Investigate ISO 20022 payment exceptions and investigation cases (pacs.008/pacs.002/pacs.004 and camt.056/camt.029): emit a durable case_id, build a cited message chronology, trace status and reason codes, resolve parties and amounts, compute a documented priority, and recommend a disposition (repair, return, honor/reject a recall, request information) or route to a specialist. Use when a payments investigations or operations analyst works an exception or investigation queue, a returned/rejected wire, ACH, SEPA, or RTP payment, or an incoming recall, and needs an audit-ready evidence bundle with recommended next steps. HARD BOUNDARY: evidence and recommendations only — it…
