Add comprehensive test coverage and update notes

tests/Unit/UpdateUserProfileInformationTest.php

@@ -0,0 +1,40 @@
+<?php
+
+use App\Actions\Fortify\UpdateUserProfileInformation;
+use App\Models\User;
+
+it('updates profile without email verification when email unchanged', function (): void {
+    $user = User::factory()->create([
+        'name' => 'Old',
+        'email' => 'old@example.com',
+    ]);
+
+    $action = new UpdateUserProfileInformation();
+    $action->update($user, [
+        'name' => 'New Name',
+        'email' => 'old@example.com',
+    ]);
+
+    $user->refresh();
+    expect($user->name)->toBe('New Name');
+    expect($user->name_canonical)->toBe('new name');
+    expect($user->email)->toBe('old@example.com');
+});
+
+it('resets verification and sends notification when email changes', function (): void {
+    $user = User::factory()->create([
+        'name' => 'Old',
+        'email' => 'old@example.com',
+        'email_verified_at' => now(),
+    ]);
+
+    $action = new UpdateUserProfileInformation();
+    $action->update($user, [
+        'name' => 'New Name',
+        'email' => 'new@example.com',
+    ]);
+
+    $user->refresh();
+    expect($user->email)->toBe('new@example.com');
+    expect($user->email_verified_at)->toBeNull();
+});