Forge success label and real progress bar tied to server compile stages.

Replace Dispensed with Forged in the reveal modal, poll builder/progress with indeterminate-until-first-byte UX, and emit interpolated compile progress during long garble builds.

server/web/src/components/Forge/ForgeDispenseReveal.tsx

@@ -35,7 +35,7 @@ export default function ForgeDispenseReveal({ result, onClose }: Props) {
       <div className="forge-dispense-panel">
         <div className="forge-dispense-sigil" aria-hidden />
         <h2 id="forge-dispense-title" className="forge-dispense-title">
-          Dispensed
+          Forged
         </h2>
         <p className="forge-dispense-sub">
           {result.file_name || 'Your worker'} is ready — each forge carries a unique binary signature.