Fix: AI Blog Assistant retry logic and Subdomain routing for Akademi

app/Models/BlogTopic.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class BlogTopic extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'name',
+        'context',
+        'status',
+        'last_used_at',
+    ];
+
+    protected $casts = [
+        'last_used_at' => 'datetime',
+    ];
+
+    public function scopeActive($query)
+    {
+        return $query->where('status', 'active');
+    }
+}