lilei f840e843d3
fix: track converted upload ownership for outlines and listings (#6101)
* fix: track ownership of converted upload markdown

* fix: invalidate overwritten companions and restore branch ownership

* docs: explain legacy upload companion behavior on upgrade

* docs: shorten upload companion guidance to fit instruction budget

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Co-authored-by: Willem Jiang <willem.jiang@gmail.com>
2026-10-01 20:36:35 +08:00
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