Function presenceAddUser

web/lib/collaboration/presence.ts:31–36

(
  state: PresenceState,
  user: CollabUser
)

// ─── Updaters (all return new state, immutable) ───────────────────────────────

export function presenceAddUser(
  state: PresenceState,
  user: CollabUser
): PresenceState {
  return { ...state, users: new Map(state.users).set(user.id, user) };
}

export function presenceRemoveUser(
  state: PresenceState,