diff --git a/database/seeders/DatabaseSeeder.php b/database/seeders/DatabaseSeeder.php
index fc5c034..5364952 100644
--- a/database/seeders/DatabaseSeeder.php
+++ b/database/seeders/DatabaseSeeder.php
@@ -2,8 +2,9 @@
 
 namespace Database\Seeders;
 
+use App\Actions\CreateScenarioAction;
+use App\Models\Scenario;
 use App\Models\User;
-// use Illuminate\Database\Console\Seeds\WithoutModelEvents;
 use Illuminate\Database\Seeder;
 
 class DatabaseSeeder extends Seeder
@@ -13,8 +14,6 @@ class DatabaseSeeder extends Seeder
      */
     public function run(): void
     {
-        // User::factory(10)->create();
-
         User::firstOrCreate(
             ['email' => 'test@example.com'],
             [
@@ -23,5 +22,11 @@ public function run(): void
                 'email_verified_at' => now(),
             ]
         );
+
+        if (Scenario::count() === 0) {
+            app(CreateScenarioAction::class)->execute([
+                'name' => 'My Budget',
+            ]);
+        }
     }
 }
diff --git a/routes/web.php b/routes/web.php
index 3b37146..f6d296d 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -4,17 +4,23 @@
 use App\Http\Controllers\ProjectionController;
 use App\Http\Controllers\ScenarioController;
 use App\Http\Controllers\StreamController;
+use App\Models\Scenario;
 use Illuminate\Support\Facades\Route;
-use Inertia\Inertia;
 
-// Scenario routes (no auth required for MVP)
-Route::get('/', [ScenarioController::class, 'index'])->name('scenarios.index');
-Route::get('/scenarios/create', [ScenarioController::class, 'create'])->name('scenarios.create');
-Route::post('/scenarios', [ScenarioController::class, 'store'])->name('scenarios.store');
+// Single-scenario MVP: redirect root to the default scenario
+Route::get('/', function () {
+    return redirect()->route('scenarios.show', Scenario::firstOrFail());
+})->name('home');
+
 Route::get('/scenarios/{scenario}', [ScenarioController::class, 'show'])->name('scenarios.show');
-Route::get('/scenarios/{scenario}/edit', [ScenarioController::class, 'edit'])->name('scenarios.edit');
-Route::patch('/scenarios/{scenario}', [ScenarioController::class, 'update'])->name('scenarios.update');
-Route::delete('/scenarios/{scenario}', [ScenarioController::class, 'destroy'])->name('scenarios.destroy');
+
+// Scenario CRUD routes (hidden for single-scenario MVP, re-enable later)
+// Route::get('/scenarios', [ScenarioController::class, 'index'])->name('scenarios.index');
+// Route::get('/scenarios/create', [ScenarioController::class, 'create'])->name('scenarios.create');
+// Route::post('/scenarios', [ScenarioController::class, 'store'])->name('scenarios.store');
+// Route::get('/scenarios/{scenario}/edit', [ScenarioController::class, 'edit'])->name('scenarios.edit');
+// Route::patch('/scenarios/{scenario}', [ScenarioController::class, 'update'])->name('scenarios.update');
+// Route::delete('/scenarios/{scenario}', [ScenarioController::class, 'destroy'])->name('scenarios.destroy');
 
 // Bucket routes (no auth required for MVP)
 Route::get('/scenarios/{scenario}/buckets', [BucketController::class, 'index'])->name('buckets.index');
@@ -33,10 +39,11 @@
 // Projection routes (no auth required for MVP)
 Route::post('/scenarios/{scenario}/projections/calculate', [ProjectionController::class, 'calculate'])->name('projections.calculate');
 
-Route::middleware(['auth', 'verified'])->group(function () {
-    Route::get('dashboard', function () {
-        return Inertia::render('dashboard');
-    })->name('dashboard');
-});
+// Auth dashboard (hidden for single-scenario MVP, re-enable later)
+// Route::middleware(['auth', 'verified'])->group(function () {
+//     Route::get('dashboard', function () {
+//         return Inertia::render('dashboard');
+//     })->name('dashboard');
+// });
 
 require __DIR__.'/settings.php';