function ManufacturersIndex() {
       <div className="max-w-6xl mx-auto px-4 py-10">
         <header className="mb-8">
           <h1 className="text-3xl md:text-4xl font-display font-bold text-[#e0e0e0] mb-2">
-            Manufacturer Directory
+            Production Industry Manufacturers
           </h1>
           <p className="text-[#e0e0e0]/70 text-base max-w-3xl">
             {list.length.toLocaleString()} broadcast, post-production, and live-production