Add Prisma migration for EscrowEvent table

[JSE19]

Description: Write and execute structural database migrations to support full auditing layers.
Acceptance Criteria:

• Schema updates verify cleanly within local development workspaces
• Migration files pass static layout validation checks perfectly

[Alimzy]

@Alimzy has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hi, I’d like to work on this issue. I can add the Prisma migration for the EscrowEvent table, ensure the schema updates apply cleanly in local development environments, and verify the generated migration files pass validation and maintain proper structure for auditing support.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Alimzy to this issue.

[0xVida]

@0xVida has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hi maintainer I'd love to work on this

ℹ️ Repo Maintainers: To accept this application, review their application or assign @0xVida to this issue.

[codellins]

@codellins has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Please, I would really love to work on this sir.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @codellins to this issue.

[drips-wave]

Congratulations, @codellins! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @codellins: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