Initial import

packages/db/README.md

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+# packages/db
+
+Database package for `nproxy`.
+
+## Implemented in this iteration
+- Prisma package scaffold
+- Initial Prisma schema for MVP persisted state
+- Shared schema path export for runtime tooling
+
+## Current scope
+- Users and subscription state
+- Manual crypto invoices
+- Generation requests and provider-key attempts
+- Usage ledger
+- Provider keys, optional proxies, and auditable state events
+- Telegram pairing and admin allowlist
+- Admin audit log