Files
wordcraft/crates/engine
Claude 90898f454b Gap 19: ODT charts keep their look; frame outlines; default header height
Charts: on save, WordCraft wrote each chart anew from its chart model
(type, data, title, legend, labels), losing the look it doesn't model:
fonts and sizes, axis and grid lines.
- The chart object as read is now kept with the chart (`Chart::source`
  in the flow model, `Graphic::source` in the document).
- `chart::redraw` keeps it when the chart is drawn again on open or
  resize.
- The ODT writer writes it back whole while it still reads as the same
  chart. An edited chart is written from the model, as before; DOCX
  still writes charts from their model.
- The chart documents now round-trip pixel-identical (chartcol: 5,917
  pixels to 0).

LibreOffice's serif business letter (4,223 pixels to 116):
- A text frame outlined by a drawn stroke (`draw:stroke`, a 0 width a
  hairline) and no `fo:border` lost its outline. It is now the frame's
  line; an explicit "none" border still wins.
- A header or footer whose style states no height, or that has no style,
  was 0 tall. LibreOffice makes it 0.5 cm (measured by varying the
  height), so the text had moved up 1.5 pt.

Across the corpus the round-trip difference falls from 60k to 47k
pixels, and 41 of 125 documents round-trip pixel-identical. No document
gets worse.

gaps.md row 19 and the ROADMAP log are updated.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GBVQLyDnrG8Tn1yDQcUabC
2026-11-02 17:11:20 +00:00
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