Upgrade frontend to Node 26, React 19, Vite 8, Apollo Client 4 and ESLint 10

frontend/eslint.config.js

@@ -0,0 +1,54 @@
+import js from "@eslint/js";
+import globals from "globals";
+import tseslint from "typescript-eslint";
+import reactHooks from "eslint-plugin-react-hooks";
+import reactRefresh from "eslint-plugin-react-refresh";
+import importPlugin from "eslint-plugin-import-x";
+import prettier from "eslint-plugin-prettier/recommended";
+import { defineConfig, globalIgnores } from "eslint/config";
+
+export default defineConfig([
+  globalIgnores(["dist", "src/types.ts"]),
+  {
+    files: ["**/*.{ts,tsx}"],
+    extends: [
+      js.configs.recommended,
+      tseslint.configs.recommended,
+      reactHooks.configs.flat.recommended,
+      reactRefresh.configs.vite,
+      prettier,
+    ],
+    plugins: {
+      "import-x": importPlugin,
+    },
+    languageOptions: {
+      globals: globals.browser,
+    },
+    settings: {
+      react: {
+        version: "detect",
+      },
+    },
+    rules: {
+      "no-console": "off",
+      "prefer-destructuring": "off",
+      "import-x/no-extraneous-dependencies": [
+        "error",
+        {
+          devDependencies: ["**/*.test.ts", "**/*.spec.ts", "**/__tests__/**"],
+        },
+      ],
+      "import-x/prefer-default-export": "off",
+      "import-x/order": [
+        "error",
+        {
+          groups: ["builtin", "external", "internal", ["parent", "sibling", "index"]],
+          "newlines-between": "always",
+          alphabetize: { order: "asc" },
+        },
+      ],
+      "react-hooks/exhaustive-deps": "error",
+      "react-hooks/rules-of-hooks": "error",
+    },
+  },
+]);