Goal: Display detailed information about a specified node

Functional Requirements:

• Node basic information (name, status, PID, startup time)
• Input topic list
• Output topic list
• Configuration parameters
• Log location

Technical Points:

• Query coordinator node metadata
• Format and display topology connection relationships

Acceptance Criteria:

$ dora node info detector_node
Name: detector_node
Status: Running
PID: 12346
Uptime: 00:15:32
Inputs:
  - /sensors/camera
Outputs:
  - /detection/objects
Log: /tmp/dora/logs/detector_node.log

Compatibility: New command, does not affect existing functionality