CloudSigma UX fixes:
- Use log_error consistently for remediation hints (was log_warn)
- Add "Common issues" block to create_server failure
- Add actionable hints to server timeout error
- Extract API error message instead of dumping raw response
- Fix README: VNC password is random, not hardcoded
RamNode README:
- Update implemented agents list from 9 to all 15
Agent: ux-engineer
Co-authored-by: A <6723574+louisgv@users.noreply.github.com>
Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>