Implement Soroban Optimization Fix Preview

[mijinummi]

🧠 Concept

Allow developers to preview proposed source transformations.

⚠️ Problem

Contributors need to review automated changes before accepting them.

📁 Implementation Scope

• packages/autofix/soroban/preview/
• packages/reporting/soroban/

✅ Requirements

• Show original code
• Show proposed code
• Show diff
• Show expected resource impact
• Show confidence score

🎯 Acceptance Criteria

• Fix preview implemented
• Source diff displayed
• Resource impact displayed
• Confidence displayed

[otobongdev]

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

Hello Maintainer, i can fix this issue

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

[69starman]

@69starman has applied to work on this issue as part of the Stellar Wave Program's 8th wave.

Hello sir maintainer....
I have a vast experience in solving github issues ...
Please do well to assign me this let me get it done for you ✅.
Thank you 😊

ℹ️ Repo Maintainers: To accept this application, review their application or assign @69starman to this issue.

[drips-wave]

Congratulations, @69starman! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on August 31, 2026.

🧑‍💻 @69starman: 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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[grantfox-oss]

🎉 This issue has been marked as completed on GrantFox as part of the Third Campaign campaign!

@69starman's PR #911 was approved and merged by @mijinummi.

🏆 @69starman: You earned 35 FoxPoints for this contribution! Your current tier: Explorer (624 total points). Track your full progress on GrantFox.

👏 Great work, @69starman! Keep contributing to MDTechLabs.

[drips-wave]

This issue has been completed by @69starman as part of the Stellar Wave Program's 8th Wave 🥳

😎 @69starman: 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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