R69 完成业务验收与会话稳定性修复

client/tests/e2e/confidential-boundary.spec.ts

@@ -75,6 +75,7 @@ test("E2E 涉密边界：敏感摘要不可搜索，编号可命中", async ({ p
   const contract = await apiPostData<{ item: { id: string } }>(adminClient.api, "/api/contracts-registry", {
     contractNo,
     projectId: project.item.id,
+    contractType: "service",
     counterpartyName: `客户 ${suffix}`,
     summary: sensitivePhrase,
     confidentialityLevel: "restricted",