fix(HEL-412): 刷新降级不再整次失败，并补齐准备中提示

手动刷新与自动补跑共用可用数据判定：日线推算或上一交易日快照记为部分/准备中成功，避免前端误报刷新失败。HTTP JSON 解析错误不再把请求正文写入日志。

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: multica-agent <github@multica.ai>

frontend/shared/dashboard.js

@@ -66,11 +66,13 @@ async function startAdminRefresh() {
     const requestedCompact = requestedDate.replaceAll("-", "");
     const actualCompact = actualDate.replaceAll("-", "");
     const updated = formatTimestamp(meta.updated_at);
-    if (actualCompact !== requestedCompact || meta.carried_forward) {
-      const reason = meta.notice ? `；${meta.notice}` : "";
-      setAdminRefreshStatus("warning", `刷新已完成，但没有获取到 ${requestedDate} 的最新行情；当前仍是 ${actualDate || "未知日期"}${reason}`, "triangle-alert");
-      showToast("刷新完成，但未获取到所选日期的最新行情");
-    } else if (meta.notice) {
+    const freshness = dashboardFreshnessMessage(meta);
+    if (freshness || actualCompact !== requestedCompact || meta.carried_forward || meta.limit_data_source === "derived") {
+      setAdminRefreshStatus("warning", freshness || `部分正式数据尚未到齐，当前展示 ${actualDate || "最近可用数据"}`, "triangle-alert");
+      setStatus(freshness || "部分正式数据尚未到齐，当前展示最近可用数据");
+      return;
+    }
+    if (meta.notice) {
       setAdminRefreshStatus("warning", `已刷新到 ${actualDate}（${updated}），但数据源提示：${meta.notice}`, "triangle-alert");
       showToast(`已刷新到 ${actualDate}，请留意数据源提示`);
     } else {
@@ -105,6 +107,37 @@ async function waitForAdminRefresh(jobKey) {
   throw new Error("刷新等待超时，请稍后重试");
 }
 
+let dashboardCatchupTimer = 0;
+
+function chineseMonthDay(value) {
+  const compact = String(value || "").replaceAll("-", "").replaceAll("/", "");
+  if (!/^\d{8}/.test(compact)) return "";
+  return `${Number(compact.slice(4, 6))} 月 ${Number(compact.slice(6, 8))} 日`;
+}
+
+function dashboardFreshnessMessage(meta = {}) {
+  if (meta.display_notice) return String(meta.display_notice);
+  const requested = String(meta.requested_date || "").replaceAll("-", "");
+  const actual = String(meta.trade_date || "").replaceAll("-", "");
+  const shown = chineseMonthDay(actual);
+  if (meta.data_status === "preparing" || (meta.carried_forward && actual && requested && actual !== requested)) {
+    return shown ? `今日数据正在准备，当前展示 ${shown}` : "今日数据正在准备，当前展示最近可用数据";
+  }
+  if (meta.data_status === "partial" || meta.limit_data_source === "derived") {
+    return meta.notice || "部分正式数据尚未到齐，当前展示日线推算结果";
+  }
+  return "";
+}
+
+function scheduleDashboardCatchup(meta = {}) {
+  window.clearTimeout(dashboardCatchupTimer);
+  const status = String(meta.data_status || "");
+  if (status !== "preparing" && status !== "partial") return;
+  dashboardCatchupTimer = window.setTimeout(() => {
+    loadDashboard(false, true, false);
+  }, 60000);
+}
+
 function applyDashboard(payload, background = false) {
   state.dashboard = payload;
   const selectedDate = payload.meta.requested_date || payload.meta.trade_date;
@@ -112,7 +145,11 @@ function applyDashboard(payload, background = false) {
   document.querySelector("#qiObservationDate").value = selectedDate;
   document.querySelector("#journalDate").value = selectedDate;
   renderDashboard();
-  setStatus(`${dashboardSourceLabel(payload.meta)} · 数据已更新`);
+  const freshness = dashboardFreshnessMessage(payload.meta || {});
+  setStatus(freshness || `${dashboardSourceLabel(payload.meta)} · 数据已更新`);
+  const updatedAt = document.querySelector("#updatedAt");
+  if (updatedAt) updatedAt.dataset.tone = freshness ? "warning" : "ok";
+  scheduleDashboardCatchup(payload.meta || {});
   if (!background) {
     if (state.activeView === "dragonView") loadDragonTiger();
     if (state.activeView === "screenerView") loadScreenerSetup();
@@ -180,7 +217,12 @@ function renderDashboard() {
     }
   }
   updateSentimentGauge(overview.sentiment_score);
-  setText("updatedAt", `${dashboardSourceLabel(meta)} · 更新 ${formatTimestamp(meta.updated_at)}`);
+  const freshness = dashboardFreshnessMessage(meta);
+  setText("updatedAt", freshness
+    ? freshness
+    : `${dashboardSourceLabel(meta)} · 更新 ${formatTimestamp(meta.updated_at)}`);
+  const updatedAt = document.querySelector("#updatedAt");
+  if (updatedAt) updatedAt.dataset.tone = freshness ? "warning" : "ok";
 
   renderLimitTable();
   renderLadderMini(ladders || []);

frontend/shared/shell.css

@@ -921,6 +921,10 @@ body.sidebar-collapsed .app-main {
   text-align: right;
 }
 
+.status-bar #updatedAt[data-tone="warning"] {
+  color: var(--warning);
+}
+
 .status-bar .risk-note {
   display: block;