fix: remove unused imports from GolemancyTab and fix build error

src/components/game/tabs/GolemancyTab.tsx

@@ -1,18 +1,15 @@
 'use client';
 
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
-import { Button } from '@/components/ui/button';
 import { Badge } from '@/components/ui/badge';
 import { ScrollArea } from '@/components/ui/scroll-area';
 import { Separator } from '@/components/ui/separator';
 import { 
-  Golem, Zap, Clock, Swords, Shield, Target, Sparkles, Lock, Check, X
+  Mountain, Zap, Clock, Swords, Target, Sparkles, Lock, Check, X
 } from 'lucide-react';
 import { GOLEMS_DEF, getGolemSlots, isGolemUnlocked, getGolemDamage, getGolemAttackSpeed, getGolemFloorDuration } from '@/lib/game/data/golems';
 import { ELEMENTS } from '@/lib/game/constants';
-import { fmt } from '@/lib/game/store';
 import type { GameStore } from '@/lib/game/store';
-import type { GolemancyState, AttunementState, ElementState } from '@/lib/game/types';
 
 export interface GolemancyTabProps {
   store: GameStore;
@@ -108,7 +105,7 @@ export function GolemancyTab({ store }: GolemancyTabProps) {
         <CardHeader className="pb-2">
           <CardTitle className="text-sm flex items-center justify-between">
             <div className="flex items-center gap-2">
-              <Golem className="w-4 h-4" style={{ color: elementColor }} />
+              <Mountain className="w-4 h-4" style={{ color: elementColor }} />
               <span style={{ color: elementColor }}>{golem.name}</span>
             </div>
             <div className="flex items-center gap-1">
@@ -215,7 +212,7 @@ export function GolemancyTab({ store }: GolemancyTabProps) {
       <Card className="bg-gray-900/80 border-gray-700">
         <CardHeader className="pb-2">
           <CardTitle className="text-lg flex items-center gap-2">
-            <Golem className="w-5 h-5 text-amber-500" />
+            <Mountain className="w-5 h-5 text-amber-500" />
             Golemancy
           </CardTitle>
         </CardHeader>
@@ -278,7 +275,7 @@ export function GolemancyTab({ store }: GolemancyTabProps) {
                 
                 return (
                   <Badge key={sg.golemId} variant="outline" className="text-sm py-1 px-2">
-                    <Golem className="w-3 h-3 mr-1" style={{ color: elem?.color }} />
+                    <Mountain className="w-3 h-3 mr-1" style={{ color: elem?.color }} />
                     {golem?.name}
                   </Badge>
                 );

