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

(cherry picked from commit c2282eaf08)

erpnext/manufacturing/doctype/production_plan_sub_assembly_item/production_plan_sub_assembly_item.json

@@ -21,6 +21,9 @@
   "subcontracting_section",
   "supplier",
   "purchase_order",
+  "column_break_oqry",
+  "sales_order",
+  "sales_order_item",
   "work_order_details_section",
   "production_plan_item",
   "wo_produced_qty",
@@ -240,13 +243,32 @@
    "label": "Ordered Qty",
    "no_copy": 1,
    "read_only": 1
+  },
+  {
+   "fieldname": "column_break_oqry",
+   "fieldtype": "Column Break"
+  },
+  {
+   "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
   }
  ],
  "grid_page_length": 50,
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2025-11-03 14:33:50.677717",
+ "modified": "2026-02-11 13:00:09.092676",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "Production Plan Sub Assembly Item",

erpnext/manufacturing/doctype/production_plan_sub_assembly_item/production_plan_sub_assembly_item.py

@@ -34,6 +34,8 @@ class ProductionPlanSubAssemblyItem(Document):
 		qty: DF.Float
 		received_qty: DF.Float
 		required_qty: DF.Float
+		sales_order: DF.Link | None
+		sales_order_item: DF.Data | None
 		schedule_date: DF.Datetime | None
 		stock_reserved_qty: DF.Float
 		stock_uom: DF.Link | None