feat(sweep): associative swept surfaces in the drawing's network

Swept surfaces made with SURFACEASSOCIATIVITY on keep their profile and
path and are written as a swept-surface action of the drawing's
associative network, reading the profile and path and their scale and
twist expressions. They follow edits of their sources.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/app/commands/mod.rs

@@ -697,6 +697,7 @@ inventory::submit!(crate::command::CommandRegistration {
         "PDFOSNAP",
         "UOSNAP",
         "FIELDDISPLAY",
+        "SURFACEASSOCIATIVITY",
         "FIELDEVAL",
         "PDFIMPORTMODE",
         "PDFIMPORTFILTER",