fix(#5): re-enable unresolved import checks with TS resolver

eslint.config.js

@@ -43,6 +43,10 @@ export default tseslint.config(
 		},
 		settings: {
 			'import/resolver': {
+				typescript: {
+					alwaysTryTypes: true,
+					project: ['./tsconfig.json']
+				},
 				node: {
 					extensions: ['.js', '.mjs', '.cjs', '.ts', '.d.ts', '.svelte', '.json']
 				}
@@ -57,7 +61,7 @@ export default tseslint.config(
 			'no-inner-declarations': 'off',
 			'no-unused-vars': 'off',
 			'import/no-extraneous-dependencies': 'off',
-			'import/no-unresolved': 'off',
+			'import/no-unresolved': 'error',
 			'import/prefer-default-export': 'off',
 			'@typescript-eslint/no-unused-vars': ['warn', { argsIgnorePattern: '^_' }],
 			'import/extensions': 'off'