ci: browser compatibility linting (#19132)

web/package.json

@@ -59,6 +59,7 @@
     "@eslint/eslintrc": "^3.1.0",
     "@eslint/js": "^9.18.0",
     "@faker-js/faker": "^9.3.0",
+    "@koddsson/eslint-plugin-tscompat": "^0.2.0",
     "@socket.io/component-emitter": "^3.1.0",
     "@sveltejs/adapter-static": "^3.0.8",
     "@sveltejs/enhanced-img": "^0.6.0",
@@ -80,6 +81,7 @@
     "eslint": "^9.18.0",
     "eslint-config-prettier": "^10.0.0",
     "eslint-p": "^0.23.0",
+    "eslint-plugin-compat": "^6.0.2",
     "eslint-plugin-svelte": "^3.9.0",
     "eslint-plugin-unicorn": "^59.0.0",
     "factory.ts": "^1.4.1",
@@ -91,6 +93,7 @@
     "rollup-plugin-visualizer": "^6.0.0",
     "svelte": "^5.25.3",
     "svelte-check": "^4.1.5",
+    "svelte-eslint-parser": "^1.2.0",
     "tailwindcss": "^4.1.7",
     "tslib": "^2.6.2",
     "typescript": "^5.7.3",