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/DirectConversation.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Models;
+
+use App\Models\Concerns\BelongsToOwner;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Support\Str;
+
+class DirectConversation extends Model
+{
+    use BelongsToOwner;
+
+    protected $table = 'meet_direct_conversations';
+
+    protected $fillable = ['uuid', 'owner_ref', 'organization_id', 'type', 'title'];
+
+    protected static function booted(): void
+    {
+        static::creating(function (DirectConversation $conversation) {
+            if (empty($conversation->uuid)) {
+                $conversation->uuid = (string) Str::uuid();
+            }
+        });
+    }
+
+    public function getRouteKeyName(): string
+    {
+        return 'uuid';
+    }
+
+    public function organization(): BelongsTo
+    {
+        return $this->belongsTo(Organization::class, 'organization_id');
+    }
+
+    public function participants(): HasMany
+    {
+        return $this->hasMany(DirectParticipant::class, 'conversation_id');
+    }
+
+    public function messages(): HasMany
+    {
+        return $this->hasMany(DirectMessage::class, 'conversation_id');
+    }
+}