fix rendering of environment-backed variables

scripts/generate-http-docs.test.mjs

@@ -3,7 +3,7 @@ import assert from 'node:assert/strict';
 import fs from 'node:fs';
 import os from 'node:os';
 import path from 'node:path';
-import { getRequestConfigForFile, mergeRequestConfig } from './generate-http-docs.js';
+import { buildRequestContent, getRequestConfigForFile, mergeRequestConfig } from './generate-http-docs.js';
 
 test('does not inherit parent auth when a child config has no auth override', () => {
   const parentAuth = { type: 'bearer', token: 'parent-token' };
@@ -32,3 +32,16 @@ test('reads auth inherit from a Bruno-style http block', () => {
 
   assert.deepEqual(config.auth, { type: 'bearer', token: 'parent-token' });
 });
+
+test('renders dotenv placeholders in generated variable definitions', () => {
+  const request = {
+    url: 'https://example.test',
+    params: [
+      { name: 'username', value: '{{elixFormsApiUsername}}', type: 'path' },
+    ],
+  };
+
+  const output = buildRequestContent(request, 'Logout', {}, new Set(['elixFormsApiUsername']));
+
+  assert.match(output, /@username = "\{\{\$dotenv elixFormsApiUsername\}\}"/);
+});