{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://stellaops.local/graph/analytics-result.schema.json",
  "title": "Graph Analytics Result",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schemaVersion",
    "algorithmVersion",
    "analysisId",
    "tenant",
    "inputs",
    "seed",
    "rerunHash",
    "metrics",
    "result",
    "createdAt"
  ],
  "properties": {
    "schemaVersion": { "type": "string", "pattern": "^1\\.\\d+\\.\\d+$" },
    "algorithmVersion": { "type": "string", "pattern": "^\\d+\\.\\d+\\.\\d+$" },
    "changeLogUrl": { "type": "string", "format": "uri" },
    "analysisId": { "type": "string", "minLength": 1 },
    "tenant": { "type": "string", "minLength": 1 },
    "inputs": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "snapshotIds": { "type": "array", "items": { "type": "string" }, "uniqueItems": true },
        "filters": { "type": "object" },
        "datasetHash": { "type": "string", "pattern": "^sha256:[A-Fa-f0-9]{64}$" }
      }
    },
    "seed": { "type": "integer", "minimum": 0 },
    "parameters": { "type": "object" },
    "rerunHash": { "type": "string", "pattern": "^[a-f0-9]{64}$" },
    "metrics": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "durationSeconds": { "type": "number", "minimum": 0 },
        "budgetSeconds": { "type": "number", "minimum": 0 },
        "maxNodes": { "type": "integer", "minimum": 0 },
        "maxEdges": { "type": "integer", "minimum": 0 },
        "nodesProcessed": { "type": "integer", "minimum": 0 },
        "edgesProcessed": { "type": "integer", "minimum": 0 },
        "status": { "type": "string", "enum": ["ok", "budget_exceeded", "failed"] }
      },
      "required": ["durationSeconds", "budgetSeconds", "status"]
    },
    "result": {
      "type": "object",
      "description": "Algorithm-specific payload (centrality, community detection, reachability, etc.).",
      "additionalProperties": true
    },
    "provenance": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "inputsHash": { "type": "string", "pattern": "^sha256:[A-Fa-f0-9]{64}$" },
        "resultHash": { "type": "string", "pattern": "^sha256:[A-Fa-f0-9]{64}$" },
        "manifestHash": { "type": "string", "pattern": "^sha256:[A-Fa-f0-9]{64}$" }
      }
    },
    "redactions": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "field": { "type": "string" },
          "reason": { "type": "string" },
          "policy": { "type": "string" }
        },
        "required": ["field", "reason"]
      }
    },
    "createdAt": { "type": "string", "format": "date-time" }
  }
}