What problem does it solve? Architectural decisions get re-litigated when the reasoning behind them is never recorded. This Skill writes a properly numbered, consistently formatted Architecture Decision Record (ADR) into a feature's docs directory so the decision, its context, and its tradeoffs are preserved. ## Core Features & Use Cases - Automatic numbering: Scans both the feature root and its archived/ subdirectory for existing adr-*.md files and assigns the next numeric max, zero-padded to three digits (adr-001, adr-002, ...). - Superseded handling: When a new ADR replaces an old one, it edits both files in the same pass — the new ADR gets a Supersedes link and the old ADR's Status flips to Superseded with a back-link. - Classification guard: Validates the generated filename against the doc taxonomy before writing, so titles containing words like runbook or checklist don't silently misclassify the file. - Use Case: After choosing JWT over session cookies for the auth feature, run the skill to produce docs/features/auth/adr-001-use-jwt-over-session-cookies.md with Context, Decision, Status, Consequences, and Alternatives sections. ## Quick Start Ask the AI to write an ADR for the auth feature recording the decision to use JWT over session cookies.