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Backend reconciliation behavior belongs in the Darpan Moqui component at <moqui-framework>/runtime/component/darpan. The Backend engine section owns architecture; this page keeps implementation reminders close to service work. Related backend pages:

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Service shape

XML services own validation, authorization, entity mutation, service calls, and response shaping. Groovy and Java helpers handle processing-heavy code such as Spark preparation, rule execution, JSON normalization, and schema inference.

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Smoke coverage

Backend smoke coverage includes RuleSet compilation and sample data execution.

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Expected service documentation

Backend service documentation includes:
  • Service name
  • Owning file
  • Inputs and outputs
  • Authentication and authorization expectations
  • Runtime side effects
  • Verification path

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Troubleshooting

For backend failures, read the earliest meaningful backend log entry for the request. The final exception often hides the first contract or data-shape problem.