feat: add cli-anything-jumpserver v0.1.0 harness (#346)

* feat: add cli-anything-jumpserver v0.1.0 harness

- JUMP server bastion host CLI for AI agents and humans
- Covers: assets, users, permissions, accounts, sessions, audit, system
- Uses JumpServer REST API with Token authentication
- 59 unit tests passing (mock backend)
- Includes SKILL.md, registry.json entry, and SOP docs
- Proper agent-harness directory structure following project conventions

* Fix JumpServer harness validation blockers

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Co-authored-by: yuhao <itsyuhao@icloud.com>