- heading "Isolated device storage checks" [level=1]
- paragraph: Synthetic browser-storage tests only. No SHS app, account, session, customer record or private workspace is opened.
- button "Run storage checks"
- button "Verify records after reload"
- button "Remove this test database"
- button "Claim one note in this tab"
- button "Try competing claim" [active]
- button "Release this tab’s claim"
- generic: "PASS: second tab refused while first tab holds the note."