{"service": "Featrix Prediction Gateway", "endpoints": {"POST /predict/org/model-name": "Run predictions (auto-starts worker container)", "GET /health": "Gateway + worker health (?system=1 for disk/RAM/CPU)", "GET /models": "List active worker containers", "GET /stats": "Request traffic, per-model aggregates, errors", "GET /monitor": "Admin dashboard", "GET /logs/org/model-name": "Docker container logs (?tail=N, default 200)", "GET /model_status/org/model-name": "Published model status (on disk, in memory, timestamps)", "GET /predict/{org}/{name}/session": "Get session metadata by model org/name", "GET /session/{id}": "Get session metadata for published models", "GET /session/{id}/model_card": "Get model card for a published session", "GET /null_stats/org/model-name": "Per-column null distribution from production predictions"}}