fix: docs

api_v1/views/business/README.md

@@ -167,7 +167,9 @@
 - **响应**：`{"customer": 12, "customer_name": "张三", "balance": "1234.50"}`
   - `balance` 为字符串格式的十进制数，正数表示客户欠款，应收；负数表示已收超额。
 
-如需对 `items` 结构、仓库模式或审批流程做深入了解，请参阅：
+如需对 `items` 结构、仓库模式、审批流程或红冲 API 做深入了解，请参阅：
+- `docs/2026-06-12_business_red_flush_api.md`
+- `docs/2026-06-12_business_red_flush_design.md`
 - `docs/purchase_order_approval_and_red_flush.md`
 - `docs/sales_order_approval_and_red_flush.md`
 

api_v1/views/printing/serializers.py

@@ -364,6 +364,7 @@ class PrintingJobListSerializer(serializers.ModelSerializer):
     is_sales_order_bound = serializers.SerializerMethodField()
     billed_quantity = serializers.DecimalField(max_digits=18, decimal_places=2, read_only=True)
     merchant_id = serializers.IntegerField(source='merchant.id', read_only=True, allow_null=True)
+    fabric = serializers.SerializerMethodField()
     
     class Meta:
         model = models.PrintingJob
@@ -377,6 +378,7 @@ class PrintingJobListSerializer(serializers.ModelSerializer):
             'is_sales_order_bound',
             'batch_advance_records',
             'saleitems',
+            'fabric',
             'created_at', 'updated_at'
         ]
         read_only_fields = [
@@ -449,6 +451,9 @@ class PrintingJobListSerializer(serializers.ModelSerializer):
     def get_is_sales_order_bound(self, obj):
         return _get_is_sales_order_bound(obj)
 
+    def get_fabric(self, obj):
+        return obj.printing_order.fabric
+
 
 class PrintingJobDetailSerializer(serializers.ModelSerializer):
     """印染款式明细详情序列化器"""
@@ -470,6 +475,7 @@ class PrintingJobDetailSerializer(serializers.ModelSerializer):
     is_sales_order_bound = serializers.SerializerMethodField()
     billed_quantity = serializers.DecimalField(max_digits=18, decimal_places=2, read_only=True)
     merchant_id = serializers.IntegerField(source='merchant.id', read_only=True, allow_null=True)
+    fabric = serializers.SerializerMethodField()
     
     class Meta:
         model = models.PrintingJob
@@ -483,6 +489,7 @@ class PrintingJobDetailSerializer(serializers.ModelSerializer):
             'is_sales_order_bound',
             'batch_advance_records',
             'saleitems',
+            'fabric',
             'created_at', 'updated_at'
         ]
         read_only_fields = [
@@ -524,6 +531,9 @@ class PrintingJobDetailSerializer(serializers.ModelSerializer):
     def get_is_sales_order_bound(self, obj):
         return _get_is_sales_order_bound(obj)
 
+    def get_fabric(self, obj):
+        return obj.printing_order.fabric
+
 
 class PrintingJobCreateUpdateSerializer(serializers.ModelSerializer):
     """印染款式明细创建/更新序列化器"""