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/utils/floor-utils.ts

@@ -14,5 +14,9 @@ export function getFloorMaxHP(floor: number): number {
 }
 
 export function getFloorElement(floor: number): string {
-  return FLOOR_ELEM_CYCLE[(floor - 1) % FLOOR_ELEM_CYCLE.length];
+  const len = FLOOR_ELEM_CYCLE.length;
+  const idx = ((floor - 1) % len + len) % len;
+  return FLOOR_ELEM_CYCLE[idx];
 }
+
+export { getDodgeChance } from './room-utils';

src/lib/game/utils/mana-utils.ts

@@ -13,8 +13,8 @@ export interface DisciplineBonuses {
 // ─── Mana Params ────────────────────────────────────────────────────────────
 
 export interface ManaComputeParams {
-  skills: Record<string, number>;
-  prestigeUpgrades: Record<string, number>;
+  skills?: Record<string, number>;
+  prestigeUpgrades?: Record<string, number>;
   skillUpgrades?: Record<string, string[]>;
   skillTiers?: Record<string, number>;
 }
@@ -31,15 +31,15 @@ export interface EffectiveRegenParams extends RegenComputeParams {
 // ─── Max Mana ────────────────────────────────────────────────────────────────
 
 export function computeMaxMana(
-  state: Pick<ManaComputeParams, 'skills' | 'prestigeUpgrades'> & Partial<Pick<ManaComputeParams, 'skillUpgrades' | 'skillTiers'>>,
+  state: Partial<ManaComputeParams>,
   effects?: ComputedEffects,
   discipline?: DisciplineBonuses,
 ): number {
-  const pu = state.prestigeUpgrades;
+  const pu = state.prestigeUpgrades || {};
   const base =
     100 +
     ((state.skills || {}).manaWell || 0) * 100 +
-    ((pu || {}).manaWell || 0) * 500 +
+    (pu.manaWell || 0) * 500 +
     (discipline?.bonuses?.maxManaBonus || 0);
 
   if (effects) {
@@ -55,7 +55,7 @@ export function computeRegen(
   effects?: ComputedEffects,
   discipline?: DisciplineBonuses,
 ): number {
-  const pu = state.prestigeUpgrades;
+  const pu = state.prestigeUpgrades || {};
   const temporalBonus = 1 + (pu.temporalEcho || 0) * 0.1;
   const base =
     2 +

src/lib/game/utils/safe-persist.ts

@@ -10,13 +10,14 @@ import type { StateStorage } from 'zustand/middleware';
  * - Quota exceeded → logs warning, skips write
  * - Other errors → logs warning, graceful fallback
  */
-export function createSafeStorage(): StateStorage {
-  return {
-    getItem: (name: string): unknown => {
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export function createSafeStorage(): any {
+  const storage: StateStorage = {
+    getItem: (name: string): string | null | Promise<string | null> => {
       try {
         const str = localStorage.getItem(name);
         if (str === null) return null;
-        return JSON.parse(str);
+        return str;
       } catch (error) {
         console.warn(`[persist] Failed to read "${name}" from localStorage:`, error);
         try {
@@ -46,4 +47,5 @@ export function createSafeStorage(): StateStorage {
       }
     },
   };
+  return storage;
 }