refactor: align codebase with EventCrew domain and trim legacy band stack

- Update API: events, users, policies, routes, resources, migrations
- Remove deprecated models/resources (customers, setlists, invitations, etc.)
- Refresh admin app and docs; remove apps/band

Made-with: Cursor

api/app/Models/Location.php

@@ -1,48 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace App\Models;
-
-use Illuminate\Database\Eloquent\Concerns\HasUlids;
-use Illuminate\Database\Eloquent\Factories\HasFactory;
-use Illuminate\Database\Eloquent\Model;
-use Illuminate\Database\Eloquent\Relations\HasMany;
-
-final class Location extends Model
-{
-    use HasFactory;
-    use HasUlids;
-
-    protected $fillable = [
-        'name',
-        'address',
-        'city',
-        'postal_code',
-        'country',
-        'latitude',
-        'longitude',
-        'capacity',
-        'contact_name',
-        'contact_email',
-        'contact_phone',
-        'notes',
-    ];
-
-    protected function casts(): array
-    {
-        return [
-            'latitude' => 'decimal:7',
-            'longitude' => 'decimal:7',
-            'capacity' => 'integer',
-        ];
-    }
-
-    // Relationships
-
-    public function events(): HasMany
-    {
-        return $this->hasMany(Event::class);
-    }
-}
-