✨ Add restore_point functionality to Meetups

- 💾 Introduced `restore_point` JSON column in `meetups` table for saving and restoring master data.
- 🛠️ Added methods `captureRestorePoint` and `restoreFromRestorePoint` to `Meetup` model for managing restore points.
- 🔒 Implemented authorization for updating meetups via `updateViaPortal` policy to include pivot members.
- 🔗 Created Artisan commands `meetups:snapshot` and `meetups:restore` for managing restore points from CLI.
- 🚦 Added rate limiter to restrict excessive update attempts in Livewire meetup editing.
- ✅ Developed exhaustive feature tests for snapshot and restore actions, portal editing rules, and rate limiting.

app/Console/Commands/Database/RestoreMeetupFromRestorePoint.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Console\Commands\Database;
+
+use App\Models\Meetup;
+use Illuminate\Console\Attributes\Description;
+use Illuminate\Console\Attributes\Signature;
+use Illuminate\Console\Command;
+
+#[Signature('meetups:restore {meetup : ID des wiederherzustellenden Meetups}')]
+#[Description('Restore the master data of a meetup from its saved restore point.')]
+class RestoreMeetupFromRestorePoint extends Command
+{
+    public function handle(): int
+    {
+        $meetupId = $this->argument('meetup');
+        $meetup = Meetup::query()->find($meetupId);
+
+        if ($meetup === null) {
+            $this->error("Meetup [{$meetupId}] not found.");
+
+            return Command::FAILURE;
+        }
+
+        if (! $meetup->restoreFromRestorePoint()) {
+            $this->error("Meetup [{$meetup->id}] {$meetup->name} has no restore point. Run meetups:snapshot first.");
+
+            return Command::FAILURE;
+        }
+
+        $capturedAt = $meetup->restore_point['captured_at'] ?? 'unknown';
+        $this->info("Meetup [{$meetup->id}] {$meetup->name} restored from restore point (captured at {$capturedAt}).");
+
+        return Command::SUCCESS;
+    }
+}