fix: allow repeated platform checks and unify Alpha metric formatting

frontend/src/alphaMetrics.ts

@@ -0,0 +1,12 @@
+/** Format the five headline Alpha metrics for display; stored/filter values stay raw.
+ * Unsupported fields return undefined so callers can retain their existing format.
+ */
+export function formatAlphaMetric(
+  key: string,
+  value: unknown,
+): string | undefined {
+  const percent = key === "turnover" || key === "returns" || key === "drawdown";
+  if (!percent && key !== "sharpe" && key !== "fitness") return undefined;
+  if (typeof value !== "number" || !Number.isFinite(value)) return "—";
+  return percent ? `${(value * 100).toFixed(2)}%` : value.toFixed(2);
+}

frontend/src/components/AlphaDetail.tsx

@@ -1,4 +1,5 @@
 import { useEffect, useRef, useState } from "react";
+import { formatAlphaMetric } from "../alphaMetrics";
 import {
   Banner,
   Button,
@@ -464,7 +465,10 @@ function MetricTable({
       <h3>{title}</h3>
       {entries.length ? (
         <DetailFieldGrid
-          data={entries.map(([key, value]) => ({ key, value }))}
+          data={entries.map(([key, value]) => ({
+            key,
+            value: formatAlphaMetric(key, value) ?? value,
+          }))}
         />
       ) : (
         <p className="muted">未提供</p>

frontend/src/components/SubmissionPanel.tsx

@@ -34,6 +34,7 @@ export function SubmissionPanel({
   const [busy, setBusy] = useState("");
   const [error, setError] = useState("");
   const dirty = useRef(false);
+  const submittedJob = useRef<string | null>(null);
   const mounted = useRef(true);
   useEffect(() => {
     mounted.current = true;
@@ -47,6 +48,16 @@ export function SubmissionPanel({
       .then((value) => {
         if (!active) return;
         setData(value);
+        // Rebase only our completed writeback and its exact resulting snapshot.
+        // A different expression/settings/description must still require review.
+        if (
+          value.job?.id === submittedJob.current &&
+          value.job?.status === "completed" &&
+          value.job.checkpoint.review_snapshot === value.snapshot
+        ) {
+          setSnapshot(value.snapshot);
+          submittedJob.current = null;
+        }
         if (!dirty.current) {
           setDraft(value.descriptions);
           setSnapshot(value.snapshot);
@@ -89,6 +100,7 @@ export function SubmissionPanel({
       if (!mounted.current) return;
       // Keep the reviewed draft visible while the durable task runs.
       dirty.current = true;
+      submittedJob.current = job.id;
       setData((current) => (current ? { ...current, job } : current));
       onTask();
     } catch (e) {
@@ -105,14 +117,14 @@ export function SubmissionPanel({
     <div className="detail-section">
       <h3>Description 与提交检查</h3>
       <p className="muted">
-        AI 一次生成完整 Description，可在下方统一修改。写回并检查会更新 BRAIN 的
+        AI 一次生成完整 Description，可在下方统一修改。平台检查会更新 BRAIN 的
         Description，随后获取平台提交检查结果，不会正式提交 Alpha。
       </p>
       {error && <Banner type="danger" description={error} />}
       {!data.can_check && (
         <Banner
           type="info"
-          description="写回并检查需要待提交 Alpha。有本地比较基准时，需取得有效、完整且低于阈值的自相关结果；没有本地基准时可直接继续平台检查。"
+          description="平台检查需要待提交 Alpha。有本地比较基准时，需取得有效、完整且低于阈值的自相关结果；没有本地基准时可直接继续平台检查。"
         />
       )}
       {!data.can_generate && (
@@ -121,6 +133,17 @@ export function SubmissionPanel({
         </p>
       )}
       <div className="inline-actions">
+        <Button
+          disabled={!!busy || running}
+          onClick={() => {
+            dirty.current = false;
+            setDraft(data.descriptions);
+            setSnapshot(data.snapshot);
+            setError("");
+          }}
+        >
+          载入最新描述
+        </Button>
         <Button
           onClick={() => void generate()}
           loading={busy === "generate"}
@@ -181,18 +204,7 @@ export function SubmissionPanel({
           disabled={!!busy || running || conflict || !data.can_check}
           onClick={() => void check()}
         >
-          写回 Description 并检查
-        </Button>
-        <Button
-          disabled={!!busy || running}
-          onClick={() => {
-            dirty.current = false;
-            setDraft(data.descriptions);
-            setSnapshot(data.snapshot);
-            setError("");
-          }}
-        >
-          载入最新描述
+          平台检查
         </Button>
       </div>
       {data.job && (

frontend/src/pages/AlphaPage.tsx

@@ -27,6 +27,7 @@ import {
   IconRefresh,
 } from "@douyinfe/semi-icons";
 import "./AlphaPage.css";
+import { formatAlphaMetric } from "../alphaMetrics";
 import type { ColumnProps } from "@douyinfe/semi-ui-19/lib/es/table/interface";
 import {
   api,
@@ -84,8 +85,10 @@ function metricColor(key: string, value: unknown): string | undefined {
   return "var(--semi-color-danger)";
 }
 
