- Move Display-Mode "Dossier Plan" to shipped; describe walls as multilayer
with T-/L-/X-joints and Sturz/Brüstung openings; expand stairs depth and
configurable 2D plan display
- Drop BIM framing and identity-by-negation throughout
- Replace named CAD product comparisons with generic phrasing
- Remove unsupported "6+ months in production" claim
- Use "Python 3.9" instead of "CPython 3.9" in user-facing copy
- Rename "Tauri-Launcher" card to "Launcher" and drop sparkles icon
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>