Manual-only gate: If the user did not explicitly invoke explain by name, stop without drafting Markdown/HTML or installing renderer dependencies. Explain that this skill is manual-only.

Explain

Critical rules

• Explain only. Do not implement, fix, or modify the subject; write only the requested Markdown/HTML artifacts and any required local dependency install.
• Lead with the answer or mental model, then supply only the context needed to support it.
• Ground claims in supplied/current code, data, artifacts, or conversation context. For code, cite paths and symbols and distinguish observed behavior from inference.
• Default to 3–6 sections, paragraphs of at most three sentences, at most one useful diagram, and 1–2 focused excerpts normally no longer than 15 lines each. Exceed a default when correctness requires it.
• Do not repeat the same information in prose, code, tables, and diagrams. Give each retained modality a distinct job.
• Redact secrets, credentials, tokens, PII, and irrelevant sensitive values from prose, excerpts, diagrams, and paths returned to the user.
• Before designing any explanation, read references/explanation-design.md. It is mandatory.

Workflow