{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://openship.dev/schemas/systems.schema.json",
  "title": "OpenShip Systems v1",
  "type": "object",
  "required": ["openship", "capability", "source", "system"],
  "properties": {
    "openship": { "const": "1.0" },
    "capability": { "const": "systems" },
    "source": {
      "type": "object",
      "required": ["manifest", "bundle"],
      "properties": {
        "manifest": { "$ref": "sources-manifest.schema.json" },
        "bundle": { "$ref": "sources-bundle.schema.json" }
      },
      "additionalProperties": true
    },
    "system": {
      "type": "object",
      "required": ["id", "name", "rootNodeId", "nodes", "edges"],
      "properties": {
        "id": { "$ref": "#/$defs/id" },
        "name": { "type": "string", "minLength": 1 },
        "rootNodeId": { "$ref": "#/$defs/id" },
        "metadata": { "type": "object", "additionalProperties": true },
        "nodes": { "type": "array", "minItems": 1, "items": { "$ref": "#/$defs/node" } },
        "edges": { "type": "array", "items": { "$ref": "#/$defs/edge" } },
        "context": { "$ref": "#/$defs/context" }
      },
      "additionalProperties": true
    }
  },
  "$defs": {
    "id": { "type": "string", "pattern": "^[A-Za-z0-9._:-]+$" },
    "digest": { "type": "string", "pattern": "^sha256:[0-9a-f]{64}$" },
    "ownership": { "enum": ["first_party", "third_party"] },
    "node": {
      "type": "object",
      "required": ["id", "kind", "name", "metadata"],
      "properties": {
        "id": { "$ref": "#/$defs/id" },
        "kind": { "enum": ["Root", "Host", "Container", "Process", "Library"] },
        "name": { "type": "string", "minLength": 1 },
        "parentId": { "$ref": "#/$defs/id" },
        "sourceSelectors": { "type": "array", "items": { "type": "string", "minLength": 1 }, "uniqueItems": true },
        "metadata": {
          "type": "object",
          "required": ["ownership"],
          "properties": {
            "ownership": { "$ref": "#/$defs/ownership" }
          },
          "additionalProperties": true
        }
      },
      "additionalProperties": true
    },
    "edge": {
      "type": "object",
      "required": ["id", "type", "fromNodeId", "toNodeId"],
      "properties": {
        "id": { "$ref": "#/$defs/id" },
        "type": { "enum": ["Runtime", "Dataflow", "Dependency"] },
        "fromNodeId": { "$ref": "#/$defs/id" },
        "toNodeId": { "$ref": "#/$defs/id" },
        "metadata": { "type": "object", "additionalProperties": true }
      },
      "additionalProperties": true
    },
    "document": {
      "type": "object",
      "required": ["kind", "hash", "title", "language", "text"],
      "properties": {
        "kind": { "enum": ["Document", "Skill", "Prompt"] },
        "hash": { "$ref": "#/$defs/digest" },
        "title": { "type": "string", "minLength": 1 },
        "language": { "type": "string", "minLength": 1 },
        "text": { "type": "string" },
        "supersedes": { "$ref": "#/$defs/digest" }
      },
      "additionalProperties": true
    },
    "matrix": {
      "type": "object",
      "required": ["nodeId", "concern"],
      "properties": {
        "nodeId": { "$ref": "#/$defs/id" },
        "concern": { "type": "string", "minLength": 1 },
        "documentRefs": { "type": "array", "items": { "$ref": "#/$defs/digest" }, "uniqueItems": true },
        "skillRefs": { "type": "array", "items": { "$ref": "#/$defs/digest" }, "uniqueItems": true }
      },
      "additionalProperties": true
    },
    "artifact": {
      "type": "object",
      "required": ["id", "nodeId", "concern", "type"],
      "properties": {
        "id": { "$ref": "#/$defs/id" },
        "nodeId": { "$ref": "#/$defs/id" },
        "concern": { "type": "string", "minLength": 1 },
        "type": { "enum": ["Summary", "Docs", "Code"] },
        "language": { "type": "string" },
        "text": { "type": "string" },
        "sourcePaths": { "type": "array", "items": { "type": "string" }, "uniqueItems": true }
      },
      "additionalProperties": true
    },
    "context": {
      "type": "object",
      "properties": {
        "concerns": { "type": "array", "items": { "type": "string", "minLength": 1 }, "uniqueItems": true },
        "documents": { "type": "array", "items": { "$ref": "#/$defs/document" } },
        "matrix": { "type": "array", "items": { "$ref": "#/$defs/matrix" } },
        "systemPromptRefs": { "type": "array", "items": { "$ref": "#/$defs/digest" }, "uniqueItems": true },
        "artifacts": { "type": "array", "items": { "$ref": "#/$defs/artifact" } }
      },
      "additionalProperties": true
    }
  },
  "additionalProperties": true
}