{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "file-operations/artifact-generation/v1.0.0",
  "title": "Artifact Generation Schema",
  "description": "Schema for generating reports, logs, and metrics artifacts (Integration Point 2.11)",
  "type": "object",
  "required": ["artifact_id", "artifact_type", "name", "path", "timestamp", "metadata"],
  "properties": {
    "artifact_id": {
      "type": "string",
      "description": "Unique identifier for artifact",
      "pattern": "^artifact-[a-z0-9-]+$"
    },
    "artifact_type": {
      "type": "string",
      "enum": ["report", "log", "metric", "trace", "snapshot", "other"],
      "description": "Type of artifact"
    },
    "name": {
      "type": "string",
      "description": "Artifact name following naming convention",
      "pattern": "^[A-Z_0-9]+\\.(md|json|txt|log)$"
    },
    "path": {
      "type": "string",
      "description": "Absolute path to artifact file",
      "pattern": "^/(docs|planning|reports|logs)/.*"
    },
    "timestamp": {
      "type": "string",
      "format": "date-time",
      "description": "Generation timestamp"
    },
    "metadata": {
      "type": "object",
      "description": "Artifact metadata",
      "required": ["generated_by", "size_bytes"],
      "properties": {
        "generated_by": {
          "type": "string",
          "description": "Agent or service that generated artifact"
        },
        "task_id": {
          "type": "string",
          "description": "Associated task ID"
        },
        "size_bytes": {
          "type": "integer",
          "minimum": 0
        },
        "format": {
          "type": "string",
          "enum": ["markdown", "json", "text", "csv"]
        },
        "schema_version": {
          "type": "string",
          "pattern": "^\\d+\\.\\d+\\.\\d+$"
        }
      }
    },
    "lifecycle": {
      "type": "object",
      "description": "Artifact lifecycle management",
      "required": ["retention_policy"],
      "properties": {
        "retention_policy": {
          "type": "string",
          "enum": ["permanent", "30_days", "90_days", "1_year", "custom"]
        },
        "retention_days": {
          "type": "integer",
          "description": "Custom retention in days if policy is 'custom'",
          "minimum": 1
        },
        "auto_cleanup": {
          "type": "boolean",
          "default": true
        },
        "cleanup_after_date": {
          "type": "string",
          "format": "date-time",
          "description": "Cleanup scheduled date"
        }
      }
    },
    "registry": {
      "type": "object",
      "description": "Artifact registry information",
      "properties": {
        "registry_id": {
          "type": "string",
          "description": "Registry entry ID"
        },
        "category": {
          "type": "string",
          "description": "Artifact category in registry"
        },
        "tags": {
          "type": "array",
          "items": {
            "type": "string"
          }
        }
      }
    },
    "content_hash": {
      "type": "string",
      "description": "SHA-256 hash of artifact content",
      "pattern": "^[a-f0-9]{64}$"
    }
  },
  "additionalProperties": false,
  "examples": [
    {
      "artifact_id": "artifact-loop2-validation-001",
      "artifact_type": "report",
      "name": "SPRINT_7.3_LOOP2_VALIDATION.json",
      "path": "/home/user/claude-flow-novice/planning/phases/sprints/loops/loop2-validation/SPRINT_7.3_LOOP2_VALIDATION.json",
      "timestamp": "2025-11-17T10:30:00Z",
      "metadata": {
        "generated_by": "loop2-validator-001",
        "task_id": "task-auth-implementation",
        "size_bytes": 4096,
        "format": "json",
        "schema_version": "1.0.0"
      },
      "lifecycle": {
        "retention_policy": "permanent",
        "auto_cleanup": false
      },
      "registry": {
        "category": "loop2-validation",
        "tags": ["sprint-7.3", "validation", "consensus"]
      },
      "content_hash": "abc123def456..."
    }
  ]
}