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wyndham-ARR/.project-docs/40-domain/business-rules.md
Wyndham ARR a701de9f0e feat: prepare ARR for controlled public deployment
2026-07-29 16:38:05 +08:00

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Business Rules

Durable Rules

  • The user uploads XML; the user does not submit a report year, report month, cutoff date, or separate monthly-generation request in the primary workflow.
  • The Agent returns structured data, which must be validated and successfully committed to the database before downstream monthly processing starts.
  • A successful database commit automatically triggers the monthly-report processing program through the business system.
  • Year, month, cutoff/as-of date, and similar fields are internal derived execution/audit values. Their presence in code or metadata does not make them user inputs.
  • The monthly output contains the exact business dimension/field TOTAL PRICE.
  • Each monthly XLSX data-row TOTAL PRICE cell is a formula whose business meaning is REAL PRICE × NIGHTS × NO_OF_ROOMS (current layout example: =R2*C2*G2).
  • A stored database total_price may be used for integrity checking, but it does not replace the required formula in the exported workbook.

Open Questions

  • The internal event/outbox/worker mechanism for automatic dispatch is not yet selected.
  • The exact business-time and cutoff derivation policy is not yet specified; the system must derive it without user input.

Last Reviewed

2026-07-29