Quality: close-buffer vs bet-end distinct errors end-to-end

[josephchimebuka]

Summary

Ensure sniping close-buffer failures are distinct from natural bet-end errors across contract, bindings, and wallet guide.

Acceptance criteria

• Distinct ContractError variants
• Tests at buffer edge
• TS + wallet docs updated

Where

• contracts/src/betting.rs
• contracts/src/errors.rs
• bindings/

[prodbydeco]

@prodbydeco has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hello maintainer,
I have a vast experience in solving github issues.
Please do well to assign me this let me get it done for you
Thank you.

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

[Tosme005]

@Tosme005 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hello, I reviewed the issue requirements and have tackled similar implementations in the past. I’d love to take ownership of this to deliver a clean, well-tested solution. Please consider assigning it to me

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Tosme005 to this issue.

[mallison031]

@mallison031 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

i will like to work on this issues

ℹ️ Repo Maintainers: To accept this application, review their application or assign @mallison031 to this issue.

[Dannyorji]

@Dannyorji has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hi
Can i pick this up?

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

[drips-wave]

Congratulations, @Dannyorji! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on August 31, 2026.

🧑‍💻 @Dannyorji: 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 🌊