{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://boat.local/quant60/schemas/target.schema.json",
  "title": "Quant60 target-position record",
  "description": "A portfolio decision produced from signals. It is not proof of an order or fill.",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema_version",
    "run_id",
    "decision_id",
    "as_of",
    "symbol",
    "target_weight",
    "target_quantity",
    "config_hash"
  ],
  "properties": {
    "schema_version": {
      "const": "1.0"
    },
    "run_id": {
      "type": "string",
      "minLength": 1
    },
    "decision_id": {
      "type": "string",
      "minLength": 1
    },
    "as_of": {
      "type": "string",
      "format": "date-time"
    },
    "symbol": {
      "$ref": "#/$defs/canonical_symbol"
    },
    "target_weight": {
      "type": "number",
      "minimum": 0,
      "maximum": 1
    },
    "target_quantity": {
      "type": "integer",
      "minimum": 0
    },
    "lot_size": {
      "type": "integer",
      "minimum": 1,
      "default": 100
    },
    "signal_id": {
      "type": [
        "string",
        "null"
      ]
    },
    "constraint_state": {
      "type": "string",
      "enum": [
        "FEASIBLE",
        "REPAIRED",
        "RISK_REDUCTION_ONLY",
        "NO_TRADE"
      ]
    },
    "config_hash": {
      "type": "string",
      "minLength": 1
    },
    "metadata": {
      "type": "object"
    }
  },
  "$defs": {
    "canonical_symbol": {
      "type": "string",
      "pattern": "^[0-9]{6}\\.(XSHG|XSHE|XBSE)$"
    }
  }
}