fix(manufacturing): add sales order fields in subassembly child table

erpnext/manufacturing/doctype/production_plan_sub_assembly_item/production_plan_sub_assembly_item.json

@@ -10,6 +10,8 @@
   "fg_warehouse",
   "parent_item_code",
   "schedule_date",
+  "sales_order",
+  "sales_order_item",
   "column_break_3",
   "qty",
   "bom_no",
@@ -212,20 +214,36 @@
    "label": "Ordered Qty",
    "no_copy": 1,
    "read_only": 1
+  },
+  {
+   "fieldname": "sales_order",
+   "fieldtype": "Link",
+   "label": "Sales Order",
+   "options": "Sales Order",
+   "read_only": 1
+  },
+  {
+   "fieldname": "sales_order_item",
+   "fieldtype": "Data",
+   "hidden": 1,
+   "label": "Sales Order Item",
+   "no_copy": 1,
+   "print_hide": 1
   }
  ],
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2025-06-10 13:36:24.759101",
+ "modified": "2026-02-17 12:06:02.309032",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "Production Plan Sub Assembly Item",
  "owner": "Administrator",
  "permissions": [],
  "quick_entry": 1,
+ "row_format": "Dynamic",
  "sort_field": "modified",
  "sort_order": "DESC",
  "states": [],
  "track_changes": 1
-}
+}

erpnext/manufacturing/doctype/production_plan_sub_assembly_item/production_plan_sub_assembly_item.py

@@ -33,6 +33,8 @@ class ProductionPlanSubAssemblyItem(Document):
 		purchase_order: DF.Link | None
 		qty: DF.Float
 		received_qty: DF.Float
+		sales_order: DF.Link | None
+		sales_order_item: DF.Data | None
 		schedule_date: DF.Datetime | None
 		stock_uom: DF.Link | None
 		supplier: DF.Link | None