code: def run_config_diagnostics(config_path=CONFIG_PATH):
      
      config = read_config(config_path)
      missing_sections = set()
      malformed_entries = defaultdict(set)
      for section, expected_section_keys in SECTION_KEYS.items():
          section_content = config.get(section)
          if not section_content:
              missing_sections.add(section)
          else:
              for option in expected_section_keys:
                  option_value = section_content.get(option)
                  if not option_value:
                      malformed_entries[section].add(option)
      return config_path, missing_sections, malformed_entries
docs: Run diagnostics on the configuration file.
  
      Args:
          config_path (str): Path to the configuration file.
      Returns:
          str, Set[str], dict(str, Set[str]): The path to the configuration file, a set of missing
          sections and a dict that maps each section to the entries that have either missing or empty
          options.