Add required validation for authentication and language mapping options

Author: MrHinsh

docs/static/schema/configuration.schema.json

@@ -133,7 +133,10 @@
                       "AccessToken": {
                         "type": "string"
                       }
-                    }
+                    },
+                    "required": [
+                      "AuthenticationMode"
+                    ]
                   },
                   "Collection": {
                     "description": "URI of the TFS collection (e.g., \"http://tfsserver:8080/tfs/DefaultCollection\"). Must be a valid absolute URL pointing to the TFS collection.",
@@ -162,7 +165,11 @@
                       "IterationPath": {
                         "type": "string"
                       }
-                    }
+                    },
+                    "required": [
+                      "AreaPath",
+                      "IterationPath"
+                    ]
                   },
                   "Name": {
                     "description": "missing XML code comments",
@@ -214,7 +221,10 @@
                       "AccessToken": {
                         "type": "string"
                       }
-                    }
+                    },
+                    "required": [
+                      "AuthenticationMode"
+                    ]
                   },
                   "Collection": {
                     "description": "URI of the TFS collection (e.g., \"http://tfsserver:8080/tfs/DefaultCollection\"). Must be a valid absolute URL pointing to the TFS collection.",
@@ -243,7 +253,11 @@
                       "IterationPath": {
                         "type": "string"
                       }
-                    }
+                    },
+                    "required": [
+                      "AreaPath",
+                      "IterationPath"
+                    ]
                   },
                   "Name": {
                     "description": "missing XML code comments",
@@ -295,7 +309,10 @@
                       "AccessToken": {
                         "type": "string"
                       }
-                    }
+                    },
+                    "required": [
+                      "AuthenticationMode"
+                    ]
                   },
                   "Collection": {
                     "description": "URI of the TFS collection (e.g., \"http://tfsserver:8080/tfs/DefaultCollection\"). Must be a valid absolute URL pointing to the TFS collection.",
@@ -324,7 +341,11 @@
                       "IterationPath": {
                         "type": "string"
                       }
-                    }
+                    },
+                    "required": [
+                      "AreaPath",
+                      "IterationPath"
+                    ]
                   },
                   "Name": {
                     "description": "missing XML code comments",
@@ -376,7 +397,10 @@
                       "AccessToken": {
                         "type": "string"
                       }
-                    }
+                    },
+                    "required": [
+                      "AuthenticationMode"
+                    ]
                   },
                   "Collection": {
                     "description": "URI of the TFS collection (e.g., \"http://tfsserver:8080/tfs/DefaultCollection\"). Must be a valid absolute URL pointing to the TFS collection.",
@@ -405,7 +429,11 @@
                       "IterationPath": {
                         "type": "string"
                       }
-                    }
+                    },
+                    "required": [
+                      "AreaPath",
+                      "IterationPath"
+                    ]
                   },
                   "Name": {
                     "description": "missing XML code comments",
@@ -428,7 +456,10 @@
                           "type": "string"
                         }
                       }
-                    }
+                    },
+                    "required": [
+                      "Query"
+                    ]
                   },
                   "ReflectedWorkItemIdField": {
                     "description": "Name of the custom field used to store the reflected work item ID for tracking migrated items. Typically \"Custom.ReflectedWorkItemId\".",

src/MigrationTools.Clients.TfsObjectModel/EndPoints/Infrastructure/TfsTeamProjectAuthentication.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.ComponentModel.DataAnnotations;
 using System.Text;
 using System.Threading.Tasks;
 using Microsoft.Extensions.Options;
@@ -16,6 +17,7 @@ namespace MigrationTools.Endpoints.Infrastructure
     public class TfsAuthenticationOptions : IValidateOptions<TfsAuthenticationOptions>
     {
         [JsonConverter(typeof(StringEnumConverter))]
+        [Required]
         public AuthenticationMode AuthenticationMode { get; set; }
 
         [JsonProperty( NullValueHandling = NullValueHandling.Ignore)]

src/MigrationTools.Clients.TfsObjectModel/Endpoints/TfsLanguageMapOptions.cs

@@ -2,6 +2,9 @@
 using System.Linq;
 using Microsoft.Extensions.Options;
 using Serilog;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
 
 namespace MigrationTools.Endpoints
 {
@@ -14,12 +17,14 @@ public class TfsLanguageMapOptions : IValidateOptions<TfsLanguageMapOptions>
         /// Gets or sets the field name for the area path in the TFS system language (e.g., "Area" for English, "Zone" for French).
         /// </summary>
         /// <default>Area</default>
+        [Required]
         public string AreaPath { get; set; }
 
         /// <summary>
         /// Gets or sets the field name for the iteration path in the TFS system language (e.g., "Iteration" for English, "Itération" for French).
         /// </summary>
         /// <default>Iteration</default>
+        [Required]
         public string IterationPath { get; set; }
 
         public ValidateOptionsResult Validate(string name, TfsLanguageMapOptions options)

src/MigrationTools.ConsoleDataGenerator/DataSerialization.cs

@@ -523,6 +523,11 @@ private static JSchema BuildInlineObjectSchemaFromType(Type t, string descriptio
             {
                 var ps = BuildSchemaForType(p.PropertyType);
                 schema.Properties[p.Name] = ps;
+                // Capture required attribute for nested complex types
+                if (p.GetCustomAttributes(typeof(System.ComponentModel.DataAnnotations.RequiredAttribute), inherit: true).Any())
+                {
+                    schema.Required.Add(p.Name);
+                }
             }
             return schema;
         }