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- F1: added '/icons/' to STATIC_PATH_PREFIXES — public/icons/ is copied verbatim to client/dist (a sibling of the already-included brand/vad/locales), and index.html references /icons/favicon-*.png on every page load, so those requests were getting their own route labels instead of collapsing to `static`. - F2: corrected the comment — only /assets/ is content-hashed (unbounded per deploy); /vad//brand//locales//icons/ have stable names (repetitive, not unbounded). Either way none belong in the API-route histogram. - F3: the negative test now exercises the trailing-slash boundary (the actual anti-false-collapse guard): '/assets' (no slash), '/assetsx/foo.js', '/iconset/x.png' must NOT collapse to `static` — cases that a buggy includes()/slashless-prefix impl would wrongly collapse. Plus '/icons/*' added to the positive it.each. Gate: server tsc 0; metrics.spec passes. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>