feat: Introduce Polymarket API client, paper trading module, and essential utilities for market data and trading.

src/utils/logger.py

@@ -1,7 +1,7 @@
 import sys
 from loguru import logger
 
-def setup_logger():
+def setup_logger(level="DEBUG"):
     """
     Configure loguru logger
     """
@@ -11,7 +11,7 @@ def setup_logger():
     logger.add(
         sys.stderr,
         format="<green>{time:YYYY-MM-DD HH:mm:ss}</green> | <level>{level: <8}</level> | <level>{message}</level>",
-        level="DEBUG"
+        level=level
     )
     
     # 文件输出
@@ -19,7 +19,7 @@ def setup_logger():
         "data/logs/trading_system.log",
         rotation="10 MB",
         retention="10 days",
-        level="DEBUG",
+        level=level,
         encoding="utf-8",
         compression="zip"
     )

src/utils/notifier.py

@@ -132,7 +132,8 @@ class TelegramNotifier:
         items_text = ""
         for a in alerts:
             type_icon = "⚡" if a["type"] == "price" else "🐋"
-            items_text += f"{type_icon} <b>{a['market']}</b>: {a['msg']}\n"
+            buy_tag = " [🛒 模拟仓已买入]" if a.get("bought") else ""
+            items_text += f"{type_icon} <b>{a['market']}</b>: {a['msg']}{buy_tag}\n"
 
         text = (
             f"🔔 <b>城市监控报告 #{self._escape_html(city)}</b>\n\n"