Initial commit: Animexe Laravel platform

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

app/Models/Achievement.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Achievement extends Model
+{
+    protected $fillable = [
+        'key', 'title', 'description', 'icon', 'color',
+        'condition_type', 'condition_value',
+    ];
+
+    public function userAchievements()
+    {
+        return $this->hasMany(UserAchievement::class);
+    }
+}