完善第三方签署

SimpleAdmin.Application/Services/Onboarding/ElectronicSign/IOnboardingElectronicSignService.cs

@@ -24,6 +24,14 @@ public interface IOnboardingElectronicSignService : ITransient
     Task<OnboardingElectronicSignDetailOutput> GetSignLink(
         OnboardingElectronicSignTaskInput input);
 
+    /// <summary>获取一份员工已签合同的只读浏览页面。</summary>
+    Task<OnboardingElectronicSignPreviewOutput> PreviewEmployeeSignedDocument(
+        OnboardingElectronicSignPreviewInput input);
+
+    /// <summary>确认全部文件已核对后，由后台执行企业盖章。</summary>
+    Task<OnboardingElectronicSignDetailOutput> CompanySeal(
+        OnboardingElectronicSignTaskInput input);
+
     /// <summary>催办当前待签员工。</summary>
     Task Notice(OnboardingElectronicSignTaskInput input);