diff --git a/packages/api/tsconfig.json b/packages/api/tsconfig.json
index 11f658f..4abe3d9 100644
--- a/packages/api/tsconfig.json
+++ b/packages/api/tsconfig.json
@@ -14,5 +14,5 @@
     "types": ["node"]
   },
   "include": ["src/**/*"],
-  "exclude": ["node_modules", "dist"]
+  "exclude": ["node_modules", "dist", "**/*.test.ts", "**/*.spec.ts"]
 }
diff --git a/packages/web/src/pages/Register.tsx b/packages/web/src/pages/Register.tsx
index 3235c26..d932c71 100644
--- a/packages/web/src/pages/Register.tsx
+++ b/packages/web/src/pages/Register.tsx
@@ -3,13 +3,12 @@
  */
 
 import React, { useState } from 'react';
-import { useNavigate, Link } from 'react-router-dom';
+import { Link } from 'react-router-dom';
 import { useAuth } from '../contexts/AuthContext';
 import { authService } from '../services/auth.service';
 import '../styles/Auth.css';
 
 const Register: React.FC = () => {
-  const navigate = useNavigate();
   const { register } = useAuth();
 
   const [name, setName] = useState('');
diff --git a/packages/web/src/services/auth.service.ts b/packages/web/src/services/auth.service.ts
index 8b27d70..7c55dc3 100644
--- a/packages/web/src/services/auth.service.ts
+++ b/packages/web/src/services/auth.service.ts
@@ -13,7 +13,7 @@ import {
   ResetPasswordRequest,
 } from '../types/auth';
 
-const API_URL = import.meta.env.VITE_API_URL || 'http://localhost:3001';
+const API_URL = (import.meta as any).env?.VITE_API_URL || 'http://localhost:3001';
 const AUTH_ENDPOINT = `${API_URL}/api/auth`;
 
 // Token storage keys
@@ -67,11 +67,14 @@ async function fetchWithAuth(
   options: RequestInit = {}
 ): Promise<Response> {
   const token = tokenService.getAccessToken();
-  const headers: HeadersInit = {
+  const headers: Record<string, string> = {
     'Content-Type': 'application/json',
-    ...options.headers,
   };
 
+  if (options.headers) {
+    Object.assign(headers, options.headers);
+  }
+
   if (token) {
     headers['Authorization'] = `Bearer ${token}`;
   }