[Backend] Create a resilient event indexing and replay pipeline for Stellar and Soroban state

[Solomonsolomonsolomon]

Make indexing restart-safe, replay-safe, and capable of feeding reconciliation, analytics, and notifications. This should include durable cursor handling and robust event normalization.nn- Priority: Highn- Area: Indexing / Blockchainn- Advanced Scope: replay logic, cursor durability, downstream data contracts

[Emelie-Dev]

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

Hi, I would love to work on this issue.

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[king-aj-the-first]

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

Hii, i'd like to work on this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @king-aj-the-first to this issue.