Split custom world generation into staged lightweight batches

src/hooks/useStoryGeneration.ts

@@ -41,6 +41,7 @@ import {
   resolveFunctionOption,
   sortStoryOptionsByPriority,
 } from '../data/stateFunctions';
+import { applyStoryReasoningRecovery } from '../data/storyRecovery';
 import { generateInitialStory, generateNextStep } from '../services/ai';
 import {
   Character,
@@ -475,7 +476,9 @@ function getStoryGenerationHostileNpcs(state: GameState) {
 }
 
 function getResolvedSceneHostileNpcs(state: GameState) {
-  return state.sceneHostileNpcs ?? state.sceneMonsters;
+  return state.sceneMonsters.length > 0
+    ? state.sceneMonsters
+    : (state.sceneHostileNpcs ?? []);
 }
 
 function sanitizeOptions(
@@ -1439,6 +1442,7 @@ export function useStoryGeneration({
       buildStoryContextFromState,
       buildFallbackStoryForState,
       buildDialogueStoryMoment,
+      generateStoryForState,
       getStoryGenerationHostileNpcs,
       getTypewriterDelay,
       getAvailableOptionsForState,
@@ -1482,6 +1486,7 @@ export function useStoryGeneration({
           character: gameState.playerCharacter,
           history: [],
         });
+        setGameState(applyStoryReasoningRecovery(gameState));
         setCurrentStory(nextStory);
       } catch (error) {
         console.error('Failed to start story:', error);
@@ -1508,6 +1513,7 @@ export function useStoryGeneration({
     gameState.sceneHostileNpcs,
     gameState.worldType,
     isLoading,
+    setGameState,
     startOpeningAdventure,
   ]);