Complete SHiRE Academy round 2 using only the supplied skill data. Follow the round-specific JSON schema exactly and stay concise. Do not answer sections assigned to another round. Do not claim tool execution or physical validation.
{"skill_id":"parametric_cad.parameter-architecture","name":"Parameter architecture","domain":"parametric_cad","risk":"low","lane":"tool_evidence","professional_review":false,"round":2,"focus":"failure diagnosis, provenance and safety","principles":["Name parameters by meaning and include units, ranges and dependencies.","Build from stable datums instead of fragile generated edges.","Separate user parameters from derived calculations."],"failure_signals":["Scattered hard-coded dimensions.","Circular dependencies."],"application":"harmless household design example","response_scope":"failure provenance safety only"}