- resolveClientIp: trust cf-connecting-ip only behind cf-ray/cdn-loop, use nginx x-real-ip otherwise (anti-spoof) - antiddos-config: Redis-backed live config (antiddos:config) with 30s cache, 13 ANTI_DDOS_* env vars - ddos-guard: consume tunable rates/tiers via getAntiddosConfig - admin panel at /admin/devops/antiddos (save/reset/unban actions, PERMS.SETTINGS_VIEW) - register new admin page in housekeeping migration matrix (146 -> 147)
