补充注释

SimpleAdmin.Application/Services/Onboarding/ContractDocument/IOnboardingContractDocumentService.cs

@@ -1,2 +1,12 @@
 namespace SimpleAdmin.Application;
-public interface IOnboardingContractDocumentService : ITransient { Task<long> Generate(OnboardingGenerateContractInput input); }
+
+/// <summary>
+/// 定义入职合同文件生成能力。
+/// </summary>
+public interface IOnboardingContractDocumentService : ITransient
+{
+    /// <summary>
+    /// 根据已审核通过的任务合同生成并保存 DOCX 文件。
+    /// </summary>
+    Task<long> Generate(OnboardingGenerateContractInput input);
+}