[feature] SC-166737/improve app proxy security by restricting where token replacements can go

[HappyPaul55]

This pull request introduces improvements to API authentication and strengthens type safety in the codebase. The most significant changes are grouped below:

API Authentication Enhancements:

• Added a settingsInjection configuration to the API manifest, enabling automatic injection of the api_key into the Authorization header for all REST API requests.

Type Safety Improvements:

• Updated the placeholders object in src/constants.ts to use as const, ensuring its properties are treated as immutable and providing better type inference.

Summary by Sourcery

Enhance app proxy security by automatically injecting API keys into request headers and bolster type safety in the codebase

New Features:

• Automatically inject api_key into the Authorization header for REST API requests via settingsInjection in the manifest

Enhancements:

• Mark placeholders object as const in constants.ts to improve type safety

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Adds automatic API key injection into the Authorization header for all REST endpoints via a new settingsInjection configuration in the manifest, and strengthens type safety by marking the placeholders object as immutable.

Class diagram for updated placeholders constant

classDiagram
  class placeholders {
    +URL: string
    +API_KEY: string
    <<immutable>>
  }

Loading

File-Level Changes

Change	Details	Files
Enable automatic API key injection into request headers	Added settingsInjection block under REST API route configuration Configured api_key to populate the Authorization header Updated timeout entry to include settingsInjection	manifest.json
Strengthen type safety of placeholders	Appended as const to the placeholders object Ensured placeholder keys are immutable for better inference	src/constants.ts

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[sourcery-ai]

Hey there - I've reviewed your changes and they look great!

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[openhands-ai]

Looks like there are a few issues preventing this PR from being merged!

• GitHub Actions are failing:
  • Feature Build

If you'd like me to help, just leave a comment, like

@OpenHands please fix the failing actions on PR #75 at branch `SC-166737/improve-app-proxy-security-by-restricting-where-token-replacements-can-go`

Feel free to include any additional details that might help me get this PR into a better state.

_{^{You can manage your notification settings}}

[github-actions]

Build for commit eb53569 deployed to: https://jira-data-center-pr-75.ci.next.deskprodemo.com

URLs:
https://jira-data-center-pr-75.ci.next.deskprodemo.com/horizon-ui/app