Add Multi-Network Integration Test Matrix for Testnet and Mainnet Config

[Emmyt24]

title: Add Multi-Network Integration Test Matrix for Testnet and Mainnet Config

Description:
Create a configuration test matrix that validates both testnet and mainnet wiring without requiring unsafe live mainnet mutations.

Requirements and Context:

• The app supports two networks but many checks are only implicitly testnet-focused
• Production release confidence requires both configuration branches to be exercised
• Must avoid destructive mainnet writes

Suggested Execution:
Fork and Branch

• git checkout -b test/multi-network-config-matrix

Implement Changes::
Files to Edit:

• frontend/src/config/stellar.ts - Expose testable config branches
• backend/src/services/stellarEventListener.ts - Allow env-driven horizon assertions
• scripts/verify-deployment.sh - Add network-aware validation mode

Files to Create:

• frontend/src/test/integration/network-config-matrix.test.ts - Frontend network config tests
• backend/src/__tests__/networkConfigMatrix.test.ts - Backend network config tests

Test

• Verify testnet and mainnet URLs, passphrases, and explorer links are correct
• Verify no friendbot or testnet-only logic leaks into mainnet mode
• Verify missing mainnet contract IDs fail validation

Commit

• git add .
• git commit -m "test(integration): add multi-network configuration matrix tests"

Guidelines:

• Treat mainnet as a first-class config path
• Use read-only checks for live mainnet validation

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[feromoneth]

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

Hello Maintainer, Good day
I'd like to take this issue on. I've reviewed the relevant modules and understand the expected behaviour.
I can implement a clean and maintainable fix aligned with the existing architecture and testing standard.

Would proceed with implementation immediately once assigned

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