feat(API): media field type

internal/infrastructure/useCases/siteImageUsage.go

@@ -19,7 +19,7 @@ func siteImageUsage(sites site.Repository) (map[uint32]int, error) {
 	return usage, nil
 }
 
-func imageUsageCount(sites site.Repository, authors author.Repository) (map[uint32]int, error) {
+func imageUsageCount(sites site.Repository, authors author.Repository, entries *entryMediaScanner) (map[uint32]int, error) {
 	usage, err := siteImageUsage(sites)
 	if err != nil {
 		return nil, err
@@ -31,5 +31,12 @@ func imageUsageCount(sites site.Repository, authors author.Repository) (map[uint
 	for imageID, total := range avatars {
 		usage[imageID] += total
 	}
+	entryCounts, err := entries.usageCounts()
+	if err != nil {
+		return nil, err
+	}
+	for imageID, total := range entryCounts {
+		usage[imageID] += total
+	}
 	return usage, nil
 }