Claisen Reaction mechanism?

[koogles]

Can anyone link me to the full reaction mechanism, with arrows, of the claisen reaction (not the claisen condensation)? Or maybe describe how to get to the final product with CO2 as a byproduct?
(I tried searching online but only found the mechanism up to the condensation part, and my textbook doesn't have the mechanism. )
Btw, my apologies if this is posted in the wrong forum, feel free to move it><

thanks!

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