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/Http/Controllers/Api/V1/LoginController.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Http\Controllers\Api\V1;
+
+use App\Http\Controllers\Controller;
+use App\Http\Requests\Api\V1\LoginRequest;
+use App\Http\Resources\Api\V1\UserResource;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Support\Facades\Auth;
+
+final class LoginController extends Controller
+{
+    public function __invoke(LoginRequest $request): JsonResponse
+    {
+        if (!Auth::attempt($request->only('email', 'password'))) {
+            return $this->unauthorized('Invalid credentials');
+        }
+
+        $user = Auth::user()->load(['organisations', 'roles']);
+        $token = $user->createToken('auth-token')->plainTextToken;
+
+        return $this->success([
+            'user' => new UserResource($user),
+            'token' => $token,
+        ], 'Login successful');
+    }
+}