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

tasks/ch11-20.md

@@ -69,12 +69,17 @@
 - [x] ActivityFeed → `data_display::ActivityFeed`, `Activity`
 - [x] Changelog → `data_display::Changelog`, `Release`, `Change`
 
-## T12c Data Display · Media & measures
+## T12c Data Display · Media
+
+- [x] Carousel → `data_display::Carousel`
+- [x] Gallery → `data_display::Gallery`, opening `overlays::Lightbox`
+- [x] Accordion list → `layout::Accordion`
+- [x] Card Grid → `layout::SimpleGrid`
+- [x] BeforeAfter → `data_display::BeforeAfter`
+- [x] Watermark → `data_display::Watermark`; its rows run level, since gpui draws text upright
+
+## T12d Data Display · Codes & measures
 
-- [ ] Carousel
-- [ ] Gallery
-- [ ] Accordion list → `layout::Accordion`
-- [ ] Card Grid → `layout::SimpleGrid`
 - [ ] QRCode
 - [ ] Barcode
 - [ ] ColorSwatch display → `forms::ColorSwatch`
@@ -83,8 +88,6 @@
 - [ ] UsageBar
 - [ ] Rating display → `forms::Rating`
 - [ ] Comparison
-- [ ] BeforeAfter
-- [ ] Watermark
 
 ## T13 Lists & Trees — `src/lists`