feat: complete stage 1 infrastructure

src/lib/schemas/provider.ts

@@ -0,0 +1,23 @@
+import { z } from "zod";
+
+export const providerSchema = z.object({
+  name: z.string().min(1, "请填写供应商名称"),
+  websiteUrl: z
+    .string()
+    .url("请输入有效的网址")
+    .optional()
+    .or(z.literal("")),
+  settingsConfig: z
+    .string()
+    .min(1, "请填写配置内容")
+    .refine((value) => {
+      try {
+        JSON.parse(value);
+        return true;
+      } catch {
+        return false;
+      }
+    }, "配置 JSON 格式错误"),
+});
+
+export type ProviderFormData = z.infer<typeof providerSchema>;