Slug-based scenarios, quests and offers per the environments contract; regenerated models; e2e seed passes environment to admin mirrors

Claude-Session: https://claude.ai/code/session_01SMCvdwDmuxoaqGgvGBLk1V

src/domains/StoresDomain.ts

@@ -14,7 +14,7 @@ import type { PurchaseOfferResponse } from '../generated/stores.js';
 export class StoresDomain extends SyncedState<ShopHandle[]> {
   readonly syncKey = 'stores';
 
-  /** Shared purchase executor: `stores.purchase(slug, offerId, opts)`. */
+  /** Shared purchase executor: `stores.purchase(slug, offerSlug, opts)`. */
   readonly purchase: PurchaseOffer;
 
   private readonly ctx: RudderContext;
@@ -24,15 +24,15 @@ export class StoresDomain extends SyncedState<ShopHandle[]> {
     // handles created in the loader all delegate to this one executor.
     const purchase: PurchaseOffer = async (
       storeSlug: string,
-      offerId: string,
+      offerSlug: string,
       options: BuyOptions = {},
     ): Promise<PurchaseOfferResponse> => {
       const response = await api.purchaseOffer(
         ctx,
-        { storeSlug, offerId },
+        { storeSlug, offerSlug },
         {
           storeSlug,
-          offerId,
+          offerSlug,
           idempotencyKey: options.idempotencyKey ?? crypto.randomUUID(),
         },
       );