- 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" [active]
- button "Verify records after reload"
- button "Remove this test database"
- generic: "{ \"passed\": 8, \"checks\": [ \"Concurrent opens retain one device identity\", \"Concurrent entries both survive\", \"Only one concurrent tab claims a note\", \"Acknowledgement leaves newer entries untouched\", \"Foreign scope cannot claim a note\", \"Expired claim cannot acknowledge newer work\", \"Failed transaction rolls back without partial deletion\", \"Stored envelopes contain no plaintext or key\" ] } Reload this page, then verify retained records."