test(robot): add Playwright e2e comparison test

End-to-end test exercising app launcher, form, modal, and record
verification via SalesforcePlaywright keywords.

Author: jstvz

cumulusci/robotframework/tests/salesforce/playwright/e2e_comparison.robot

@@ -0,0 +1,32 @@
+*** Settings ***
+Resource         cumulusci/robotframework/SalesforcePlaywright.robot
+
+Suite Setup      Open test browser
+Suite Teardown   Delete records and close browser
+
+Force Tags       playwright
+
+*** Test Cases ***
+Create contact via app launcher and verify
+    [Documentation]
+    ...  End-to-end test exercising app launcher navigation, form population,
+    ...  modal handling, and record verification via SalesforcePlaywright keywords.
+    ...  This test is part of the Robot Framework maintenance comparison PoC.
+
+    Open app launcher
+    Select app launcher app    Sales
+    Wait until loading is complete
+
+    Click    css:.slds-page-header button[name='New']
+    Wait until modal is open
+
+    Populate form
+    ...    First Name=Test
+    ...    Last Name=RobotPlaywright
+
+    Click modal button    Save
+    Wait until modal is closed
+    Wait until loading is complete
+
+    ${record_id}=    Get current record id
+    Should not be empty    ${record_id}