Migrate to laravel ai sdk (#181)

Also
* upgrade to livewire 4
* replace rappsoft tables with filament

app/Models/AgentConversationMessage.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class AgentConversationMessage extends Model
+{
+    protected $table = 'agent_conversation_messages';
+
+    public $incrementing = false;
+
+    protected $keyType = 'string';
+
+    protected $fillable = [
+        'id',
+        'conversation_id',
+        'user_id',
+        'agent',
+        'role',
+        'content',
+    ];
+
+    public function conversation(): BelongsTo
+    {
+        return $this->belongsTo(ChatWithConversation::class, 'conversation_id');
+    }
+}