fix: update import paths for OAuth routes to reflect new directory structure

Author: essinghigh

radius-proxy/tests/integration/end-to-end-flow.test.ts

@@ -1,9 +1,9 @@
 // End-to-End Integration Flow Tests
 // Nyaa~ Testing the complete RADIUS auth -> OAuth -> JWT flow like a purr-fect choreographed dance! 😺💕
 
-import { POST as authorizePost } from '@/app/radius_login/api/oauth/authorize/route';
-import { POST as tokenPost } from '@/app/radius_login/api/oauth/token/route';
-import { GET as userinfoGet } from '@/app/radius_login/api/oauth/userinfo/route';
+import { POST as authorizePost } from '@/app/api/oauth/authorize/route';
+import { POST as tokenPost } from '@/app/api/oauth/token/route';
+import { GET as userinfoGet } from '@/app/api/oauth/userinfo/route';
 import { radiusAuthenticate } from '@/lib/radius';
 import { getStorage, cleanupExpiredCodes } from '@/lib/storage';
 import { verifyToken } from '@/lib/jwt';

radius-proxy/tests/oauth/authorization-code-flow.test.ts

@@ -1,8 +1,8 @@
 // OAuth2 RFC 6749 Authorization Code Flow Compliance Tests
 // Nyaa~ Testing that our OAuth2 implementation is purr-fectly compliant with RFC 6749! 😺💕
 
-import { POST as authorizePost, GET as authorizeGet } from '@/app/radius_login/api/oauth/authorize/route';
-import { POST as tokenPost } from '@/app/radius_login/api/oauth/token/route';
+import { POST as authorizePost, GET as authorizeGet } from '@/app/api/oauth/authorize/route';
+import { POST as tokenPost } from '@/app/api/oauth/token/route';
 import { radiusAuthenticate } from '@/lib/radius';
 import { getStorage, cleanupExpiredCodes } from '@/lib/storage';
 import { _invalidateConfigCache } from '@/lib/config';

radius-proxy/tests/security/authentication-security.test.ts

@@ -1,9 +1,9 @@
 // Security Compliance Tests
 // Nyaa~ Testing security protections like a vigilant maid guarding the master's precious data! 😺🔒💕
 
-import { POST as authorizePost } from '@/app/radius_login/api/oauth/authorize/route';
-import { POST as tokenPost } from '@/app/radius_login/api/oauth/token/route';
-import { GET as userinfoGet } from '@/app/radius_login/api/oauth/userinfo/route';
+import { POST as authorizePost } from '@/app/api/oauth/authorize/route';
+import { POST as tokenPost } from '@/app/api/oauth/token/route';
+import { GET as userinfoGet } from '@/app/api/oauth/userinfo/route';
 import { radiusAuthenticate } from '@/lib/radius';
 import { getStorage, cleanupExpiredCodes } from '@/lib/storage';
 import { signToken, verifyToken } from '@/lib/jwt';