feat(dashboard): TS types + API client for strategy + backtest

BacktestRun, BacktestRunDetail, StrategyTicker, StrategyEquityCurve,
StrategyPerformance types added to meetKevin.ts. New meetKevinStrategy.ts
with 8 axios methods covering the backtest run/list/get/latest and
strategy tickers/equity-curve/performance/close endpoints.

dashboard/src/api/meetKevinStrategy.ts

@@ -0,0 +1,60 @@
+import client from './client';
+import type {
+  BacktestRun,
+  BacktestRunDetail,
+  StrategyEquityCurve,
+  StrategyPerformance,
+  StrategyTicker,
+} from '../types/meetKevin';
+
+export async function runBacktest(params: {
+  holding_days?: number;
+  slippage_pct?: number;
+  dedupe_policy?: 'roll' | 'ignore';
+  initial_capital?: number;
+}): Promise<{ run_uuid: string; status: string }> {
+  const { data } = await client.post('/meet-kevin/backtest/run', params);
+  return data;
+}
+
+export async function listBacktestRuns(limit = 20): Promise<BacktestRun[]> {
+  const { data } = await client.get('/meet-kevin/backtest/runs', {
+    params: { limit },
+  });
+  return data;
+}
+
+export async function getBacktestRun(runUuid: string): Promise<BacktestRunDetail> {
+  const { data } = await client.get(`/meet-kevin/backtest/runs/${runUuid}`);
+  return data;
+}
+
+export async function getLatestBacktest(): Promise<BacktestRunDetail> {
+  const { data } = await client.get('/meet-kevin/backtest/latest');
+  return data;
+}
+
+export async function getStrategyTickers(): Promise<StrategyTicker[]> {
+  const { data } = await client.get('/meet-kevin/strategy/tickers');
+  return data;
+}
+
+export async function getStrategyEquityCurve(params: {
+  from?: string;
+  to?: string;
+  include_benchmark?: 'spy';
+}): Promise<StrategyEquityCurve> {
+  const { data } = await client.get('/meet-kevin/strategy/equity-curve', {
+    params,
+  });
+  return data;
+}
+
+export async function getStrategyPerformance(): Promise<StrategyPerformance> {
+  const { data } = await client.get('/meet-kevin/strategy/performance');
+  return data;
+}
+
+export async function closeKevinPosition(symbol: string): Promise<void> {
+  await client.post(`/meet-kevin/positions/${symbol}/close`);
+}

dashboard/src/types/meetKevin.ts

@@ -112,3 +112,94 @@ export interface DashboardData {
     count: number;
   }[];
 }
+
+// --- Strategy + backtest types (v2) ---
+
+export type BacktestRunStatus = 'running' | 'completed' | 'failed';
+
+export interface BacktestTrade {
+  symbol: string;
+  entry_at: string;
+  entry_price: number;
+  exit_at: string | null;
+  exit_price: number | null;
+  qty: number;
+  pnl_usd: number | null;
+  pnl_pct: number | null;
+  holding_days_actual: number | null;
+}
+
+export interface BacktestMetrics {
+  total_return_pct: number;
+  annualized_return_pct: number | null;
+  sharpe_ratio: number | null;
+  max_drawdown_pct: number | null;
+  win_rate: number | null;
+  trade_count: number;
+  alpha_vs_spy_pct: number | null;
+  beta_vs_spy: number | null;
+  winners: number | null;
+  losers: number | null;
+  best_trade_pct: number | null;
+  worst_trade_pct: number | null;
+}
+
+export interface BacktestRun {
+  run_uuid: string;
+  status: BacktestRunStatus;
+  started_at: string;
+  finished_at: string | null;
+  trigger_source: 'manual' | 'scheduled';
+  params_json: Record<string, unknown>;
+  metrics_json: BacktestMetrics | null;
+  error_message: string | null;
+}
+
+export interface BacktestRunDetail extends BacktestRun {
+  trades: BacktestTrade[];
+  equity_curve_json: Array<{ timestamp: string; value: number }> | null;
+  benchmark_curve_json: Array<{ timestamp: string; value: number }> | null;
+}
+
+export type BridgeStatus =
+  | 'emitted'
+  | 'skipped_non_tradable'
+  | 'skipped_blocklist'
+  | 'skipped_caps'
+  | 'deferred'
+  | 'broker_rejected'
+  | 'dry_run';
+
+export interface StrategyTicker {
+  symbol: string;
+  latest_action: TickerAction;
+  latest_conviction: number;
+  mention_count: number;
+  last_mention_at: string;
+  bridge_status: BridgeStatus | null;
+  is_held: boolean;
+  current_price: number | null;
+  unrealized_pnl_pct: number | null;
+}
+
+export interface EquityCurvePoint {
+  timestamp: string;
+  value: number;
+}
+
+export interface StrategyEquityCurve {
+  strategy: EquityCurvePoint[];
+  benchmark: EquityCurvePoint[] | null;
+}
+
+export interface StrategyPerformance {
+  total_return_pct: number;
+  annualized_return_pct: number | null;
+  sharpe_ratio: number | null;
+  max_drawdown_pct: number | null;
+  win_rate: number | null;
+  trade_count: number;
+  alpha_vs_spy_pct: number | null;
+  open_positions: number;
+  last_backtest_at: string | null;
+}