* Charts: draw every doughnut series as a ring (#1827)
* Charts: submit doughnut hole size and first slice angle when the drag ends (#1827)
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Co-authored-by: alosslessdev <alosslessdev@users.noreply.github.com>
Add command and UI controls for chart data tables, shared chart and PDF rendering, and native XLSX persistence. Cover live values, blanks, formatting, alignment, undo/redo, bounds and table flags with regression tests.
Co-Authored-By: Codex <noreply@openai.com>
render.rs was split into render/ modules on main; the plot-kind and fixed-scale cleanups are re-applied in the new modules.
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>