-/** Convert Margin only for display; filtering and sorting still use raw values. */
+/** Format metrics only for display; filtering and sorting still use raw values. */
 function formatMetric(key: string, value: unknown): string {
+  const headline = formatAlphaMetric(key, value);
+  if (headline !== undefined) return headline;
   if (key !== "margin") return formatNumber(value, 3);
   return typeof value === "number" && Number.isFinite(value)
     ? `${formatNumber(value * 10000, 2)}bps`

frontend/src/types.ts

@@ -138,6 +138,7 @@ export type Job = {
     alpha_ids?: string[];
   };
   checkpoint: {
+    review_snapshot?: string;
     date?: string;
     dataset_id?: string;
     datasets_completed?: number;

frontend/tests/submission-repeat.spec.ts

@@ -0,0 +1,121 @@
+import { expect, test } from "@playwright/test";
+import type { Job } from "../src/types";
+
+test("platform check can repeat after its own description writeback", async ({
+  page,
+}) => {
+  let snapshot = "a".repeat(64);
+  let descriptions = { regular: "" };
+  let job: Job | null = null;
+  const submitted: string[] = [];
+  await page.route(/\/api\/v1\/sync-jobs$/, (route) =>
+    route.fulfill({ json: job ? [job] : [] }),
+  );
+  await page.route(/\/api\/v1\/alphas\/[^/]+\/submission$/, (route) =>
+    route.fulfill({
+      json: {
+        snapshot,
+        descriptions,
+        sections: {
+          regular: { code: "rank(close)", description: descriptions.regular },
+        },
+        model: "test-model",
+        can_generate: true,
+        can_check: true,
+        job,
+      },
+    }),
+  );
+  await page.route(
+    /\/api\/v1\/alphas\/[^/]+\/submission-check$/,
+    async (route) => {
+      const body = route.request().postDataJSON();
+      expect(body.snapshot).toBe(snapshot);
+      submitted.push(body.snapshot);
+      descriptions = body.descriptions;
+      snapshot = String(submitted.length).repeat(64);
+      job = {
+        id: `repeat-${submitted.length}`,
+        kind: "submission_check",
+        status: "completed",
+        processed: 1,
+        failed: 0,
+        total: 1,
+        error: null,
+        next_retry_at: null,
+        created_at: new Date().toISOString(),
+        updated_at: new Date().toISOString(),
+        payload: {},
+        checkpoint: { phase: "checked", review_snapshot: snapshot },
+      };
+      await route.fulfill({ status: 202, json: { ...job, status: "queued" } });
+    },
+  );
+  await page.goto("/#alphas");
+  await page.getByLabel("密码", { exact: true }).fill("browser-test-password");
+  await page.getByRole("button", { name: "进入工作空间" }).click();
+  await expect(
+    page.getByRole("tab", { name: "待提交", exact: true }),
+  ).toBeVisible();
+  const headers = { "X-WQ-Request": "1" };
+  await page.request.put("/api/v1/account/credentials", {
+    headers,
+    data: { email: "test@example.com", password: "synthetic-password" },
+  });
+  await page.request.post("/api/v1/account/connect", { headers });
+  await expect
+    .poll(
+      async () =>
+        (await (await page.request.get("/api/v1/account")).json())
+          .connection_status,
+    )
+    .toBe("connected");
+  const imported = await (
+    await page.request.post("/api/v1/sync-jobs", {
+      headers,
+      data: { kind: "alpha_refresh", alpha_ids: ["TEST0004"] },
+    })
+  ).json();
+  await expect
+    .poll(
+      async () =>
+        (
+          await (
+            await page.request.get(`/api/v1/sync-jobs/${imported.id}`)
+          ).json()
+        ).status,
+    )
+    .toBe("completed");
+  await page.reload();
+  await page.locator(".alpha-link").first().click();
+  const sheet = page.locator(".alpha-detail");
+  await sheet.getByRole("tab", { name: "相关性检查", exact: true }).click();
+  const load = sheet.getByRole("button", { name: "载入最新描述", exact: true });
+  const generate = sheet.getByRole("button", {
+    name: "AI 生成 Description",
+    exact: true,
+  });
+  await expect(load).toBeVisible();
+  expect((await load.boundingBox())!.x).toBeLessThan(
+    (await generate.boundingBox())!.x,
+  );
+  const draft = sheet.getByRole("textbox", {
+    name: "regular Description",
+    exact: true,
+  });
+  await draft.fill("A reviewed description for repeat checking.");
+  const check = sheet.getByRole("button", { name: "平台检查", exact: true });
+  for (let i = 1; i <= 2; i++) {
+    await expect(check).toBeEnabled();
+    await check.click();
+    await expect.poll(() => submitted.length).toBe(i);
+    await expect(page.locator(".job-panel")).toBeVisible();
+    await page.keyboard.press("Escape");
+    await expect(page.locator(".job-panel")).not.toBeVisible();
+    await expect(check).toBeEnabled();
+    await expect(draft).toHaveValue(
+      "A reviewed description for repeat checking.",
+    );
+  }
+  expect(submitted).toEqual(["a".repeat(64), "1".repeat(64)]);
+});