feat: api client, auth store, login, authed shell, data-table + CRUD kit

src/lib/errors.ts

@@ -0,0 +1,24 @@
+import { toast } from 'sonner'
+import type { FieldValues, Path, UseFormSetError } from 'react-hook-form'
+import { ApiError } from '@/api/client'
+
+/**
+ * Standard error handling: 422 field errors land on the form (when given),
+ * everything else surfaces as a toast with the backend's localized message.
+ */
+export function handleApiError<T extends FieldValues>(
+  error: unknown,
+  setError?: UseFormSetError<T>,
+): void {
+  if (error instanceof ApiError) {
+    if (error.status === 422 && error.errors && setError) {
+      for (const [field, messages] of Object.entries(error.errors)) {
+        setError(field as Path<T>, { type: 'server', message: messages[0] })
+      }
+      return
+    }
+    toast.error(error.message || `请求失败（${error.code}）`)
+    return
+  }
+  toast.error('网络异常，请稍后重试')
+}