refactor: 修复知识库和操作指引

app/Models/GuidePage.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use SolutionForest\FilamentTree\Concern\ModelTree;
+
+class GuidePage extends Model
+{
+    use ModelTree;
+
+    protected $fillable = [
+        'guide_id',
+        'page_number',
+        'title',
+        'html_url',
+        'sort_order',
+        'parent_id',
+        'options',
+        'branch_option',
+    ];
+
+    protected $casts = [
+        'options' => 'array',
+        'parent_id' => 'int',
+    ];
+
+    // filament-tree column name mapping
+    public function determineParentColumnName(): string
+    {
+        return 'parent_id';
+    }
+
+    public function determineOrderColumnName(): string
+    {
+        return 'sort_order';
+    }
+
+    public function determineTitleColumnName(): string
+    {
+        return 'title';
+    }
+
+    public function guide()
+    {
+        return $this->belongsTo(Guide::class);
+    }
+
+    public function branchChildren()
+    {
+        return $this->hasMany(self::class, 'parent_id')->orderBy('sort_order');
+    }
+
+    public function parentPage()
+    {
+        return $this->belongsTo(self::class, 'parent_id');
+    }
+}