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/components/game/tabs/EquipmentControls.tsx

@@ -1,13 +1,12 @@
 'use client';
 
 import { EquipmentSlot } from '@/lib/game/data/equipment';
-import type { GameStore } from '@/lib/game/types';
+// GameStore import removed - not used
 import { ActionButton } from '@/components/ui/action-button';
 import { Tooltip, TooltipContent, TooltipProvider, TooltipTrigger } from '@/components/ui/tooltip';
 import { X } from 'lucide-react';
 
 interface EquipmentControlsProps {
-  store: GameStore;
   onUnequip: (slot: EquipmentSlot) => void;
   onDelete: (instanceId: string, name: string) => void;
   selectedSlot: EquipmentSlot | null;
@@ -17,7 +16,6 @@ interface EquipmentControlsProps {
 }
 
 export function EquipmentControls({
-  store,
   onUnequip,
   onDelete,
   selectedSlot,