Damn, the pics aren't opening for me. I really wanted to see that your solution too.IF holddowns back to house floor joists are required for permit,
and IF the house joists run parallel to your deck joists
and IF the ceiling below is finished,
here's a solution... requiring zero drywall work.
dproc, the bracket bs is strictly for retrofit applications. Straps would do an excellent job of locking the ledger down during framing stage, but that only works for new construction projects. And there's no easy way to replace the ledger after 30 years, not without cutting the straps and installing the new ledger differently.