v2.1.1.
Key changes in the release:
a) llm.js — createLlmClient() stateless factory
b) engine.js — DEEP_ANALYSIS_STAGES = {3,4,6,8} + per-stage routing
c) run.js — --orchestrate path wires deepAnalysisClient
d) babok.js — new --deep-model CLI flag
CHANGELOG.md — 2.1.1 entry added