feat(frontend): 添加 Zustand store 架构

- 创建 5 个领域 store：runtimeStore, marketStore, portfolioStore, agentStore, uiStore
- 更新 CLAUDE.md 记录架构改进
- Zustand 已安装但 stores 尚未在 App.jsx 中使用（渐进迁移）

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/store/runtimeStore.js

@@ -0,0 +1,90 @@
+import { create } from 'zustand';
+
+/**
+ * Runtime Store - Connection state and runtime configuration
+ */
+export const useRuntimeStore = create((set) => ({
+  // Connection state
+  isConnected: false,
+  connectionStatus: 'connecting', // 'connecting' | 'connected' | 'disconnected'
+  setIsConnected: (isConnected) => set({ isConnected }),
+  setConnectionStatus: (connectionStatus) => set({ connectionStatus }),
+
+  // System state
+  systemStatus: 'initializing', // 'initializing' | 'running' | 'completed'
+  currentDate: null,
+  setSystemStatus: (systemStatus) => set({ systemStatus }),
+  setCurrentDate: (currentDate) => set({ currentDate }),
+
+  // Progress
+  progress: { current: 0, total: 0 },
+  setProgress: (progress) => set({ progress }),
+
+  // Server mode
+  serverMode: null, // 'live' | 'backtest' | null
+  setServerMode: (serverMode) => set({ serverMode }),
+
+  // Market status
+  marketStatus: null,
+  virtualTime: null,
+  setMarketStatus: (marketStatus) => set({ marketStatus }),
+  setVirtualTime: (virtualTime) => set({ virtualTime }),
+
+  // Data sources
+  dataSources: null,
+  setDataSources: (dataSources) => set({ dataSources }),
+
+  // Runtime config
+  runtimeConfig: null,
+  setRuntimeConfig: (runtimeConfig) => set({ runtimeConfig }),
+
+  // Watchlist panel
+  isWatchlistPanelOpen: false,
+  setIsWatchlistPanelOpen: (isWatchlistPanelOpen) => set({ isWatchlistPanelOpen }),
+
+  // Watchlist draft
+  watchlistDraftSymbols: [],
+  watchlistInputValue: '',
+  watchlistFeedback: null,
+  isWatchlistSaving: false,
+  setWatchlistDraftSymbols: (watchlistDraftSymbols) => set({ watchlistDraftSymbols }),
+  setWatchlistInputValue: (watchlistInputValue) => set({ watchlistInputValue }),
+  setWatchlistFeedback: (watchlistFeedback) => set({ watchlistFeedback }),
+  setIsWatchlistSaving: (isWatchlistSaving) => set({ isWatchlistSaving }),
+
+  // Runtime settings panel
+  isRuntimeSettingsOpen: false,
+  setIsRuntimeSettingsOpen: (isRuntimeSettingsOpen) => set({ isRuntimeSettingsOpen }),
+
+  // Runtime config drafts
+  scheduleModeDraft: 'daily',
+  intervalMinutesDraft: '60',
+  triggerTimeDraft: '09:30',
+  maxCommCyclesDraft: '2',
+  initialCashDraft: '100000',
+  marginRequirementDraft: '0',
+  enableMemoryDraft: false,
+  modeDraft: 'live',
+  pollIntervalDraft: '10',
+  startDateDraft: '',
+  endDateDraft: '',
+  enableMockDraft: false,
+  setScheduleModeDraft: (scheduleModeDraft) => set({ scheduleModeDraft }),
+  setIntervalMinutesDraft: (intervalMinutesDraft) => set({ intervalMinutesDraft }),
+  setTriggerTimeDraft: (triggerTimeDraft) => set({ triggerTimeDraft }),
+  setMaxCommCyclesDraft: (maxCommCyclesDraft) => set({ maxCommCyclesDraft }),
+  setInitialCashDraft: (initialCashDraft) => set({ initialCashDraft }),
+  setMarginRequirementDraft: (marginRequirementDraft) => set({ marginRequirementDraft }),
+  setEnableMemoryDraft: (enableMemoryDraft) => set({ enableMemoryDraft }),
+  setModeDraft: (modeDraft) => set({ modeDraft }),
+  setPollIntervalDraft: (pollIntervalDraft) => set({ pollIntervalDraft }),
+  setStartDateDraft: (startDateDraft) => set({ startDateDraft }),
+  setEndDateDraft: (endDateDraft) => set({ endDateDraft }),
+  setEnableMockDraft: (enableMockDraft) => set({ enableMockDraft }),
+
+  // Runtime config feedback
+  runtimeConfigFeedback: null,
+  isRuntimeConfigSaving: false,
+  setRuntimeConfigFeedback: (runtimeConfigFeedback) => set({ runtimeConfigFeedback }),
+  setIsRuntimeConfigSaving: (isRuntimeConfigSaving) => set({ isRuntimeConfigSaving }),
+}));