feat: 优化统一规则逻辑

src/stores/settings.js

@@ -1,5 +1,6 @@
-import { defineStore } from 'pinia'
+import { defineStore } from 'pinia'
 import { ref } from 'vue'
+import { DEFAULT_CATEGORY_BUDGETS } from '../config/transactionCategories.js'
 
 export const useSettingsStore = defineStore(
   'settings',
@@ -7,17 +8,10 @@ export const useSettingsStore = defineStore(
     const notificationCaptureEnabled = ref(true)
     const aiAutoCategoryEnabled = ref(false)
     const monthlyBudget = ref(12000)
-    const budgetResetCycle = ref('monthly') // monthly | weekly | none | custom
-    const budgetMonthlyResetDay = ref(1) // 每月第几天重置，1-28
-    const budgetCustomStartDate = ref('') // 自定义起始日（ISO 日期字符串）
-    const categoryBudgets = ref({
-      Food: 0,
-      Transport: 0,
-      Health: 0,
-      Groceries: 0,
-      Entertainment: 0,
-      Uncategorized: 0,
-    })
+    const budgetResetCycle = ref('monthly')
+    const budgetMonthlyResetDay = ref(1)
+    const budgetCustomStartDate = ref('')
+    const categoryBudgets = ref({ ...DEFAULT_CATEGORY_BUDGETS })
     const categoryBudgetEnabled = ref(false)
     const profileName = ref('Echo 用户')
     const profileAvatar = ref('')
@@ -115,4 +109,3 @@ export const useSettingsStore = defineStore(
     },
   },
 )
-