AIT-407: preserve gateway limit semantics in CLI

[ord669]

Summary

• preserve HookMyApp gateway error codes and messages
• keep plan-limit 403 in the forbidden exit tier
• expose safe retry_after_seconds metadata for retryable 429 and 503 responses

Verification

• 145 files, 1253 tests
• CLI build

Linear: AIT-407

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📥 Commits

Reviewing files that changed from the base of the PR and between a11d5a0 and 1caddc6.

📒 Files selected for processing (3)

• src/api/__tests__/gateway.test.ts
• src/api/gateway.ts
• src/output/error.ts

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[ord669]

@codex review

[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. 🎉

Reviewed commit: 1caddc6991

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[ord669]

@codex review

Please review the current AIT-407 gateway error mapping.

[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. What shall we delve into next?

Reviewed commit: 1caddc6991

ℹ️ About Codex in GitHub

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

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