fix(ui-test): ensure app unconfigured before setup flow tests

Add Verify App Is Unconfigured keyword with retry logic.
Update Test Setup to reset app state before each setup flow test.
Remove stale Task 25 docs from tasks.md.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Docs/tasks.md

@@ -1,17 +1,3 @@
-## Task 25: UI Setup Flow - Password Strength Strong
-
-**Suite:** `Robot.Ui.Setup Flow`  
-**Test:** `Password Strength Strong`  
-**Result:** FAIL  
-**Error:** `TimeoutError: locator.waitFor: Timeout 5000ms exceeded. waiting for locator('id=setup-form') to be visible`
-
-**Instructions:**
-- Same root cause as Task 22: the setup form is not visible.
-- Fix the suite setup so the app is in an unconfigured state before each setup flow test.
-- Ensure `#setup-form` is rendered when navigating to the setup page.
-
----
-
 ## Task 26: UI Setup Flow - Setup Form Validation Empty Password
 
 **Suite:** `Robot.Ui.Setup Flow`