Add BUY and TRANSFER transaction types

[gudnuf]

Summary

• Adds BUY and TRANSFER to both receive_quote_type and transaction_type database enums
• Updates create_cashu_receive_quote and create_spark_receive_quote DB functions to handle the new types (BUY → DRAFT, TRANSFER → PENDING)
• Wires BUY through buy-store, receive quote hooks, services, and core types
• Adds BUY and TRANSFER to the TransactionTypeSchema Zod enum

Context

• BUY: Purchase bitcoin via external payment (e.g. Cash App). Invoice may not be paid, so transaction starts as DRAFT.
• TRANSFER: Internal cross-account fund movement initiated by the app. Payment is guaranteed, so transaction starts as PENDING.
• TRANSFER is defined at the DB/core/Zod layer only — hooks come in the transfers PR.

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Project	Deployment	Actions	Updated (UTC)
agicash	Ready	Preview, Comment	Mar 5, 2026 9:31pm

[supabase]

Updates to Preview Branch (add-buy-transfer-types) ↗︎

Deployments	Status	Updated
Database	✅	Thu, 05 Mar 2026 21:31:09 UTC
Services	✅	Thu, 05 Mar 2026 21:31:09 UTC
APIs	✅	Thu, 05 Mar 2026 21:31:09 UTC

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Tasks	Status	Updated
Configurations	✅	Thu, 05 Mar 2026 21:31:10 UTC
Migrations	✅	Thu, 05 Mar 2026 21:31:10 UTC
Seeding	✅	Thu, 05 Mar 2026 21:31:10 UTC
Edge Functions	✅	Thu, 05 Mar 2026 21:31:10 UTC

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