Codex/171 financial replay retention

[muokwejosh-cloud]

Closes #171

Summary

• Added bounded on-chain replay receipt retention for funding, repayment, and refunds.
• Preserved original operation results for idempotent retries.
• Added receipt retention status and owner-authorized restoration for archived markers.
• Documented seven-year archival retention and operator restoration steps.

Validation

• git diff --check passed.
• cargo test -p chainmove-pool could not run because Cargo could not reach the configured dependency registry.

Affected Areas

• Frontend
• Backend
• Authentication
• Payments
• Stellar
• Documentation
• Tests
• UI/UX

Checklist

• Code follows project conventions
• npm run lint passes
• npm run build passes
• Tests updated where needed
• No secrets committed
• No production credentials used
• Documentation updated if required

[Obiajulu-gif]

Hi! This PR currently has a merge conflict with the base branch and can't be merged as-is. Could you please rebase/merge main into your branch and resolve the conflicts? Thanks!

[Obiajulu-gif]

Thanks for this PR! It currently has merge conflicts against main and can't be merged as-is. Could you rebase/merge main into your branch and resolve the conflicts? I'll take another look once it's conflict-free.

[Obiajulu-gif]

@muokwejosh-cloud resolve merge conflict