Function generateMotif

generateMotif(opts: MotifOptions): MotifCell
Generate a short seed motif over bars.

The melody follows the requested contour in diatonic steps from the tonic, snapped to the key. When a chord is supplied, notes landing on bar downbeats are pulled to the nearest chord tone. An optional jitter adds balanced per-note variation without biasing the contour; it is off by default, so the contour is reproduced exactly. Output is deterministic for a given seed.
Parameters
- opts: MotifOptions
  Key, optional chord, length, contour, jitter, and seed.
Returns MotifCell
The generated motif cell.
Example
```
import { generateMotif, majorKey } from '@libraz/libcantus';
const cell = generateMotif({ key: majorKey(0), bars: 2, contour: 'arch' });
// cell.notes is a deterministic MotifCell (seed defaults to 0)
```
- Defined in generate/motif/index.ts:219