HTML Structure Validate Skill Purpose This skill is a BLOCKING quality gate that ensures generated HTML meets minimum structural requirements. It is the first deterministic validation of probabilistic AI-generated output. The skill checks: - HTML5 compliance - Proper DOCTYPE, tags - Tag closure - All tags properly closed - Required elements - Meta tags, stylesheet links - Well-formedness - Valid structure If validation fails, the pipeline STOPS and triggers a hook to notify the user. This enforces the principle: Python validates, ensuring deterministic quality . What to Do 1. Load HTML file t…