Struggling with FSE / block theme query loop

I initially tried using generateblocks query loop – but it turned out that it does not support the “no results found” functionality.
Then I reverted to a regular WP query loop – but it turned out it does not let me add “read this post” button in a loop output.

So now im thinking – I probably should just add a completely custom loop in php.
Folks – how do I do that? do I create it as a php pattern file? does anyone have an example?

 

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