git remote set-url with an embedded password (https://PASSWORD@github.com)
leaked the credential into agent output — the redaction engine only masked
user:pass@ DB connection strings, never the colon-less bare-token userinfo
form a git remote uses.
Add _URL_BARE_TOKEN_RE: scheme://TOKEN@host for web/transport schemes
(http/https/wss/git/ssh/ftp), 8+ char floor to skip short usernames, token
class forbidding /:@ so an @ in a path/query is never treated as userinfo.
Deliberately scoped to the bare-token form only. The user:pass@ colon form
and query-string tokens stay passing through (#34029, 'pass web URLs through
unchanged') so magic-link / OAuth round-trip skills keep working — a bare
credential in userinfo is never a workflow token (those live in the query
string), so masking it can't break a skill.
Teknium
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