migrate eslint

package.json

@@ -21,7 +21,7 @@
     "osc": "cd packages/osc && npm run server",
     "jsdoc": "jsdoc packages/ -c jsdoc/jsdoc.config.json",
     "jsdoc-json": "jsdoc packages/ --template ./node_modules/jsdoc-json --destination doc.json -c jsdoc/jsdoc.config.json",
-    "lint": "eslint . --ext mjs,js --quiet",
+    "lint": "eslint . --quiet",
     "codeformat": "prettier --write .",
     "format-check": "prettier --check .",
     "report-undocumented": "npm run jsdoc-json && node jsdoc/undocumented.mjs > undocumented.json",
@@ -55,6 +55,9 @@
     "@strudel/xen": "workspace:*"
   },
   "devDependencies": {
+    "@eslint/compat": "^1.2.5",
+    "@eslint/eslintrc": "^3.2.0",
+    "@eslint/js": "^9.19.0",
     "@tauri-apps/cli": "^2.2.5",
     "@vitest/ui": "^3.0.4",
     "acorn": "^8.14.0",
@@ -62,6 +65,7 @@
     "eslint": "^9.18.0",
     "eslint-plugin-import": "^2.31.0",
     "events": "^3.3.0",
+    "globals": "^15.14.0",
     "jsdoc": "^4.0.4",
     "jsdoc-json": "^2.0.2",
     "lerna": "^8.1.9",