supplement_dir: Path to supplemental files directory. Defaults to supplement if not specified.
mappability_file: Name of the bigWig mappability file in supplement_dir.
mappability_threshold: Minimum average mappability score (0.0-1.0) for interval filtering.
interval_file: Path to interval file in supplement_dir.
finaletoolkit_command: True/False: Enables a specific Finaletoolkit command, using hyphens replaced by underscores (e.g., adjust-wps becomes adjust_wps: True).
finaletoolkit_command_flag: value: Sets flags for a Finaletoolkit command (e.g., adjust_wps_max_length: 250). Flags that take input files, output files, or verbose flags do not exist here. mapping_quality is shortened to mapq for flags (e.g., coverage_mapping_quality becomes coverage_mapq).