- Add 'Remote Access via SSH (Optional)' section
- Documents automated sshd-setup.sh usage
- Explains what the setup does
- Shows remote usage examples
- Links to full docs/kugetsu-setup.md for host-side configuration
- skills/kugetsu/SKILL.md: Agent skill documentation following agentskills.io spec
- skills/kugetsu/scripts/kugetsu: Shell wrapper for opencode session management
- Commands: start, list [--all], resume, stop, help
- State tracking: used → idle (graceful) or left (interrupted)
- Auto-fill message on resume
- Confirmation prompt when resuming used session
- skills/kugetsu/scripts/kugetsu-install.sh: Installation script for users
Implements Phase 1 of issue #11 - basic session management layer
for remote agent control without Hermes dependency.