- Add runtime key bindings: [/] drop-off, ,/. log scaling, -/+ sensitivity
- Add --fps named flag (was positional), --rate and --channels CLI args
- Fix version string to auto-read from Cargo.toml
- Graceful error when pw-record is not found
- Add README with usage table, input mode examples, runtime controls
- Improve arg help text with ranges and clearer descriptions
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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