Fix conversational planner: advisor over-trigger, yes-after-offer flow, crisis + misconduct pattern gaps

Response quality: greeting/goodbye/meta handlers, slang routing, lexical variety, last-verified badge, markdown norm, crisis variants

Add Eval B safety supplement

Ingest Core dataset and harden router policy

Add Karthik eval harness and safety patches

Checkpoint V2 curated support navigator

Start v2 safety hardening