Audited SPEC.md against code — mostly accurate but redundant with
repo-map.md and design-principles.md. Minor drift in storage internals,
wizard step count, and mode representation. Salvaged product vision and
non-goals into docs/design-notes.md with staleness disclaimer.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
