fix(B8): wire visual builder backtest

web/src/views/ResearchView.dom.test.tsx

@@ -0,0 +1,102 @@
+// @vitest-environment jsdom
+import { render, screen } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+import { describe, expect, it, vi } from 'vitest';
+import { AppContext, type AppContextValue } from '../context/AppContext';
+import { ResearchView } from './ResearchView';
+
+vi.mock('../tabs/MyStrategiesTab', () => ({
+  MyStrategiesTab: () => <div>Strategies tab</div>,
+}));
+
+vi.mock('../tabs/SignalsTab', () => ({
+  SignalsTab: () => <div>Signals tab</div>,
+}));
+
+vi.mock('../tabs/BacktestTab', () => ({
+  BacktestTab: () => <div>Backtesting tab</div>,
+}));
+
+vi.mock('../components/strategy/CodeStrategyEditor', () => ({
+  CodeStrategyEditor: () => <div>Code editor</div>,
+}));
+
+vi.mock('../components/strategy/VisualRuleBuilder', () => ({
+  VisualRuleBuilder: ({ onBacktest }: any) => (
+    <button
+      type="button"
+      onClick={() => onBacktest?.([{
+        id: 'rule-1',
+        indicator: 'RSI',
+        condition: 'below',
+        value: 30,
+        action: 'BUY',
+        quantity: 10,
+        quantityType: 'shares',
+      }])}
+    >
+      Run Backtest
+    </button>
+  ),
+}));
+
+vi.mock('../backtest/components/BacktestRunnerPanel', () => ({
+  BacktestRunnerPanel: ({ title, strategyConfig, symbols, initialCapitalUsd }: any) => (
+    <section aria-label="visual backtest runner">
+      <h3>{title}</h3>
+      <div>{symbols.join(',')}</div>
+      <div>{initialCapitalUsd}</div>
+      <pre>{JSON.stringify(strategyConfig)}</pre>
+    </section>
+  ),
+}));
+
+vi.mock('../lib/profileApi', () => ({
+  createTradeProfile: vi.fn(),
+}));
+
+const appContext: AppContextValue = {
+  botState: {
+    settings: { totalCapital: 5000, riskPerTrade: 2, isAlgoEnabled: true },
+    symbols: {
+      AAPL: { price: 212.42, changeToday: 1.5 },
+    },
+    health: { tradingLoopHealthy: true, reconciliationLoopHealthy: true, capitalInvariantViolations: 0 },
+    alerts: [],
+    positions: [],
+    orders: [],
+    history: [],
+    uptime: 0,
+  } as any,
+  socket: null,
+  connected: true,
+  activeSymbol: 'AAPL',
+  setActiveSymbol: vi.fn(),
+  isAdmin: false,
+  user: { id: 'u1' },
+  profile: {},
+  showBacktestTab: true,
+  showMarketplaceTab: false,
+  handleSignOut: vi.fn(),
+};
+
+describe('ResearchView visual builder backtest wiring', () => {
+  it('opens a backtest runner with the current visual rules', async () => {
+    const user = userEvent.setup();
+    render(
+      <AppContext.Provider value={appContext}>
+        <ResearchView />
+      </AppContext.Provider>,
+    );
+
+    await user.click(screen.getByRole('button', { name: 'Visual Builder' }));
+    await user.click(screen.getByRole('button', { name: 'Run Backtest' }));
+
+    expect(screen.getByRole('region', { name: 'visual backtest runner' })).toBeInTheDocument();
+    expect(screen.getByText('Backtest: Visual Strategy (AAPL)')).toBeInTheDocument();
+    expect(screen.getByText('AAPL')).toBeInTheDocument();
+    expect(screen.getByText('5000')).toBeInTheDocument();
+    expect(screen.getByText(/"type":"visual"/)).toBeInTheDocument();
+    expect(screen.getByText(/"indicator":"RSI"/)).toBeInTheDocument();
+  });
+});

web/src/views/ResearchView.tsx

@@ -6,9 +6,25 @@ import { MyStrategiesTab } from '../tabs/MyStrategiesTab';
 import { VisualRuleBuilder, type VisualRule } from '../components/strategy/VisualRuleBuilder';
 import { CodeStrategyEditor } from '../components/strategy/CodeStrategyEditor';
 import { createTradeProfile } from '../lib/profileApi';
+import { BacktestRunnerPanel } from '../backtest/components/BacktestRunnerPanel';
 
 type ResearchTab = 'Strategies' | 'Visual Builder' | 'Code Editor' | 'Signals' | 'Backtesting';
 
