feat(api): add response transformation hooks

[HAYDEN-OAI]

Summary

Adds response transformation hooks while preserving existing command output and request behavior.

Changes

• Expose operation, response-kind, and cancellation context to response transformations.
• Preserve explicit output formats, JSON transforms, pagination, and streaming behavior.

[github-actions]

Castiron custom code

Mixed files: 5 → 5

1 newly customized · 1 customizations removed · 0 existing customizations changed · 3 generated baselines changed

Compared 0169bff050ff → 75842b61b626. Generated baselines verified.

File	Result	Current custom patch
pkg/cmd/adminorganizationcertificate.go	Generated baseline changed	+5 / −0
pkg/cmd/cmd.go	Generated baseline changed	None
pkg/cmd/image.go	Generated baseline changed	+1 / −1

3 existing customizations unchanged

• scripts/castiron/README.md
• scripts/castiron/custom_code_report.py
• scripts/castiron/test_custom_code_report.py

A changed generated baseline means this report cannot reliably identify which handwritten lines changed.

Inspect the custom-code diff

Download the exact patch produced by this run (requires repository access):

gh run download 35628439148 --repo openai/openai-cli \
  --name castiron-custom-code-35628439148-1 --dir /tmp/castiron-custom-code-35628439148-1
git apply --stat /tmp/castiron-custom-code-35628439148-1/custom-code.patch
cat /tmp/castiron-custom-code-35628439148-1/custom-code.patch

Or reproduce it from an SDK checkout containing the vendored reporter:

git fetch --no-tags origin 0169bff050ff9c05c4609b669c06709306d464fa 75842b61b6269bb13e0e06cc511abf64895b6fe3
python3 scripts/castiron/custom_code_report.py report \
  --base 0169bff050ff9c05c4609b669c06709306d464fa \
  --head 75842b61b6269bb13e0e06cc511abf64895b6fe3 --fetch --require-head-hash --public \
  --out /tmp/castiron-custom-code-75842b61b626
cat /tmp/castiron-custom-code-75842b61b626/custom-code.patch

This is the current full custom patch for mixed files, not an attribution of only the handwritten lines changed by this PR.

Full report and patch

[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-21T16:55:40.333264Z	75842b6	Draft marked ready
🔒 Security Review	✅ Completed 2026-09-21T16:55:16.105150Z	75842b6	Draft marked ready

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[markstuart-oai]

Reviewed 75842b6. The runtime move establishes a coherent one-way ownership boundary, preserves the generated command bridge and existing request behavior, and centralizes lazy response transformation across direct output, the pager and the explorer. The identity selector preserves current output; explicit presentation choices bypass default transformations. No actionable correctness or structural findings.

Validation: inspected all changed paths, rename equivalence, relocated tests, root/mTLS initialization, iterator error and cancellation handling, and passing exact-head hosted test/lint/build/CodeQL and baseline checks. No repository tests, generation or rollback were independently executed. Coordinated activation requirements remain as documented.

[saioai]

follows the new architecture the cli is targeting