Add Fortify auth, Flux dark mode, demo seed, and Docker hot reload.

Protect recordings per user, seed a demo login on container start, and bind-mount the app with Vite HMR for local Compose development.

app/Models/User.php

@@ -2,13 +2,14 @@
 
 namespace App\Models;
 
-// use Illuminate\Contracts\Auth\MustVerifyEmail;
 use Database\Factories\UserFactory;
 use Illuminate\Database\Eloquent\Attributes\Fillable;
 use Illuminate\Database\Eloquent\Attributes\Hidden;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
+use Illuminate\Support\Str;
 
 #[Fillable(['name', 'email', 'password'])]
 #[Hidden(['password', 'remember_token'])]
@@ -29,4 +30,24 @@ class User extends Authenticatable
             'password' => 'hashed',
         ];
     }
+
+    /**
+     * @return HasMany<Recording, $this>
+     */
+    public function recordings(): HasMany
+    {
+        return $this->hasMany(Recording::class);
+    }
+
+    /**
+     * Initials for Flux avatar components.
+     */
+    public function initials(): string
+    {
+        return Str::of($this->name)
+            ->explode(' ')
+            ->take(2)
+            ->map(fn (string $part) => Str::substr($part, 0, 1))
+            ->implode('');
+    }
 }