chore: sync post-pack UI help and pathforge tweaks

server/web/src/pages/BuildManagerPage.tsx

@@ -397,8 +397,9 @@ export default function BuildManagerPage() {
 
   return (
     <div className="page fade-in bm-page operator-deck-page">
-      <div className="bm-header">
-        <div>
+      <header className="deck-hero">
+        <div className="deck-hero-text">
+          <p className="deck-eyebrow font-tech">WORKER BUILDS · DEPLOY &amp; MANAGE</p>
           <h1 className="font-display bm-title">Build Manager</h1>
           <p className="form-hint bm-subtitle">
             All forged workers — download, deploy, re-forge, or delete from any browser.
@@ -412,7 +413,7 @@ export default function BuildManagerPage() {
             ⚒ New Forge
           </button>
         </div>
-      </div>
+      </header>
 
       {error && (
         <div className="form-error" style={{ marginBottom: '1rem' }}>