fix(web-admin): 协议单扁平行列表展示所属项目与项目组

采集协议单管理（细胞存储/科研捐赠）展平样本行时未拷贝项目归属字段，导致表格列空白；补齐展平字段并增加回归单测。

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

web-admin/src/utils/protocol-audit-flatten.ts

@@ -20,6 +20,9 @@ export type ProtocolAuditFlatRow = {
   sampleCount: number
   sampleIndex: number
   isCoStored: boolean
+  /** 协议级项目归属，供扁平行表格 prop 绑定 */
+  projectName: string
+  teamName: string
   collectDate: string
   sampleCollectTime: string
   motherName: string
@@ -95,6 +98,8 @@ export function flattenProtocolAuditRows(
         sampleCount,
         sampleIndex,
         isCoStored,
+        projectName: str(protocol.projectName),
+        teamName: str(protocol.teamName),
         collectDate: extractCollectDate(str(protocol.sampleCollectTime)),
         sampleCollectTime: str(protocol.sampleCollectTime),
         motherName: str(protocol.motherName),