Cleaned up request acks. Added internal service bus for internal messaging.

Hermes/Socket/Requests/GetChatterIdsAck.cs

@@ -0,0 +1,38 @@
+using System.Text.Json;
+using Serilog;
+
+namespace TwitchChatTTS.Hermes.Socket.Requests
+{
+    public class GetChatterIdsAck : IRequestAck
+    {
+        public string Name => "get_chatter_ids";
+        private readonly User _user;
+        private readonly JsonSerializerOptions _options;
+        private readonly ILogger _logger;
+
+        public GetChatterIdsAck(User user, JsonSerializerOptions options, ILogger logger)
+        {
+            _user = user;
+            _options = options;
+            _logger = logger;
+        }
+
+        public void Acknowledge(string requestId, string json, IDictionary<string, object>? requestData)
+        {
+            var chatters = JsonSerializer.Deserialize<IEnumerable<long>>(json, _options);
+            if (chatters == null)
+            {
+                _logger.Warning("Chatters is null.");
+                return;
+            }
+            if (!chatters.Any())
+            {
+                _logger.Warning("Chatters is empty.");
+                return;
+            }
+
+            _user.Chatters = [.. chatters];
+            _logger.Information($"Fetched chatters [count: {chatters.Count()}]");
+        }
+    }
+}