Revert "Support async createClientConfig for per-request client configuration"

[Copilot]

Reverts #3445, removing async support from CreateClientConfig. The return type reverts from Config<...> | Promise<Config<...>> back to Config<...>.

Changes

• Snapshot updates: Updated sse-tanstack-react-query snapshots to reflect the synchronous-only CreateClientConfig return type

---

🔒 GitHub Advanced Security automatically protects Copilot coding agent pull requests. You can protect all pull requests by enabling Advanced Security for your repositories. Learn more about Advanced Security.

[bolt-new-by-stackblitz]

Run & review this pull request in StackBlitz Codeflow.

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
hey-api-docs	Ready	Preview, Comment	Mar 3, 2026 2:32am

[changeset-bot]

⚠️ No Changeset found

Latest commit: 0b9e4b6

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
⚠️ Please upload report for BASE (revert-3445-copilot/support-async-create-client-config@83bfae0). Learn more about missing BASE report.

Additional details and impacted files

@@                                    Coverage Diff                                    @@
##             revert-3445-copilot/support-async-create-client-config    #3480   +/-   ##
=========================================================================================
  Coverage                                                          ?   40.30%           
=========================================================================================
  Files                                                             ?      483           
  Lines                                                             ?    17567           
  Branches                                                          ?     5328           
=========================================================================================
  Hits                                                              ?     7080           
  Misses                                                            ?     8431           
  Partials                                                          ?     2056           

Flag	Coverage Δ
unittests	40.30% <ø> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[pullfrog]

Error

agent completed without reporting progress

  ^{｜ Rerun failed job ➔ ｜ View workflow run ｜ Triggered by Pullfrog ｜ pullfrog.com ｜ 𝕏}