more fixes

app/Http/Controllers/Auth/AuthenticatedSessionController.php

@@ -28,7 +28,7 @@ class AuthenticatedSessionController extends Controller
 
         $request->session()->regenerate();
 
-        return redirect()->intended(route('dashboard', absolute: false));
+        return redirect()->intended('/');
     }
 
     /**

app/Http/Controllers/Auth/OAuthController.php

@@ -169,6 +169,7 @@ class OAuthController extends Controller
                 'is_active'                   => true,
                 'onboarding_step'             => 'username',
                 'username_changed_at'         => now(),
+                'last_username_change_at'     => now(),
             ]);
 
             $this->createSocialAccount(

app/Http/Controllers/Auth/RegisteredUserController.php

@@ -105,6 +105,7 @@ class RegisteredUserController extends Controller
                 'is_active' => false,
                 'onboarding_step' => 'email',
                 'username_changed_at' => now(),
+                'last_username_change_at' => now(),
             ]);
         }
 

app/Http/Controllers/Auth/SetupUsernameController.php

@@ -35,7 +35,7 @@ class SetupUsernameController extends Controller
         ], [
             'username.required' => 'Please choose a username to continue.',
             'username.unique' => 'This username is already taken.',
-            'username.regex' => 'Use only letters, numbers, underscores, or hyphens.',
+            'username.regex' => 'Use only letters, numbers, and underscores.',
             'username.min' => 'Username must be at least 3 characters.',
             'username.max' => 'Username must be at most 20 characters.',
         ]);
@@ -86,6 +86,7 @@ class SetupUsernameController extends Controller
                 'username' => strtolower($candidate),
                 'onboarding_step' => 'complete',
                 'username_changed_at' => now(),
+                'last_username_change_at' => now(),
             ])->save();
         });