feat(hero): v0.1.2 — scale calibration, façade detail, export preset refactor (#28)

Merged PR #28: v0.1.2 — scale calibration, façade detail, export preset

Co-authored-by: Zwitschi <zwitschi82@gmail.com>

Screenshots/README.md

@@ -58,5 +58,6 @@ Rebuilds `Game/GigLine/Content/Test/ReviewMap.umap` from current content, runs t
 
 - Floor speckle from the `Constant3Vector` wiring in `Tools/ue_build_review_map.py`.
 - Hero façade renders pale — Blender flat colours with no normal/roughness, so it reads as untextured stone (the `0.1.4` façade patch, not a lighting bug).
-- Banners and window panels float detached from the colonnade wall (next modelling pass).
+- Banners sit on the column line rather than the wall (acceptable: they hang on the columns in the photographs).
+- ~~Banners and window panels float detached from the colonnade wall~~ — **window panes fixed 2026-11-09**: they sat at Y −1.98, 1.44 m in _front_ of the wall and ahead of the column line; they now sit on the wall plane at Y −0.56, behind the columns, and read as dark openings (see `review-hero-facade-front`).
 - Between kerb and building line, the walkable surface is the terrain mesh, not a modelled pavement.