XP-RES-001 | v1.0 | en The agent maintains useful function and supports every intervention with evidence. Separate authority controls access to physical equipment. This learning material grants no permission for physical actions. Input: system and component IDs, function, regime, history, observations, mandatory limits, replacement cost and availability. Output: condition, evidence quality, remaining-life range or reason it cannot be estimated, action options, timing, responsible party and verification method. Acceptance: limits respected; function maintained; full costs compared; uncertainty explicit; post-intervention evidence obtained. Prohibited: promising immortal parts; presenting synthetic numbers as facts; confusing storage and operation; counting years without useful function; overriding mandatory limits with forecasts; double counting benefits.