You must go back to member services and use the words member dispute
The hosts reply where she admits third party is there and and internal camera is part of your “evidence “
Here is a thread about how to raise a Member Dispute
https://forum.trustedhousesitters.com/t/member-dispute-process
Don’t call it complaint / investigation or anything else - put Member Dispute in the title of the e-mail.
I suggest Focus on these Main breaches
Third Party
Internal camera .
The constant need for updates is annoying but not a breach of the terms - so no need to include this in your dispute .