The process I just detailed leaves everything as one consolidated image, defeating the reuse purpose.
Now, I suppose I could just eternally destroy my work and do it all over again. That is always an option. A horrible, horrible, option, but an option. All the possible workarounds I've seen or come up with myself in a day of searching fail at the point of remaining linked to the original, and some also eliminate the path that lets me do fun things like Path Effects. I do like playing with line width, but I suppose I could get over its loss if that's the only way to save time.
Are there any tricks I'm overlooking to be able to link an outline to a dynamic group of shapes?