feat: add local authentication

Tiku.IntegrationTests/Api/SecurityFoundationTests.cs

@@ -1,9 +1,9 @@
 using System.IdentityModel.Tokens.Jwt;
 using System.Net;
 using System.Security.Claims;
+using System.Text;
 using Microsoft.AspNetCore.Mvc.Testing;
 using Microsoft.IdentityModel.Tokens;
-using Tiku.Api.Options;
 using Tiku.Application.Security;
 using Tiku.Domain.Tenancy;
 
@@ -75,7 +75,7 @@ public sealed class SecurityFoundationTests
     private static string CreateToken(IEnumerable<Claim> claims)
     {
         var credentials = new SigningCredentials(
-            JwtOptions.CreateSecurityKey(),
+            new SymmetricSecurityKey(Encoding.UTF8.GetBytes(JwtOptions.SigningKey)),
             SecurityAlgorithms.HmacSha256);
 
         var token = new JwtSecurityToken(