Feature/custom strategy (#1172)

* 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
* fix: correct strategy-studio.png filename case in README
* refactor: remove legacy signal source config and simplify trader creation
- Remove signal source configuration from traders page (now handled by strategy)
- Remove advanced options (legacy config) from TraderConfigModal
- Rename default strategy to "默认山寨策略" with AI500 coin pool URL
- Delete SignalSourceModal and SignalSourceWarning components
- Clean up related stores, hooks, and page components

web/src/stores/tradersModalStore.ts

@@ -7,7 +7,6 @@ interface TradersModalState {
   showEditModal: boolean
   showModelModal: boolean
   showExchangeModal: boolean
-  showSignalSourceModal: boolean
 
   // 编辑状态
   editingModel: string | null
@@ -19,7 +18,6 @@ interface TradersModalState {
   setShowEditModal: (show: boolean) => void
   setShowModelModal: (show: boolean) => void
   setShowExchangeModal: (show: boolean) => void
-  setShowSignalSourceModal: (show: boolean) => void
 
   setEditingModel: (modelId: string | null) => void
   setEditingExchange: (exchangeId: string | null) => void
@@ -40,7 +38,6 @@ const initialState = {
   showEditModal: false,
   showModelModal: false,
   showExchangeModal: false,
-  showSignalSourceModal: false,
   editingModel: null,
   editingExchange: null,
   editingTrader: null,
@@ -53,7 +50,6 @@ export const useTradersModalStore = create<TradersModalState>((set) => ({
   setShowEditModal: (show) => set({ showEditModal: show }),
   setShowModelModal: (show) => set({ showModelModal: show }),
   setShowExchangeModal: (show) => set({ showExchangeModal: show }),
-  setShowSignalSourceModal: (show) => set({ showSignalSourceModal: show }),
 
   setEditingModel: (modelId) => set({ editingModel: modelId }),
   setEditingExchange: (exchangeId) => set({ editingExchange: exchangeId }),