chore: golemancy redesign cleanup — remove orphaned legacy code and update docs

src/lib/game/stores/manaStore.ts

@@ -19,6 +19,8 @@ export interface ManaState {
   meditateTicks: number;
   totalManaGathered: number;
   elements: Record<string, ElementState>;
+  /** Per-element net regen rates (from unified conversion system) */
+  elementRegen: Record<string, number>;
 }
 
 // ─── Mana Actions ────────────────────────────────────────────────────────────
@@ -40,6 +42,7 @@ export interface ManaActions {
   spendElementMana: (element: string, amount: number) => Result<void>;
   setElementMax: (max: number) => void;
   computeElementMaxWithBonuses: (perElementBonuses: Record<string, number>) => void;
+  setElementRegen: (regen: Record<string, number>) => void;
 
   // Reset
   resetMana: (prestigeUpgrades: Record<string, number>) => void;
@@ -66,6 +69,7 @@ export const useManaStore = create<ManaStore>()(
           }
         ])
       ) as Record<string, ElementState>,
+      elementRegen: {},
 
       setRawMana: (amount: number) => {
         set({ rawMana: Math.max(0, amount) });
@@ -148,17 +152,21 @@ export const useManaStore = create<ManaStore>()(
         });
       },
 
+      setElementRegen: (regen: Record<string, number>) => {
+        set({ elementRegen: regen });
+      },
+
       resetMana: (prestigeUpgrades: Record<string, number>) => {
         const elementMax = 10 + (prestigeUpgrades.elementalAttune || 0) * 25;
         const startingMana = 10 + (prestigeUpgrades.manaStart || 0) * 10;
-        set({ rawMana: startingMana, meditateTicks: 0, totalManaGathered: 0, elements: makeInitialElements(elementMax, prestigeUpgrades) });
+        set({ rawMana: startingMana, meditateTicks: 0, totalManaGathered: 0, elements: makeInitialElements(elementMax, prestigeUpgrades), elementRegen: {} });
       },
     }),
     {
       storage: createSafeStorage(),
       name: 'mana-loop-mana',
       version: 2,
-      partialize: (state) => ({ rawMana: state.rawMana, meditateTicks: state.meditateTicks, totalManaGathered: state.totalManaGathered, elements: state.elements }),
+      partialize: (state) => ({ rawMana: state.rawMana, meditateTicks: state.meditateTicks, totalManaGathered: state.totalManaGathered, elements: state.elements, elementRegen: state.elementRegen }),
       migrate: (persistedState: any, _version) => {
         if (persistedState && persistedState.elements) {
           for (const k of Object.keys(persistedState.elements)) {