feat: Add archive marking and detection plus Reader into builder options#1813

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gpeacock wants to merge 14 commits intomainfrom

gpeacock/archive_handling

Commits on Jan 28, 2026

When adding archived ingredients, use the first ingredient we in the active manifest - it doesn't have to be the parent ingrdient anymore.
gpeacock
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Commits on Feb 3, 2026

Merge branch 'main' into gpeacock/first_ingredient
gpeacock
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Implement three-way archive handling for Reader to Builder conversion
gpeacock
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Fix: Remove broken restore_builder_from_archive, use manifest_into_builder for both cases
gpeacock
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Correctly implement Reader to parent ingredient conversion for regular manifests
gpeacock
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Rename ArchiveType to ManifestType for clarity
gpeacock
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Add backward compatibility detection for older builder archives
gpeacock
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Improve manifest type detection with backward compatibility
gpeacock
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Fix illegal double binding in builder archives
gpeacock
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