refactor: extract signals filter builder, add ESLint 10 config, fix low-hanging issues

web/eslint.config.mjs

@@ -0,0 +1,62 @@
+import js from '@eslint/js';
+import importX from 'eslint-plugin-import-x';
+import reactX from 'eslint-plugin-react-x';
+import globals from 'globals';
+import tseslint from 'typescript-eslint';
+
+export default tseslint.config(
+  {
+    ignores: ['**/node_modules', '**/.next', '**/dist', '**/out'],
+  },
+  {
+    files: ['**/*.{js,mjs,cjs,ts,mts,cts,jsx,tsx}'],
+    languageOptions: { globals: { ...globals.browser, ...globals.node } },
+  },
+  js.configs.recommended,
+  tseslint.configs.recommended,
+  reactX.configs.recommended,
+  {
+    plugins: {
+      'import-x': importX,
+    },
+    rules: {
+      '@typescript-eslint/consistent-type-imports': [
+        'error',
+        { prefer: 'type-imports', fixStyle: 'inline-type-imports' },
+      ],
+      '@typescript-eslint/no-explicit-any': 'error',
+      '@typescript-eslint/no-non-null-assertion': 'error',
+      '@typescript-eslint/ban-ts-comment': [
+        'error',
+        {
+          'ts-expect-error': 'allow-with-description',
+          'ts-ignore': 'allow-with-description',
+          'ts-nocheck': true,
+          'ts-check': true,
+        },
+      ],
+      'react-x/exhaustive-deps': 'error',
+      'react-x/use-state': 'off',
+      'react-x/no-context-provider': 'off',
+      'react-x/no-array-index-key': 'off',
+      'react-x/no-use-context': 'off',
+      'import-x/no-duplicates': 'error',
+      'import-x/order': [
+        'warn',
+        {
+          groups: [
+            'builtin',
+            'external',
+            'internal',
+            ['parent', 'sibling'],
+            'index',
+            'object',
+            'type',
+          ],
+          'newlines-between': 'always',
+          alphabetize: { order: 'asc', caseInsensitive: true },
+        },
+      ],
+    },
+  },
+);