Fix build errors: update imports and re-exports

- Fixed equipment/index.ts imports (use correct export names: ACCESSORIES_EQUIPMENT, CASTER_EQUIPMENT, etc.)
- Fixed page.tsx: added lazy, Suspense imports from react
- Fixed page.tsx: updated getUnifiedEffects import from @/lib/game/effects
- Fixed ManaTypeBreakdown.tsx: updated computeEffectiveRegenForDisplay import
- Fixed SpireTab.tsx: updated getEnemyName import from enemy-utils
- Fixed LeftPanel.tsx: updated getUnifiedEffects import from @/lib/game/effects
- Build now succeeds with all tabs working

src/components/game/stats/ManaTypeBreakdown.tsx

@@ -5,7 +5,8 @@ import { fmt, fmtDec } from '@/lib/game/store';
 import type { GameStore } from '@/lib/game/types';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
 import { ATTUNEMENTS_DEF, getAttunementConversionRate } from '@/lib/game/data/attunements';
-import { computeEffectiveRegenForDisplay, computeMaxMana, computeElementMax } from '@/lib/game/store';
+import { computeMaxMana, computeElementMax } from '@/lib/game/store';
+import { computeEffectiveRegenForDisplay } from '@/lib/game/store-modules/computed-stats';
 import { getUnifiedEffects } from '@/lib/game/effects';
 import { Droplet } from 'lucide-react';
 import { Separator } from '@/components/ui/separator';

src/components/game/tabs/SpireTab.tsx

@@ -6,7 +6,8 @@ import { Mountain } from 'lucide-react';
 import type { ActivityLogEntry } from '@/lib/game/types';
 import type { GameStore } from '@/lib/game/store';
 import { ELEMENTS, GUARDIANS, SPELLS_DEF } from '@/lib/game/constants';
-import { getEnemyName, calcDamage } from '@/lib/game/store';
+import { calcDamage } from '@/lib/game/store';
+import { getEnemyName } from '@/lib/game/store-modules/enemy-utils';
 import { getActiveEquipmentSpells, getTotalDPS } from '@/lib/game/computed-stats';
 import { getUnifiedEffects } from '@/lib/game/effects';
 import { formatSpellCost, getSpellCostColor } from '@/lib/game/formatting';