Standard error response
{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/ErrorResponse", "title": "ErrorResponse", "type": "object", "description": "Standard error response", "properties": { "error": { "type": "string", "description": "Error type identifier", "example": "invalid_request" }, "message": { "type": "string", "description": "Human-readable error message", "example": "The category_id parameter is required" }, "status": { "type": "integer", "description": "HTTP status code", "example": 400 }, "request_id": { "type": "string", "description": "Unique request identifier for troubleshooting", "example": "req-a1b2c3d4" } } }