update: removed const modifier on token value

following steps on the parsing process can change its content

src/parser/lexer.c

@@ -6,7 +6,7 @@
 /*   By: sede-san <sede-san@student.42madrid.com    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2026/02/09 18:56:41 by sede-san          #+#    #+#             */
-/*   Updated: 2026/02/10 08:40:13 by sede-san         ###   ########.fr       */
+/*   Updated: 2026/02/10 09:11:23 by sede-san         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -15,7 +15,7 @@
 
 static t_token *tokenize(const char *line, size_t *start);
 static t_token_type get_token_type(const char *str);
-static t_token *token_new(t_token_type type, const char *text);
+static t_token *token_new(t_token_type type, char *text);
 static void token_clear(t_token *token);
 static t_token *read_token(t_token_type type, const char *line, size_t *i);
 static t_token *read_word(const char *line, size_t *i);
@@ -97,14 +97,13 @@ static t_token_type get_token_type(
 
 static t_token *token_new(
 	t_token_type type,
-	const char *text)
+	char *text)
 {
 	t_token *token;
 
 	token = (t_token *)malloc(sizeof(t_token));
 	if (token == NULL)
 		return (NULL);
-	ft_putendl("malloc");
 	token->type = type;
 	token->value = text;
 	if (token->type == TOKEN_WORD && token->value == NULL)
@@ -120,13 +119,8 @@ static void token_clear(
 {
 	if (token != NULL)
 	{
-		if (token->value != NULL)
-		{
-			free(token->value);
-			ft_putendl("free");
-		}
+		free(token->value);
 		free(token);
-		ft_putendl("free");
 	}
 }
 
@@ -135,9 +129,15 @@ static t_token *read_token(
 	const char *line,
 	size_t *i)
 {
-	while (ft_isspace(line[*i]) || is_meta(line[*i]))
+	const size_t	start = *i;
+	size_t 			end;
+
+	while (is_meta(line[*i]))
 		(*i)++;
-	return (token_new(type, NULL));
+	end = *i;
+	while (ft_isspace(line[*i]))
+		(*i)++;
+	return (token_new(type, ft_substr(line, start, end - start)));
 }
 
 static t_token *read_word(