Centralize dlopen/search in LoadableLibraryManager so typed library managers
can share one loaded-shlib registry without duplicating load/unload logic.
Co-authored-by: Cursor <cursoragent@cursor.com>
We haven't ported everything. Just the top-level methods. We'll
dig in to the leaf stuff later. Surprisingly, this all went without
any real difficulties.
Runs like a charm on first try.
hayodea