Title: Add snapshot tests for contract state serialization

[popsman01]

Description
Write snapshot tests to verify contract state serialization/deserialization works correctly.

Requirements and context

• Must test all data structures serialize correctly
• Should test deserialization produces identical state
• Must catch unintended state structure changes

Suggested execution

• Create branch: add-snapshot-tests-contract-state-serialization
• Keep changes scoped to the issue and reference the task IDs in the PR

Implement changes

• Create snapshots for ContractConfig structure
• Create snapshots for ContractStats structure
• Create snapshots for GameState structure
• Test serialization of all enum variants
• Test deserialization accuracy
• Verify backward compatibility
• Set up snapshot update workflow

Test and commit

• Generate baseline snapshots
• Run snapshot tests
• Verify any changes are intentional
• Include snapshot files in PR

Example commit message

test: add snapshot tests for contract state serialization

Guidelines

• Prefer small, reviewable PRs
• Keep naming and data contracts consistent with the spec docs
• Preserve responsive and accessible behavior for frontend work

---

[Obiajulu-gif]

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

My Chief, I am a full stack dev, I will love to work on this issue

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

[yahia008]

@yahia008 has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

hi team kindly assign me to this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @yahia008 to this issue.

[drips-wave]

Congratulations, @yahia008! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on March 30, 2026.

🧑‍💻 @yahia008: 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

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