{
  "schema_version": 1,
  "recorded_date": "2026-08-27",
  "status": "preliminary_two_seed_null_ablation",
  "missing_seed": 2,
  "dataset": "EasyCom",
  "split": {
    "train_sessions": [4, 5, 6, 7, 8, 9, 10, 11, 12],
    "dev_sessions": [],
    "test_sessions": [3, 2, 1]
  },
  "model": {
    "backbone": "Qwen2.5-Omni-3B",
    "thinker_frozen": true,
    "streaming_mode": "open-stream-replay",
    "memory_seconds": 8,
    "video_fps": 2,
    "prediction_hz": 5,
    "selected_layers": "last_4_query_states",
    "layer_fusion": "concat-mlp"
  },
  "training": {
    "epochs": 4,
    "batch_size": 512,
    "learning_rate": 0.00007,
    "weight_decay": 0.00005,
    "warmup_epochs": 1.6,
    "warmup_factor": 0.3,
    "dropout": 0.2,
    "activity_loss": "lstr-mce",
    "completed_seeds": [0, 1],
    "checkpoint_selection": "final_epoch_no_dev"
  },
  "transition_definition": {
    "positive": "activity[t+h] differs from activity[t+h-1]",
    "r1": {
      "objective": "activity + 0.2 * weighted_transition_bce",
      "positive_weight": 3.0
    },
    "r2": {
      "objective": "activity + 0.2 * transition - 0.1 * expected_transition_correctness",
      "positive_weight": 3.0,
      "reward_weight": 0.1,
      "expectation": "analytic_binary_action_expectation_without_sampling"
    }
  },
  "evaluation": {
    "activity_protocol": "causal_valid_only",
    "transition_horizon_0.2_positive_rate_percent": 11.21718,
    "transition_random_ap_percent": 11.21718
  },
  "individual_run_summary_percent": [
    {
      "variant": "r1-supervised",
      "seed": 0,
      "horizon_0.2_map": 73.51590,
      "horizon_0.2_background_ap": 56.84019,
      "horizon_0.2_wearer_ap": 77.92448,
      "horizon_0.2_others_ap": 85.78303,
      "ten_horizon_mean_map": 60.86360,
      "transition_horizon_0.2_ap": 15.19153,
      "transition_horizon_0.2_f1_at_0.5": 0.46172,
      "transition_ten_horizon_mean_ap": 13.04354,
      "transition_ap_over_random": 1.35
    },
    {
      "variant": "r1-supervised",
      "seed": 1,
      "horizon_0.2_map": 73.78692,
      "horizon_0.2_background_ap": 56.92102,
      "horizon_0.2_wearer_ap": 78.63090,
      "horizon_0.2_others_ap": 85.80884,
      "ten_horizon_mean_map": 60.82023,
      "transition_horizon_0.2_ap": 15.32492,
      "transition_horizon_0.2_f1_at_0.5": 1.14068,
      "transition_ten_horizon_mean_ap": 13.06174,
      "transition_ap_over_random": 1.37
    },
    {
      "variant": "r2-expected-reward",
      "seed": 0,
      "horizon_0.2_map": 73.53288,
      "horizon_0.2_background_ap": 56.89701,
      "horizon_0.2_wearer_ap": 77.92732,
      "horizon_0.2_others_ap": 85.77432,
      "ten_horizon_mean_map": 60.86528,
      "transition_horizon_0.2_ap": 15.37608,
      "transition_horizon_0.2_f1_at_0.5": 0.00000,
      "transition_ten_horizon_mean_ap": 13.11854,
      "transition_ap_over_random": 1.37
    },
    {
      "variant": "r2-expected-reward",
      "seed": 1,
      "horizon_0.2_map": 73.82947,
      "horizon_0.2_background_ap": 56.97474,
      "horizon_0.2_wearer_ap": 78.69340,
      "horizon_0.2_others_ap": 85.82027,
