{"medium":{"model":"1-D damped wave equation","nodes":200,"dx":1,"c":1,"dt":0.35,"gamma":0.006,"cfl":0.1225,"groupDelaySteps":286},"singleSender":{"corr":1},"baselineUncoupledGuess":{"corr":0.2348},"noise":[{"sensorNoiseRelPeak":0.01,"corr":1},{"sensorNoiseRelPeak":0.05,"corr":0.9998},{"sensorNoiseRelPeak":0.1,"corr":0.9993}],"twoSenders":{"interleaved":{"pathSumDiff":100,"a":1,"b":0.9998,"crosstalkAB":-0.0481,"crosstalkBA":-0.0483},"degenerate":{"pathSumDiff":0,"a":0.1773,"b":-0.0179,"crosstalkAB":-0.1224,"crosstalkBA":0.0037}},"plasticity":{"probeResponseChangeRelL2":11.6063,"persistedAfter20kQuietStepsRelL2":1.2544,"meanCoupling":0.19862,"note":"a later agent detects that someone spoke by probing alone; no message was stored anywhere"},"failureModes":["Unstable boundary conditions turn the medium into an energy-pumping resonator and destroy the channel.","If the analysis window is shorter than delay + signal + response tail, the frequency-domain inverse wraps and corr collapses toward 0.5.","In 1-D two sender/receiver pairs are separable only if their path-length sums differ (see twoSenders.degenerate).","Plasticity saturates at its clamp, so the stored imprint is coarse; storage capacity is not shown here.","A nonlinear medium would need a learned receiver. Not tested."],"note":"Measured on this host by GET /v1/cochannel/selftest. Cached for 10 minutes; rerun to reproduce.","cachedAgoMs":0}