Sergey Krylov 3281866c43 refactor(tbank): rewrite BrokerAnalyticsService to use T-Bank API directly
Replace Prisma-based analytics with direct T-Bank API calls:
- GetPortfolio for expectedYield (real portfolio return)
- GetOperationsByCursor with pagination for full operation history
- Remove incorrect totalReturnPercent formula, use T-Bank expectedYield instead
2026-06-27 20:39:32 +03:00
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