vertical-slice-audit

Audit a feature or module against the Vertical Slice Architecture (VSA) checklist. Scores 10 rows (own folder, local models/schemas/routes/service, local errors, colocated tests, explicit public API, low coupling), classifies the slice (AI-friendly / partially migrated / horizontally organized), and outputs a migration playbook if it scores below 9/10. Handles Python flat-sys.path codebases (rows 8-9 get a…