feat: 支持会员卡合同在线签署

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

packages/shared/src/index.ts

@@ -28,6 +28,8 @@ export {
   ProfessionalAssessmentKind,
   TrainingPlanStatus,
   ProgressPhotoAngle,
+  MembershipContractStatus,
+  MembershipContractSource,
 } from './enums'
 
 // Constants
@@ -150,3 +152,6 @@ export * from './types/body-portrait'
 export * from './types/shop'
 
 export * from './types/teaching-case'
+
+export * from './contract'
+export * from './types/contract'