Split custom world generation into staged lightweight batches

src/hooks/useGamePersistence.ts

@@ -1,6 +1,6 @@
 import {useCallback, useEffect, useState} from 'react';
 
-import { getCharacterMaxMana } from '../data/characterPresets';
+import { getCharacterMaxHp, getCharacterMaxMana } from '../data/characterPresets';
 import { normalizeRoster } from '../data/companionRoster';
 import { getInitialPlayerCurrency } from '../data/economy';
 import {
@@ -16,7 +16,6 @@ import {clearSavedSnapshot, readSavedSnapshot, writeSavedSnapshot} from '../pers
 import { GameState, StoryMoment } from '../types';
 import { BottomTab } from './useGameFlow';
 
-const PLAYER_BASE_MAX_HP = 180;
 const AUTO_SAVE_DELAY_MS = 400;
 
 function normalizeSavedStory(story: StoryMoment | null) {
@@ -94,10 +93,16 @@ function normalizeSavedGameState(gameState: GameState) {
     ? normalizedEncounterState.playerEquipment
     : buildInitialEquipmentLoadout(normalizedEncounterState.playerCharacter);
 
+  const playerMaxHp = getCharacterMaxHp(
+    normalizedEncounterState.playerCharacter,
+    normalizedEncounterState.worldType,
+    normalizedEncounterState.customWorldProfile,
+  );
+
   return applyEquipmentLoadoutToState({
     ...normalizedCommonState,
-    playerMaxHp: PLAYER_BASE_MAX_HP,
-    playerHp: Math.min(normalizedEncounterState.playerHp, PLAYER_BASE_MAX_HP),
+    playerMaxHp,
+    playerHp: Math.min(normalizedEncounterState.playerHp, playerMaxHp),
     playerMaxMana: getCharacterMaxMana(normalizedEncounterState.playerCharacter),
     playerMana: getCharacterMaxMana(normalizedEncounterState.playerCharacter),
     playerEquipment: createEmptyEquipmentLoadout(),