Write ADR for multisig admin

[Levi-Ojukwu]

Description:

The multisig admin mechanism needs documentation.

Why it matters: Multisig is a critical security feature.

Acceptance Criteria:

• Create docs/adr/adr-008-multisig-admin.md
• Cover threshold scheme, expiration, admin action types

Relevant Files: docs/adr/, contracts/invoice_liquidity/src/multisig.rs

---

[heyrapto]

@heyrapto has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Hi maintainer, I would like to solve this issue

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[NeduTheDev1]

@NeduTheDev1 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Please assign to me maintainer I can handle with no issues

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[Meet-hybrid]

@Meet-hybrid has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Can I work on this please?

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[Samuel1505]

@Samuel1505 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

I would like to work on this issue, kindly assign me

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[drips-wave]

Congratulations, @Samuel1505! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on July 30, 2026.

🧑‍💻 @Samuel1505: 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.

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[drips-wave]

This issue has been completed by @Samuel1505 as part of the Stellar Wave Program's 7th Wave 🥳

😎 @Samuel1505: You earned 200 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here. You can also Leave a review to share your experience working on this issue.

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