Function validateDateFormat

pkg/github/projects.go:1247–1252

validateDateFormat checks that a date string is in YYYY-MM-DD format.

(value, fieldName string)

// validateDateFormat checks that a date string is in YYYY-MM-DD format.
func validateDateFormat(value, fieldName string) error {
	if _, err := time.Parse("2006-01-02", value); err != nil {
		return fmt.Errorf("invalid %s %q: must be YYYY-MM-DD format", fieldName, value)
	}
	return nil
}

// createProjectStatusUpdate creates a new status update for a project via GraphQL.
func createProjectStatusUpdate(ctx context.Context, gqlClient *githubv4.Client, owner, ownerType string, projectNumber int, body, status, startDate, targetDate string) (*mcp.CallToolResult, any, error) {