Fix LeftPanel.tsx to use modular stores instead of legacy useGameStore

- Added useCraftingStore import for crafting progress fields
- Changed spireMode/enterSpireMode to useCombatStore
- Changed currentStudyTarget to useSkillStore
- Changed crafting progress fields to useCraftingStore
- Added useCraftingStore export to stores/index.ts
- Kept useGameStore only for gatherMana, day, hour

src/lib/game/stores/index.ts

@@ -1,4 +1,4 @@
-// ─── Store Index ──────────────────────────────────────────────────────────────
+// ─── Store Index ──────────────────────────────────────────
 // Exports all stores and re-exports commonly used utilities
 
 // Stores
@@ -17,6 +17,9 @@ export type { SkillState } from './skillStore';
 export { useCombatStore, makeInitialSpells } from './combatStore';
 export type { CombatState } from './combatStore';
 
+export { useCraftingStore } from './craftingStore';
+export type { CraftingState, CraftingActions } from './craftingStore';
+
 export { useGameStore } from './gameStore';
 export { useGameLoop } from './gameHooks';
 export type { GameCoordinatorState, GameCoordinatorStore } from './gameStore';
@@ -31,16 +34,14 @@ export {
   computeRegen,
   computeEffectiveRegen,
   computeClickMana,
-  getElementalBonus,
+  getMeditationBonus,
   getBoonBonuses,
   calcDamage,
   calcInsight,
-  getMeditationBonus,
   getIncursionStrength,
   canAffordSpellCost,
   deductSpellCost,
 } from '../utils';
 
 export { computeElementMax } from '../store-modules/computed-stats';
-
 export { getStudySpeedMultiplier, getStudyCostMultiplier } from '../constants';