feat: add bylaw management features including documents, legal authorities, subject categories, and nodes

app/Models/BylawNode.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class BylawNode extends Model
+{
+    protected $table = 'bylaw_nodes';
+
+    protected $fillable = ['document_id', 'parent_id', 'node_type_id', 'node_identifier', 'title', 'node_content', 'sort_order', 'valid_from', 'valid_to', 'node_status'];
+
+    public function document()
+    {
+        return $this->belongsTo(BylawDocument::class, 'document_id');
+    }
+
+    public function parent()
+    {
+        return $this->belongsTo(self::class, 'parent_id');
+    }
+
+    public function type()
+    {
+        return $this->belongsTo(BylawNodeType::class, 'node_type_id');
+    }
+}