优化: CR-08 i18n batch2全量(ProjectDetail5处+TaskDetail16key+AiChat3处+store error fallback 23处+useAiSend 3处)+@/i18n路径统一+vite别名

src/views/Settings.vue

@@ -375,7 +375,7 @@ import { aiApi, knowledgeApi } from '../api'
 import { useAppSettingsStore } from '../stores/appSettings'
 import { useConfirm } from '../composables/useConfirm'
 import type { AiProviderConfig } from '../api/types'
-import i18n from '../i18n'
+import i18n from '@/i18n'
 
 const { t } = useI18n()
 const appSettings = useAppSettingsStore()