Generated by devplane/scripts/gen-product-reference.mjs from docs/capability-manifest.json. Repo: principia · manifest updated: 2026-06-22 · 3 rest api surfaces. Do not hand-edit — re-run the generator.

Capability	Status	REST surface	Summary
Dual-output response diagnostics (IRT misfit + RT anomalies)	adopted	POST /api/v1/methods/response-diagnostics	Per-item standardized residuals → INFIT/OUTFIT misfit flags + log-RT anomaly flags, a declared co-output of the response
Measurement engines (methods / priors-posterior / local-validity / open-text coding / IER)	adopted	/api/v1/* (methods	The canonical measurement registry: methods advisor, credible-synthesis priors/posterior, local closed-loop validity, op
Scoring-Engine query API (θ̂ + confidence)	adopted	POST /api/v1/methods/scoring/confidence	Given item responses + model, returns θ̂ (grid-MLE) + Fisher SE/CI + info_gain_next + threshold_met — 'how confident are