Normalize super admin login env values

backend/test/config.test.js

@@ -0,0 +1,16 @@
+const assert = require('node:assert/strict');
+const test = require('node:test');
+
+const config = require('../config');
+
+test('cleanEnvValue trims env values and removes matching wrapper quotes', () => {
+    assert.equal(config.cleanEnvValue('  admin@example.com  ', 'fallback'), 'admin@example.com');
+    assert.equal(config.cleanEnvValue('"secret-pass"', 'fallback'), 'secret-pass');
+    assert.equal(config.cleanEnvValue("'secret-pass'", 'fallback'), 'secret-pass');
+});
+
+test('cleanEnvValue keeps unmatched quote characters inside values', () => {
+    assert.equal(config.cleanEnvValue('Compor@2017#', 'fallback'), 'Compor@2017#');
+    assert.equal(config.cleanEnvValue('secret"pass', 'fallback'), 'secret"pass');
+    assert.equal(config.cleanEnvValue('"secret-pass', 'fallback'), '"secret-pass');
+});