Fix toast and data display issues

- Fixes an issue where toast notifications would not automatically dismiss.
- Addresses a problem where expense data was not displaying correctly on the transaction and analytics screens.

src/contexts/budget/budgetUtils.ts

@@ -2,7 +2,7 @@
 import { BudgetData, BudgetPeriod, CategoryBudget, Transaction } from './types';
 import { EXPENSE_CATEGORIES } from '@/constants/categoryIcons';
 
-// 기본 데이터 상수 (기본값을 0으로 변경)
+// 기본 데이터 상수 (기본값을 0으로 설정)
 export const DEFAULT_CATEGORY_BUDGETS: Record<string, number> = {
   식비: 0,
   생활비: 0,
@@ -27,9 +27,22 @@ export const calculateCategorySpending = (
     }
   });
   
+  // 지원되는 카테고리가 없을 경우 기본값 설정
+  if (Object.keys(categorySpending).length === 0) {
+    EXPENSE_CATEGORIES.forEach(category => {
+      categorySpending[category] = 0;
+    });
+  }
+  
   expenseTransactions.forEach(t => {
     if (t.category in categorySpending) {
       categorySpending[t.category] += t.amount;
+    } else if (EXPENSE_CATEGORIES.includes(t.category)) {
+      // 지원되는 카테고리이지만 초기화되지 않은 경우
+      categorySpending[t.category] = t.amount;
+    } else {
+      // 지원되지 않는 카테고리는 '생활비'로 집계
+      categorySpending['생활비'] = (categorySpending['생활비'] || 0) + t.amount;
     }
   });
   
@@ -131,7 +144,7 @@ export const calculateSpentAmounts = (
   
   // 이번 주 지출 계산 (단순화된 버전)
   const weeklyExpenses = expenseTransactions.filter(t => {
-    if (t.date.includes('오늘') || t.date.includes('어제')) return true;
+    if (t.date.includes('오늘') || t.date.includes('어제') || t.date.includes('이번주')) return true;
     return true;
   });
   const weeklySpent = weeklyExpenses.reduce((sum, t) => sum + t.amount, 0);