New branch name for #3954

[ivarne]

Just a duplication of #3954 to make the preview release work

Summary by CodeRabbit

Release Notes

• New Features

  • Authentication context now supports dynamic keys alongside predefined options, enabling more flexible validation scenarios.

• Improvements

  • Error messages for authentication context operations have been enhanced to provide clearer feedback, including a list of available keys when unknown properties are referenced.

[coderabbitai]

📝 Walkthrough

Walkthrough

The changes transition auth context validation from static, fixed permission keys to dynamic key validation. The schema definition is relaxed to accept arbitrary strings alongside predefined permissions. The implementation refactored to check keys dynamically via buildAuthContext with enhanced error messaging. Test fixtures added to validate new behavior.

Changes

Cohort / File(s)	Summary
Schema Definition schemas/json/layout/expression.schema.v1.json	Updated func-authContext definition to use anyOf, allowing either predefined permission enum values or arbitrary strings, relaxing strict validation.
Expression Implementation src/features/expressions/expression-functions.ts	Refactored authContext function from static key validation to dynamic validation via buildAuthContext. Removed IAuthContext import and added detailed error handling for null keys and unknown auth context properties.
Test Fixtures src/features/expressions/shared-tests/functions/authContext/*	Added error-unknown-action.json test fixture for unknown auth context scenarios. Updated read-sign.json with reject permission field in permissions.actions.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

🚥 Pre-merge checks | ✅ 1 | ❌ 2

❌ Failed checks (2 warnings)

Check name	Status	Explanation	Resolution
Title check	⚠️ Warning	The title 'New branch name for #3954' does not clearly describe the actual changes; it only references creating a duplicate of another PR without explaining what functionality was modified.	Use a descriptive title that summarizes the main change, such as 'Allow dynamic auth context keys in expressions' or 'Support arbitrary action checking in authContext expressions'.
Description check	⚠️ Warning	The description is incomplete; it lacks detail about the actual changes, only mentions it's a duplication without explaining what the feature does. Most verification sections are unchecked.	Expand the description to explain the feature changes (dynamic auth context validation, error handling), and check appropriate verification boxes for testing and documentation status.

✅ Passed checks (1 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch feat/authContextLimitations

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[ivarne]

/release

[ivarne]

/publish

[github-actions]

PR release:

• <link rel="stylesheet" type="text/css" href="https://altinncdn.no/toolkits/altinn-app-frontend/4.25.0-pr.3783.authContextLimitations.9502fcd7/altinn-app-frontend.css">
• <script src="https://altinncdn.no/toolkits/altinn-app-frontend/4.25.0-pr.3783.authContextLimitations.9502fcd7/altinn-app-frontend.js"></script>

⚙️ Building...
❌ Failed: https://github.com/Altinn/app-frontend-react/actions/runs/21663796194