feat(mockups): 13 curtain call (frieze → sea → landfall → frieze → cave, look toggle 1/2/3)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

docs/design/002-direction-round-notes.md

@@ -198,6 +198,10 @@ mockup of the transition.
   → into the cave. The vellum chart (12) appears as the map on the captain's table at sea.
 - three.js is allowed in 13 (it is already a dependency; it reuses 07's sea).
 
+- **13 is finished and committed** (`feat/sea-chart-round`, not pushed); report in
+  `docs/design/002-sea-chart-spikes/13-curtain-call-report.md`. Preview rebuilt with 01–13.
+  Known rough spots: a small sideways camera shuffle at landfall, sun glare in looks 1/2, a boxy giant.
+
 ## Open questions (in priority order)
 
 1. ~~Which sea-chart approach (08–11) reads best, or which mix?~~ 11's navigation + 10's style (§9).