feat: add local auth billing and usage management

app/api/auth/captcha/route.ts

@@ -1,25 +1,7 @@
-import { getAuthRuntimeConfig } from "@/lib/auth/config";
-import { jsonError } from "@/lib/server/api";
+import { jsonOk } from "@/lib/server/api";
 
 export const runtime = "nodejs";
 
-export async function GET(request: Request) {
-  try {
-    const config = getAuthRuntimeConfig();
-    if (!config.authBaseUrl) throw new Error("认证中心地址未配置。");
-    const randomStr = new URL(request.url).searchParams.get("randomStr")?.trim();
-    if (!randomStr) throw new Error("randomStr is required.");
-    const response = await fetch(`${config.authBaseUrl}/code/image?randomStr=${encodeURIComponent(randomStr)}`, {
-      cache: "no-store"
-    });
-    if (!response.ok) throw new Error(`验证码获取失败：${response.status}`);
-    return new Response(new Uint8Array(await response.arrayBuffer()), {
-      headers: {
-        "Content-Type": response.headers.get("content-type") || "image/png",
-        "Cache-Control": "no-store"
-      }
-    });
-  } catch (error) {
-    return jsonError(error, 500);
-  }
+export async function GET() {
+  return jsonOk({ enabled: false, message: "平台账号登录不使用外部验证码。" });
 }