mindesbunister c4c0c63de1 feat: Add Alchemy RPC diagnostic endpoint + complete investigation ...

- Created /api/testing/drift-init endpoint for systematic RPC testing
- Tested Alchemy: 17-71 subscription errors per init (49 avg over 5 runs)
- Tested Helius: 0 subscription errors, 800ms init time
- DEFINITIVE PROOF: Alchemy rate limits break Drift SDK initialization
- Root cause: Burst subscription pattern hits CUPS limits
- SDK doesn't retry failed subscriptions → unstable state
- Documented complete findings in docs/ALCHEMY_RPC_INVESTIGATION_RESULTS.md
- Investigation CLOSED - Helius is the only reliable solution

2025-11-14 22:20:04 +01:00

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