[leoafarias]

Summary

Custom JSON Schema dialects could treat disabled keywords as validation rules. Export could also change annotation data or lose constraints.

• Respect the dialect's active vocabularies during import and export.
• Preserve annotations, references, null rules, and explicit format checks without activating unrelated keywords.
• Accept identical supplied standard schemas without weakening duplicate-ID checks.

Follow-up #239 discovers selected custom dialects bundled under active schema keywords.

Validation

• 29 regressions added; full core tests and 78 JSON Schema conformance checks passed.
• Browser contract suite: 69 passed, two native-only skips. Analysis and formatting passed.
• CI and release preflight passed on 9f2c9a5.

[chatgpt-codex-connector]

Codex Review Summary

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-10-27T00:02:25.836779Z	9f2c9a5	New commits

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[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: 5d55d341b4

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