feat(HEL-490): 剩余行情改由数据中枢主线路提供

正式页面以 8766 为主线路，旧接口只作故障备用；compose 钉死全部 DATAHUB_READ_*，避免现网残留 0 造成假完成。

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

backend/features/market/charts.py

@@ -68,12 +68,18 @@ class MarketChartClient:
         normalized = str(code or "").strip()
         if not re.fullmatch(r"\d{6}", normalized):
             raise ChartDataError("Invalid stock code")
+        hub_rows = self._datahub_daily(normalized, end_date, limit, "daily")
+        if hub_rows:
+            return hub_rows
         return self._ifind_daily(_stock_market_code(normalized), end_date, limit)
 
     def index_daily(self, identifier: str, end_date: str, limit: int = 90) -> list[dict[str, Any]]:
         normalized = str(identifier or "").strip().upper()
         if normalized not in INDEX_SECIDS:
             raise ChartDataError("Unsupported index")
+        hub_rows = self._datahub_daily(normalized, end_date, limit, "index_daily")
+        if hub_rows:
+            return hub_rows
         return self._ifind_daily(normalized, end_date, limit)
 
     def board_daily(self, identifier: str, end_date: str, limit: int = 90) -> list[dict[str, Any]]:
@@ -109,6 +115,112 @@ class MarketChartClient:
             return None
         return chart
 
+    def _datahub_daily(
+        self,
+        code: str,
+        end_date: str,
+        limit: int,
+        dataset: str,
+    ) -> list[dict[str, Any]] | None:
+        if self.datahub is None or not hasattr(self.datahub, "try_daily_chart"):
+            return None
+        try:
+            rows = self.datahub.try_daily_chart(code, end_date, limit, dataset)
+        except Exception as exc:
+            LOGGER.warning("datahub daily unexpected error: %s", exc)
+            rows = None
+        if not rows:
+            if hasattr(self.datahub, "record_legacy"):
+                self.datahub.record_legacy(dataset, "ifind")
+            return None
+        compact_end = str(end_date or "").replace("-", "")
+        market_now = datetime.now().astimezone()
+        today = market_now.strftime("%Y%m%d")
+        market_open = (
+            market_now.weekday() < 5
+            and market_now.time().replace(tzinfo=None) >= dt_time(9, 30)
+        )
+        if compact_end == today and market_open:
+            overlay = self._datahub_today_bar(code, dataset, rows)
+            if overlay:
+                if rows and rows[-1]["trade_date"] == overlay["trade_date"]:
+                    rows[-1] = overlay
+                else:
+                    rows.append(overlay)
+        return rows
+
+    def _datahub_today_bar(
+        self,
+        code: str,
+        dataset: str,
+        history: list[dict[str, Any]],
+    ) -> dict[str, Any] | None:
+        today_display = datetime.now().astimezone().date().isoformat()
+        previous = history[-1]["close"] if history and history[-1]["trade_date"] != today_display else (
+            history[-2]["close"] if len(history) >= 2 else 0.0
+        )
+        quote = None
+        if dataset == "index_daily" and hasattr(self.datahub, "try_index_quotes"):
+            quotes = self.datahub.try_index_quotes() or []
+            quote = next(
+                (
+                    item for item in quotes
+                    if str(item.get("ts_code") or "") == code or str(item.get("code") or "") == code.split(".")[0]
+                ),
+                None,
+            )
+        elif hasattr(self.datahub, "try_quotes"):
+            quotes = self.datahub.try_quotes([code]) or []
+            quote = quotes[0] if quotes else None
+        if quote:
+            close = _number(quote.get("close") if quote.get("close") not in (None, "") else quote.get("price"))
+            open_price = _number(quote.get("open"))
+            high = _number(quote.get("high"))
+            low = _number(quote.get("low"))
+            previous_close = _number(
+                quote.get("pre_close") if quote.get("pre_close") not in (None, "") else quote.get("previous_close")
+            ) or previous
+            volume = _number(quote.get("vol") if quote.get("vol") not in (None, "") else quote.get("volume"))
+            amount = _number(quote.get("amount"))
+            if close > 0 and open_price > 0:
+                return {
+                    "trade_date": today_display,
+                    "open": open_price,
+                    "high": high or close,
+                    "low": low or close,
+                    "close": close,
+                    "change": round((close / previous_close - 1) * 100, 4) if previous_close else 0.0,
+                    "volume": volume,
+                    "amount_billion": amount / 100_000_000,
+                    "realtime": True,
+                }
+        chart = self._datahub_intraday(code)
+        points = list((chart or {}).get("points") or [])
+        if not points:
+            return None
+        closes = [_number(point.get("close")) for point in points if _number(point.get("close")) > 0]
+        if not closes:
+            return None
+        opens = [_number(point.get("open")) for point in points if _number(point.get("open")) > 0]
+        highs = [_number(point.get("high")) for point in points if _number(point.get("high")) > 0]
+        lows = [_number(point.get("low")) for point in points if _number(point.get("low")) > 0]
+        volume = sum(_number(point.get("volume")) for point in points)
+        amount = sum(_number(point.get("amount")) for point in points)
+        previous_close = _number((chart or {}).get("previous_close")) or previous
+        close = closes[-1]
+        open_price = opens[0] if opens else closes[0]
+        return {
+            "trade_date": today_display,
+            "open": open_price,
+            "high": max(highs or closes),
+            "low": min(lows or closes),
+            "close": close,
+            "change": round((close / previous_close - 1) * 100, 4) if previous_close else 0.0,
+            "volume": volume,
+            "amount_billion": amount / 100_000_000,
+            "realtime": True,
+        }
+
     def board_intraday(self, identifier: str, name: str = "") -> dict[str, Any]:
         normalized = str(identifier or "").strip().upper()
         try:

backend/features/system/service.py

@@ -130,6 +130,7 @@ class SystemServiceMixin:
                 ),
                 **self.database.status(),
                 "jobs": self.jobs.repository.recent(12),
+                "datahub": self._datahub_status(),
             },
             "llm": {
                 "primary_configured": self._profile_configured(platform["primary"]),
@@ -145,6 +146,22 @@ class SystemServiceMixin:
             },
         }
 
+    def _datahub_status(self) -> dict[str, Any]:
+        gateway = getattr(self, "data_gateway", None)
+        reporter = getattr(gateway, "datahub_status", None)
+        if callable(reporter):
+            return reporter()
+        return {
+            "configured": False,
+            "base_url": "",
+            "enabled_reads": 0,
+            "total_reads": 0,
+            "flags": [],
+            "routes": [],
+            "fallback_count": 0,
+            "fallback_labels": [],
+        }
+
     def save_system_settings(self, payload: dict[str, Any]) -> dict[str, Any]:
         current = dict(self._system_credentials)
         token = str(payload.get("tushare_token") or current.get("tushare_token") or "").strip()