Initial Ladill Meet release.

Phases 0–18: core meetings, webinar, breakouts, team chat, live streaming, town hall, billing, and Ladill Mail calendar wiring.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Models/Invitation.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Models;
+
+use App\Models\Concerns\BelongsToOwner;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Support\Str;
+
+class Invitation extends Model
+{
+    use BelongsToOwner;
+
+    protected $table = 'meet_invitations';
+
+    protected $fillable = [
+        'uuid', 'owner_ref', 'room_id', 'email', 'user_ref',
+        'display_name', 'role', 'status', 'rsvp_token', 'responded_at',
+        'calendar_event_id', 'sent_at',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'sent_at' => 'datetime',
+            'responded_at' => 'datetime',
+        ];
+    }
+
+    protected static function booted(): void
+    {
+        static::creating(function (Invitation $invitation) {
+            if (empty($invitation->uuid)) {
+                $invitation->uuid = (string) Str::uuid();
+            }
+            if (empty($invitation->rsvp_token)) {
+                $invitation->rsvp_token = Str::random(40);
+            }
+        });
+    }
+
+    public function getRouteKeyName(): string
+    {
+        return 'uuid';
+    }
+
+    public function rsvpUrl(): string
+    {
+        return route('meet.invitations.rsvp', ['invitation' => $this->uuid, 'token' => $this->rsvp_token]);
+    }
+
+    public function room(): BelongsTo
+    {
+        return $this->belongsTo(Room::class, 'room_id');
+    }
+}