chore(heureka): enable no-unused-vars rule

[taymoor89]

Summary

This PR enables @typescript-eslint/no-unused-vars eslint rule which will not allow us to leave unused variables/imports that are not intentional.

Changes Made

• Enabled @typescript-eslint/no-unused-vars rule
• Ignored routeTree.gen.ts file
• Ignored this rule for the lines where the intention is clear about why we're doing it.

Related Issues

• [Task](Heureka): ESLint should be properly configured in the app #1115

Screenshots (if applicable)

Testing Instructions

1. pnpm i
2. pnpm TASK

Checklist

• I have performed a self-review of my code.
• I have commented my code, particularly in hard-to-understand areas.
• I have added tests that prove my fix is effective or that my feature works.
• New and existing unit tests pass locally with my changes.
• I have made corresponding changes to the documentation (if applicable).
• My changes generate no new warnings or errors.
• I have created a changeset for my changes.

PR Manifesto

Review the PR Manifesto for best practises.

[changeset-bot]

⚠️ No Changeset found

Latest commit: b66fb4b

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[github-actions]

PR Preview Action v1.6.2
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2025-10-10 14:13 UTC

[TilmanHaupt]

Nice!

[hodanoori]

lgtm