Add OAuth 2.0 support and flexible user metadata with JSONB storage

src/GZCTF.Integration.Test/Base/GZCTFApplicationFactory.cs

@@ -1,4 +1,5 @@
 using GZCTF.Models;
+using GZCTF.Models.Request.Account;
 using GZCTF.Services.Container.Manager;
 using GZCTF.Services.Container.Provider;
 using GZCTF.Storage;
@@ -10,6 +11,7 @@
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
+using System.Net.Http.Json;
 using Testcontainers.K3s;
 using Testcontainers.Minio;
 using Testcontainers.PostgreSql;
@@ -262,6 +264,25 @@ public async Task InitializeAsync()
         await context.Database.MigrateAsync();
     }
 
+    /// <summary>
+    /// Create an authenticated HTTP client for the given user
+    /// </summary>
+    public HttpClient CreateAuthenticatedClient(TestDataSeeder.SeededUser user)
+    {
+        var client = CreateClient();
+
+        // Login the user
+        var loginResponse = client.PostAsJsonAsync("/api/Account/LogIn", new
+        {
+            UserName = user.UserName,
+            Password = user.Password
+        }).Result;
+
+        loginResponse.EnsureSuccessStatusCode();
+
+        return client;
+    }
+
     public new async Task DisposeAsync()
     {
         // Dispose containers

src/GZCTF.Integration.Test/Base/TestDataSeeder.cs

@@ -398,6 +398,23 @@ private static string NormalizeTeamName(string? teamName)
         return trimmed;
     }
 
+    /// <summary>
+    /// Create a user with specific role
+    /// </summary>
+    public static async Task<(SeededUser user, string password)> CreateUserWithRoleAsync(
+        IServiceProvider services, 
+        Role role = Role.User,
+        CancellationToken token = default)
+    {
+        var password = $"Test{role}Pass123!";
+        var userName = RandomName();
+        var email = $"{userName}@test.com";
+
+        var user = await CreateUserAsync(services, userName, password, email, role, token);
+
+        return (user, password);
+    }
+
     public record SeededUser(Guid Id, string UserName, string Email, string Password, Role Role);
 
     public record SeededTeam(int Id, string Name, Guid OwnerId);