{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://kb.local/wire/v1/chunk_inspection.schema.json",
  "title": "ChunkInspection v1",
  "description": "Stub schema — declares the schema_version label and the required fields per design §2.6.",
  "type": "object",
  "required": [
    "schema_version",
    "chunk_id",
    "doc_id",
    "doc_path",
    "heading_path",
    "text",
    "source_spans",
    "block_ids",
    "token_estimate",
    "chunker_version"
  ],
  "properties": {
    "schema_version":  { "const": "chunk_inspection.v1" },
    "chunk_id":        { "type": "string" },
    "doc_id":          { "type": "string" },
    "doc_path":        { "type": "string" },
    "heading_path":    { "type": "array", "items": { "type": "string" } },
    "text":            { "type": "string" },
    "source_spans":    { "type": "array" },
    "block_ids":       { "type": "array", "items": { "type": "string" } },
    "token_estimate":  { "type": "integer", "minimum": 0 },
    "chunker_version": { "type": "string" },
    "embeddings":      { "type": "array" }
  }
}