Sub-ticket of MARS-368 Adopt PLUTO-462/463 fleet-canonical scanner-probe extension (SCANNER_PROBE_RE block K+L, 20 alts from the 2026-07-01 credential/infra sweep) into src/lib/not-found-classify.ts — additive to the 404-probe pre-filter, demotes matched probes to silent info/security tier (no page). Collision-checked 0-hit vs 68-route Mars manifest + public/; config.xml EXACT, config/*.json dir-anchored, /exec+generic verbs held out (recurrence-watch). Shipped dea8359 v2.23.13. · mars