Allow extending of page edit record forms

packages/admin/src/Filament/Resources/ProductResource/Pages/ManageProductInventory.php

@@ -92,7 +92,7 @@ protected function getFormActions(): array
         ];
     }
 
-    public function form(Form $form): Form
+    public function getDefaultForm(Form $form): Form
     {
         return (new ManageVariantInventory)->form($form)->statePath('');
     }

packages/admin/src/Filament/Resources/ProductVariantResource/Pages/ManageVariantInventory.php

@@ -61,7 +61,7 @@ protected function getDefaultHeaderActions(): array
         ];
     }
 
-    public function form(Form $form): Form
+    public function getDefaultForm(Form $form): Form
     {
         return $form->schema([
             Section::make()->schema([

packages/admin/src/Support/Pages/BaseEditRecord.php

@@ -9,6 +9,7 @@ abstract class BaseEditRecord extends EditRecord
 {
     use Concerns\ExtendsFooterWidgets;
     use Concerns\ExtendsFormActions;
+    use Concerns\ExtendsForms;
     use Concerns\ExtendsHeaderActions;
     use Concerns\ExtendsHeaderWidgets;
     use Concerns\ExtendsHeadings;

packages/admin/src/Support/Pages/Concerns/ExtendsForms.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Lunar\Admin\Support\Pages\Concerns;
+
+use Filament\Forms\Form;
+
+trait ExtendsForms
+{
+    public function form(Form $form): Form
+    {
+        return self::callLunarHook('extendForm', $this->getDefaultForm($form));
+    }
+
+    public function getDefaultForm(Form $form): Form
+    {
+        return $form;
+    }
+}