{
  "leakage_checks": {
    "case_id_overlap": 0,
    "trace_overlap": 0
  },
  "method": "deterministic stratified case_id-group split; strata=(family,difficulty,expected_tool_sequence_length,run_or_test); duplicate case_id/trace rows kept together to avoid SFT/RL leakage",
  "outputs": {
    "rl_pool_b_prompts": "synthetic_data/rl_prompts_signal_v3_pool_b.jsonl",
    "rl_pool_b_traces": "synthetic_data/signal_v3_rl_pool_b.jsonl",
    "sft_half_a": "synthetic_data/signal_v3_sft_half_a.jsonl",
    "summary_json": "synthetic_data/signal_v3_split_summary.json",
    "summary_md": "synthetic_data/signal_v3_split_summary.md"
  },
  "seed": "glyph-signal-v3-clean-sft-rlvr-split-v1",
  "source": "synthetic_data/signal_v3.jsonl",
  "source_counts": {
    "rows": 2083,
    "unique_case_ids": 1522,
    "unique_traces": 1522
  },
  "splits": {
    "RL_POOL_B": {
      "by_depth": {
        "1": 50,
        "12": 70,
        "15": 33,
        "18": 16,
        "3": 562,
        "6": 283,
        "9": 27
      },
      "by_difficulty": {
        "easy": 235,
        "hard": 229,
        "medium": 577
      },
      "by_family": {
        "patch_run_pass": 200,
        "patch_run_recover": 148,
        "patch_test_pass": 362,
        "patch_test_recover": 281,
        "run_only": 15,
        "test_only": 35
      },
      "by_family_difficulty_depth": {
        "patch_run_pass|easy|3|run": 58,
        "patch_run_pass|hard|3|run": 20,
        "patch_run_pass|medium|3|run": 122,
        "patch_run_recover|easy|12|run": 1,
        "patch_run_recover|easy|6|run": 11,
        "patch_run_recover|hard|12|run": 9,
        "patch_run_recover|hard|15|run": 3,
        "patch_run_recover|hard|18|run": 5,
        "patch_run_recover|hard|6|run": 43,
        "patch_run_recover|hard|9|run": 3,
        "patch_run_recover|medium|12|run": 10,
        "patch_run_recover|medium|15|run": 4,
        "patch_run_recover|medium|6|run": 52,
        "patch_run_recover|medium|9|run": 7,
        "patch_test_pass|easy|3|test": 98,
        "patch_test_pass|hard|3|test": 64,
        "patch_test_pass|medium|3|test": 200,
        "patch_test_recover|easy|12|test": 9,
        "patch_test_recover|easy|6|test": 25,
        "patch_test_recover|easy|9|test": 2,
        "patch_test_recover|hard|12|test": 12,
        "patch_test_recover|hard|15|test": 10,
        "patch_test_recover|hard|18|test": 11,
        "patch_test_recover|hard|6|test": 45,
        "patch_test_recover|hard|9|test": 4,
        "patch_test_recover|medium|12|test": 29,
        "patch_test_recover|medium|15|test": 16,
        "patch_test_recover|medium|6|test": 107,
        "patch_test_recover|medium|9|test": 11,
        "run_only|easy|1|run": 9,
        "run_only|medium|1|run": 6,
        "test_only|easy|1|test": 22,
        "test_only|medium|1|test": 13
      },
      "by_verifier_family": {
        "run": 363,
        "test": 678
      },
      "rows": 1041,
      "unique_case_ids": 760
    },
    "RL_POOL_B_PROMPTS": {
      "by_depth": {
        "1": 50,
        "12": 70,
        "15": 33,
        "18": 16,
        "3": 281,
        "6": 283,
        "9": 27
      },
      "by_difficulty": {
        "easy": 157,
        "hard": 187,
        "medium": 416
      },
      "by_kind": {
        "patch_run_pass": 100,
        "patch_run_recover": 148,
        "patch_test_pass": 181,
        "patch_test_recover": 281,
        "run_only": 15,
        "test_only": 35
      },
      "by_verifier_family": {
        "run": 263,
        "test": 497
      },
      "rows": 760,
      "unique_case_ids": 760
    },
    "SFT_HALF_A": {
      "by_depth": {
        "1": 52,
        "12": 69,
        "15": 34,
        "18": 15,
        "3": 560,
        "6": 284,
        "9": 28
      },
      "by_difficulty": {
        "easy": 234,
        "hard": 229,
        "medium": 579
      },
      "by_family": {
        "patch_run_pass": 194,
        "patch_run_recover": 150,
        "patch_test_pass": 366,
        "patch_test_recover": 280,
        "run_only": 16,
        "test_only": 36
      },
      "by_family_difficulty_depth": {
        "patch_run_pass|easy|3|run": 56,
        "patch_run_pass|hard|3|run": 18,
        "patch_run_pass|medium|3|run": 120,
        "patch_run_recover|easy|12|run": 2,
        "patch_run_recover|easy|6|run": 11,
        "patch_run_recover|hard|12|run": 9,
        "patch_run_recover|hard|15|run": 3,
        "patch_run_recover|hard|18|run": 5,
        "patch_run_recover|hard|6|run": 44,
        "patch_run_recover|hard|9|run": 2,
        "patch_run_recover|medium|12|run": 10,
        "patch_run_recover|medium|15|run": 4,
        "patch_run_recover|medium|6|run": 52,
        "patch_run_recover|medium|9|run": 8,
        "patch_test_pass|easy|3|test": 98,
        "patch_test_pass|hard|3|test": 66,
        "patch_test_pass|medium|3|test": 202,
        "patch_test_recover|easy|12|test": 8,
        "patch_test_recover|easy|6|test": 25,
        "patch_test_recover|easy|9|test": 3,
        "patch_test_recover|hard|12|test": 12,
        "patch_test_recover|hard|15|test": 11,
        "patch_test_recover|hard|18|test": 10,
        "patch_test_recover|hard|6|test": 46,
        "patch_test_recover|hard|9|test": 3,
        "patch_test_recover|medium|12|test": 28,
        "patch_test_recover|medium|15|test": 16,
        "patch_test_recover|medium|6|test": 106,
        "patch_test_recover|medium|9|test": 12,
        "run_only|easy|1|run": 9,
        "run_only|medium|1|run": 7,
        "test_only|easy|1|test": 22,
        "test_only|medium|1|test": 14
      },
      "by_verifier_family": {
        "run": 360,
        "test": 682
      },
      "rows": 1042,
      "unique_case_ids": 762
    }
  }
}