Nice find, it will be a great riding bike and should look great as well.

Those levers can be disassembled and have hoods fitted, what I did for a local gal here a few years back. The auxiliary levers are super-solid on these, they actually ARE the main lever and the "normal" levers act as auxiliary to those(!).
You have to cut a big hole so the screw head can rotate freely as the lever moves...
not French, and no cable adjusters, but...