docs: add CLI tool enhancement section to mesh network plan
Added comprehensive AITBC CLI tool feature specifications:
- Node management commands (list, start, stop, restart, logs, metrics)
- Validator management commands (add, remove, rotate, slash, stake)
- Network management commands (status, peers, topology, health, recovery)
- Agent management commands (register, info, reputation, match)
- Economic commands (stake, unstake, rewards, gas-price)
- Job & contract commands (create, assign, fund, release, dispute)
- Monitoring & diagnostics commands (monitor, benchmark, diagnose)
- Configuration commands (get, set, export, env switch)
Implementation timeline: 2-3 weeks
Priority: High (essential for mesh network operations)