CRITICAL: Temporarily disable Keycloak to restore application functionality

- Disable Keycloak integration in authentication middleware
- Update useUnifiedAuth to only use Directus authentication
- Rebuild login page with only Directus auth form
- Remove all Keycloak references that were causing JavaScript errors
- This restores the application to working state with Directus auth only

Application should now load and function normally. Keycloak can be re-enabled later once issues are resolved.

pages/login.vue

@@ -10,27 +10,7 @@
                   <v-img src="/Port_Nimara_Logo_2_Colour_New_Transparent.png" width="200" class="mb-3 mx-auto" />
                 </v-col>
                 
-                <!-- Keycloak SSO Login -->
-                <v-col cols="12" class="mb-4">
-                  <v-btn
-                    color="primary"
-                    size="large"
-                    block
-                    @click="loginWithKeycloak"
-                    prepend-icon="mdi-shield-account"
-                  >
-                    Login with Single Sign-On
-                  </v-btn>
-                </v-col>
-                
-                <!-- Divider -->
-                <v-col cols="12">
-                  <v-divider class="my-4">
-                    <span class="text-caption">OR</span>
-                  </v-divider>
-                </v-col>
-                
-                <!-- Existing Directus Login Form -->
+                <!-- Directus Login Form -->
                 <v-col cols="12">
                   <v-form @submit.prevent="submit" v-model="valid">
                     <v-row no-gutters>
@@ -111,12 +91,9 @@ definePageMeta({
   auth: false
 });
 
-// Directus auth
+// Directus auth only
 const { login } = useDirectusAuth();
 
-// Keycloak auth for SSO
-const keycloak = useKeycloak();
-
 const loading = ref(false);
 const errorThrown = ref(false);
 
@@ -126,12 +103,6 @@ const passwordVisible = ref(false);
 
 const valid = ref(false);
 
-// Keycloak login function
-const loginWithKeycloak = async () => {
-  // Initialize and login with Keycloak
-  await keycloak.login();
-};
-
 // Directus login function
 const submit = async () => {
   try {