- Tap a beat to cycle it (off->normal->accent->ghost); the title turns red (unsaved).
Tap the title -> SAVE / REVERT modal. Editing a built-in saves a COPY into a "My edits"
user playlist (built-ins stay read-only); editing a user item updates it in place.
Saves persist to programs.json (NAKs gracefully in editor mode / read-only).
- New round-trippable serializer (lane_to_str/_prog_str): parser now keeps groups + @db
gain + ramp start; verified parse->serialize->parse on all 23 built-ins (0 mismatches).
- Continue (CONT) toggle, top-right of the tab line: when on, a playlist auto-advances to
the next item at the end of each item's b<n> segment (no log spam, keeps the stopwatch).
- Touch routing consolidated: tab=switch playlist / CONT, title=save-revert, pads=cycle,
log=delete; modal overlay drawn on top.
Verified in the harness: beat cycle+dirty, built-in edit -> My edits persisted (built-ins
untouched), revert, Continue arming at segment end, overlay SAVE-tap, and both renders.
Next (0.1.0): tap the instrument name -> lane-parameter table (reuses this save machinery).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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