export interface Transaction {
    id: number;
    amount: number;
    category: string;
    date: string; // ISO 8601 YYYY-MM-DD
    description?: string;
    type: 'income' | 'expense';
}

export interface Asset {
    id: number;
    name: string;
    type: 'stock' | 'crypto' | 'real_estate' | 'fund' | 'other';
    value: number;
    quantity?: number;
    purchase_date?: string;
}

export interface Goal {
    id: number;
    name: string;
    target_amount: number;
    current_amount: number;
    deadline?: string;
}