chore(frontend): remove ESLint in favor of Biome

[kyscott18]

Delete unused ESLint. CI was already using Biome to check frontend/

Greptile Summary

The PR removes the unused frontend ESLint setup now that CI performs linting with Biome.

• Deletes the ESLint configuration and frontend lint script.
• Removes ESLint dependencies and updates the pnpm lockfile.
• Disables the obsolete ESLint workspace setting.

Confidence Score: 5/5

The PR appears safe to merge.

No blocking failure remains.

Important Files Changed

Filename	Overview
frontend/package.json	Removes the unused ESLint script and development dependencies while retaining the existing build and type-check commands.
frontend/pnpm-lock.yaml	Removes the ESLint dependency graph and remains consistent with the updated frontend manifest.
frontend/eslint.config.mjs	Deletes the obsolete Next.js ESLint configuration.
.vscode/settings.json	Removes the ESLint enablement setting while retaining Biome as the formatter.

_{Reviews (3): Last reviewed commit: "chore(frontend): remove ESLint in favor ..." | Re-trigger Greptile}

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Project	Deployment	Actions	Updated (UTC)
monode	Ready	Preview	Aug 6, 2026 1:20pm