fix: resolve all TypeScript compilation errors

- Fixed DisciplinesAttunementType enum usage in discipline data files
- Fixed EquipmentSlot import in equipment/types.ts
- Fixed enchantment-effects.ts export/import chain
- Fixed safe-persist.ts StateStorage type compatibility
- Fixed store persist partial return types for all stores
- Fixed gameStore.ts ElementState type and error handling
- Fixed useGameDerived.ts missing properties on GameCoordinatorStore
- Added SkillUpgradeChoice type to types.ts
- Fixed ActionButtons.tsx optional currentStudyTarget prop
- Fixed GameToast.tsx Toast type compatibility
- Fixed EnchantmentDesigner sub-component type mismatches
- Fixed SpireCombatPage equippedInstances/equipmentInstances types
- Fixed page.tsx computeClickMana argument
- Added baseCastTime to SpellDef type
- Fixed golem/types.ts and loot-drops.ts import paths
- Fixed craftingStore.ts missing lastError in initial state and actions
- Fixed store-actions-combat-prestige.test.ts Memory type usage
- Fixed floor-utils.upgraded.test.ts array type annotation
- Fixed computed-stats.test.ts state type assertions
- Fixed activity-log.test.ts state type annotation
- Fixed discipline-math.test.ts enum value usage
- Fixed game-loop.test.ts vitest mock import
- Various other test file type fixes

src/lib/game/stores/craftingStore.ts

@@ -45,6 +45,7 @@ export const useCraftingStore = create<CraftingStore>()(
           selectedDesign: null,
           selectedEquipmentInstance: null,
         },
+        lastError: null,
 
         // Actions
         setDesignProgress: (progress) => set({ designProgress: progress }),
@@ -336,6 +337,8 @@ export const useCraftingStore = create<CraftingStore>()(
           unequipItemAction(slot, set);
         },
 
+        clearLastError: () => set({ lastError: null }),
+
         unlockEffects: (effectIds: string[]) => {
           set((state) => {
             const existing = new Set(state.unlockedEffects);
@@ -367,6 +370,7 @@ export const useCraftingStore = create<CraftingStore>()(
         equippedInstances: state.equippedInstances,
         lootInventory: state.lootInventory,
         enchantmentSelection: state.enchantmentSelection,
+        lastError: state.lastError,
       }),
     }
   )