mindesbunister 6445a135a8 feat: Helius primary + Alchemy fallback for trade execution ...

- Helius HTTPS: Primary RPC for Drift SDK initialization and subscriptions
- Alchemy HTTPS (10K CU/s): Fallback RPC for transaction confirmations
- Added getFallbackConnection() method to DriftService
- openPosition() and closePosition() now use Alchemy for tx confirmations
- accountSubscribe errors are non-fatal warnings (SDK falls back gracefully)
- System fully operational: Drift initialized, Position Manager ready
- Trade execution will use high-throughput Alchemy for confirmations

2025-11-14 16:51:14 +01:00

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