Just wanted to update here.
I picked up a new aftermarket handle on ebay. (Looked good enough & any junkyard OEM handles, I feared, might be just as brittle) Everything went pretty well fine (had to remember how the interior handle backing came off. Slide-left, slide-right, jerk, lift, curse, pull, curse some more, etc. etc.
Anyway........finally got all the door panel off & proceeded to separate the wire coat hanger connecting rods from everything. (Once you get them out of their half-circle clips, then pushing them up & thru the holes is not bad.
HOWEVER..........Putting the handle back in was a bit of a task & I realized why. My old handle had a broken piece where the door lock cylinder "twists & locks" into its home. As such, it was a piece of cake to install/remove that cylinder. The new one had its piece in tact, of course, so I had to align everything, then twist, lock & hold all together as I put the handle back in place. Finally got the bolts back in. Tightened them to hand tight, then just another 1/4 turn to snug. Put everything back, & all's well again.
Thanks for the advice again, Kiwi!

(P.S. Your Corolla is a thing of beauty!)
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1998 Camry 2.2L auto. 195,000 "mostly" trouble-free miles. She needs a little work but still purrs.

1995 Geo Prizm 1.6L. 165,000 "mostly" trouble-free miles. (need to sell soon)
2011 Venza 2.7L. 5,000 miles wondering if there ever was an NVH crew assigned to Venza