fix(c1): elder 建档日期字段转 Date 落库（修复 50000）

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/elder/elder.service.spec.ts

@@ -132,7 +132,7 @@ describe('ElderService', () => {
     });
   });
 
-  it('create 待遇有效期覆盖今天 → treatStatus = active，且出生日期由身份证带出', async () => {
+  it('create 待遇有效期覆盖今天 → treatStatus = active，且出生日期由身份证带出为 Date', async () => {
     const { service, elderCreate } = makeService();
 
     await runWithRequestContext(ctx, () =>
@@ -140,7 +140,35 @@ describe('ElderService', () => {
     );
 
     expect(elderCreate).toHaveBeenCalledWith({
-      data: expect.objectContaining({ treatStatus: 'active', birthDate: '1990-01-01' }),
+      data: expect.objectContaining({ treatStatus: 'active', birthDate: expect.any(Date) }),
+    });
+  });
+
+  it('合法建档（含日期字段）成功创建，日期字段转为 Date', async () => {
+    const { service, elderCreate } = makeService();
+
+    await runWithRequestContext(ctx, () =>
+      service.createElder({
+        ...baseDto,
+        benefitStart: '2025-01-01',
+        benefitEnd: '2025-12-31',
+        assessDate: '2025-01-15',
+        insurVerifyDate: '2025-01-10',
+        hospStart: '2025-02-01',
+        hospEnd: '2025-02-05',
+      }),
+    );
+
+    expect(elderCreate).toHaveBeenCalledWith({
+      data: expect.objectContaining({
+        birthDate: expect.any(Date),
+        benefitStart: expect.any(Date),
+        benefitEnd: expect.any(Date),
+        assessDate: expect.any(Date),
+        insurVerifyDate: expect.any(Date),
+        hospStart: expect.any(Date),
+        hospEnd: expect.any(Date),
+      }),
     });
   });
 

src/elder/elder.service.ts

@@ -52,6 +52,12 @@ function resolveInitialStatus(benefitStart?: string, benefitEnd?: string): strin
   return 'waiting_period';
 }
 
+/** YYYY-MM-DD → 本地零点 Date（供 Prisma DateTime @db.Date 列写入）；空值返回 undefined。 */
+function toDateOnly(v?: string): Date | undefined {
+  if (!v) return undefined;
+  return new Date(`${v}T00:00:00`);
+}
+
 /**
  * 老人档案（elder）业务服务。elder 是租户级软删模型，读写经 Prisma 扩展自动注入
  * tenantCode / deletedAt 过滤；创建时 tenantCode/createdBy 由 BaseCrudService 注入。
@@ -101,9 +107,15 @@ export class ElderService extends BaseCrudService {
     return super.create({
       ...dto,
       idCardNo,
-      birthDate,
+      birthDate: toDateOnly(birthDate),
       treatStatus,
       statusSource: 'manual',
+      benefitStart: toDateOnly(dto.benefitStart),
+      benefitEnd: toDateOnly(dto.benefitEnd),
+      assessDate: toDateOnly(dto.assessDate),
+      insurVerifyDate: toDateOnly(dto.insurVerifyDate),
+      hospStart: toDateOnly(dto.hospStart),
+      hospEnd: toDateOnly(dto.hospEnd),
     });
   }