{
	"type": "fishbone",
	"title": "Why checkout is slow",
	"effect": "p95 checkout > 2s",
	"categories": [
		{
			"label": "Database",
			"focal": true,
			"causes": [
				"N+1 on line items",
				"missing index",
				"lock waits"
			]
		},
		{
			"label": "Network",
			"causes": [
				"cross-region calls",
				"TLS per request"
			]
		},
		{
			"label": "Code",
			"causes": [
				"sync fraud check",
				"large JSON payload"
			]
		},
		{
			"label": "Third parties",
			"causes": [
				"tax API timeouts",
				"retry storms"
			]
		}
	]
}