The catch-all served index.html for every unmatched URL, so a request
for a stale /assets/<oldhash>.js (after a rebuild changed the chunk
hash) got HTML back. Strict module MIME checking then failed the
script load and the page rendered as a blank shell. Exclude
/assets/, /icons/, /fonts/, /brands/, and any path with a file
extension so those return a real 404 — versionCheck.handleChunkLoadError
already knows how to recover from that.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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