1export type UpgradeType = 'clickValue' | 'passive' | 'autoClick';
 2
 3export interface Upgrade {
 4  id: string;
 5  name: string;
 6  description: string;
 7  type: UpgradeType;
 8  level: number;
 9  maxLevel?: number;
10  value: number;
11  baseValue: number;
12  cost: number;
13  baseCost: number;
14  costMultiplier: number;
15  icon: string;
16}
17
18export interface PrestigeUpgrade {
19  id: string;
20  name: string;
21  description: string;
22  cost: number;
23  multiplierBonus: number;
24  purchased: boolean;
25  icon: string;
26}
27
28export interface GameState {
29  currency: number;
30  totalCurrency: number;
31  clickValue: number;
32  passiveIncome: number;
33  autoClickRate: number;
34  prestigePoints: number;
35  prestigeMultiplier: number;
36  lastSaveTime: number;
37  upgrades: Upgrade[];
38  prestigeUpgrades: PrestigeUpgrade[];
39}