M2 exposed and documented chart properties
Objective
Expose the chosen Vega-Lite and chart-library properties through Dataface config and document them clearly enough for authoring, testing, and future automation.
Deliverables
- [ ] Define the chosen property surface that must be exposed through Dataface.
- [ ] Ensure those properties are configurable through the chart-library authoring path.
- [ ] Document the supported surface clearly enough for authoring, testing, and future automation.