add credentials with single click

[taylordowns2000]

100% cursor. If it's fine, I'll ask it to update the tests. Wanted to see your reaction first. Single shot, so end-to-end was less than 5 min. (Very small issue, already fairly technical.)

https://www.loom.com/share/28d3b41a9506412d937f9ef251a65163

closes #3034

AI Usage

Please disclose how you've used AI in this work (it's cool, we just want to know!):

• Code generation (copilot but not intellisense)
• Learning or fact checking
• Strategy / design
• Optimisation / refactoring
• Translation / spellchecking / doc gen
• Other
• I have not used AI

You can read more details in our Responsible AI Policy

Pre-submission checklist

• I have performed a self-review of my code.
• I have implemented and tested all related authorization policies. (e.g., :owner, :admin, :editor, :viewer)
• I have updated the changelog.
• I have ticked a box in "AI usage" in this PR

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.47%. Comparing base (338919e) to head (ec30d37).
Report is 6 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3127      +/-   ##
==========================================
- Coverage   91.48%   91.47%   -0.02%     
==========================================
  Files         357      357              
  Lines       13377    13368       -9     
==========================================
- Hits        12238    12228      -10     
- Misses       1139     1140       +1     

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[elias-ba]

This is looking good @taylordowns2000 💯