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Mexandskylar taylor-barrick f34f4121c8 Format: retain imported chart parts through native saves (#851)
* M2.1: preserve chart parts through native saves

Serialize retained chart relationships and payloads in native files.
Add native and headless file-command round-trip regressions.

Contribution on behalf of @MMexicann.

* Format: bound opaque chart parts as native ZIP entries

Address maintainer feedback on the existing PR. Preserve upstream work and document tested scope and validation limits.

* Model: track transient native chart part entries

Address maintainer feedback on the existing PR. Preserve upstream work and document tested scope and validation limits.

* PPTX: initialize native chart entry metadata

Address maintainer feedback on the existing PR. Preserve upstream work and document tested scope and validation limits.

* Engine: adapt chart native roundtrip fixtures

Address maintainer feedback on the existing PR. Preserve upstream work and document tested scope and validation limits.

* Docs: describe bounded chart sidecars and validation

Address maintainer feedback on the existing PR. Preserve upstream work and document tested scope and validation limits.

* Roadmap: record bounded chart persistence evidence

Address maintainer feedback on the existing PR. Preserve upstream work and document tested scope and validation limits.

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Co-authored-by: skylar taylor-barrick <hi@skylar.cc>
2026-10-19 11:44:16 -06:00
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2026-10-14 14:31:01 -04:00
2026-10-17 15:52:54 +02:00