fix some emotion bugs

crates/chattyness-db/src/ws_messages.rs

@@ -27,6 +27,12 @@ pub enum ClientMessage {
 
     /// Ping to keep connection alive.
     Ping,
+
+    /// Send a chat message to the channel.
+    SendChatMessage {
+        /// Message content (max 500 chars).
+        content: String,
+    },
 }
 
 /// Server-to-client WebSocket messages.
@@ -89,4 +95,26 @@ pub enum ServerMessage {
         /// Error message.
         message: String,
     },
+
+    /// A chat message was received.
+    ChatMessageReceived {
+        /// Unique message ID.
+        message_id: Uuid,
+        /// User ID of sender (if authenticated user).
+        user_id: Option<Uuid>,
+        /// Guest session ID (if guest).
+        guest_session_id: Option<Uuid>,
+        /// Display name of sender.
+        display_name: String,
+        /// Message content.
+        content: String,
+        /// Current emotion of sender (0-11) for bubble styling.
+        emotion: u8,
+        /// Sender's X position at time of message.
+        x: f64,
+        /// Sender's Y position at time of message.
+        y: f64,
+        /// Server timestamp (milliseconds since epoch).
+        timestamp: i64,
+    },
 }