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fix(ack): validate discriminated codec output branches - #229

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leoafarias merged 2 commits into
fix/2.0-nullability-contractsfrom
fix/2.0-discriminated-runtime-validation
Oct 27, 2026
Merged

leoafarias merged 2 commits into
fix/2.0-nullability-contractsfrom
fix/2.0-discriminated-runtime-validation

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@leoafarias

@leoafarias leoafarias commented Oct 26, 2026 •

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Summary

Using a discriminated union as a codec's output schema checked the outer type but could let invalid branch data through.

  • Validate the selected map branch or a matching typed branch, including required fields and custom checks.
  • Reject invalid discriminators without re-decoding values or adding extra codec calls.

Follow-up #243 preserves strict map-codec outputs after union normalization.

Validation

  • 10 regression tests passed, covering invalid fields, discriminators, typed values, and callback counts.
  • Full core suite passed. Analysis and formatting passed.
  • CI and release preflight passed on cc80392.

@leoafarias
leoafarias marked this pull request as ready for review October 26, 2026 16:17
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chatgpt-codex-connector Bot commented Oct 26, 2026 •

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Codex Review Summary

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Review Status Commit Review trigger
📝 Code Review ✅ Completed 2026-10-27T00:02:36.890086Z cc80392 New commits
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@leoafarias
leoafarias added this pull request to stack #238 October 26, 2026 16:30

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💡 Codex Review

Here are some automated review suggestions for this pull request.

Reviewed commit: cc80392f43

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

  • Open a pull request for review
  • Mark a draft as ready
  • Comment "@codex review".

If Codex has suggestions, it will comment; otherwise it will react with 👍.

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Comment thread packages/ack/lib/src/schemas/discriminated_object_schema.dart
@leoafarias
leoafarias merged commit ad5bf1b into release/2.0 Oct 27, 2026
9 of 14 checks passed
@leoafarias
leoafarias deleted the fix/2.0-discriminated-runtime-validation branch October 27, 2026 13:17
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