✨ 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.

tests/Feature/Api/MeetupWriteApiTest.php

@@ -58,6 +58,18 @@ it('forbids updating someone elses', function () {
     ])->assertForbidden();
 });
 
+it('forbids updating as a pivot member who is not the creator', function () {
+    $owner = User::factory()->create();
+    $meetup = Meetup::factory()->create(['created_by' => $owner->id]);
+
+    Sanctum::actingAs($member = User::factory()->create());
+    $meetup->users()->attach($member);
+
+    $this->patchJson('/api/meetup/'.$meetup->id, [
+        'name' => 'Plan B Lugano',
+    ])->assertForbidden();
+});
+
 it('returns only own in mine index', function () {
     Sanctum::actingAs($user = User::factory()->create());
     $other = User::factory()->create();