model

type Event struct {
	// EventID is the upstream unique id — the dedup and diagnostics anchor.
	EventID   string `json:"event_id"`
	EventType string `json:"event_type"`
	// SourceTime is the upstream create_time. When the upstream omits it, it
	// stays visibly empty — it is never backfilled from a local clock.
	SourceTime string `json:"source_time,omitempty"`
	// AppID and TenantKey identify the tenant the event was delivered for,
	// as parsed from the envelope header at ingress.
	AppID     string          `json:"app_id,omitempty"`
	TenantKey string          `json:"tenant_key,omitempty"`
	Payload   json.RawMessage `json:"payload"`
	// Timestamp is the local observation clock at ingress. SourceTime and
	// Timestamp are two different facts and never substitute for each other.
	Timestamp time.Time `json:"timestamp"`
}