fix(production): UC 入库编码自动派发脐带MSC五步任务

样本接收 UC… 此前无内置匹配规则导致工单空任务；新增 5 步原代培养模版与回补脚本，且不影响 BC 六步模版。

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/utils/lab_storage_code_task_set.py

@@ -2,12 +2,20 @@
 
 from typing import List, Optional, Tuple
 
+# 科研捐赠脐带间充质：UC… → 5 步原代培养模版（与细胞存储 BC 的 6 步模版分离）
+UC_MSC_BUILTIN_SET_NAME = "脐带MSC原代培养（内置模版）"
+BC_MSC_BUILTIN_SET_NAME = "干细胞培养（内置模版）"
+HSC_BUILTIN_SET_NAME = "造血干样本处理（内置模版）"
+UBMC_BUILTIN_SET_NAME = "UBMC冻存（内置模版）"
+PBMC_BUILTIN_SET_NAME = "PBMC冻存（内置模版）"
+
 # 最长前缀优先：BC 必须在 B 之前，避免 BC… 误匹配造血干
 _LAB_CODE_BUILTIN_SET_RULES: List[Tuple[str, str]] = [
-    ("UBMC", "UBMC冻存（内置模版）"),
-    ("PBMC", "PBMC冻存（内置模版）"),
-    ("BC", "干细胞培养（内置模版）"),
-    ("B", "造血干样本处理（内置模版）"),
+    ("UBMC", UBMC_BUILTIN_SET_NAME),
+    ("PBMC", PBMC_BUILTIN_SET_NAME),
+    ("UC", UC_MSC_BUILTIN_SET_NAME),
+    ("BC", BC_MSC_BUILTIN_SET_NAME),
+    ("B", HSC_BUILTIN_SET_NAME),
 ]