feat: ship creator journey v2 and profile updates

app/Http/Controllers/Api/ProfileJourneyController.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Http\Controllers\Api;
+
+use App\Http\Controllers\Controller;
+use App\Models\User;
+use App\Services\Profile\CreatorJourneyService;
+use App\Support\UsernamePolicy;
+use Illuminate\Http\JsonResponse;
+
+final class ProfileJourneyController extends Controller
+{
+    public function __construct(private readonly CreatorJourneyService $journeys)
+    {
+    }
+
+    public function __invoke(string $username): JsonResponse
+    {
+        $normalized = UsernamePolicy::normalize($username);
+
+        $user = User::query()
+            ->whereRaw('LOWER(username) = ?', [$normalized])
+            ->where('is_active', true)
+            ->whereNull('deleted_at')
+            ->firstOrFail();
+
+        return response()->json([
+            'data' => $this->journeys->publicPayloadForUser($user),
+            'meta' => [
+                'username' => (string) $user->username,
+                'generated_at' => now()->toIso8601String(),
+            ],
+        ]);
+    }
+}