+function buildVisualStrategyConfig(rules: VisualRule[]) {
+  return {
+    type: 'visual',
+    version: 1,
+    rules: rules.map(r => ({
+      indicator:    r.indicator,
+      condition:    r.condition,
+      value:        r.value,
+      action:       r.action,
+      quantity:     r.quantity,
+      quantityType: r.quantityType,
+    })),
+  };
+}
+
 // Sub-tab pill styles
 function SubTab({
   label, active, onClick,
@@ -38,6 +54,7 @@ function SubTab({
 export function ResearchView() {
   const { botState, connected, showBacktestTab, isAdmin, activeSymbol } = useAppContext();
   const [tab, setTab] = useState<ResearchTab>('Strategies');
+  const [visualBacktestRules, setVisualBacktestRules] = useState<VisualRule[] | null>(null);
 
   const tabs: ResearchTab[] = [
     'Strategies',
@@ -54,8 +71,7 @@ export function ResearchView() {
   // Visual rules go inside strategy_config.rules so the strategy engine can
   // route to the visual interpreter (alongside the existing rule-based engine).
   const handleSaveVisualStrategy = async (name: string, rules: VisualRule[]) => {
-    const fallbackSymbol = Object.keys(botState.symbols)[0] ?? 'SPY';
+    const symbol = activeSymbol || Object.keys(botState.symbols)[0] || 'SPY';
-    const symbol = activeSymbol || fallbackSymbol;
     const totalCapital = botState.settings?.totalCapital ?? 1000;
     const riskPct      = botState.settings?.riskPerTrade ?? 1;
 
@@ -65,21 +81,13 @@ export function ResearchView() {
       allocated_capital: totalCapital,
       risk_per_trade_percent: riskPct,
       is_active: false, // user activates explicitly from MyStrategiesTab
-      strategy_config: {
+      strategy_config: buildVisualStrategyConfig(rules),
-        type: 'visual',
-        version: 1,
-        rules: rules.map(r => ({
-          indicator:    r.indicator,
-          condition:    r.condition,
-          value:        r.value,
-          action:       r.action,
-          quantity:     r.quantity,
-          quantityType: r.quantityType,
-        })),
-      },
     });
   };
 
+  const visualBuilderSymbol = activeSymbol || Object.keys(botState.symbols)[0] || 'SPY';
+  const initialCapitalUsd = botState.settings?.totalCapital ?? 1000;
+
   return (
     <div>
       <h2 style={{ fontSize: 22, fontWeight: 800, color: '#111827', margin: '0 0 20px' }}>Research</h2>
@@ -112,9 +120,21 @@ export function ResearchView() {
             </div>
           </div>
           <VisualRuleBuilder
-            symbol={activeSymbol || Object.keys(botState.symbols)[0] || 'SPY'}
+            symbol={visualBuilderSymbol}
             onSave={handleSaveVisualStrategy}
+            onBacktest={showBacktestTab ? (rules) => setVisualBacktestRules(rules.map(rule => ({ ...rule }))) : undefined}
           />
+          {showBacktestTab && visualBacktestRules && (
+            <div style={{ marginTop: 20 }}>
+              <BacktestRunnerPanel
+                strategyConfig={buildVisualStrategyConfig(visualBacktestRules)}
+                symbols={[visualBuilderSymbol]}
+                initialCapitalUsd={initialCapitalUsd}
+                title={`Backtest: Visual Strategy (${visualBuilderSymbol})`}
+                onClose={() => setVisualBacktestRules(null)}
+              />
+            </div>
+          )}
         </div>
       )}