[orchestrator] fix tsc break introduced by happy-dom install

Adding happy-dom hoisted @types/node, changing global setTimeout's return type;
src/ui/fax.ts stampTimer is a DOM timer id, so use window.setTimeout. One-line
cross-lane touch by the orchestrator to unbreak the build it broke.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

fktry/src/ui/fax.ts

@@ -64,7 +64,7 @@ export function createFax(data: GameData): Fax {
       void stampEl.offsetWidth; // force reflow so the animation re-runs
       cls(stampEl, 'is-on', true);
       clearTimeout(stampTimer);
-      stampTimer = setTimeout(() => cls(stampEl, 'is-on', false), STAMP_MS);
+      stampTimer = window.setTimeout(() => cls(stampEl, 'is-on', false), STAMP_MS);
     },
   };
 }