[Snyk] Security upgrade @angular-devkit/build-angular from 17.3.17 to 18.2.20

[Dargon789]

Snyk has created this PR to fix 5 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• frontend/package.json
• frontend/package-lock.json

Vulnerabilities that will be fixed with an upgrade:

	Issue
	Improper Check for Unusual or Exceptional Conditions SNYK-JS-HTTPPROXYMIDDLEWARE-9691389
	Symlink Attack SNYK-JS-TMP-11501554
	Origin Validation Error SNYK-JS-WEBPACKDEVSERVER-10300775
	Exposed Dangerous Method or Function SNYK-JS-WEBPACKDEVSERVER-10300777
	Missing Release of Resource after Effective Lifetime SNYK-JS-INFLIGHT-6095116

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[gemini-code-assist]

Summary of Changes

Hello @Dargon789, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request aims to enhance the security posture of the frontend application by updating the core Angular development dependency, @angular-devkit/build-angular. The upgrade to version 18.2.20 is critical for mitigating several identified vulnerabilities, thereby ensuring the project remains secure and stable against known threats.

Highlights

• Dependency Upgrade: The @angular-devkit/build-angular dependency has been upgraded from version 17.3.17 to 18.2.20.
• Vulnerability Fixes: This upgrade addresses 5 identified security vulnerabilities, including medium and high severity issues related to http-proxy-middleware, tmp, webpack-dev-server, and inflight.
• Automated Security PR: This pull request was automatically generated by Snyk to proactively fix security concerns in the project's npm dependencies.

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[snyk-io]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scanner	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues

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[gemini-code-assist]

Code Review

This pull request from Snyk upgrades @angular-devkit/build-angular to a new major version (v18) to fix security vulnerabilities. However, this introduces a critical incompatibility, as most other Angular packages in your project are on version 17. Angular requires all its packages to be on the same major version. Furthermore, I've noticed that some other @angular packages like @angular/cli and @angular/common are on even higher, mismatched versions (v20 and v19 respectively). This suggests the project's dependencies are in an inconsistent state. My review comment on package.json details the immediate issue from this PR and recommends a holistic approach to managing your Angular dependencies to ensure a stable build.

[gemini-code-assist]

This upgrade to a new major version (v18) of @angular-devkit/build-angular creates a version mismatch with the rest of the Angular framework packages (e.g., @angular/core), which are on v17.

Angular packages must be aligned on the same major version to avoid build failures and runtime errors. Mixing major versions is unsupported.

Recommendation:
Either perform a full migration of all @angular/* packages to v18 (using ng update), or reject this change and find an alternative fix for the vulnerabilities that is compatible with Angular 17 (e.g., using overrides in package.json). Merging this change as-is will likely break your application.