{
  "schema_name": "stats_summary_json",
  "schema_version": 1,
  "artifact": "stats/summary.json",
  "format": "json",
  "description": "Top-level dataset statistics used by the dataset card. Dataset scale counts the released sample set once; storage is reported separately by media resolution.",
  "source_artifacts": [
    "manifest.parquet",
    "round_index.parquet",
    "match_index.parquet",
    "sample_index.parquet",
    "shards_manifest_720p.json",
    "shards_manifest_360p.json",
    "stats/media.json",
    "stats/rounds.json",
    "stats/quality.json"
  ],
  "fields": [
    {
      "name": "schema_version",
      "json_type": "integer",
      "value": 1
    },
    {
      "name": "generated_at_utc",
      "json_type": "string"
    },
    {
      "name": "dataset_name",
      "json_type": "string"
    },
    {
      "name": "release_version",
      "json_type": "string"
    },
    {
      "name": "postprocess_version",
      "json_type": "string"
    },
    {
      "name": "dataset_scale",
      "json_type": "object",
      "description": "Dataset-level counts over released POV samples, counted once and not duplicated by 720p/360p media variants."
    },
    {
      "name": "completeness",
      "json_type": "object"
    },
    {
      "name": "media_variants",
      "json_type": "object"
    },
    {
      "name": "storage_by_resolution",
      "json_type": "object"
    },
    {
      "name": "splits",
      "json_type": "object"
    },
    {
      "name": "schema_versions",
      "json_type": "object"
    },
    {
      "name": "details",
      "json_type": "object",
      "description": "Relative paths to deeper stats files."
    }
  ],
  "dataset_scale": {
    "required_fields": [
      "total_hours",
      "total_samples",
      "total_matches",
      "total_rounds",
      "total_frames",
      "fps",
      "tick_rate"
    ],
    "definitions": {
      "total_frames": "sum(manifest.frames)",
      "total_hours": "sum(manifest.duration_s) / 3600",
      "total_samples": "row count of manifest.parquet",
      "total_matches": "row count of match_index.parquet",
      "total_rounds": "row count of round_index.parquet"
    }
  },
  "completeness": {
    "required_fields": [
      "expected_povs_per_round",
      "complete_10_pov_rounds",
      "incomplete_rounds",
      "matches_with_10_povs",
      "matches_with_less_than_10_povs",
      "matches_with_any_incomplete_round",
      "round_pov_count_histogram",
      "per_match_mean_povs_per_round"
    ],
    "definitions": {
      "expected_povs_per_round": "10 for CounterStrike-1K v1 public release.",
      "round_pov_count_histogram": "Histogram of round_index.pov_count after release filtering; keys are stringified POV counts.",
      "per_match_mean_povs_per_round": "Distribution over matches of mean(round_index.pov_count) within each match-map demo."
    }
  },
  "media_variants": {
    "required_keys": [
      "720p",
      "360p"
    ],
    "required_fields_per_variant": [
      "role",
      "video_width",
      "video_height"
    ]
  },
  "storage_by_resolution_entry": {
    "required_fields": [
      "shards",
      "shard_bytes"
    ]
  },
  "split_entry": {
    "required_fields": [
      "samples",
      "matches",
      "rounds",
      "hours",
      "frames"
    ]
  },
  "schema_versions": {
    "required_fields": [
      "sample_metadata",
      "actions_bin",
      "state_bin",
      "events",
      "manifest",
      "round_index",
      "sample_index",
      "match_index"
    ]
  },
  "details": {
    "required_fields": [
      "maps",
      "rounds",
      "weapons",
      "events",
      "media",
      "quality",
      "release_environment"
    ]
  },
  "validation": [
    "dataset_name == CounterStrike-1K",
    "dataset_scale.total_frames == sum(manifest.frames)",
    "dataset_scale.total_hours == sum(manifest.duration_s) / 3600",
    "dataset_scale.fps == 32",
    "dataset_scale.tick_rate == 64",
    "completeness.incomplete_rounds == 0",
    "completeness.matches_with_less_than_10_povs == 0",
    "completeness.matches_with_any_incomplete_round == 0",
    "completeness.expected_povs_per_round == 10",
    "completeness.round_pov_count_histogram has only key 10 after release filtering",
    "completeness.per_match_mean_povs_per_round.min == 10",
    "completeness.per_match_mean_povs_per_round.max == 10",
    "media_variants.720p.role == canonical_render",
    "media_variants.360p.role == training_convenience_derivative",
    "media_variants.360p.derived_from == 720p",
    "storage_by_resolution has one entry for each released media variant",
    "splits contain train, val, and test",
    "schema_versions match schema/*.json"
  ]
}