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/generated/quests.ts

@@ -3,7 +3,7 @@
 import type { Reward } from './common.js';
 
 export interface ClaimQuestRequest {
-  "questId"?: string;
+  "questSlug"?: string;
 }
 
 export interface ClaimQuestResponse {
@@ -18,10 +18,10 @@ export interface ListQuestsResponse {
 }
 
 export interface Quest {
-  "id"?: string;
   "name"?: string;
   "objectives"?: QuestObjectiveProgress[];
   "rewards"?: Reward[];
+  "slug"?: string;
   "status"?: "active" | "claimed" | "completed";
 }
 
@@ -39,6 +39,6 @@ export interface ReportQuestProgressRequest {
 }
 
 export interface ReportQuestProgressResponse {
-  "completedQuestIds"?: string[];
+  "completedQuestSlugs"?: string[];
 }