当需要为目标 skill 生成改进候选、把上次失败信息注入下一轮生成、或分析历史记忆模式来避免重复失败时使用。支持 --trace 注入失败上下文。不用于打分（用 improvement-discriminator）或评估（用 improvement-learner）。
Pre-install review · source, risk, and alternatives
Trust level
85 · High trust
Strong recovered source and maintenance signals.
Risk decision
High attention
needs credentials, network access, runs shell
Install readiness
script-backed · copy-only command
SkillTrust only shows install guidance and copy actions; it never executes installs.
Supported tools can change install steps; Universal entries need source review.
needs credentials, network access, runs shell