feat: add MCP research access and browser key management

frontend/tests/backtests.spec.ts

@@ -28,7 +28,9 @@ test("draft, immutable preview, mixed-result persistence and responsive workspac
   await page.getByRole("button", { name: "新建回测" }).click();
   await page.getByLabel("运行名称", { exact: true }).fill("浏览器回测验收");
   await page.getByRole("textbox", { name: "Region", exact: true }).fill("USA");
-  await page.getByRole("textbox", { name: "Universe", exact: true }).fill("TOP3000");
+  await page
+    .getByRole("textbox", { name: "Universe", exact: true })
+    .fill("TOP3000");
   await page.getByLabel("回测候选").fill("rank(close)\n-rank(volume)");
   await page.getByRole("button", { name: "保存草稿", exact: true }).click();
   await expect(page.getByText("草稿已保存", { exact: true })).toBeVisible();
@@ -103,3 +105,86 @@ test("AI prepares one fixed preview, confirms once, and shows live run independe
   await chat.getByRole("button", { name: "打开回测详情", exact: true }).click();
   await expect(page.getByText("1 / 1 已保存", { exact: true })).toBeVisible();
 });
+
+test("MCP direct batch appears through its run link and source filter", async ({
+  page,
+}) => {
+  await login(page);
+  const token = (
+    await (
+      await page.request.post("/api/v1/test/mcp-token", { headers })
+    ).json()
+  ).token;
+  const response = await page.request.post("/api/v1/mcp/", {
+    headers: {
+      Authorization: `Bearer ${token}`,
+      Accept: "application/json, text/event-stream",
+    },
+    data: {
+      jsonrpc: "2.0",
+      id: "browser-batch",
+      method: "tools/call",
+      params: {
+        name: "submit_backtests",
+        arguments: {
+          name: "MCP 浏览器留痕",
+          idempotency_key: "browser-mcp",
+          duplicate_policy: "rerun",
+          candidates: [
+            {
+              client_item_id: "browser-1",
+              expression: "rank(close) + 987",
+              settings: {
+                instrumentType: "EQUITY",
+                region: "USA",
+                universe: "TOP3000",
+                delay: 1,
+                decay: 0,
+                neutralization: "INDUSTRY",
+                truncation: 0.08,
+                pasteurization: "ON",
+                unitHandling: "VERIFY",
+                nanHandling: "OFF",
+                language: "FASTEXPR",
+                visualization: false,
+                maxTrade: "OFF",
+                maxPosition: "OFF",
+              },
+            },
+          ],
+          source: {
+            reference: "browser-conversation",
+            hypothesis: "验证直接回测留痕",
+          },
+        },
+      },
+    },
+  });
+  expect(response.ok()).toBeTruthy();
+  const result = (await response.json()).result;
+  expect(result.isError).toBeFalsy();
+  const run = result.structuredContent;
+  await page.goto(run.web_url);
+  await expect(page.getByText("1 / 1 已保存", { exact: true })).toBeVisible({
+    timeout: 20000,
+  });
+  await expect(
+    page.getByText("研究来源：MCP 研究", { exact: true }),
+  ).toBeVisible();
+  await expect(
+    page.getByText("来源引用：browser-conversation", { exact: true }),
+  ).toBeVisible();
+  await page.reload();
+  await expect(page.getByText("1 / 1 已保存", { exact: true })).toBeVisible();
+  await page.keyboard.press("Escape");
+  await page
+    .getByRole("dialog")
+    .getByRole("heading")
+    .getByRole("button")
+    .click();
+  await page.getByText("全部研究来源", { exact: true }).click();
+  await page.getByRole("option", { name: /MCP 研究/ }).click();
+  await expect(
+    page.getByRole("button", { name: "MCP 浏览器留痕", exact: true }),
+  ).toBeVisible();
+});