[SCF high][easy] Verify coordinator and resolver network agreement

[karagozemin]

Goal\nFail startup checks when coordinator and resolver are configured for different chains.\n\n## Acceptance criteria\n- Compare Ethereum chain ID and Stellar network passphrase.\n- Report mismatches without exposing credentials.\n- Add matching and mismatch tests.\n\n## Complexity\nHigh - small implementation, high reliability value.

[ugoocreates-pixel]

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

Hello, I would love to take on this issue. I'm a software engineer with over 4 years experience. and i'm confident I can resolve this issue

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[emirykl]

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

Hey, I want to take that issue

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[CollinsKRO]

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

Hi, I can fix this kindly assign.

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[Muyideen-js]

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

Hi, I can fix this

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[drips-wave]

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

🧑‍💻 @emirykl: 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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