fix: enhance pre_conditions formatting and improve comment extraction in IOP tests

            value = re.sub(r'\n\s*\.{3}\s*', ' ', doc_content[match.end():end])

            sections[key] = value.replace('\n', ' ').strip().rstrip('.')

        if 'pre_conditions' in sections:

            sections['pre_conditions'] = self._format_iop_preconditions(sections['pre_conditions'])

        return sections

    @staticmethod

    def _format_iop_preconditions(preconditions: str):

        match = re.match(

            r'^(.*?)(Data (?:only on leaves|on every broker))\.\s+((?:b\d+\s+contains\s+).+)$',

            preconditions,

        )

        if match is None:

            return preconditions

        prefix, data_location, broker_data = match.groups()

        broker_entries = re.split(r'\.\s+(?=b\d+\s+contains\s+)', broker_data)

        prefix_entries = [

            entry.strip()

            for entry in prefix.rstrip('. ').split('.')

            if entry.strip()

        ]

        return [

            *prefix_entries,

            f"{data_location}:",

            [entry.rstrip('.') for entry in broker_entries],

        ]

    def get_iop_test_tags(self, test_name: str) -> list:

        """Extract [Tags] from a specific IOP test case."""

        if test_name not in self.test_cases:

            return []

        test_content = self.test_cases[test_name]

        comments = re.findall(r'^\s*#(.+?)$', test_content, re.MULTILINE)

        return [comment.strip() for comment in comments]

        raw_comments = re.findall(r'^\s*#(.+?)$', test_content, re.MULTILINE)

        comments = []

        nested_comments = None

        for raw_comment in raw_comments:

            comment = raw_comment.strip()

            if comment.startswith('-'):

                if not comments:

                    raise ValueError(f"IOP test '{test_name}' has a list item without a parent step")

                if nested_comments is None:

                    nested_comments = []

                    comments.append(nested_comments)

                nested_comments.append(comment[1:].strip())

            else:

                comments.append(comment)

                nested_comments = None

        return comments

    def get_iop_setup(self, test_name: str) -> str:

        """Extract [Setup] from a specific IOP test case."""