Fix google auth url

frontend/src/api/api.js

@@ -1,6 +1,6 @@
 import axios from 'axios'
 
-const API_BASE_URL = 'http://localhost:8000'
+const API_BASE_URL = import.meta.env.VITE_API_URL || 'http://localhost:8000'
 
 const api = axios.create({
   baseURL: API_BASE_URL,

frontend/src/components/GoogleImport.jsx

@@ -28,7 +28,8 @@ function GoogleImport({ onImportComplete }) {
   const handleGoogleImport = () => {
     setImporting(true)
     // Redirect to backend OAuth endpoint (owner will be extracted from email)
-    window.location.href = 'http://localhost:8000/auth/google'
+    const apiUrl = import.meta.env.VITE_API_URL || 'http://localhost:8000'
+    window.location.href = `${apiUrl}/auth/google`
   }
 
   return (