✨ Enhance meetup association and permissions management

- 🔍 Added `resolveInScope` method to `ResolvesEntities` for scoped entity resolution with stricter control.
- 👥 Introduced `AddMeetupToMineTool` MCP tool for adding external meetups to "My Meetups."
- 🛠️ Updated `ListMyMeetupsTool` and `ShowMyMeetupTool` to include both created and joined meetups.
- 📚 Updated `Meetup` model with `associatedWith` scope for querying user-related meetups.
- ✅ Expanded feature tests for meetup membership, creator permissions, and scoped tool usage.
- 🛡️ Unified access checks across Livewire and APIs to restrict editing meetup details to creators or super-admins.
- 🔗 Registered `AddMeetupToMineTool` in `EinundzwanzigServer`.

app/Mcp/Tools/MeetupEvent/CreateMeetupEventTool.php

@@ -29,7 +29,12 @@ class CreateMeetupEventTool extends Tool
         }
 
         if (! $this->present($request->get('meetup_id'))) {
-            $meetup = $this->resolveOwnedByName($request, Meetup::class, 'Meetups', 'meetup');
+            $meetup = $this->resolveInScope(
+                Meetup::query()->associatedWith($user->getAuthIdentifier()),
+                $request,
+                'Meetups',
+                'meetup',
+            );
 
             if ($meetup instanceof Response) {
                 return $meetup;