feat(core): container blocks — core API, multi-column migration, docs & examples - #3014

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nperez0111 wants to merge 9 commits into

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container-blocks/remove-content-containers

Commits on Aug 25, 2026

feat(core): add container block API for nested blocks
nperez0111
committed
ff19497
fix(core): handle content-bearing containers in navigation and slicing
nperez0111
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24ec0c8
fix(core): address container-block review findings
nperez0111
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f7f3623
refactor(core): dedupe container helpers for net-smaller diff
nperez0111
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9bd0dc9
fix(core): resolve an element root for fragment-rendered containers
nperez0111
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31ab641
feat(xl-multi-column): migrate columns onto the container block API
nperez0111
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81d5b84
fix(xl-multi-column): handle dragged direct children in edge drops
nperez0111
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f8602bc
docs: add container block docs and examples
nperez0111
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72903e9
refactor(core): remove content-container support (content + children)
nperez0111
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7ec114f