Note the slider reset by double-click in the Song tab

- Songs: a double-click on a head's volume or pan sets it back to 0.
- Development: 1829 editor checks (+1 in e2e 65).

Development.md

@@ -18,7 +18,7 @@ php tests/php/accounts.test.php                               # the API's accoun
                                                               #   has and the web server's container has not (SKIP there)
 php tests/php/snapshots.test.php                              # the snapshot store (#231), the same way
 php tests/php/releases.test.php                               # the release store (#266), the same way
-node tools/seed-e2e.mjs && node tools/e2e.mjs                 # 1828 editor checks, screenshots in /tmp/gm-e2e-*.png
+node tools/seed-e2e.mjs && node tools/e2e.mjs                 # 1829 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

Songs.md

@@ -85,6 +85,7 @@ right-click menu, not from the inspector.
 | Double-click a pattern item | Opens the pattern in the Pattern tab. |
 | Click **M** or **S** in a head | Mutes or solos the track. |
 | Drag along a head's volume or pan | Sets it; while the song plays it is heard as it moves. |
+| Double-click a head's volume or pan | Sets it back to 0: the volume to 0 dB, the pan to the middle. |
 | Right-click a head | *Add track above*, *Add track below*, *Move up*, *Move down*, *Delete track*. |
 
 Every drag is one undo step, and so is every key below that changes the song.