Add separate kline.db and pre-seed small-account four-product K-lines on startup.

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

modules/core/db_conn.py

@@ -13,9 +13,10 @@ import threading
 import time
 from typing import Any, Iterable, Optional, Sequence
 
-from modules.core.paths import DB_PATH as _ROOT_DB_PATH
+from modules.core.paths import DB_PATH as _ROOT_DB_PATH, KLINE_DB_PATH as _KLINE_DB_PATH
 
 DB_PATH = _ROOT_DB_PATH
+KLINE_DB_PATH = _KLINE_DB_PATH
 
 _backend_lock = threading.Lock()
 _backend: Optional[str] = None

modules/core/deps.py

@@ -29,6 +29,7 @@ class AppDeps:
     start_background_threads: Callable
     tz: Any
     db_path: str
+    kline_db_path: str
     upload_dir: str
     open_types: list
     exit_triggers: list

modules/core/paths.py

@@ -19,6 +19,7 @@ UPLOADS_DIR = ROOT / "uploads"
 LOGS_DIR = ROOT / "logs"
 
 DB_PATH = str(ROOT / "futures.db")
+KLINE_DB_PATH = str(DATA_DIR / "kline.db")
 
 
 def ensure_runtime_dirs() -> None: