{"steps":[
 {"tool":"text_clean","enabled":true,"options":{"trim":true,"collapse_whitespace":true,"fold_smart_chars":true,"strip_zero_width":true}},
 {"tool":"format_standardize","enabled":true,"options":{"column_types":{"Date":"date","Amount":"currency"}}},
 {"tool":"missing","enabled":true,"options":{"strategy":"none","standardize_sentinels":true,"sentinels":["—","(blank)","?","unknown","TBD","N/A","#N/A","(none)"]}},
 {"tool":"dedup","enabled":true,"options":{"survivor_rule":"most_complete","merge":true,"strategies":[{"columns":[{"column":"Date","algorithm":"exact","threshold":100},{"column":"Amount","algorithm":"exact","threshold":100}]}]}}
]}