[0xCyborgDev]

Summary

• Upgrade the frontend Stellar SDK to v14 and use the rpc API consistently with the indexer.
• Parse signed XDR directly with TransactionBuilder.fromXDR before RPC submission.
• Share client and server Sentry scrubbing for exception text, nested data, request details, email addresses, and muxed Stellar addresses.

Closes #1293
Closes #1295
Closes #1292

Verification

• npm run type-check passed.
• Focused transaction, RPC, Sentry, and SDK smoke suites passed (62 tests).
• Full Jest run: 561 passed, 8 pre-existing failures in dashboard animation, marketplace toast assertions, a Vitest import, and the contract error table.

[vercel]

@Obiajulu-gif is attempting to deploy a commit to the Ada's projects Team on Vercel.

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[ada-nwali]

Please resolve conflicts

[0xCyborgDev]

Resolved the conflicts with testnet-implementation and pushed f7bd382. Both transaction assembly paths now combine the SDK 14 rpc namespace with immutable fee scaling, without double-counting Soroban resource fees. Also fixed the relocated Sentry client import and preserved event subtypes in the scrubber. Verification: 7 focused suites, 71 tests passed; TypeScript no-emit check passed. GitHub now reports the PR as mergeable. Full build and end-to-end tests were not run.