{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://itworx.local/pulse/specs/task-ledger.schema.json",
  "type": "object",
  "required": [
    "schemaVersion",
    "project",
    "tasks"
  ],
  "properties": {
    "schemaVersion": {
      "type": "integer",
      "const": 1
    },
    "project": {
      "type": "string"
    },
    "tasks": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "id",
          "milestone",
          "title",
          "objective",
          "dependsOn",
          "deliverables",
          "acceptanceChecks",
          "evidenceRequired",
          "status"
        ],
        "properties": {
          "id": {
            "type": "string",
            "pattern": "^M[0-9]+-[0-9]{2}$"
          },
          "milestone": {
            "type": "string",
            "pattern": "^M[0-9]+$"
          },
          "title": {
            "type": "string"
          },
          "objective": {
            "type": "string"
          },
          "dependsOn": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "deliverables": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "acceptanceChecks": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "evidenceRequired": {
            "type": "boolean"
          },
          "status": {
            "type": "string",
            "enum": [
              "not_started",
              "in_progress",
              "done",
              "blocked",
              "deferred"
            ]
          },
          "evidence": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "blocker": {
            "type": [
              "string",
              "null"
            ]
          }
        }
      }
    }
  }
}