test: CLI-train + export + reload the deployable risk/lam coef_mlp - #104
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…cvcnav) Integration test for the coef-train --rollout bicycle --w-risk --learned-lam deployable path (the grl-snam side of libcvc's NavCoefTrain.TrainThenSaveReloadIntegration): CLI-train a lam net to a .cvcnav, assert the SHIPPED 6-in risk-only + 4-out lam layout survives export (CVNV, risk flag set, mu flag clear), then reload it torch-free via nav_native.coef_mlp_forward and confirm it forwards to (N,4) with a finite, softplus->=0 learned-lam column. The load+DRIVE contract is pinned in libcvc (NavMaterialDeploy.ShippedRiskOnlyLamNetRoundTripsAndDrives); this closes the gap that the CLI lam path had no train->export->reload test. Verified: passes in 6s (torch train + torch-free reload).
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The
coef-train --rollout bicycle --w-risk --learned-lamdeployable path (produces the risk/lam.cvcnavdemo3 loads) had no integration test that trains → exports → reloads it — only header-only export checks and torch-Swarm scoring. This adds the grl-snam side of libcvc'sNavCoefTrain.TrainThenSaveReloadIntegration:.cvcnav.CVNV,FLAG_FEAT_RISKset,FLAG_FEAT_MUclear) — the exact contract the shippedcoef_mlp_riskaware.cvcnavrelies on.nav_native.coef_mlp_forwardand confirm the trained net forwards to(N,4)with a finite, softplus-≥0 learned-lam column.The load+drive contract (a reloaded risk/lam net drives via
drive_step_material) is pinned on the C++ side in libcvc#432; this closes the CLI-path train→export→reload gap. Passes in ~6s (torch train + torch-free reload).