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/lib/game/data/enchantments/spell-effects/index.ts

@@ -1,8 +1,23 @@
-// ─── Spell Enchantment Effects Index ───────────────────────────────
+// ─── Spell Enchantment Effects Index ───────────────────────
 // Re-exports all spell effects from modular files
 
 // Re-export types
 export type { EnchantmentEffectDef, ALL_CASTER } from './types';
 
-// Re-export data
-export { SPELL_EFFECTS } from './data';
+// Import all spell effect groups
+import { BASIC_SPELL_EFFECTS } from './basic-spells';
+import { LIGHTNING_SPELL_EFFECTS } from './lightning-spells';
+import { METAL_SPELL_EFFECTS } from './metal-spells';
+import { SAND_SPELL_EFFECTS } from './sand-spells';
+import { TIER2_SPELL_EFFECTS } from './tier2-spells';
+import { TIER3_SPELL_EFFECTS } from './tier3-spells';
+
+// Combine all spell effects into SPELL_EFFECTS
+export const SPELL_EFFECTS = {
+  ...BASIC_SPELL_EFFECTS,
+  ...LIGHTNING_SPELL_EFFECTS,
+  ...METAL_SPELL_EFFECTS,
+  ...SAND_SPELL_EFFECTS,
+  ...TIER2_SPELL_EFFECTS,
+  ...TIER3_SPELL_EFFECTS,
+};