Trustline check uses mock service

[Nanafancy]

— checkTrustline in features/send/services doesn't query Horizon or the backend; it returns simulated results.

[Yodomite]

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

Hello, please i will like to work on this issue

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[laxjovial]

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

Please assign to me. I can work on this

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[Marvy54]

@Marvy54 has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

I’m available to work on and fix this issue right away. I’ll be more than happy to contribute

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Congratulations, @Marvy54! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on August 31, 2026.

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This issue has been completed by @Marvy54 as part of the Stellar Wave Program's 8th Wave 🥳

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