feat: 添加 AI 分类功能，支持交易自动分类与标签生成

src/stores/settings.js

@@ -1,12 +1,20 @@
-import { defineStore } from 'pinia'
+import { defineStore } from 'pinia'
 import { ref } from 'vue'
 import { DEFAULT_CATEGORY_BUDGETS } from '../config/transactionCategories.js'
+import { AI_MODEL_OPTIONS, AI_PROVIDER_OPTIONS } from '../config/transactionTags.js'
+
+const AI_PROVIDER_VALUES = AI_PROVIDER_OPTIONS.map((item) => item.value)
+const AI_MODEL_VALUES = AI_MODEL_OPTIONS.map((item) => item.value)
 
 export const useSettingsStore = defineStore(
   'settings',
   () => {
     const notificationCaptureEnabled = ref(true)
     const aiAutoCategoryEnabled = ref(false)
+    const aiProvider = ref('deepseek')
+    const aiApiKey = ref('')
+    const aiModel = ref('deepseek-chat')
+    const aiAutoApplyThreshold = ref(0.9)
     const monthlyBudget = ref(12000)
     const budgetResetCycle = ref('monthly')
     const budgetMonthlyResetDay = ref(1)
@@ -24,6 +32,27 @@ export const useSettingsStore = defineStore(
       aiAutoCategoryEnabled.value = !!value
     }
 
+    const setAiProvider = (value) => {
+      aiProvider.value = AI_PROVIDER_VALUES.includes(value) ? value : 'deepseek'
+    }
+
+    const setAiApiKey = (value) => {
+      aiApiKey.value = String(value || '').trim()
+    }
+
+    const setAiModel = (value) => {
+      aiModel.value = AI_MODEL_VALUES.includes(value) ? value : 'deepseek-chat'
+    }
+
+    const setAiAutoApplyThreshold = (value) => {
+      const numeric = Number(value)
+      if (!Number.isFinite(numeric)) {
+        aiAutoApplyThreshold.value = 0.9
+        return
+      }
+      aiAutoApplyThreshold.value = Math.min(Math.max(numeric, 0), 1)
+    }
+
     const setMonthlyBudget = (value) => {
       const numeric = Number(value)
       monthlyBudget.value = Number.isFinite(numeric) && numeric >= 0 ? numeric : 0
@@ -72,6 +101,10 @@ export const useSettingsStore = defineStore(
     return {
       notificationCaptureEnabled,
       aiAutoCategoryEnabled,
+      aiProvider,
+      aiApiKey,
+      aiModel,
+      aiAutoApplyThreshold,
       monthlyBudget,
       budgetResetCycle,
       budgetMonthlyResetDay,
@@ -82,6 +115,10 @@ export const useSettingsStore = defineStore(
       profileAvatar,
       setNotificationCaptureEnabled,
       setAiAutoCategoryEnabled,
+      setAiProvider,
+      setAiApiKey,
+      setAiModel,
+      setAiAutoApplyThreshold,
       setMonthlyBudget,
       setBudgetResetCycle,
       setBudgetMonthlyResetDay,
@@ -97,6 +134,10 @@ export const useSettingsStore = defineStore(
       paths: [
         'notificationCaptureEnabled',
         'aiAutoCategoryEnabled',
+        'aiProvider',
+        'aiApiKey',
+        'aiModel',
+        'aiAutoApplyThreshold',
         'monthlyBudget',
         'budgetResetCycle',
         'budgetMonthlyResetDay',

src/stores/transactions.js

@@ -1,5 +1,6 @@
 import { defineStore } from 'pinia'
 import { computed, ref } from 'vue'
+import { maybeEnrichTransactionWithAi } from '../services/ai/aiService.js'
 import {
   deleteTransaction,
   fetchTransactions,
@@ -26,6 +27,9 @@ const formatDayLabel = (dayKey) => {
   }).format(localDate)
 }
 
+const replaceTransaction = (list, nextTransaction) =>
+  list.map((tx) => (tx.id === nextTransaction.id ? nextTransaction : tx))
+
 export const useTransactionStore = defineStore(
   'transactions',
   () => {
@@ -113,6 +117,12 @@ export const useTransactionStore = defineStore(
       }
     }
 
+    const enrichTransactionInBackground = async (transaction) => {
+      const enriched = await maybeEnrichTransactionWithAi(transaction)
+      if (!enriched || enriched.id !== transaction.id) return
+      transactions.value = replaceTransaction(transactions.value, enriched)
+    }
+
     const addTransaction = async (payload) => {
       const normalized = {
         ...payload,
@@ -120,6 +130,7 @@ export const useTransactionStore = defineStore(
       }
       const created = await insertTransaction(normalized)
       transactions.value = [created, ...transactions.value]
+      void enrichTransactionInBackground(created)
       return created
     }
 
@@ -130,7 +141,8 @@ export const useTransactionStore = defineStore(
       }
       const updated = await updateTransaction(normalized)
       if (updated) {
-        transactions.value = transactions.value.map((tx) => (tx.id === updated.id ? updated : tx))
+        transactions.value = replaceTransaction(transactions.value, updated)
+        void enrichTransactionInBackground(updated)
       }
       return updated
     }