docs: phone report 2026-09-07, rows at the transcript's top edge culled early or drawn through the header

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

docs/RUST.md

@@ -51,6 +51,9 @@ closes it.
 - [ ] Test rig, layers 1 and 2 ("Three test layers" below). Running.
 - [ ] Fling parity with Compose, and the phone's keyboard push-up, with
   insets shown in the diagnostics overlay. Running, in a worktree.
+- [ ] Rows at the transcript's top edge: culled too early in one state,
+  drawn through the header in the other (docs/IRIS_TODO.md, 2026-09-07).
+  First after the rig lands, using its layer-1 harness.
 - [ ] Phone logging through Dev Updater (Iris has no logcat; see
   docs/TODO.md and the memory note): research how Dev Updater shows an
   app's runtime log, design the smallest route (the app keeps its own