Solo

2026-10-02 06:33:01 -05:00
parent a0bd19b3ba
commit 5fff5a165e
13 changed files with 786 additions and 211 deletions
@@ -350,6 +350,9 @@ def local_sounding(notes):

 def contract_valid(draft, notes):
  by_id = {n.event_id: n for n in local_sounding(notes)}
+  for tail in draft.sustained_tails:
+    if not any(n.pitch.number() == tail.pitch and n.start <= tail.start and n.end >= tail.end for n in by_id.values()):
+      return False, f'{tail.start}-{tail.end}: required sounding arrival tail changed'
  original = {n.event_id: n for n in draft.notes}
  for identity in (*draft.structural, *draft.protected):
    before, after = original[identity], by_id.get(identity)