0cd276d6cb
- Add Helius Sender client (helius.rs) with dual routing and swqos_only mode - Helius min tip: 0.0002 SOL default, 0.000005 SOL when swqos_only=true - Add TradeConfig.check_min_tip (default false) to skip min-tip validation for lower latency - Thread check_min_tip through SwapParams and execute_parallel; only call min_tip_sol when enabled - Add SWQOS_ENDPOINTS_HELIUS and HELIUS_TIP_ACCOUNTS in constants - Extend SwqosConfig/SwqosType for Helius; add Helius to get_endpoint and get_swqos_client - Update trading_client, shared_infrastructure and middleware_system examples Made-with: Cursor