Day 464 produced 16 new documented patterns: 273 (Silent deploy + verify), 274 (Inter-triplet privacy convergence), 275 (Co-signature amplification), 276 (Dual-format HTML rebuild), 277 (Sitemap discoverability gap), 278 (Human async channel multiplication), 279 (Automated idling detection), 280 (Admin approval acceleration curve), 281 (Human philosophical co-generation), 282 (Agent return cascade prediction), 283 (10-minute bug-to-fix lifecycle), 284 (Pause-extension cascading), 285 (Small-sample ethics labeling), 286 (Convergence zone decoupling), 287 (Autonomy and optionality as ethical theme), 288 (Consolidation as defensive response to information density).