chat, nicknames, user list.

server/src/services/sessionService.js

@@ -8,8 +8,25 @@ const assignmentService = require('./assignmentService');
 const { getActiveDrivers, turnEvents } = require('./turnService');
 const { getRoomCameras, roomCameraEvents } = require('./roomCameraService');
 const { getState: getHomeAssistantState, homeAssistantEvents } = require('./homeAssistantService');
+const { getNickname, nicknameEvents } = require('./nicknameService');
+
+function buildUserEntry(socket) {
+  if (!socket) return null;
+  const role = getRole(socket);
+  const assignment = assignmentService.describeAssignment(socket.id);
+  const primaryRover = roverManager.getPrimaryRoverForSocket(socket.id);
+  return {
+    socketId: socket.id,
+    nickname: getNickname(socket) || null,
+    role,
+    roverId: primaryRover || assignment?.roverId || null,
+  };
+}
 
 function buildSession(socket) {
+  const users = Array.from(io.sockets.sockets.values())
+    .map((sock) => buildUserEntry(sock))
+    .filter(Boolean);
   return {
     socketId: socket?.id || null,
     role: getRole(socket),
@@ -19,6 +36,7 @@ function buildSession(socket) {
     activeDrivers: getActiveDrivers(),
     roomCameras: getRoomCameras(),
     homeAssistant: getHomeAssistantState(),
+    users,
   };
 }
 
@@ -97,6 +115,16 @@ homeAssistantEvents.on('status', () => {
   syncAll();
 });
 
+nicknameEvents.on('change', ({ socketId }) => {
+  const socket = socketId ? io.sockets.sockets.get(socketId) : null;
+  if (socket) {
+    logger.info('Nickname change; syncing session', socketId);
+    syncSocket(socket);
+  } else {
+    syncAll();
+  }
+});
+
 // sync all sockets 20 seconds
 setInterval(() => {
   logger.info('Periodic session sync for all clients');