Increase test timeout for YAML export test

Extended the timeout for the 'validates and exports complete session as valid YAML' integration test from 30s to 60s to prevent premature test failures during longer operations.

Author: edeno

src/__tests__/integration/complete-session-creation.test.jsx

@@ -845,7 +845,7 @@ describe('End-to-End Session Creation Workflow', () => {
    * - Exported YAML is well-formed
    * - All sections are present in export
    */
-  it('validates and exports complete session as valid YAML', { timeout: 30000 }, async () => {
+  it('validates and exports complete session as valid YAML', { timeout: 60000 }, async () => {
     // ARRANGE
     const user = userEvent.setup();
     render(<App />);