确认PokieTicker新闻库数据源

backend/services/market.py

@@ -54,6 +54,7 @@ class MarketService:
         self.running = False
         self._loop: Optional[asyncio.AbstractEventLoop] = None
         self._broadcast_func: Optional[Callable] = None
+        self._price_record_func: Optional[Callable[..., None]] = None
         self._price_manager: Optional[Any] = None
         self._current_date: Optional[str] = None
 
@@ -92,6 +93,10 @@ class MarketService:
             f"Market service started: {self.mode_name}, tickers={self.tickers}",  # noqa: E501
         )
 
+    def set_price_recorder(self, recorder: Optional[Callable[..., None]]):
+        """Register an optional callback for persisting runtime price points."""
+        self._price_record_func = recorder
+
     def _make_price_callback(self) -> Callable:
         """Create thread-safe price callback"""
 
@@ -169,6 +174,24 @@ class MarketService:
             ((price - open_price) / open_price) * 100 if open_price > 0 else 0
         )
 
+        if self._price_record_func:
+            try:
+                self._price_record_func(
+                    ticker=symbol,
+                    timestamp=str(price_data.get("timestamp") or datetime.now().isoformat()),
+                    price=float(price),
+                    open_price=float(open_price) if open_price is not None else None,
+                    ret=float(ret),
+                    source=self.mode_name.lower(),
+                    meta=price_data,
+                )
+            except Exception as exc:
+                logger.warning(
+                    "Failed to record price point for %s: %s",
+                    symbol,
+                    exc,
+                )
+
         await self._broadcast_func(
             {
                 "type": "price_update",
@@ -205,6 +228,43 @@ class MarketService:
         self._loop = None
         self._broadcast_func = None
 
+    def update_tickers(self, tickers: List[str]) -> Dict[str, List[str]]:
+        """Hot-update subscribed tickers without restarting the service."""
+        normalized: List[str] = []
+        for ticker in tickers:
+            symbol = normalize_symbol(ticker)
+            if symbol and symbol not in normalized:
+                normalized.append(symbol)
+
+        previous = list(self.tickers)
+        removed = [ticker for ticker in previous if ticker not in normalized]
+        added = [ticker for ticker in normalized if ticker not in previous]
+        self.tickers = normalized
+
+        if self._price_manager:
+            if removed:
+                self._price_manager.unsubscribe(removed)
+            if added:
+                if self.mock_mode:
+                    self._price_manager.subscribe(
+                        added,
+                        base_prices={ticker: 100.0 for ticker in added},
+                    )
+                else:
+                    self._price_manager.subscribe(added)
+
+            if self.backtest_mode and self._current_date:
+                self._price_manager.set_date(self._current_date)
+
+        for ticker in removed:
+            self.cache.pop(ticker, None)
+
+        return {
+            "added": added,
+            "removed": removed,
+            "active": list(self.tickers),
+        }
+
     # Backtest methods
     def set_backtest_date(self, date: str):
         """Set current backtest date"""