Add docs/AUDIT*.md covering competitive landscape (easy-floorplan 11→430★),
implementation quality, functional integrity, and P0–P3 recommendations.
Refresh PRODUCT.md competitor claim and point STATUS watchlist at the pack.
Co-authored-by: Matysh <Matysh@users.noreply.github.com>
TESTING gets a manual checklist matching the current contracts (modes,
teleport-on-view-change, tip glued to the icon, fit panel, multi-floor);
ARCHITECTURE gains trails.py and the trail/get command; VACUUM records
the display modes and what P1 actually shipped; README/PRODUCT/ROADMAP/
STATUS mention the feature.