fix(cfn-lang-ext): unify packageable resource properties (#9005)#9009

Merged

bnusunny merged 12 commits into

fix/9005-unify-packageable-properties

May 14, 2026

Commits on May 14, 2026

feat(cfn-lang-ext): add jmespath-aware property get/set helpers
bnusunny
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refactor(cfn-lang-ext): use jmespath for artifact property copy
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refactor(cfn-lang-ext): use jmespath for build_context artifact copy
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fix(cfn-lang-ext): derive PACKAGEABLE_RESOURCE_ARTIFACT_PROPERTIES from canonical dicts (#9005)
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test(cfn-lang-ext): regression tests for #9005 and sibling resource types
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style: apply black formatting to new tests
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chore: fix lint findings (ruff import order, mypy unreachable guard)
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fix(cfn-lang-ext): route Fn::ForEach dynamic-property consumers through jmespath
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docs(cfn-lang-ext): expand CloudFormation Language Extensions reference
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docs(cfn-lang-ext): correct validation errors table to match code
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fix(cfn-lang-ext): derive Mapping-prefix list and artifact-property set from canonical dict
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fix(cfn-lang-ext): key Mapping-name collision detection on the leaf, not the dotted path
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