{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://schemas.agoragentic.com/ecf-core/context-compaction-report.v1.json",
  "title": "ECF Core Context Compaction Report",
  "type": "object",
  "required": [
    "schema_version",
    "strategy",
    "dependency_status",
    "input_source_count",
    "evidence_unit_count",
    "duplicate_claim_count",
    "compression_ratio",
    "citation_survival",
    "retrieval_preservation",
    "verdict"
  ],
  "additionalProperties": false,
  "properties": {
    "schema_version": { "const": "ecf-core.context-compaction-report.v1" },
    "strategy": { "const": "deterministic_context_evidence_units" },
    "dependency_status": { "const": "baseline_only" },
    "input_source_count": { "type": "integer", "minimum": 0 },
    "evidence_unit_count": { "type": "integer", "minimum": 0 },
    "duplicate_claim_count": { "type": "integer", "minimum": 0 },
    "duplicate_claim_groups": { "type": "array", "items": { "type": "object", "additionalProperties": true } },
    "repeated_boilerplate_count": { "type": "integer", "minimum": 0 },
    "compression_ratio": { "type": "number", "minimum": 0 },
    "citation_survival": { "type": "number", "minimum": 0, "maximum": 1 },
    "retrieval_preservation": {
      "type": "object",
      "required": ["top_k", "average_preservation", "queries"],
      "additionalProperties": true,
      "properties": {
        "top_k": { "type": "integer", "minimum": 1 },
        "average_preservation": { "type": "number", "minimum": 0, "maximum": 1 },
        "queries": { "type": "array", "items": { "type": "object", "additionalProperties": true } }
      }
    },
    "verdict": { "enum": ["pass", "review"] }
  }
}