Fix WebSocket real-time messaging

composeApp/src/commonMain/kotlin/ru/fromchat/api/WebSocketData.kt

@@ -0,0 +1,39 @@
+package ru.fromchat.api
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class WebSocketUpdatesData(
+    val seq: Int,
+    val updates: List<WebSocketMessage>
+)
+
+@Serializable
+data class ReactionUpdateData(
+    val message_id: Int,
+    val emoji: String,
+    val action: String,
+    val user_id: Int,
+    val username: String,
+    val reactions: List<ReactionData>
+)
+
+@Serializable
+data class ReactionData(
+    val emoji: String,
+    val count: Int,
+    val users: List<ReactionUser>
+)
+
+@Serializable
+data class ReactionUser(
+    val id: Int,
+    val username: String
+)
+
+@Serializable
+data class TypingUpdateData(
+    val userId: Int,
+    val username: String
+)
+