nousergon-lib 0.63.0

Shared utilities for the Nous Ergon (Crucible) modules: preflight, logging, ArcticDB, dates, decision capture, cost telemetry, Anthropic payload chokepoint, artifact freshness, RAG, agent schemas, SSM secrets, Telegram + SNS alerts, EC2 spot resilience, SSM log-capture, SSM dispatcher, Step-Functions execution-state projection, S3-conditional-PUT writer locks, and bounded-backoff HTTP retry. Full surface documented in README.