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

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 };