support unmarshaling from []byte

clocktime.go

@@ -88,7 +88,7 @@ func (t ClockTime) After(other ClockTime) bool {
 
 // MarshalJSON implements the json.Marshaler interface for ClockTime.
 func (t ClockTime) MarshalJSON() ([]byte, error) {
-	return json.Marshal(t.String())
+	return json.Marshal("\"" + t.String() + "\"")
 }
 
 // UnmarshalJSON implements the json.Unmarshaler interface for ClockTime.
@@ -107,7 +107,7 @@ func (t *ClockTime) UnmarshalJSON(data []byte) error {
 
 // MarshalGQL implements the graphql.Marshaler interface for ClockTime.
 func (t ClockTime) MarshalGQL(w io.Writer) {
-	fmt.Fprint(w, t.String())
+	fmt.Fprint(w, "\""+t.String()+"\"")
 }
 
 // UnmarshalGQL implements the graphql.Unmarshaler interface for ClockTime.
@@ -135,15 +135,25 @@ func (t ClockTime) Value() (driver.Value, error) {
 }
 
 // Scan implements the database/sql.Scanner interface for ClockTime.
+// Supports scanning from time.Time or []byte.
 func (t *ClockTime) Scan(value any) error {
 	if value == nil {
 		*t = ClockTime{}
 		return nil
 	}
-	rawTime, ok := value.(time.Time)
-	if !ok {
-		return fmt.Errorf("ClockTime must be a time.Time, got %T", value)
+
+	switch v := value.(type) {
+	case time.Time:
+		*t = ClockTimeFromTime(v)
+	case []byte:
+		parsedTime, err := ClockTimeFromString(string(v))
+		if err != nil {
+			return fmt.Errorf("failed to parse ClockTime from string: %w", err)
 		}
-	*t = ClockTimeFromTime(rawTime)
+		*t = parsedTime
+	default:
+		return fmt.Errorf("ClockTime.Scan: unsupported type %T", value)
+	}
+
 	return nil
 }