ComfyUI sends no cache header for .mjs, so after a Manager update a browser
could reuse old shared modules while loading the new entry scripts. The new
entries then imported functions the old modules lack and about a third of the
pack stopped loading.
The pack now serves its .mjs files with Cache-Control: no-cache, and a small
entry (js/cache_guard) refreshes the stored copies and asks for a reload when
a tab runs older files than the installed version. It replaces the old
stale-cache toast in the appearance entry.
ausboss
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