Drives a real SemanticBus: raw snapshot (fall_detected, past warmup) ->
FallRisk primitive -> SemanticStateRecord (provenance) -> single-signal rule
fires / multi-signal agreement rule does NOT (no false escalation) -> expired
record rejected. Proves the ADR-140 credibility path end to end.
Co-Authored-By: claude-flow <ruv@ruv.net>