{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://oods-foundry.com/schemas/object-hub.schema.json",
  "title": "OODS Object Import Hub",
  "description": "JSON Schema 2020-12 with explicit OODS annotations. Object YAML remains the accepted canonical record.",
  "type": "object",
  "required": ["$schema", "$defs", "x-oods"],
  "properties": {
    "$schema": { "const": "https://json-schema.org/draft/2020-12/schema" },
    "$defs": { "type": "object", "additionalProperties": { "$ref": "#/$defs/schema" } },
    "x-oods": { "$ref": "#/$defs/annotations" }
  },
  "additionalProperties": true,
  "$defs": {
    "origin": {
      "type": "object", "required": ["file", "pointer"],
      "properties": { "file": { "type": "string" }, "pointer": { "type": "string", "pattern": "^(/|$)" } },
      "additionalProperties": false
    },
    "annotations": {
      "type": "object",
      "properties": {
        "version": { "const": 1 },
        "relationships": {
          "type": "array", "items": {
            "type": "object", "required": ["target", "via", "cardinality", "label"],
            "properties": {
              "target": { "type": "string" }, "via": { "type": "string" }, "label": { "type": "string" },
              "cardinality": { "enum": ["one-to-one", "one-to-many", "many-to-one", "many-to-many"] }
            }, "additionalProperties": false
          }
        },
        "enumLabels": { "type": "object", "additionalProperties": { "type": "string" } },
        "localeLabels": { "type": "object", "additionalProperties": { "type": "object", "additionalProperties": { "type": "string" } } },
        "currency": { "type": "object", "required": ["field"], "properties": { "field": { "type": "string" }, "minorUnits": { "type": "integer", "minimum": 1 } }, "additionalProperties": false },
        "unit": { "type": "object", "properties": { "field": { "type": "string" }, "symbol": { "type": "string" } }, "additionalProperties": false },
        "lifecycle": { "type": "object", "properties": { "field": { "type": "string" }, "states": { "type": "array", "items": { "type": "string" } }, "initialState": { "type": "string" } }, "additionalProperties": false },
        "history": { "type": "object", "properties": { "field": { "type": "string" }, "timestampField": { "type": "string" } }, "additionalProperties": false },
        "traitProposals": {
          "type": "array", "items": {
            "type": "object", "required": ["name", "grade", "evidence"],
            "properties": {
              "name": { "type": "string" }, "parameters": { "type": "object" },
              "grade": { "enum": ["strong", "medium", "weak"] },
              "evidence": { "type": "array", "minItems": 1, "items": { "type": "object", "required": ["file", "pointer", "reason"], "properties": { "file": { "type": "string" }, "pointer": { "type": "string" }, "reason": { "type": "string" }, "kind": { "enum": ["declaration", "structure", "name"] } }, "additionalProperties": false } }
            }, "additionalProperties": false
          }
        },
        "sources": { "type": "array", "items": { "type": "object", "required": ["file", "bytes", "sha256"], "properties": { "file": { "type": "string" }, "bytes": { "type": "integer", "minimum": 0 }, "sha256": { "type": "string", "pattern": "^[a-f0-9]{64}$" } }, "additionalProperties": false } },
        "provenance": { "type": "object", "additionalProperties": { "$ref": "#/$defs/origin" } },
        "sourceNames": { "type": "object", "additionalProperties": { "type": "string" } }
      }, "additionalProperties": false
    },
    "schema": {
      "anyOf": [
        { "type": "boolean" },
        { "type": "object", "properties": {
          "x-oods": { "$ref": "#/$defs/annotations" },
          "properties": { "type": "object", "additionalProperties": { "$ref": "#/$defs/schema" } },
          "$defs": { "type": "object", "additionalProperties": { "$ref": "#/$defs/schema" } },
          "items": { "$ref": "#/$defs/schema" },
          "additionalProperties": { "$ref": "#/$defs/schema" },
          "allOf": { "type": "array", "items": { "$ref": "#/$defs/schema" } },
          "oneOf": { "type": "array", "items": { "$ref": "#/$defs/schema" } },
          "anyOf": { "type": "array", "items": { "$ref": "#/$defs/schema" } }
        }, "additionalProperties": true }
      ]
    }
  }
}