fix(sector-radar): 兼容股票市场字段为空

zhixing-server/src/zhixing_server/modules/sector_radar/domain/normalize.py

@@ -202,7 +202,8 @@ def _is_lifecycle_candidate(stock: StockBasicRow, target: date) -> bool:
         return False
     if stock.symbol.startswith(("200", "900")):
         return False
-    if "北交" in stock.market or "B股" in stock.market.upper():
+    market = stock.market or ""
+    if "北交" in market or "B股" in market.upper():
         return False
     if stock.list_date is None or stock.list_date > target:
         return False

zhixing-server/src/zhixing_server/modules/sector_radar/domain/source.py

@@ -342,7 +342,7 @@ class StockBasicRow:
     ts_code: str
     symbol: str
     name: str
-    market: str
+    market: str | None
     exchange: str
     list_status: str
     list_date: date | None
@@ -356,7 +356,7 @@ class StockBasicRow:
             ts_code=_required_text(row, "ts_code"),
             symbol=_required_text(row, "symbol"),
             name=_required_text(row, "name"),
-            market=_required_text(row, "market"),
+            market=_optional_text(row, "market"),
             exchange=_required_text(row, "exchange"),
             list_status=_required_text(row, "list_status"),
             list_date=_source_date(row, "list_date", required=False),