brief

type Brief struct {
	GeneratedAt   time.Time         `json:"generated_at"`
	Days          int               `json:"days"`
	Visitors      int               `json:"visitors"`
	Events        int               `json:"events"`
	PriorVisitors int               `json:"prior_visitors"`
	PriorEvents   int               `json:"prior_events"`
	Sites         []SiteLine        `json:"sites,omitempty"`
	Findings      []insight.Finding `json:"findings"`
	// Investigation is the PM half: conclusions, each with a size, a cause and a next move,
	// ranked so the most expensive thing leads.
	//
	// The pulse above tells you traffic moved. That is the raw material a PM would then spend a
	// morning slicing. This is the slicing, already done — which is the difference between a
	// digest someone skims and one they act on.
	Investigation investigate.Investigation `json:"investigation"`
}

type Context struct {
	Flags   []flag.Flag
	Deploys []deploys.Deploy
	Acted   func(string) (time.Time, bool)
	// Planned is the tracking-plan lookup. Without it the emailed brief would report
	// "checkout fell 100%" about the very event the dashboard is calling a tracking break —
	// the same split this type was created to close, one finding kind later.
	Planned investigate.PlanLookup
}

type SiteLine struct {
	Site          string `json:"site"`
	Visitors      int    `json:"visitors"`
	Events        int    `json:"events"`
	PriorVisitors int    `json:"prior_visitors"`
	PriorEvents   int    `json:"prior_events"`
}