Iteratively review and optimize Tessl skills using `tessl skill review` — validates frontmatter, checks description specificity and trigger terms, evaluates content conciseness, actionability, and workflow clarity, then applies automated optimizations and re-reviews until quality targets are met. Use when the user wants to evaluate, improve, or optimize skills in their project — e.g. "review my skills", "optimize my skills", "improve skill quality", "run tessl review", or "make my skills better". Also use when the user wants to demonstrate the value of Tessl skill review.