- MoexHttpClient: infrastructure (axios, rate limiter, circuit breaker)
- MoexSecuritiesClient: search and security descriptions
- MoexMarketDataClient: share/bond market data and batch queries
- MoexCandlesClient: candle data
- MoexHistoryClient: share/bond history
- MoexDividendsClient: dividend data
- Removed @Global() from MoexClientModule
- Updated all 7 consumers with explicit DI
- All 141 tests passing