src/lib/game/data/golems.ts

@@ -356,3 +356,116 @@ export function getGolemAttackSpeed(
 export function getGolemFloorDuration(skills: Record<string, number>): number {
   return 1 + (skills.golemLongevity || 0);
 }
+
+// Get maintenance cost multiplier (Golem Siphon reduces by 10% per level)
+export function getGolemMaintenanceMultiplier(skills: Record<string, number>): number {
+  return 1 - (skills.golemSiphon || 0) * 0.1;
+}
+
+// Check if player can afford golem summon cost
+export function canAffordGolemSummon(
+  golemId: string,
+  rawMana: number,
+  elements: Record<string, { current: number; max: number; unlocked: boolean }>
+): boolean {
+  const golem = GOLEMS_DEF[golemId];
+  if (!golem) return false;
+  
+  for (const cost of golem.summonCost) {
+    if (cost.type === 'raw') {
+      if (rawMana < cost.amount) return false;
+    } else if (cost.element) {
+      const elem = elements[cost.element];
+      if (!elem || !elem.unlocked || elem.current < cost.amount) return false;
+    }
+  }
+  
+  return true;
+}
+
+// Deduct golem summon cost from mana pools
+export function deductGolemSummonCost(
+  golemId: string,
+  rawMana: number,
+  elements: Record<string, { current: number; max: number; unlocked: boolean }>
+): { rawMana: number; elements: Record<string, { current: number; max: number; unlocked: boolean }> } {
+  const golem = GOLEMS_DEF[golemId];
+  if (!golem) return { rawMana, elements };
+  
+  let newRawMana = rawMana;
+  let newElements = { ...elements };
+  
+  for (const cost of golem.summonCost) {
+    if (cost.type === 'raw') {
+      newRawMana -= cost.amount;
+    } else if (cost.element && newElements[cost.element]) {
+      newElements = {
+        ...newElements,
+        [cost.element]: {
+          ...newElements[cost.element],
+          current: newElements[cost.element].current - cost.amount,
+        },
+      };
+    }
+  }
+  
+  return { rawMana: newRawMana, elements: newElements };
+}
+
+// Check if player can afford golem maintenance for one tick
+export function canAffordGolemMaintenance(
+  golemId: string,
+  rawMana: number,
+  elements: Record<string, { current: number; max: number; unlocked: boolean }>,
+  skills: Record<string, number>
+): boolean {
+  const golem = GOLEMS_DEF[golemId];
+  if (!golem) return false;
+  
+  const maintenanceMult = getGolemMaintenanceMultiplier(skills);
+  
+  for (const cost of golem.maintenanceCost) {
+    const adjustedAmount = cost.amount * maintenanceMult;
+    if (cost.type === 'raw') {
+      if (rawMana < adjustedAmount) return false;
+    } else if (cost.element) {
+      const elem = elements[cost.element];
+      if (!elem || !elem.unlocked || elem.current < adjustedAmount) return false;
+    }
+  }
+  
+  return true;
+}
+
+// Deduct golem maintenance cost for one tick
+export function deductGolemMaintenance(
+  golemId: string,
+  rawMana: number,
+  elements: Record<string, { current: number; max: number; unlocked: boolean }>,
+  skills: Record<string, number>
+): { rawMana: number; elements: Record<string, { current: number; max: number; unlocked: boolean }> } {
+  const golem = GOLEMS_DEF[golemId];
+  if (!golem) return { rawMana, elements };
+  
+  const maintenanceMult = getGolemMaintenanceMultiplier(skills);
+  
+  let newRawMana = rawMana;
+  let newElements = { ...elements };
+  
+  for (const cost of golem.maintenanceCost) {
+    const adjustedAmount = cost.amount * maintenanceMult;
+    if (cost.type === 'raw') {
+      newRawMana -= adjustedAmount;
+    } else if (cost.element && newElements[cost.element]) {
+      newElements = {
+        ...newElements,
+        [cost.element]: {
+          ...newElements[cost.element],
+          current: newElements[cost.element].current - adjustedAmount,
+        },
+      };
+    }
+  }
+  
+  return { rawMana: newRawMana, elements: newElements };
+}

src/lib/game/store.ts

@@ -48,7 +48,7 @@ import {
 import { EQUIPMENT_TYPES } from './data/equipment';
 import { ENCHANTMENT_EFFECTS, calculateEffectCapacityCost } from './data/enchantment-effects';
 import { ATTUNEMENTS_DEF, getTotalAttunementRegen, getAttunementConversionRate, getAttunementXPForLevel, MAX_ATTUNEMENT_LEVEL } from './data/attunements';
-import { GOLEMS_DEF, getGolemSlots, isGolemUnlocked, getGolemDamage, getGolemAttackSpeed, getGolemFloorDuration } from './data/golems';
+import { GOLEMS_DEF, getGolemSlots, isGolemUnlocked, getGolemDamage, getGolemAttackSpeed, getGolemFloorDuration, canAffordGolemSummon, deductGolemSummonCost, canAffordGolemMaintenance, deductGolemMaintenance } from './data/golems';
 
 // Default empty effects for when effects aren't provided
 const DEFAULT_EFFECTS: ComputedEffects = {