New probe (e) over agents/**, commands/** and hooks/** — what a Claude Code
session loads at the user's end, where a quarantine breaks the installed
plugin, not just a clone. It fails on a contiguous literal matching the SIG
reverse-shell/webshell/miner rules, a download piped into a shell, or a
base64 decode piped into a shell. Raw text, comments included, per line, so
every hit names file:line.
knowledge/** is measured by the same rule and reported in the diagnostic as
its own number, not gated in S3.
Measured red before any change (v8.1.0 S3, 2026-09-22):
e = 8 hits in 6 of 36 files; knowledge = 17 hits of 22 files.
No SIG rule hit anywhere in the four directories; validated against built
known positives (all three families match).
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>