Agent / contributor notes

Submodule `ACE-Step-DAW/` — do not modify for product fixes

ACE-Step-DAW is a pinned upstream submodule. Changes made only inside that directory cannot be shipped with this repo: they are not committed here and are discarded on fresh clones / CI.
All behavior fixes (API compatibility, DAW request normalization, routing, etc.) belong in acestep-cpp-api itself — typically under src/, docs/, test/.
Treat the submodule as read-only vendor source used only to run bun run daw:build and produce dist/.
If upstream DAW must change, that is a separate process (fork or upstream PR), not something this repo assumes.