feat(cms): implement complete SysSiteCMS content management system

Initial implementation of the HomeSysPanel CMS built with Laravel 13.0.
Includes complete admin panel, content management, user authentication,
modular architecture for products/services/chatbot, and marketing tools.

Key features:
- User authentication with email verification and password reset
- Role-based access control (Admin/User with granular permissions)
- Content management (pages, news, FAQ, downloads, galleries, banners)
- Contact management system with subjects and responses
- Marketing tools (email campaigns, visitor analytics, social sharing)
- Modular architecture (Products, Services, Chatbot modules)
- AI Chatbot integration with OpenRouter.ai and LlamaCpp support
- Visitor tracking with geolocation
- SEO optimization with meta tags and Open Graph
- Responsive design with Bootstrap 5
- Dark mode support
- Maintenance mode
- Feature request system

app/Modules/Chatbot/Models/ChatbotRule.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace App\Modules\Chatbot\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class ChatbotRule extends Model
+{
+    protected $table = 'chatbot_rules';
+
+    protected $fillable = [
+        'title',
+        'content',
+        'active',
+        'order',
+    ];
+
+    protected $casts = [
+        'active' => 'boolean',
+        'order'  => 'integer',
+    ];
+
+    /**
+     * Scope to get only active rules.
+     */
+    public function scopeActive($query)
+    {
+        return $query->where('active', true);
+    }
+
+    /**
+     * Get all active rules as a formatted text block for the system prompt.
+     *
+     * Returns an empty string when no active rule exists, so the prompt
+     * stays clean and the AI behaves as before.
+     */
+    public static function getFormattedRules(): string
+    {
+        $rules = self::active()->orderBy('order')->orderBy('id')->get();
+
+        if ($rules->isEmpty()) {
+            return '';
+        }
+
+        $output = '';
+        foreach ($rules as $rule) {
+            $output .= "- **{$rule->title}**: {$rule->content}\n";
+        }
+
+        return trim($output);
+    }
+}