A tiny neural cellular automaton that self-heals after damage and emits a signed-style receipt: pass/fail, why it failed (if red), and how to fix (knob hint). Now includes emergence / emergency signals derived from the same telemetry.
docs/receipt.latest.json (written by the “emit-nca-receipt” Action)
+smooth, +coarse, -pull, +steps).
emergence (E, phi*, tau) and emergency (Xi, flags) fields appear in the JSON.
Aggregated view: openline-hub.