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+# Package Map
+
+| Package        | Responsibility                                           | Forbidden Dependencies |
+|----------------|---------------------------------------------------------|-----------------------|
+| controller     | Handle incoming requests, validate input               | service               |
+| service        | Business logic, coordination between layers             | repository            |
+| repository     | Data access and persistence                             | domain                |
+| domain         | Core business models and logic                          | integration           |
+| integration     | Interact with external systems, including payment gateways | domain                |
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