ci: enforce lint coverage and Node LTS quality gates

package.json

@@ -10,6 +10,8 @@
     "dev": "electron . --dev",
     "demo": "node scripts/serve-demo.mjs",
     "test": "node --test tests/*.test.mjs",
+    "lint": "eslint .",
+    "coverage": "c8 --check-coverage --lines 55 --functions 55 --branches 45 --statements 55 node --test tests/*.test.mjs",
     "verify": "node scripts/verify.mjs",
     "dist:win": "electron-builder --win nsis portable && node scripts/write-release-checksums.mjs && node scripts/prune-dist.mjs",
     "dist:linux": "electron-builder --linux AppImage && node scripts/prune-dist.mjs",
@@ -20,11 +22,15 @@
     "deployments:audit": "electron scripts/audit-installed-deployments.cjs",
     "release:binary": "electron scripts/publish-binary-release.cjs",
     "manifest": "node scripts/generate-source-manifest.mjs",
-    "check": "npm run verify && npm test"
+    "check": "npm run verify && npm run lint && npm test",
+    "quality": "npm run check && npm run coverage"
   },
   "devDependencies": {
+    "@eslint/js": "9.39.5",
+    "c8": "10.1.3",
     "electron": "43.2.0",
-    "electron-builder": "26.15.3"
+    "electron-builder": "26.15.3",
+    "eslint": "9.39.5"
   },
   "build": {
     "appId": "be.jenscaers.forgeflow",