feat: complete administration and reporting

app/Http/Controllers/GlobalCalendarController.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Domain\Reservations\Models\Reservation;
+use Carbon\CarbonImmutable;
+use Illuminate\Http\Request;
+use Inertia\Inertia;
+use Inertia\Response;
+
+class GlobalCalendarController extends Controller
+{
+    public function __invoke(Request $request): Response
+    {
+        $filters = $request->validate(['month' => ['nullable', 'date_format:Y-m']]);
+        $month = isset($filters['month'])
+            ? CarbonImmutable::createFromFormat('!Y-m', $filters['month'])
+            : now()->startOfMonth();
+
+        return Inertia::render('reservations/calendar', [
+            'scope' => 'global',
+            'month' => $month->format('Y-m'),
+            'reservations' => Reservation::query()
+                ->with(['requester:id,name,department', 'items.asset:id,name,asset_tag'])
+                ->where('starts_at', '<', $month->addMonth())
+                ->where('ends_at', '>', $month)
+                ->orderBy('starts_at')
+                ->get(),
+        ]);
+    }
+}