      "ten_horizon_mean_map": 60.84178,
      "transition_horizon_0.2_ap": 15.47356,
      "transition_horizon_0.2_f1_at_0.5": 0.84227,
      "transition_ten_horizon_mean_ap": 13.13820,
      "transition_ap_over_random": 1.38
    }
  ],
  "two_seed_summary_percent": {
    "r1-supervised": {
      "horizon_0.2_map": {"mean": 73.65141, "sample_std": 0.19164},
      "horizon_0.2_background_ap": {"mean": 56.88061, "sample_std": 0.05716},
      "horizon_0.2_wearer_ap": {"mean": 78.27769, "sample_std": 0.49951},
      "horizon_0.2_others_ap": {"mean": 85.79594, "sample_std": 0.01825},
      "ten_horizon_mean_map": {"mean": 60.84192, "sample_std": 0.03067},
      "transition_horizon_0.2_ap": {"mean": 15.25823, "sample_std": 0.09432},
      "transition_horizon_0.2_f1_at_0.5": {"mean": 0.80120, "sample_std": 0.48010},
      "transition_ten_horizon_mean_ap": {"mean": 13.05264, "sample_std": 0.01287}
    },
    "r2-expected-reward": {
      "horizon_0.2_map": {"mean": 73.68118, "sample_std": 0.20972},
      "horizon_0.2_background_ap": {"mean": 56.93587, "sample_std": 0.05496},
      "horizon_0.2_wearer_ap": {"mean": 78.31036, "sample_std": 0.54169},
      "horizon_0.2_others_ap": {"mean": 85.79729, "sample_std": 0.03249},
      "ten_horizon_mean_map": {"mean": 60.85353, "sample_std": 0.01662},
      "transition_horizon_0.2_ap": {"mean": 15.42482, "sample_std": 0.06893},
      "transition_horizon_0.2_f1_at_0.5": {"mean": 0.42113, "sample_std": 0.59557},
      "transition_ten_horizon_mean_ap": {"mean": 13.12837, "sample_std": 0.01390}
    }
  },
  "paired_mean_deltas_percent": {
    "r1_minus_lstr_mce": {
      "horizon_0.2_map": 0.04975,
      "horizon_0.2_background_ap": 0.02633,
      "horizon_0.2_wearer_ap": 0.05942,
      "horizon_0.2_others_ap": 0.06350,
      "ten_horizon_mean_map": 0.04949
    },
    "r2_minus_lstr_mce": {
      "horizon_0.2_map": 0.07951,
      "horizon_0.2_background_ap": 0.08160,
      "horizon_0.2_wearer_ap": 0.09209,
      "horizon_0.2_others_ap": 0.06486,
      "ten_horizon_mean_map": 0.06110
    },
    "r2_minus_r1": {
      "horizon_0.2_map": 0.02977,
      "horizon_0.2_background_ap": 0.05527,
      "horizon_0.2_wearer_ap": 0.03267,
      "horizon_0.2_others_ap": 0.00136,
      "ten_horizon_mean_map": 0.01162,
      "transition_horizon_0.2_ap": 0.16660,
      "transition_ten_horizon_mean_ap": 0.07573
    }
  },
  "interpretation": {
    "activity_improvement_established": false,
    "transition_ranking": "weak_but_above_random",
    "threshold_0.5_is_calibrated": false,
    "r2_additional_gain": "negligible",
    "r2_is_interactive_rl": false,
    "recommended_next_target": "cumulative_transition_hazard",
    "required_before_final_claim": "complete_seed_2"
  },
  "provenance": {
    "source": "user_reported_remote_summary_and_diagnostic_console",
    "remote_feature_root": "/data1/yfzx/wangx/Datasets/easycom/omni_features/open_stream_2fps_8s_last4_stack",
    "remote_target_root": "/data1/yfzx/wangx/Datasets/easycom/easycom_target_frame",
    "raw_remote_metrics_archived": false,
    "full_horizon_metrics_archived": false
  }
}