move into sonardesk

AI/Models/AIKnowledgeChunk.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Modules\AI\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+final class AIKnowledgeChunk extends Model
+{
+    protected $fillable = ['ai_knowledge_source_id', 'position', 'content', 'metadata'];
+
+    protected $casts = ['metadata' => 'array'];
+}