Update Yaak instructions to use OAuth 2.0

[gschier]

Hey! I just saw Prisma post on X about using Yaak with the Prisma Postgres Management API.

I noticed the Yaak instructions, however, used a Bearer token while the Postman and Insomnia instructions used OAuth 2.0.

Since Yaak also supports OAuth 2.0, I figured I'd update the docs to match, so here's the edit!

I also gave it a test to ensure everything worked:

Summary by CodeRabbit

• Documentation
  • Replaced service-token guidance with a full OAuth 2.0 application workflow and registration steps.
  • Added detailed OAuth configuration and UI steps (authorization/token URLs, grant type, client ID/secret, redirect handling, token retrieval).
  • Updated Yaak client description, usage notes, and example payloads/region names to reflect the OAuth-based flow.

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[coderabbitai]

Walkthrough

Updated Yaak client docs: replaced service-token header workflow with an OAuth 2.0 application registration and browser-based token retrieval flow, revised Yaak description and example payloads/regions to reflect OAuth usage.

Changes

Cohort / File(s)	Summary
Yaak docs (single file) content/800-guides/450-management-api-api-clients.mdx	Rewrote Yaak description to emphasize offline/Git usage; replaced service token workflow with OAuth 2.0 app registration (Client ID/Secret, redirect URI); moved auth config from header-based token to Auth tab OAuth fields (Grant Type, Auth URL, Token URL, Client ID/Secret, Redirect, Scope); added browser Get Token flow and updated example names/regions; removed prior service-token notes.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Update Yaak instructions to use OAuth 2.0' directly and clearly summarizes the main change—migrating the Yaak API client documentation from service token authentication to OAuth 2.0, which is the primary focus of all modifications in the changeset.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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[AmanVarshney01]

Looks good! Thanks @gschier 😃