入职任务预览，入职任务cope，验证填入的信息

SimpleAdmin.Application/Services/Onboarding/ContractSnapshot/OnboardingContractSnapshotService.cs

@@ -110,12 +110,13 @@ public class OnboardingContractSnapshotService : IOnboardingContractSnapshotServ
         };
     }
 
-    private static string ResolveValue(
+    internal static string ResolveValue(
         ObTemplateVariable definition,
         ObTaskEmployeeInfo employeeInfo,
         IReadOnlyDictionary<string, string> dynamicValues,
         ObCompany company,
-        ObOnboardingTask task)
+        ObOnboardingTask task,
+        bool useEmployeePlaceholder = false)
     {
         var sourceField = GetSourceField(definition);
         if (definition.VariableType == ContractVariableType.Employee)
@@ -133,7 +134,15 @@ public class OnboardingContractSnapshotService : IOnboardingContractSnapshotServ
                     if (doc.RootElement.TryGetProperty(sourceField, out var prop)
                         || doc.RootElement.TryGetProperty(definition.VariableCode, out prop))
                     {
-                        var str = prop.GetString();
+                        var str = prop.ValueKind switch
+                        {
+                            global::System.Text.Json.JsonValueKind.String => prop.GetString(),
+                            global::System.Text.Json.JsonValueKind.Number => prop.ToString(),
+                            global::System.Text.Json.JsonValueKind.True => bool.TrueString,
+                            global::System.Text.Json.JsonValueKind.False => bool.FalseString,
+                            global::System.Text.Json.JsonValueKind.Null => null,
+                            _ => throw Oops.Bah($"员工补充变量“{definition.VariableName}”格式不正确")
+                        };
                         if (!string.IsNullOrWhiteSpace(str)) return str;
                     }
                 }
@@ -143,8 +152,11 @@ public class OnboardingContractSnapshotService : IOnboardingContractSnapshotServ
                 }
             }
 
-            return dynamicValues.TryGetValue(sourceField, out var dynamicValue)
-                ? dynamicValue
+            if (dynamicValues.TryGetValue(sourceField, out var dynamicValue))
+                return dynamicValue;
+
+            return useEmployeePlaceholder
+                ? $"【待员工填写：{definition.VariableName ?? definition.VariableCode}】"
                 : definition.DefaultValue;
         }