Is there a specific reason why you're bulk-retagging the entire country for your specific data consumer instead of changing your data consumer to accept an already in use data model?

I think you can square right angle corners with the Q key in iD. You might check its help for hints.
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Published using OSMCha: https://osmcha.org/changesets/139064384

Don't worry about adding access=yes unless it's someplace that you wouldn't normally expect everyone and everything to go through.
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Published using OSMCha: https://osmcha.org/changesets/139064981

Not sure about the lanes there but thanks for the other part!
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Published using OSMCha: https://osmcha.org/changesets/139065011

You added a lane where there is no lane.
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/139022474

We would have also accepted:

noname=yes
ref=CR S205
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#REVIEWED_GOOD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/139047744

Please don't change destination:street to destination. Your destination:lanes tagging doesn't match what the signs say or on the ground.
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/138177682

Incorrect destination:lanes added.
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/138092578

Please don't fabricate values for destination:lanes; the ones supplied in this changeset are not accurate. Please don't change destination to destination:street.
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/138325529

Please don't change destination:street to destination.
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/138382777

Please don't tag destination:lanes when not signed, and please don't change destination:street to destination.
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/138214227

Please don't change destination:street to destination, and don't add destination:lanes where it's not applicable.
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Published using OSMCha: https://osmcha.org/changesets/138922624

Please don't move destination:street to destination; they're two different tags. Also if you're going to tag destination:lanes, please make sure the lanes actually have signed destinations. They don't in this case.
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/138172032

Incorrect values supplied for destination, destination:lanes, please don't change destination:street to destination. Basically everything about this changeset was wrong.
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/137956127

This changeset doesn't match up with the ground at all. Also please refrain from changing destination:street to destination.
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/137906844

You should save before jumping long-range to a different area.
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Published using OSMCha: https://osmcha.org/changesets/138827423

Welcome! Thanks for helping out with OSM using StreetComplete! I hope you have fun and stick around a while!
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Published using OSMCha: https://osmcha.org/changesets/138861848

destination:lanes=* values are incorrect, that's not what the signs say.

Also please don't move destination:street to destination.
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/138793265

Looks like the pavement markings disagree; this is one-way southbound.
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/138607767

Welcome aboard! Keep up the good work!
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#REVIEWED_GOOD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/138675925