Add missing devDependencies for CI lint workflow

Add knip, eslint, attw, publint and related dependencies that were
missing after the monorepo restructuring. These are required by the
lint-js-and-ruby.yml workflow.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: justin808

package.json

@@ -13,27 +13,48 @@
     "doc": "docs"
   },
   "devDependencies": {
+    "@arethetypeswrong/cli": "^0.17.3",
     "@babel/core": "^7.20.12",
+    "@babel/eslint-parser": "^7.27.0",
     "@babel/preset-env": "^7.20.2",
     "@babel/preset-react": "^7.26.3",
     "@babel/preset-typescript": "^7.27.1",
+    "@eslint/compat": "^1.2.8",
     "@jest/globals": "^29.7.0",
     "@swc/core": "^1.15.0",
+    "@testing-library/dom": "^10.4.0",
+    "@testing-library/jest-dom": "^6.6.3",
+    "@testing-library/react": "^16.2.0",
     "@tsconfig/node14": "^14.1.2",
     "@types/jest": "^29.5.14",
     "@types/node": "^20.17.16",
     "@types/react": "^18.3.18",
     "@types/react-dom": "^18.3.5",
     "@types/turbolinks": "^5.2.2",
+    "concurrently": "^9.0.1",
     "create-react-class": "^15.7.0",
+    "eslint": "^9.24.0",
+    "eslint-config-prettier": "^10.1.1",
+    "eslint-config-shakacode": "^19.0.0",
+    "eslint-import-resolver-alias": "^1.1.2",
+    "eslint-import-resolver-typescript": "^4.3.2",
+    "eslint-plugin-import": "^2.31.0",
+    "eslint-plugin-jest": "^28.11.0",
+    "eslint-plugin-jsx-a11y": "^6.10.2",
+    "eslint-plugin-prettier": "^5.2.6",
+    "eslint-plugin-react": "^7.37.5",
+    "eslint-plugin-react-hooks": "^5.2.0",
+    "eslint-plugin-testing-library": "^7.1.1",
     "jest": "^29.7.0",
     "jest-environment-jsdom": "^29.7.0",
     "jest-fetch-mock": "^3.0.3",
     "jest-junit": "^16.0.0",
     "jsdom": "^22.1.0",
+    "knip": "^5.46.0",
     "nps": "^5.9.3",
     "prettier": "^3.5.2",
     "prop-types": "^15.8.1",
+    "publint": "^0.3.4",
     "react": "18.0.0",
     "react-dom": "18.0.0",
     "react-on-rails-rsc": "19.0.2",
@@ -42,7 +63,8 @@
     "stylelint-config-standard-scss": "^13.1.0",
     "swc-loader": "^0.2.6",
     "ts-jest": "^29.2.5",
-    "typescript": "^5.8.3"
+    "typescript": "^5.8.3",
+    "typescript-eslint": "^8.29.1"
   },
   "scripts": {
     "test": "yarn workspaces run test",
@@ -57,6 +79,10 @@
     "yalc:publish": "yarn workspaces run yalc:publish",
     "yalc": "yarn workspaces run yalc",
     "publish": "yarn workspaces run publish",
+    "knip": "knip",
+    "eslint": "eslint",
+    "attw": "attw",
+    "publint": "publint",
     "postinstall": "test -f .lefthook.yml && test -d .git && command -v bundle >/dev/null 2>&1 && bundle exec lefthook install || true"
   },
   "repository": {