Feature/custom strategy (#1173)

* feat: add Strategy Studio with multi-timeframe support
- Add Strategy Studio page with three-column layout for strategy management
- Support multi-timeframe K-line data selection (5m, 15m, 1h, 4h, etc.)
- Add GetWithTimeframes() function in market package for fetching multiple timeframes
- Add TimeframeSeriesData struct for storing per-timeframe technical indicators
- Update formatMarketData() to display all selected timeframes in AI prompt
- Add strategy API endpoints for CRUD operations and test run
- Integrate real AI test runs with configured AI models
- Support custom AI500 and OI Top API URLs from strategy config
* docs: add Strategy Studio screenshot to README files
* feat: add quant data integration and fix position click navigation
- Integrate quant data API (netflow, OI, price changes) into Strategy Studio
- Add enable_quant_data toggle in indicator editor
- Fix position symbol click to navigate to chart (sync defaultSymbol prop)
- Fix TradingView chart fullscreen flickering

web/src/types.ts

@@ -403,6 +403,9 @@ export interface IndicatorConfig {
   rsi_periods?: number[];
   atr_periods?: number[];
   external_data_sources?: ExternalDataSource[];
+  // 量化数据源（资金流向、持仓变化、价格变化）
+  enable_quant_data?: boolean;
+  quant_data_api_url?: string;
 }
 
 export interface KlineConfig {