Make the Rust client the sole app

run-headless.sh

@@ -3,14 +3,14 @@
 #
 #   ./run-headless.sh tabs [-- cargo args]
 #   ./run-headless.sh tabs --shot /tmp/tabs.png --seconds 4
-#   ./run-headless.sh phone --phone --dir ../app-rust --shot /tmp/p.png
-#   ./run-headless.sh phone --phone --dir ../app-rust \
-#       --replay ../app-rust/touch/flick-120hz.touch --shot /tmp/p.png
+#   ./run-headless.sh phone --phone --dir ../app --shot /tmp/p.png
+#   ./run-headless.sh phone --phone --dir ../app \
+#       --replay ../app/touch/flick-120hz.touch --shot /tmp/p.png
 #
 # `--dir DIR` names the workspace to build in, defaulting to `iris/` (this
 # script's own directory). The app's examples -- the phone-sized transcript
 # screen and everything else that is about *this product* -- live in
-# `app-rust/`, which is a workspace of its own; `replay-touch` is still
+# `app/`, which is a workspace of its own; `replay-touch` is still
 # built from iris, since it is part of the rig rather than of either app.
 #
 # `--phone` is layer 2 of docs/RUST.md's "Three test layers": the output
@@ -24,7 +24,7 @@
 # shaped, which is what every other example wants.
 #
 # `--replay FILE` drives one of the `.touch` recordings the headless
-# tests use (`app-rust/touch/`) into the window through
+# tests use (`app/touch/`) into the window through
 # `rig-input`'s `replay-touch` -- one recording, both layers. With
 # `--shot` it also writes `<shot>-before.png` from just before the
 # gesture, since "the list moved" is a claim about two pictures.