Feature: /nodes and /node commands — multi-host node management

  Background:
    Given user "user_abc123" is sending commands
    And ROUTER_MODE is disabled

  Scenario: /nodes outside router mode returns explanation
    When user sends "/nodes"
    Then reply contains "Not in router mode"

  Scenario: /node outside router mode returns explanation
    When user sends "/node myhost"
    Then reply contains "Not in router mode"