Context
When --duration is set, PIANO_STREAM_FRAMES=1 is automatically injected so frame data is written to disk as it completes (surviving forced termination). This is documented in docs/standards/ux.md but not in the --duration flag's help text.
Proposal
Add a note to the --duration clap help string mentioning that it auto-enables frame streaming.
Files
src/main.rs (--duration flag definition)
Context
When --duration is set, PIANO_STREAM_FRAMES=1 is automatically injected so frame data is written to disk as it completes (surviving forced termination). This is documented in docs/standards/ux.md but not in the --duration flag's help text.
Proposal
Add a note to the --duration clap help string mentioning that it auto-enables frame streaming.
Files
src/main.rs(--duration flag definition)