feat: gamemaster

lobby/internal/domain/game/model.go

@@ -7,9 +7,9 @@ import (
 	"strings"
 	"time"
 
+	"galaxy/cronutil"
 	"galaxy/lobby/internal/domain/common"
 
-	cron "github.com/robfig/cron/v3"
 	"golang.org/x/mod/semver"
 )
 
@@ -213,12 +213,6 @@ type NewGameInput struct {
 	Now time.Time
 }
 
-// standardCronParser parses the frozen five-field cron expression grammar
-// used by turn_schedule.
-var standardCronParser = cron.NewParser(
-	cron.Minute | cron.Hour | cron.Dom | cron.Month | cron.Dow,
-)
-
 // New validates input and returns a draft Game record. Validation errors
 // are returned verbatim so callers can surface them as invalid_request.
 func New(input NewGameInput) (Game, error) {
@@ -401,7 +395,7 @@ func validateCronExpression(value string) error {
 	if strings.TrimSpace(value) == "" {
 		return fmt.Errorf("turn schedule must not be empty")
 	}
-	if _, err := standardCronParser.Parse(value); err != nil {
+	if _, err := cronutil.Parse(value); err != nil {
 		return fmt.Errorf("turn schedule must be a valid five-field cron expression: %w", err)
 	}
 	return nil