feat(types): add SiteStep and refactor GameStep for new intro flow

src/types/game.ts

@@ -1,24 +1,22 @@
-import type { Vector3Tuple } from "@/types/three/three";
 import type { RepairMissionId } from "@/types/gameplay/repairMission";
 
+/**
+ * Steps for the /site onboarding page
+ */
+export type SiteStep =
+  | "welcome" // Écran 1: Bienvenue à Altera
+  | "situation" // Écran 2: Quelle est votre situation
+  | "naming" // Écran 3: Quel est votre prénom (Danyl)
+  | "transition"; // Fondu noir + dialogue final
+
+/**
+ * Steps for the intro sequence (after /site, on / route)
+ */
 export type GameStep =
-  | "intro"
-  | "start-intro"
-  | "naming"
-  | "bienvenue"
-  | "star-move"
-  | "mission2"
-  | "searching"
-  | "helped"
-  | "manipulation"
-  | "outOfFabrik";
+  | "loading-map" // Chargement des assets
+  | "video" // Vidéo intro.mp4
+  | "dialogue-intro" // Dialogues post-vidéo (écran noir)
+  | "reveal" // Fondu noir → jeu visible
+  | "playing"; // Intro terminée, jeu actif
 
 export type MainGameState = "intro" | RepairMissionId | "outro";
-
-export interface Zone {
-  id: string;
-  position: Vector3Tuple;
-  radius: number;
-  height: number;
-  targetStep: GameStep;
-}