Describe Delete row in the timeline menu

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

Animations.md

@@ -96,7 +96,8 @@ another animation each row finds the row animating the same property; rows witho
 out. A pasted key replaces one on its frame. **Right-click** the timeline for *Copy*, *Paste*,
 *Insert frames…* and *Remove frames…*: both ask for a count and work at the playhead over every
 row — inserting moves every key from the playhead's frame on later, removing drops the keys in
-the removed frames and pulls the rest earlier. Each is one undo step. Click or drag the ruler to scrub. The wheel zooms the
+the removed frames and pulls the rest earlier. Each is one undo step. The same menu has
+*Delete row* for the row under the pointer; right-clicking a row's header also picks that row. Click or drag the ruler to scrub. The wheel zooms the
 frames about the pointer, `Shift`+wheel scrolls, the middle button (or `Shift`+drag) pans. Rows are not collapsed or reordered.
 
 **Play, stop, pause.** `Play animation` starts an animation on an object (both are ports: the

Development.md

@@ -15,7 +15,7 @@ npm run build        # writes dist/ and regenerates index.html
 php tools/make-user.php <name> <password> [admin|user]        # an account; every tool signs in (see Accounts)
 php tests/php/accounts.test.php                               # the API's account rules, no server needed (CI's gate job)
 php tests/php/snapshots.test.php                              # the snapshot store (#231), the same way
-node tools/seed-e2e.mjs && node tools/e2e.mjs                 # 1416 editor checks, screenshots in /tmp/gm-e2e-*.png
+node tools/seed-e2e.mjs && node tools/e2e.mjs                 # 1417 editor checks, screenshots in /tmp/gm-e2e-*.png
 GM_STEPS=20 node tools/e2e.mjs                                # or 1-12, or 6,20 — a subset while working on one step
 ./e2e.sh start [GM_STEPS]                                     # the same run detached, see below
 ./e2e.sh status                                               # live progress, or the last run's result