yep

Gameboard.ShogiUI.Sockets/Controllers/GameController.cs

@@ -176,7 +176,7 @@ namespace Gameboard.ShogiUI.Sockets.Controllers
 		}
 
 		[HttpGet]
-		public async Task<GetSessionsResponse> GetSessions()
+		public async Task<ActionResult<GetSessionsResponse>> GetSessions()
 		{
 			var user = await ReadUserOrThrow();
 			var sessions = await gameboardRepository.ReadSessionMetadatas();
@@ -190,11 +190,11 @@ namespace Gameboard.ShogiUI.Sockets.Controllers
 				.Select(s => mapper.Map(s))
 				.ToList();
 
-			return new GetSessionsResponse
+			return Ok(new GetSessionsResponse
 			{
 				PlayerHasJoinedSessions = sessionsJoinedByUser,
 				AllOtherSessions = sessionsNotJoinedByUser
-			};
+			});
 		}
 
 		[HttpPut("{gameName}")]