chore(infra): update compose configurations, mqtt health bridge, and export scripts

FinlyticCore/Dtos/MqttRequestDtos.cs

@@ -245,6 +245,13 @@ public record CreateManualTradeRequest(
     [property: JsonPropertyName("fee")] decimal Fee = 0m
 );
 
+/// <summary>
+/// Generic request payload carrying a user GUID to resolve user identity across microservices.
+/// </summary>
+public record UserIdRequest(
+    [property: JsonPropertyName("userId")] Guid UserId
+);
+
 /// <summary>
 /// Machine-readable classification of a server-side RPC fault, carried by <see cref="RpcErrorResponse"/> so a
 /// caller can react to the specific failure mode instead of only learning "something went wrong" (or, before

FinlyticCore/Dtos/Trading/EngineTradeDtos.cs

@@ -108,6 +108,7 @@ public record TradeFillDto(
 public record ActiveTradeDto(
     [property: JsonPropertyName("tradeId")] Guid TradeId,
     [property: JsonPropertyName("proposalId")] Guid ProposalId,
+    [property: JsonPropertyName("userId")] Guid UserId,
     [property: JsonPropertyName("underlyingIsin")] string UnderlyingIsin,
     [property: JsonPropertyName("symbol")] string Symbol,
     [property: JsonPropertyName("derivativeIsin")] string? DerivativeIsin,

FinlyticCore/Util/MqttTopics.cs

@@ -279,6 +279,14 @@ public static class MqttTopics
         /// <summary>Served by FinlyticBot: applies dynamic setting updates for the service.</summary>
         public const string BotSettingsUpdate = "bot_settings_Update";
 
+        // ---- FinlyticNotify ----
+
+        /// <summary>Served by FinlyticNotify: returns all dynamic settings for the service.</summary>
+        public const string NotifySettingsGetAll = "notify_settings_GetAll";
+
+        /// <summary>Served by FinlyticNotify: applies dynamic setting updates for the service.</summary>
+        public const string NotifySettingsUpdate = "notify_settings_Update";
+
         // ---- FinlyticBackend ----
 
         /// <summary>
@@ -286,6 +294,11 @@ public static class MqttTopics
         /// even though FinlyticBackend is outside this refactor's scope, so no future service hardcodes it again.
         /// </summary>
         public const string BackendGetAggregatedFavorites = "backend_GetAggregatedFavorites";
+
+        /// <summary>
+        /// Served by FinlyticBackend: resolves and returns the clean username for a given UserId GUID.
+        /// </summary>
+        public const string BackendGetUsername = "backend_GetUsername";
     }
 
     // ---------------------------------------------------------------------------------------------------