chore: replace eslint with oxlint

Swap the Next apps' eslint/eslint-config-next setup for oxlint, and add oxlint at the repo root. oxlint is the oxc linter (https://oxc.rs/docs/guide/usage/linter): one binary, no config needed, and it lints the whole tree from the root.

Author: Adebesin-Cell

AGENTS.md

@@ -14,7 +14,7 @@ The design system source is `examples/monorepo/packages/ds/src` — tokens in `t
 
 - Examples are **standalone**: pinned dependency versions, no `workspace:*` (except the `monorepo` example, which is itself a workspace).
 - Format with **oxfmt** (`pnpm format`), not Prettier. Config in `.oxfmtrc.json` — single quotes, no semicolons.
-- Lint the Next apps with `pnpm lint` (eslint-config-next).
+- Lint the Next apps with `pnpm lint` (oxlint).
 - Do not edit generated output: `styled-system/`, `dist/`, `.next/`.
 
 ## Commands

CONTRIBUTING.md

@@ -37,7 +37,7 @@ The shadcn design system lives in `examples/monorepo/packages/ds` and is publish
 
 - [pnpm](https://pnpm.io/) for packages.
 - [oxfmt](https://oxc.rs) for formatting (`.oxfmtrc.json` — single quotes, no semicolons).
-- [ESLint](https://eslint.org/) (`eslint-config-next`) for the Next apps.
+- [oxlint](https://oxc.rs/docs/guide/usage/linter) for linting the Next apps.
 
 ## Commands
 

examples/monorepo/apps/web/eslint.config.mjs

@@ -9,7 +9,7 @@
     "prebuild": "panda build",
     "build": "next build",
     "start": "next start",
-    "lint": "eslint ."
+    "lint": "oxlint"
   },
   "dependencies": {
     "next": "16.3.0",
@@ -24,8 +24,7 @@
     "@types/node": "24.10.1",
     "@types/react": "19.2.7",
     "@types/react-dom": "19.2.3",
-    "eslint": "^9",
-    "eslint-config-next": "16.3.0",
+    "oxlint": "^1.78.0",
     "typescript": "5.9.3"
   }
 }