{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "aps://shared/scheduling_solution",
  "title": "SchedulingSolution",
  "description": "中性排产解 DTO：外部算法 skill 出参，适配器写回 world。",
  "type": "object",
  "required": ["problemId", "runId", "operations"],
  "properties": {
    "schemaVersion": { "type": "string", "default": "1.1", "description": "契约版本（M-D 契约版本化）" },
    "problemId": { "type": "string" },
    "runId": { "type": "string" },
    "skillId": { "type": "string" },
    "status": {
      "type": "string",
      "enum": ["OPTIMAL", "FEASIBLE", "INFEASIBLE"],
      "default": "FEASIBLE"
    },
    "operations": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["orderId", "seq", "operationCode", "resourceCode", "start", "end"],
        "properties": {
          "orderId": { "type": "string" },
          "seq": { "type": "integer" },
          "operationCode": { "type": "string" },
          "operationName": { "type": "string" },
          "resourceCode": { "type": "string" },
          "start": { "type": "string" },
          "end": { "type": "string" },
          "runMin": { "type": "number", "default": 0 }
        }
      }
    },
    "conflicts": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "type": { "type": "string" },
          "orderId": { "type": ["string", "null"] },
          "description": { "type": "string" },
          "severity": { "type": "string" }
        }
      }
    },
    "kpi": { "type": "object" },
    "solverMeta": { "type": "object" }
  }
}