release: v0.1.2 — cornice dentils, changelog entry, TODO pruning

- Hero cornice finished: projecting corona over a 52-dentil course (0.18 x 0.30 x
  0.22 m at 0.45 m centres) so the top of the order has a shadow line instead of
  one flat box. Hero 3044 tris / 148 parts, still 14.50 m; rebuilt, re-imported,
  DemoMap rebuilt, packaged -qaselftest all PASS, screenshots re-rendered.
- CHANGELOG: full 0.1.2 entry (added: concept generator, FBX preset, facade probe,
  Ionic detail, tool tests; changed: 3.1 m storey height, 53.1% colonnade, smoothing
  groups; fixed: floating windows, flat medallions, missing facade collision, the
  three non-building heights).
- TODO: 0.1.2 section removed (goal stays in ROADMAP, whose status line is updated).
- MEMORY: release record incl. the recorded ornament assumptions.

MEMORY.md

@@ -483,3 +483,15 @@ Scope: facts and traps that cost time to establish. Planned work lives in [TODO.
 - `mpfb_character_export.py` was not re-run: it needs the MPFB add-on on
   `BLENDER_USER_SCRIPTS` ("Add-on not loaded: bl_ext.blender_org.mpfb"), which is
   pre-existing and unrelated; the character is not in `0.1.x` gameplay.
+
+## 2026-11-09 — v0.1.2 released
+
+- Cornice finished: projecting corona over a **52-dentil course** (0.18 × 0.30 ×
+  0.22 m at 0.45 m centres, z 12.12–12.34, 0.25 m clear of the corona). Hero is now
+  3 044 tris across 148 parts, still 14.50 m. Verified: packaged `-qaselftest` all
+  PASS (transect 0 holes, wall probe 0/35, facade probe 0/9).
+- `CHANGELOG.md` gets the `0.1.2` entry (added/changed/fixed/verified/limitations),
+  the `0.1.2` section is removed from `TODO.md`, `ROADMAP.md` status updated, tag
+  `v0.1.2` cut after the merge.
+- Assumptions recorded rather than hidden: dentil spacing, base and abacus
+  dimensions are not resolvable in our reference photography.