{
  "artifact_type": "simulated_fixture_sample_run",
  "artifact_id": "simulated-sample-run-001",
  "review_date": "2026-07-10",
  "status": "available_fixture_example",
  "notice": "This simulated fixture supports schema and processing-boundary evaluation only. It is not live-device evidence and does not establish vendor compatibility, scientific validation, learning-state detection, or clinical use.",
  "product_context": {
    "platform_type": "teacher_coach_learner_learning_platform",
    "core_workflow": ["plan", "learn", "check", "reflect", "adapt"],
    "device_required": false,
    "educational_results_source": ["completed_work", "knowledge_checks", "self_assessments", "repetition_history", "teacher_feedback"]
  },
  "runtime_boundary": {
    "architecture_available": true,
    "schema_available": true,
    "live_device_artifact_available": false,
    "vendor_specific_source": false,
    "automatic_grading_from_device_data": false,
    "claim_boundary": "non_medical"
  },
  "input": {
    "source_type": "simulator_fixture",
    "source_name": "slow_session_fixture_001",
    "raw_signal_included": false,
    "sampling_window_ms": 4000,
    "sampling_rate_hz": 256,
    "channels": ["simulated_front_left", "simulated_front_right"],
    "session_context": "guided_learning_schema_review"
  },
  "processing": {
    "pipeline_version": "0.2-draft",
    "steps": [
      "input_window_validation",
      "session_timestamp_alignment",
      "signal_quality_gate",
      "relative_bandpower_feature_extraction",
      "session_feature_event_formatting"
    ],
    "known_limitations": [
      "simulated fixture data only",
      "live-device runtime not demonstrated",
      "vendor-specific stream access not demonstrated",
      "no learning-state or mental-state inference",
      "scientific validation not established"
    ]
  },
  "event": {
    "event_type": "session_feature_update",
    "schema_version": "0.2-draft",
    "runtime_status": "simulated_fixture_only",
    "timestamp_ms": 4000,
    "session": {
      "session_id": "fixture-learning-session-001",
      "phase": "guided_learning",
      "elapsed_ms": 4000,
      "educational_use": "technical_context_only"
    },
    "input": {
      "source_type": "simulator_fixture",
      "vendor_specific_source": false,
      "sampling_window_ms": 4000,
      "sampling_rate_hz": 256
    },
    "signal_quality": {
      "status": "usable",
      "artifact_flags": [],
      "dropout_ratio": 0.0
    },
    "features": {
      "alpha_relative": 0.31,
      "theta_relative": 0.18,
      "beta_relative": 0.22,
      "delta_relative": 0.16,
      "gamma_relative": 0.13
    },
    "learning_outcome_inference": false,
    "claim_boundary": "non_medical"
  }
}