first commit

frontend/src/api/client.ts

@@ -0,0 +1,29 @@
+import type { BacktestRequest, BacktestResponse, SyncRequest, SyncResponse } from './types';
+
+// dev 用 Vite 代理（/api -> :8000）；生产构建设 VITE_API_BASE 指向后端地址。
+const BASE = import.meta.env.VITE_API_BASE ?? '';
+
+export async function postBacktest(req: BacktestRequest): Promise<BacktestResponse> {
+  const res = await fetch(`${BASE}/api/backtest`, {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify(req),
+  });
+  if (!res.ok) {
+    throw new Error(`回测请求失败 (HTTP ${res.status}): ${await res.text()}`);
+  }
+  return (await res.json()) as BacktestResponse;
+}
+
+export async function syncData(req: SyncRequest): Promise<SyncResponse> {
+  const res = await fetch(`${BASE}/api/data/sync`, {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify(req),
+  });
+  if (!res.ok) {
+    throw new Error(`数据拉取失败 (HTTP ${res.status}): ${await res.text()}`);
+  }
+  return (await res.json()) as SyncResponse;
+}
+