{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://kb.local/wire/v1/ingest_report.schema.json",
  "title": "IngestReport v1",
  "description": "Stub schema — declares the schema_version label and the required fields per design §2.4.",
  "type": "object",
  "required": [
    "schema_version",
    "scope",
    "scanned",
    "new",
    "updated",
    "skipped",
    "unchanged",
    "errors",
    "duration_ms"
  ],
  "properties": {
    "schema_version": { "const": "ingest_report.v1" },
    "scope":          { "type": "object" },
    "scanned":        { "type": "integer", "minimum": 0 },
    "new":            { "type": "integer", "minimum": 0 },
    "updated":        { "type": "integer", "minimum": 0 },
    "skipped":        { "type": "integer", "minimum": 0 },
    "unchanged": {
      "type": "integer",
      "minimum": 0,
      "description": "p9-fb-23: assets whose checksum + parser_version + chunker_version + embedding_version all matched the existing record. Parse / chunk / embed / vector upsert all skipped."
    },
    "errors":         { "type": "integer", "minimum": 0 },
    "duration_ms":    { "type": "integer", "minimum": 0 },
    "items":          { "type": ["array", "null"] }
  }
}