Use the photo-anchored ashlar limestone on the masonic facade

TODO.md

@@ -393,10 +393,14 @@ facade evidence is still the 2009 CC BY frame. The 8 downloaded candidates are i
 - [ ] Run the assisted Blender pipeline end to end on the first block (OSM import → `inspect` →
       retopo/UV assist → atlas → `audit`), and document the exact commands in
       `docs/asset-tooling.md`.
-- [ ] Building-appearance realism pass, measured against the reference set: bring the masonic
+- [-] Building-appearance realism pass, measured against the reference set: bring the masonic
       facade's material response (limestone value/roughness, joint lines, weathering streaks),
       the banner/canopy and marquee materials, and the night emissive balance to the level of the
       2009 facade photo and the 2026 street frames; capture before/after and record each delta.
+      (Ashlar field landed: `limestone_ashlar` tile generated reference-anchored from the facade
+      photo, 768 px over ~4.6 m of wall = ~167 px/m, promoted via the picks pipeline; facade
+      field + tint warm-shift live behind `VENUE_SPECS`, recapture committed and the day board
+      rebuilt. Still open: night emissive balance and banner/canopy materials.)
 - [ ] Upgrade the facade from flat material bands to photoreal detail: either texture-projected
       detail (Path B below) or AI-generated material tiles derived from the facade photo (with
       provenance), then verify texel density, tiling and the night look.