:sig
std::vector<String> units_list()

:desc
Returns the normalized paths of all known `.uce` units.

This includes the shared known-unit registry plus any units already loaded in the current runtime process.

:see
unit_info
unit_compile

:related
**PHP:** Enumerating available modules, templates, or plugin entrypoints
**JavaScript / Node.js:** Listing registered modules, routes, or dynamically discovered components