Fix positions page hang by moving recommend refresh to background

Co-authored-by: Cursor <cursoragent@cursor.com>

recommend_trend.py

@@ -4,13 +4,16 @@ from __future__ import annotations
 import logging
 from typing import Callable, Optional
 
-from kline_chart import fetch_sina_klines
+import requests
+
+from kline_chart import fetch_sina_klines, ths_to_sina_chart_symbol
 
 logger = logging.getLogger(__name__)
 
 DAILY_LOOKBACK = 7
 OVERLAP_WINDOW = 3
 OVERLAP_RANGE_THRESHOLD = 0.70
+KLINE_FETCH_TIMEOUT = 5
 
 TREND_LONG = "long"
 TREND_SHORT = "short"
@@ -107,20 +110,75 @@ def analyze_daily_trend(bars: list, *, overlap_threshold: float = OVERLAP_RANGE_
     }
 
 
+def _normalize_daily_bars(raw: list) -> list:
+    out = []
+    for row in raw:
+        if isinstance(row, list) and len(row) >= 5:
+            out.append({
+                "d": str(row[0]),
+                "o": float(row[1]),
+                "h": float(row[2]),
+                "l": float(row[3]),
+                "c": float(row[4]),
+            })
+        elif isinstance(row, dict) and row.get("d"):
+            out.append({
+                "d": str(row["d"]),
+                "o": float(row.get("o", 0) or 0),
+                "h": float(row.get("h", 0) or 0),
+                "l": float(row.get("l", 0) or 0),
+                "c": float(row.get("c", 0) or 0),
+            })
+    return out
+
+
+def _fetch_sina_daily_quick(chart_sym: str) -> list:
+    url = (
+        "https://stock2.finance.sina.com.cn/futures/api/json.php/"
+        f"IndexService.getInnerFuturesDailyKLine?symbol={chart_sym}"
+    )
+    try:
+        resp = requests.get(
+            url, timeout=KLINE_FETCH_TIMEOUT,
+            headers={"Referer": "https://finance.sina.com.cn"},
+        )
+        raw = resp.json()
+        if raw and isinstance(raw, list):
+            bars = _normalize_daily_bars(raw)
+            if bars:
+                return bars
+    except Exception as exc:
+        logger.debug("quick daily kline failed %s: %s", chart_sym, exc)
+    return []
+
+
 def fetch_week_daily_bars(
     symbol: str,
     *,
     fetch_fn: Callable[[str, str], list] | None = None,
 ) -> list:
-    fn = fetch_fn or fetch_sina_klines
-    try:
-        bars = fn(symbol, "d") or []
-    except Exception as exc:
-        logger.debug("fetch week daily failed %s: %s", symbol, exc)
+    sym = (symbol or "").strip()
+    if not sym:
         return []
+    if fetch_fn:
+        try:
+            bars = fetch_fn(sym, "d") or []
+        except Exception as exc:
+            logger.debug("fetch week daily failed %s: %s", sym, exc)
+            return []
+        return bars[-DAILY_LOOKBACK:] if bars else []
+
+    chart_sym = ths_to_sina_chart_symbol(sym)
+    if not chart_sym:
+        return []
+    bars = _fetch_sina_daily_quick(chart_sym)
     if not bars:
-        return []
-    return bars[-DAILY_LOOKBACK:]
+        try:
+            bars = fetch_sina_klines(sym, "d") or []
+        except Exception as exc:
+            logger.debug("fetch week daily fallback failed %s: %s", sym, exc)
+            return []
+    return bars[-DAILY_LOOKBACK:] if bars else []
 
 
 def analyze_product_trend(