style: clear the lint and prettier findings so the gates pass

- prettier formatting across routes, components and tests (no behavior change)
- unused imports and ternary-as-statement replaced with explicit branches
- eslint: scripts/**/*.js are CommonJS, allow require() there; prettier ignores pnpm-lock.yaml

eslint.config.mjs

@@ -50,4 +50,11 @@ export default defineConfig([
       'prefer-const': 'off',
     },
   },
+  {
+    // Node maintenance scripts are CommonJS; require() is the native API there.
+    files: ['scripts/**/*.js'],
+    rules: {
+      '@typescript-eslint/no-require-imports': 'off',
+    },
+  },
 ]);