{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://x07.io/spec/x07-arch.tasks.index.schema.json",
  "title": "x07.arch.tasks.index@0.1.0",
  "type": "object",
  "additionalProperties": false,
  "required": ["schema_version", "tasks"],
  "properties": {
    "schema_version": { "const": "x07.arch.tasks.index@0.1.0" },
    "tasks": {
      "type": "array",
      "default": [],
      "items": { "$ref": "#/$defs/task" }
    }
  },
  "$defs": {
    "task": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "fn", "deps", "policy"],
      "properties": {
        "id": { "type": "string", "minLength": 1, "maxLength": 2048 },
        "fn": { "type": "string", "minLength": 1, "maxLength": 2048 },
        "deps": {
          "type": "array",
          "default": [],
          "items": { "type": "string", "minLength": 1, "maxLength": 2048 }
        },
        "policy": { "$ref": "#/$defs/policy" }
      }
    },
    "policy": {
      "type": "object",
      "additionalProperties": false,
      "required": ["criticality", "on_failure"],
      "properties": {
        "criticality": { "type": "string", "enum": ["critical_v1", "optional_v1"] },
        "on_failure": {
          "type": "string",
          "enum": ["fail_fast_v1", "skip_v1", "retry_bounded_v1"]
        },
        "retry_max": { "type": "integer", "minimum": 0 }
      }
    }
  }
}