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Summary

This PR ensures that 429 Too Many Requests errors without explicit "retry-in" metadata are still retried. By defaulting to a 5-second delay, we improve system resilience against transient rate limits and prevent unnecessary request failures.

Details

Fallback Retry: Implements a 5-second cooldown via RetryableQuotaError when specific timing headers are missing. Aligns manual 429 handling with the existing DEFAULT_RETRY_OPTIONS duration.

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Pre-Merge Checklist

  • Updated relevant documentation and README (if needed)
  • Added/updated tests (if needed)
  • Noted breaking changes (if any)
  • Validated on required platforms/methods:
    • MacOS
      • npm run
      • npx
      • Docker
      • Podman
      • Seatbelt
    • Windows
      • npm run
      • npx
      • Docker
    • Linux
      • npm run
      • npx
      • Docker

@sehoon38 sehoon38 requested a review from a team as a code owner December 18, 2025 22:28
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Summary of Changes

Hello @sehoon38, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly improves the system's resilience against transient rate limiting by ensuring that all 429 'Too Many Requests' errors are treated as retryable. It introduces a default 5-second delay for 429 errors that do not specify a 'retry-in' period, preventing unnecessary request failures and enhancing the robustness of Google API interactions.

Highlights

  • Enhanced 429 Error Handling: Implemented a fallback mechanism in classifyGoogleError to treat all 429 'Too Many Requests' errors as RetryableQuotaError.
  • Default Retry Delay: When a 429 error lacks explicit 'retry-in' metadata, it will now default to a 5-second retry delay, aligning with DEFAULT_RETRY_OPTIONS.
  • New Test Cases: Added two new test cases to googleQuotaErrors.test.ts to validate the 5-second fallback retry logic for generic 429 errors.

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Code Review

This pull request introduces a fallback mechanism to retry all 429 'Too Many Requests' errors with a default 5-second delay, improving resilience for transient rate limits. While this is a good improvement, the current implementation optimistically assumes all unclassified 429 errors are transient. I've identified a potential issue where this could lead to excessive retries for non-transient errors (like daily quota limits) that aren't reported with specific metadata. My review includes a suggestion to make the fallback logic more robust by checking for keywords that indicate a terminal error before deciding to retry.

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github-actions bot commented Dec 18, 2025

Size Change: +675 B (0%)

Total Size: 22 MB

ℹ️ View Unchanged
Filename Size Change
./bundle/gemini.js 22 MB +675 B (0%)
./bundle/sandbox-macos-permissive-closed.sb 1.03 kB 0 B
./bundle/sandbox-macos-permissive-open.sb 890 B 0 B
./bundle/sandbox-macos-permissive-proxied.sb 1.31 kB 0 B
./bundle/sandbox-macos-restrictive-closed.sb 3.29 kB 0 B
./bundle/sandbox-macos-restrictive-open.sb 3.36 kB 0 B
./bundle/sandbox-macos-restrictive-proxied.sb 3.56 kB 0 B

compressed-size-action

@sehoon38 sehoon38 enabled auto-merge December 18, 2025 22:57
@sehoon38 sehoon38 added this pull request to the merge queue Dec 18, 2025
Merged via the queue into main with commit 9e6914d Dec 18, 2025
20 checks passed
@sehoon38 sehoon38 deleted the sehoon/error_handling branch December 18, 2025 23:41
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/patch

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Patch workflow(s) dispatched successfully!

📋 Details:

  • Channels: stable,preview
  • Commit: 9e6914d641cb235408a68994c7077175d81f4008
  • Workflows Created: 2

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🚀 Patch PR Created!

📋 Patch Details:

📝 Next Steps:

  1. Review and approve the hotfix PR: #15294
  2. Once merged, the patch release will automatically trigger
  3. You'll receive updates here when the release completes

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🚀 Patch PR Created!

📋 Patch Details:

📝 Next Steps:

  1. Review and approve the hotfix PR: #15295
  2. Once merged, the patch release will automatically trigger
  3. You'll receive updates here when the release completes

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🚀 Patch Release Started!

📋 Release Details:

  • Environment: prod
  • Channel: stable → publishing to npm tag latest
  • Version: v0.21.2
  • Hotfix PR: Merged ✅
  • Release Branch: release/v0.21.2-pr-15288

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🚀 Patch Release Started!

📋 Release Details:

  • Environment: prod
  • Channel: preview → publishing to npm tag preview
  • Version: v0.22.0-preview.2
  • Hotfix PR: Merged ✅
  • Release Branch: release/v0.22.0-preview.2-pr-15288

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Patch Release Failed!

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  • Version: 0.22.0-preview.3
  • Channel: preview
  • Error: The patch release workflow encountered an error

🔍 Next Steps:

  1. Check the workflow logs for detailed error information
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  3. You may need to retry the patch once the issue is resolved

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Patch Release Complete!

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  • Version: 0.21.3
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