CONF iture,
None of what you said is true, the planned height for the flight by AF was 400ft, the hard deck for such a flight stipulated by the DGAC is higher still.
As for your timings
12.45:14 Co-pilot OK, you're at 100ft there, watch, watch
12.45:13 Radio altimeter [One hundred]
12.45:19.1 Radio altimeter [Forty]
12.45:23.6 Radio altimeter [Fifty]
12.45:26 Captain OK ,I'm OK there, disconnect autothrottle
12.45:27.5 Radio altimeter [Forty]
12.45:32 Co-pilot Watch out for those pylons ahaead, eh. See them?
12.45:33 Co-pilot Yeah, yeah, don't worry.
12.45:34.5 [Clack! Clack! Clack!] - power lever dentents
12.45:35.3 Radio altimeter [Thirty]
12.45:36.2 Radio altimeter TOGA/SRS
12.45:38.3 Radio altimeter [Thirty]
12.45:39 Captain Go around track
12.45:39.9 Captain Sh...!
Nothing was wrong with the autothrust, the pilots disconnected it.
Habsheim was not a technology problem, it was a pilot problem, too low, too slow, no energy. You put ANY jet airliner in the same situation, you will get the same result.