extra network requests on page reload

[jchris]

it seems to reload all car files. try the 3rd-party app to see

[jchris]

https://github.com/fireproof-storage/fireproof/tree/main/cloud/3rd-party

[mabels]

This is known --- we need to build a complete new sync logic ---
I only implemented the full sync method.

Before starting, we should discuss the drawbacks and problems with this.

I estimated that the implementation will take at least 3 months.