Harness armor breaking integrated security analysis plug-in

Key features

• First round of narrowingthe first top-level request only exposes shell + read, and the complete tool directory is released after promotion
• @deepseek-ai/dsh-tools =0.1.0-rc.1 =0.1.0-rc.1 <0.2.0-0 (explicit pre-release branch to avoid silent exclusion of rc builds)
• Root package privatetrue, not published
• Domain routingrouter uses skill_catalog / read_reference to route questions to the corresponding domain