{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://github.com/GreenLv/dsh-session-insights/blob/main/docs/schema/report-v1.schema.json",
  "title": "dsh-session-insights report schema v1",
  "type": "object",
  "additionalProperties": true,
  "required": [
    "schema", "schema_version", "analyzer_version", "product", "runtime", "generated_at",
    "scope", "coverage", "totals", "measurement_contract", "projects", "task_families",
    "session_summaries", "excerpts", "warnings"
  ],
  "properties": {
    "schema": {"const": "dsh-session-insights/1"},
    "schema_version": {"const": 1},
    "product": {"const": "dsh-session-insights"},
    "runtime": {"const": "dsh"},
    "generated_at": {"type": "string", "format": "date-time"},
    "scope": {
      "type": "object",
      "required": ["runtime", "privacy_mode", "analysis_privacy_mode", "analysis_depth"],
      "properties": {
        "runtime": {"const": "dsh"},
        "privacy_mode": {"enum": ["metrics_only", "redacted_sample", "local_content"]},
        "analysis_privacy_mode": {"enum": ["metrics", "redacted", "local"]},
        "analysis_depth": {"enum": ["conversation", "evidence"]},
        "locale": {"enum": ["zh-CN", "en"]}
      }
    },
    "coverage": {"type": "object"},
    "totals": {
      "type": "object",
      "required": ["sessions", "turns", "tool_calls", "tokens"],
      "properties": {
        "sessions": {"type": "integer", "minimum": 0},
        "turns": {"type": "integer", "minimum": 0},
        "tool_calls": {"type": "integer", "minimum": 0},
        "tokens": {
          "type": "object",
          "required": ["uncached_input_tokens", "cached_input_tokens", "output_tokens", "total_tokens"],
          "additionalProperties": {"type": "integer", "minimum": 0}
        }
      }
    },
    "projects": {"type": "array"},
    "task_families": {"type": "array"},
    "session_summaries": {"type": "array"},
    "excerpts": {"type": "array"},
    "warnings": {"type": "array", "items": {"type": "string"}},
    "semantic_analysis": {"type": "object"},
    "semantic_evidence": {"type": "array"},
    "semantic_facets": {"type": "array"}
  }
}