{
  "schema_version": 1,
  "measurement": "text representation only; no model calls",
  "encoding": "o200k_base",
  "tiktoken_version": "0.14.0",
  "source_sha256": "d4085e0c99b97d95300af862832262fd8243de1f3c3199fb33413834a89baec2",
  "cases": [
    {
      "case": "tiny",
      "fixture_sha256": "d726596fa5146aab4be901d47074c2c2fb5c8a1218864bc4bb5d3d91beb4c87c",
      "raw_log_text_tokens": 262,
      "evidence_markdown_text_tokens": 627,
      "skill_plus_evidence_text_tokens": 1278,
      "skill_references_evidence_text_tokens": 3933,
      "targeted_usage_only_text_tokens": 40,
      "summary_reduction_percent": -139.31,
      "metadata_checks": {
        "provider_counters_preserved": true,
        "cache_subset_subtracted": true,
        "duplicate_snapshot_not_added": true,
        "tool_output_count_preserved": true,
        "largest_output_bytes_correct": true,
        "repeated_call_count_correct": true
      },
      "critical_error_body_preserved": false,
      "critical_error_metadata_in_top15": true
    },
    {
      "case": "verbose",
      "fixture_sha256": "386e4c430bd90cc7613b151fca67cb2b741b457322ae1f2ae78d9a78c2e6eebb",
      "raw_log_text_tokens": 18253,
      "evidence_markdown_text_tokens": 629,
      "skill_plus_evidence_text_tokens": 1280,
      "skill_references_evidence_text_tokens": 3935,
      "targeted_usage_only_text_tokens": 40,
      "summary_reduction_percent": 96.55,
      "metadata_checks": {
        "provider_counters_preserved": true,
        "cache_subset_subtracted": true,
        "duplicate_snapshot_not_added": true,
        "tool_output_count_preserved": true,
        "largest_output_bytes_correct": true,
        "repeated_call_count_correct": true
      },
      "critical_error_body_preserved": false,
      "critical_error_metadata_in_top15": true
    },
    {
      "case": "repeated",
      "fixture_sha256": "bc106a4ba6fb7bf8f80a4a4c6e52f066c2e1fa0658fab2d4c28ee02ad112c7dd",
      "raw_log_text_tokens": 29557,
      "evidence_markdown_text_tokens": 799,
      "skill_plus_evidence_text_tokens": 1450,
      "skill_references_evidence_text_tokens": 4105,
      "targeted_usage_only_text_tokens": 40,
      "summary_reduction_percent": 97.3,
      "metadata_checks": {
        "provider_counters_preserved": true,
        "cache_subset_subtracted": true,
        "duplicate_snapshot_not_added": true,
        "tool_output_count_preserved": true,
        "largest_output_bytes_correct": true,
        "repeated_call_count_correct": true
      },
      "critical_error_body_preserved": false,
      "critical_error_metadata_in_top15": true
    },
    {
      "case": "crowded",
      "fixture_sha256": "8a0f47c9adb70fc458825851862d0ab710a9b84ab1981225d6cf106451154751",
      "raw_log_text_tokens": 19621,
      "evidence_markdown_text_tokens": 816,
      "skill_plus_evidence_text_tokens": 1467,
      "skill_references_evidence_text_tokens": 4122,
      "targeted_usage_only_text_tokens": 40,
      "summary_reduction_percent": 95.84,
      "metadata_checks": {
        "provider_counters_preserved": true,
        "cache_subset_subtracted": true,
        "duplicate_snapshot_not_added": true,
        "tool_output_count_preserved": true,
        "largest_output_bytes_correct": true,
        "repeated_call_count_correct": true
      },
      "critical_error_body_preserved": false,
      "critical_error_metadata_in_top15": false
    }
  ],
  "limitations": [
    "Synthetic repetitive data; not a production workload distribution.",
    "Metadata assertions are not model task-quality evaluations.",
    "Bodies and smaller observations are intentionally omitted.",
    "No framing, history replay, audit reasoning, retries or validation costs measured.",
    "Reference loading may be conditional; both overhead scenarios are reported.",
    "Targeted usage projection answers a narrower question than the full audit."
  ]
}