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You're learning the hard way that taping the cables is the penultimate step, with taping the bars the last one. Get it all cabled up and working, then ride around the block and adjust the bar and lever positions until you're happy with them. Most of us ham-fisted home mechanics learnt the same lesson as you.
@Tijs is correct to say that aiming the end of the bar at the rear brake caliper is a good place to start. But there is no right or wrong, aim to get something you're comfortable with.
The entire cockpit thing is obviously beyond me.
In summary then, I need to rotate the bars and move the hoods, which will mean retaping the cables and then re-tensioning them as well I suspect.
Given that the left shifter is almost definitely going to have to come off to get fixed, I shall wait until that issue is resolved.