Index: iknow-api/Models/ContactInfo.cs
===================================================================
--- iknow-api/Models/ContactInfo.cs	(revision f0fc386e116e253982a713c3b986c26be3ab86fb)
+++ iknow-api/Models/ContactInfo.cs	(revision ab652ff2cf4420bcf41b4bc55899482afcf8a567)
@@ -6,9 +6,9 @@
     {
         public int Id { get; set; }
-        public string? city { get; set; }
-        public string? address { get; set; }
-        public string? municipality { get; set; }
-        public string? phoneNumber { get; set; }
-        public string? microsoftEmail { get; set; }
+        public string? City { get; set; }
+        public string? Address { get; set; }
+        public string? Municipality { get; set; }
+        public string? PhoneNumber { get; set; }
+        public string? MicrosoftEmail { get; set; }
         
         public int UserId { get; set; }
Index: iknow-api/Models/Documents.cs
===================================================================
--- iknow-api/Models/Documents.cs	(revision f0fc386e116e253982a713c3b986c26be3ab86fb)
+++ iknow-api/Models/Documents.cs	(revision ab652ff2cf4420bcf41b4bc55899482afcf8a567)
@@ -4,7 +4,7 @@
     {
         public int Id { get; set; }
-        public string? name { get; set; }
-        public string? body { get; set; }
-        public int cost { get; set; }
+        public string? Name { get; set; }
+        public string? Body { get; set; }
+        public int Cost { get; set; }
         public ICollection<UserDocuments>? User { get; set; }
     }
Index: iknow-api/Models/EnrollmentInfo.cs
===================================================================
--- iknow-api/Models/EnrollmentInfo.cs	(revision f0fc386e116e253982a713c3b986c26be3ab86fb)
+++ iknow-api/Models/EnrollmentInfo.cs	(revision ab652ff2cf4420bcf41b4bc55899482afcf8a567)
@@ -1,3 +1,5 @@
 using System.ComponentModel.DataAnnotations.Schema;
+using Microsoft.AspNetCore.SignalR;
+using Microsoft.Net.Http.Headers;
 
 namespace iknow_api.Models
@@ -11,5 +13,4 @@
         public int Id { get; set; }
         public int enrollmentYear { get; set; }
-        // CS1597 fix: no semicolon after accessor block
         public Quota quota { get; set; }
         public int MajorId { get; set; }
@@ -17,4 +18,6 @@
         public int UserId { get; set; }
         public User? User { get; set; }
+        public string? StudyType { get; set; }
+        public string? StudyStatus { get; set; }
 
     }
Index: iknow-api/Models/HighSchool.cs
===================================================================
--- iknow-api/Models/HighSchool.cs	(revision f0fc386e116e253982a713c3b986c26be3ab86fb)
+++ iknow-api/Models/HighSchool.cs	(revision ab652ff2cf4420bcf41b4bc55899482afcf8a567)
@@ -3,7 +3,7 @@
 namespace iknow_api.Models
 {
-    public enum type
+    public enum HighSchoolType
     {
-        strucen, gimnazija
+        Strucen, Gimnazija
     }
     public class HighSchool
@@ -11,8 +11,8 @@
         public int Id { get; set; }
         public float GPA { get; set; }
-        public type tip { get; set; }
-
+        public HighSchoolType HighSchoolType { get; set; }
         public int UserId { get; set; }
-        public User User { get; set; }
+        public User? User { get; set; }
+        public string? StudyLanguage { get; set; }
     }
 }
Index: iknow-api/Models/MajorSubjects.cs
===================================================================
--- iknow-api/Models/MajorSubjects.cs	(revision f0fc386e116e253982a713c3b986c26be3ab86fb)
+++ iknow-api/Models/MajorSubjects.cs	(revision ab652ff2cf4420bcf41b4bc55899482afcf8a567)
@@ -6,5 +6,5 @@
         public int SubjectId { get; set; }
         public int MandatorySemester { get; set; }
-        public int Akreditacija { get; set; }
+        public int Accreditation { get; set; }
         public Major? Majors { get; set; }
         public Subject? Subjects { get; set; }
Index: iknow-api/Models/RefreshToken.cs
===================================================================
--- iknow-api/Models/RefreshToken.cs	(revision f0fc386e116e253982a713c3b986c26be3ab86fb)
+++ iknow-api/Models/RefreshToken.cs	(revision ab652ff2cf4420bcf41b4bc55899482afcf8a567)
@@ -7,5 +7,5 @@
         public int Id { get; set; }
         public int UserId { get; set; }
-        public User User { get; set; } 
+        public User? User { get; set; } 
         public string? Token { get; set; }
         public DateTime ExpiresAt { get; set; }
Index: iknow-api/Models/User.cs
===================================================================
--- iknow-api/Models/User.cs	(revision f0fc386e116e253982a713c3b986c26be3ab86fb)
+++ iknow-api/Models/User.cs	(revision ab652ff2cf4420bcf41b4bc55899482afcf8a567)
@@ -19,4 +19,8 @@
         public string? Email { get; set; }
         public string? PasswordHash { get; set; }
+        public string? MiddleName { get; set; }
+        public string? Gender { get; set; }
+        public string? Nationality { get; set; }
+        public string? Citizenship { get; set; }
         public DateTime Bday { get; set; }
         public DateTime CreatedAt { get; set; }