T12c Data Display: Carousel, Gallery, BeforeAfter, Watermark (review pending: codex 401)

TASKS.md

@@ -44,7 +44,8 @@ Per-component lines live in `tasks/`. Tags there:
 - [x] T11d Motion · Effects
 - [ ] T12a Data Display · People & numbers
 - [ ] T12b Data Display · Records
-- [ ] T12c Data Display · Media & measures
+- [ ] T12c Data Display · Media
+- [ ] T12d Data Display · Codes & measures
 - [ ] T13 Lists & Trees
 - [ ] T14 Tables
 - [ ] T15 Charts
@@ -183,3 +184,4 @@ Per-component lines live in `tasks/`. Tags there:
 | T11d | 3 | PASS | |
 | T12a | 1 | — | pending: codex answered 401 on every request; committed unreviewed, reviewed from its commit once codex logs in |
 | T12b | 1 | — | pending: codex still logged out |
+| T12c | 1 | — | pending: codex still logged out |