Build success toast for completed buy flow

[Chucks1093]

Summary

Create a reusable success toast for buy-flow completion so transaction success feels visible and intentional.

Scope

• add a reusable success toast pattern
• support short transaction success messaging
• keep the structure ready for future sell flow reuse

Acceptance Criteria

• success toast can be triggered from a completed buy flow
• message is visible but not disruptive
• component is reusable for other success states

Contributor note: comment on the issue first and reach out in Telegram for updates or coordination: https://t.me/accesslayerorg

[Tochukwu-tech]

@Tochukwu-tech has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

Hello my name is victor, can i be assigned this issue
ETA:12hrs

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[joelpeace48-cell]

@joelpeace48-cell has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

HI Team, I've identified an opportunity to innovate and disrupt the market. I've experimented with related concepts in my project, allowing me to find my way around this obstacle and create something groundbreaking. My vision involves leveraging emerging technologies to create a game-changing solution. I've conducted market research, identified key stakeholders, and developed a go-to-market strategy. Let me share my vision and explore how we can collaborate to bring this innovation to life.

As we move forward, I'll ensure that we prioritize stakeholder engagement, iterative testing, and continuous improvement. I'm committed to delivering high-quality results and driving success for our team. Let's discuss how we can collaborate and make this project a success.

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Congratulations, @joelpeace48-cell! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on March 30, 2026.

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This issue has been completed by @joelpeace48-cell as part of the Stellar Wave Program's 3rd Wave 🥳

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