feat: add local auth billing and usage management

app/auth/admin-login/page.tsx

@@ -1,13 +1,4 @@
 import { redirect } from "next/navigation";
-import { AuthLoginPanel } from "@/components/auth-login-panel";
-import { getAuthRuntimeConfig, safeNextPath } from "@/lib/auth/config";
-import { getOptionalAuthSession } from "@/lib/server/auth/current-user";
-
-const errorMessages: Record<string, string> = {
-  auth_not_configured: "认证配置不完整，请先在服务器环境变量中配置 SSO。",
-  callback_failed: "登录回调处理失败，请重新登录。",
-  state_invalid: "登录状态已失效，请重新登录。"
-};
 
 export default async function AdminLoginPage({
   searchParams
@@ -15,33 +6,6 @@ export default async function AdminLoginPage({
   searchParams?: Promise<Record<string, string | string[] | undefined>>;
 }) {
   const params = await searchParams;
-  const next = safeNextPath(singleParam(params?.next));
-  const session = await getOptionalAuthSession();
-  if (session) redirect(next);
-
-  const config = getAuthRuntimeConfig({ clientMode: "admin" });
-  const errorCode = singleParam(params?.error);
-  const message = errorCode ? errorMessages[errorCode] || "登录失败，请重新登录。" : null;
-
-  return (
-    <AuthLoginPanel
-      next={next}
-      configured={config.configured}
-      message={message}
-      missing={!config.configured && config.required ? config.missing : []}
-      title="管理员登录"
-      submitLabel="管理员登录"
-      authMode="admin"
-      alternateHref={loginHref("/auth/login", next)}
-      alternateLabel="普通账号登录"
-    />
-  );
-}
-
-function singleParam(value: string | string[] | undefined): string | undefined {
-  return Array.isArray(value) ? value[0] : value;
-}
-
-function loginHref(path: string, next: string): string {
-  return `${path}?next=${encodeURIComponent(next)}`;
+  const next = Array.isArray(params?.next) ? params?.next[0] : params?.next;
+  redirect(next ? `/auth/login?next=${encodeURIComponent(next)}` : "/auth/login");
 }

app/auth/login/page.tsx

@@ -4,8 +4,8 @@ import { getAuthRuntimeConfig, safeNextPath } from "@/lib/auth/config";
 import { getOptionalAuthSession } from "@/lib/server/auth/current-user";
 
 const errorMessages: Record<string, string> = {
-  auth_not_configured: "认证配置不完整，请先在服务器环境变量中配置 SSO。",
-  callback_failed: "登录回调处理失败，请重新登录。",
+  auth_not_configured: "账号认证配置不完整，请联系管理员。",
+  callback_failed: "登录失败，请重新登录。",
   state_invalid: "登录状态已失效，请重新登录。"
 };
 
@@ -29,8 +29,6 @@ export default async function LoginPage({
       configured={config.configured}
       message={message}
       missing={!config.configured && config.required ? config.missing : []}
-      alternateHref={loginHref("/auth/admin-login", next)}
-      alternateLabel="管理员登录"
     />
   );
 }
@@ -38,7 +36,3 @@ export default async function LoginPage({
 function singleParam(value: string | string[] | undefined): string | undefined {
   return Array.isArray(value) ? value[0] : value;
 }
-
-function loginHref(path: string, next: string): string {
-  return `${path}?next=${encodeURIComponent(next)}`;
-}