fix: lib 迁移后中控数据路径指向 manual_trading_hub

修复 hub_fund_history 等模块误读 lib/hub/manual_trading_hub 导致资金概况历史曲线丢失的问题。

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

lib/hub/hub_kline_store.py

@@ -44,9 +44,9 @@ def default_db_path() -> Path:
     raw = (os.getenv("HUB_KLINE_DB_PATH") or "").strip()
     if raw:
         return Path(raw)
-    hub_dir = Path(__file__).resolve().parent / "manual_trading_hub" / "data"
-    hub_dir.mkdir(parents=True, exist_ok=True)
-    return hub_dir / "hub_kline.db"
+    from lib.paths import hub_data_dir
+
+    return hub_data_dir() / "hub_kline.db"
 
 
 def _connect(db_path: Path | None = None) -> sqlite3.Connection: