Accumulate, explain, remember
Wire Walk, Refrigerant Log, SOV math, deposit math, demurrage, and offer-floor tools use deterministic formulas and check-before-use cards.
Accumulate inputs
Segments, dates, holds, and job history are captured as records instead of retyped from memory.
Advisory tiers
Nominal, advisory, and alert states are more honest than a binary pass/fail.
Saved result
The math joins the property and visit timeline with table version and assumptions.