chore(lint): modernize ESLint configuration and transition to Flat Config

Author: devsebastian44

.eslintrc.json

@@ -54,8 +54,16 @@ export default [
       '@typescript-eslint': typescript,
     },
     rules: {
-      '@typescript-eslint/no-unused-vars': 'error',
-      '@typescript-eslint/no-explicit-any': 'warn',
+      'no-unused-vars': 'off',
+      '@typescript-eslint/no-unused-vars': [
+        'error',
+        {
+          argsIgnorePattern: '^_',
+          varsIgnorePattern: '^_',
+          caughtErrorsIgnorePattern: '^_',
+        },
+      ],
+      '@typescript-eslint/no-explicit-any': 'off',
       'prefer-const': 'error',
       'no-var': 'error',
       'no-console': 'off',

eslint.config.js

@@ -9,8 +9,8 @@
     "genkit:watch": "genkit start -- tsx --watch src/ai/dev.ts",
     "build": "NODE_ENV=production next build",
     "start": "next start",
-    "lint": "eslint . --ext .ts,.tsx,.js,.jsx --max-warnings=0",
-    "lint:fix": "eslint . --ext .ts,.tsx,.js,.jsx --fix",
+    "lint": "eslint . --max-warnings=0",
+    "lint:fix": "eslint . --fix",
     "typecheck": "tsc --noEmit",
     "format": "prettier --write \"**/*.{ts,tsx,js,jsx,json,md}\"",
     "format:check": "prettier --check \"**/*.{ts,tsx,js,jsx,json,md}\"",