Root Cause
Hypothesis Engine
How hypotheses are generated, tested, and ranked. Adjustable, auditable, guardrailed.
Generation policy
Triangulation strength ≥ 0.70 and signal-count growth ≥ 20% w/w.
40%current: 70%100%
20% of matched serials held out for precision/recall stamp.
Loopback never takes a production action without human approval.
Agent tool access
Tools the reasoning agent can invoke.
- MES.queryChennai + EU plant production genealogy
- Supplier.incoming_inspectionLot-level dimensional & material inspection
- Supplier.ppapPPAP records, specs, tolerances
- PLM.queryDesign change history, spec revisions
- Telemetry.queryHome Connect fault codes and signatures
- Environment.correlateRegional climate, water hardness, duty cycle
- Firmware.replayHIL-rig firmware trace replay
- Holdout.testPrecision/recall on 20% held-out serials
All tool calls are logged in TrustLayer with latency, cost, and result signatures.