Lower the Joke Shop facade to 6 m so the canopy caps the low hall

TODO.md

@@ -462,8 +462,9 @@ pass. The current `_build_comedy_store_building()` stays as the fallback.*
       accepted as a readable stylization.
 - [x] Rank the shape-language gaps and write the top-five fix list (measurements from the
       proportions pass, §`docs/joke-shop-map.md`):
-      1. **Facade height** — game 8.4 m vs real ~5.5–6 m (≈3.2:1 vs ~6:1 ratio); the tallest
-         read deviation.
+      1. **Facade height** — game 8.4 m vs real ~5.5–6 m (≈3.2:1 vs ~6:1 ratio). **Fixed
+         2026-11-03:** `facade_height` lowered to 6.0 m; the wall now reads as a low single-storey
+         hall with the canopy capping the top (vision-verified).
       2. **Rounded west corner** — the real building has a ~3–4 m radius corner; the game uses a
          hard 90° corner, and the entrance sits at the rounded corner.
       3. **Canopy depth/slope** — game 4.9 m at 11° vs real ~4–4.5 m with a shallower pitch.