feat: change email, export my data, delete account (with data anonymization)

internal/domain/audit/auditOwnership.go

@@ -0,0 +1,19 @@
+package audit
+
+import "strconv"
+
+func (e Event) ConcernsOtherPerson(userID uint32, ownAuthorID *uint32) bool {
+	switch e.Target.Type {
+	case TargetUser:
+		return e.Target.ID != formatID(userID)
+	case TargetInvite:
+		return true
+	case TargetAuthor:
+		return ownAuthorID == nil || e.Target.ID != formatID(*ownAuthorID)
+	}
+	return false
+}
+
+func formatID(id uint32) string {
+	return strconv.FormatUint(uint64(id), 10)
+}