[Contract] Create a contract versioning and compatibility registry for deployed Chen Pilot contracts

[Solomonsolomonsolomon]

Add explicit compatibility metadata so backend and SDK layers can reason about contract capabilities and avoid invoking stale interfaces. This should support multi-environment deployment and safe protocol evolution.

[NeduTheDev1]

@NeduTheDev1 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Please assign to me maintainer i can get it done no issues

ℹ️ Repo Maintainers: To accept this application, review their application or assign @NeduTheDev1 to this issue.

[Killerjunior]

@Killerjunior has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

I have carefully gone through the issue and relevant documentation, and I understand the expected implementation. I’d love to work on this task and provide a clean and efficient solution.

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

[Kappa16]

@Kappa16 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

PLEASE maintainer i can to work on this issue, PR will be submitted ASAP with no conflicting errors,

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Kappa16 to this issue.

[amanosiadnan-cmyk]

@amanosiadnan-cmyk has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hii, i'd like to apply for this issue

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

[Babigdk]

@Babigdk has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Kindly assign me to work on this issue 🙏

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