**Enhancement: add invoice generation and downloadable receipts**

[MaryammAli]

• Description: Payments should produce invoices and receipts that are downloadable and linked to user transactions.
  • Impacted files: BackendAcademy/src/payments/payments.service.ts, BackendAcademy/src/reports/reports.service.ts, BackendAcademy/src/notifications/notifications.service.ts, BackendAcademy/src/config/env.schema.ts

[penielgold-hub]

@penielgold-hub has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Hello maintainer, i want to work on this issue

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[SheyeJDev]

@SheyeJDev has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Gm Gm boss,

I would love to work on this issue

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Congratulations, @SheyeJDev! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on July 30, 2026.

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This issue has been completed by @SheyeJDev as part of the Stellar Wave Program's 7th Wave 🥳

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