Hello Teenieleek
I would defend 8dn - Ci is noted in Chambers as an abbreviation indicated clearly in the clue.
45ac was, I thought rather fun but I follow football where you might not, so maybe it was to me a sitter - to use another footballing term.
I'm inclined to agree on 30ac - I renounce SA for 'appeal' as extinct usage, missed 'gest' and preferred SAFEST as a solution satisfying 'Most Judicious' but couldn't figure any parsing, and as the last remaining solution I ran out of willpower to figure it out!
I didn't find the puzzle strange; my feeling was that the title gave away a lot at first glance but the mild misdirection was a little odd - I would have titled it 'Harris nearly' or similar.
All the best,
M