Interview the user relentlessly about a plan or design until reaching shared understanding, resolving each branch of the decision tree. Use when user wants to stress-test a plan, get grilled on their design, or mentions "grill me".
Generate and review Arch Lumber project changelog pages from Git tag ranges. Use when Codex needs to find missing docs/changelog pages, create release changelogs that match this repo's format, update docs/changelog/index.md, or validate changelog/docs consistency against Gradle, README, MkDocs, and release tags.