Clear persistent budget data

Clear persistent budget data to ensure a clean state.

src/contexts/budget/budgetUtils.ts

@@ -2,14 +2,14 @@
 import { BudgetData, BudgetPeriod, CategoryBudget, Transaction } from './types';
 import { EXPENSE_CATEGORIES } from '@/constants/categoryIcons';
 
-// 기본 데이터 상수
+// 기본 데이터 상수 (기본값을 0으로 변경)
 export const DEFAULT_CATEGORY_BUDGETS: Record<string, number> = {
-  식비: 400000,
-  생활비: 600000,
-  교통비: 200000
+  식비: 0,
+  생활비: 0,
+  교통비: 0
 };
 
-export const DEFAULT_MONTHLY_BUDGET = 1200000;
+export const DEFAULT_MONTHLY_BUDGET = 0;
 
 // 카테고리별 지출 계산
 export const calculateCategorySpending = (
@@ -126,19 +126,19 @@ export const calculateSpentAmounts = (
 export const getInitialBudgetData = (): BudgetData => {
   return {
     daily: {
-      targetAmount: Math.round(DEFAULT_MONTHLY_BUDGET / 30),
+      targetAmount: 0,
       spentAmount: 0,
-      remainingAmount: Math.round(DEFAULT_MONTHLY_BUDGET / 30)
+      remainingAmount: 0
     },
     weekly: {
-      targetAmount: Math.round(DEFAULT_MONTHLY_BUDGET / 4.3),
+      targetAmount: 0,
       spentAmount: 0,
-      remainingAmount: Math.round(DEFAULT_MONTHLY_BUDGET / 4.3)
+      remainingAmount: 0
     },
     monthly: {
-      targetAmount: DEFAULT_MONTHLY_BUDGET,
+      targetAmount: 0,
       spentAmount: 0,
-      remainingAmount: DEFAULT_MONTHLY_BUDGET
+      remainingAmount: 0
     }
   };
 };