Refresh SPC outlook definition sources

internal/briefing/spc_convective_outlook_definitions.go

@@ -17,11 +17,29 @@ func mustLoadSPCOutlookBackgroundDefinitions() map[string]SPCOutlookBackgroundDe
 	if err != nil {
 		panic(fmt.Sprintf("read embedded SPC outlook definitions: %v", err))
 	}
-	var definitions map[string]SPCOutlookBackgroundDefinition
-	if err := json.Unmarshal(data, &definitions); err != nil {
+	var asset spcOutlookBackgroundDefinitionAsset
+	if err := json.Unmarshal(data, &asset); err != nil {
 		panic(fmt.Sprintf("decode embedded SPC outlook definitions: %v", err))
 	}
-	return definitions
+	return asset.Definitions
+}
+
+type spcOutlookBackgroundDefinitionAsset struct {
+	Provenance  spcOutlookDefinitionProvenance            `json:"provenance"`
+	Definitions map[string]SPCOutlookBackgroundDefinition `json:"definitions"`
+}
+
+type spcOutlookDefinitionProvenance struct {
+	Sources        []spcOutlookDefinitionSource `json:"sources"`
+	ReviewedOn     string                       `json:"reviewed_on"`
+	ReviewOwner    string                       `json:"review_owner"`
+	ReviewSchedule string                       `json:"review_schedule"`
+}
+
+type spcOutlookDefinitionSource struct {
+	URL       string `json:"url"`
+	UpdatedOn string `json:"updated_on"`
+	AppliesTo string `json:"applies_to"`
 }
 
 func spcOutlookBackgroundDefinition(outlookType string, label string) *SPCOutlookBackgroundDefinition {