✨ Challenge retrieve api

DysonNetwork.Sphere/Auth/AuthController.cs

@@ -74,6 +74,19 @@ public class AuthController(
         return challenge;
     }
 
+    [HttpGet("challenge/{id:guid}")]
+    public async Task<ActionResult<Challenge>> GetChallenge([FromRoute] Guid id)
+    {
+        var challenge = await db.AuthChallenges
+            .Include(e => e.Account)
+            .ThenInclude(e => e.Profile)
+            .FirstOrDefaultAsync(e => e.Id == id);
+
+        return challenge is null 
+            ? NotFound("Auth challenge was not found.") 
+            : challenge;
+    }
+
     [HttpGet("challenge/{id:guid}/factors")]
     public async Task<ActionResult<List<AccountAuthFactor>>> GetChallengeFactors([FromRoute] Guid id)
     {

DysonNetwork.Sphere/Auth/OpenId/ConnectionController.cs

@@ -355,7 +355,7 @@ public class ConnectionController(
                 connection.Account, 
                 HttpContext, 
                 deviceId ?? string.Empty);
-            return Redirect($"/auth/callback?context={challenge.Id}");
+            return Redirect($"/auth/callback?challenge={challenge.Id}");
         }
 
         // Register new user

DysonNetwork.Sphere/Auth/OpenId/OidcService.cs

@@ -291,6 +291,5 @@ public class OidcCallbackData
     public string Code { get; set; } = "";
     public string IdToken { get; set; } = "";
     public string? State { get; set; }
-    public string? CodeVerifier { get; set; }
     public string? RawData { get; set; }
 }