fix: mana conversion attunement rate now uses flat base + linear multiplier per spec

src/components/game/tabs/StatsTab/ElementStatsSection.tsx

@@ -9,7 +9,7 @@ import { usePrestigeStore, useManaStore, useAttunementStore, useDisciplineStore,
 import { computeDisciplineEffects } from '@/lib/game/effects/discipline-effects';
 import { computeConversionRates } from '@/lib/game/utils/conversion-rates';
 import { getGuardianForFloor } from '@/lib/game/data/guardian-encounters';
-import { ATTUNEMENTS_DEF, getAttunementConversionRate } from '@/lib/game/data/attunements';
+import { ATTUNEMENTS_DEF } from '@/lib/game/data/attunements';
 import { useMemo } from 'react';
 import type { ElementState } from '@/lib/game/types';
 
@@ -38,7 +38,7 @@ export function ElementStatsSection({ elemMax }: ElementStatsSectionProps) {
       const def = ATTUNEMENTS_DEF[id];
       if (def?.primaryManaType) {
         grossRegen[def.primaryManaType] = (grossRegen[def.primaryManaType] || 0)
-          + getAttunementConversionRate(id, state.level || 1);
+          + (def.conversionRate || 0);
       }
     }
     const invokerLevel = attunements.invoker?.active ? (attunements.invoker.level || 1) : 0;

src/lib/game/__tests__/bug-fixes.test.ts

@@ -66,13 +66,14 @@ describe('Attunement Mana Type Unlocking', () => {
     const enchanter = ATTUNEMENTS_DEF['enchanter'];
     expect(enchanter.conversionRate).toBeGreaterThan(0);
     
-    // Get scaled conversion rate at level 1
+    // Base conversion rate is flat (not scaled by level)
+    // Level scaling is applied as a multiplier in computeConversionRates(), not here
     const level1Rate = getAttunementConversionRate('enchanter', 1);
     expect(level1Rate).toBe(enchanter.conversionRate);
     
-    // Higher level should have higher rate
+    // Flat rate: same at all levels (level multiplier applied separately)
     const level5Rate = getAttunementConversionRate('enchanter', 5);
-    expect(level5Rate).toBeGreaterThan(level1Rate);
+    expect(level5Rate).toBe(level1Rate);
   });
 
   it('should have raw mana regen for all attunements', () => {

src/lib/game/data/attunements.ts

@@ -99,12 +99,13 @@ export function getTotalAttunementRegen(attunements: Record<string, { active: bo
 
 /**
  * Get the attunement base conversion rate for a specific attunement.
- * This is the base rate contribution to the unified conversion system.
+ * This is the flat base rate contribution to the unified conversion system.
+ * Level scaling is applied as a multiplier in computeConversionRates(), not here.
  */
 export function getAttunementConversionRate(attunementId: string, level: number): number {
   const def = ATTUNEMENTS_DEF[attunementId];
   if (!def || def.conversionRate <= 0) return 0;
-  return def.conversionRate * Math.pow(1.5, (level || 1) - 1);
+  return def.conversionRate;
 }
 
 /**

src/lib/game/stores/gameStore.ts

@@ -19,7 +19,7 @@ import { useCombatStore } from './combatStore';
 import { useAttunementStore } from './attunementStore';
 import { useCraftingStore } from './craftingStore';
 import { useDisciplineStore } from './discipline-slice';
-import { ATTUNEMENTS_DEF, getAttunementConversionRate } from '../data/attunements';
+import { ATTUNEMENTS_DEF } from '../data/attunements';
 import { createResetGame, createGatherMana } from './gameActions';
 import { createSafeStorage } from '../utils/safe-persist';
 import { createStartNewLoop } from './gameLoopActions';
@@ -369,7 +369,7 @@ function buildConversionParams(
     const def = ATTUNEMENTS_DEF[id];
     if (def?.primaryManaType) {
       grossRegen[def.primaryManaType] = (grossRegen[def.primaryManaType] || 0)
-        + getAttunementConversionRate(id, state.level || 1);
+        + (def.conversionRate || 0);
     }
   }
   return { pactElementMap, grossRegen };