feat: Add DART strategy and related configurations

ㅇ
Changes:
- Introduced the DART strategy to the trading system, including its configuration and integration into the existing framework.
- Updated the database schema to include DART-specific tables for disclosures and watchlists.
- Enhanced the backtesting and parameter search functionalities to support the DART strategy.
- Implemented new rules for browser verification and API interactions to ensure compliance with the updated DART strategy.

Impact:
- These additions expand the trading capabilities of the system, allowing for more comprehensive analysis and execution of DART-related strategies, while maintaining system integrity and performance.

kis_trader/scripts/fill_kiwoom_candles.py

@@ -160,7 +160,18 @@ def _load_target_codes(
 
 
 # ─── DB UPSERT 헬퍼 ────────────────────────────────────────────────────
-_INSERT_SQL = """
+# WS_CANDLE_FREEZE_ON_CONFIRM(기본 true): 존재 행 OHLCV 유지 — docs/정합성.md
+_INSERT_SQL_FREEZE = """
+    INSERT INTO ws_candles
+        (code, timeframe, candle_time, `open`, high, low, close,
+         volume, rsi_2, rsi_3, rsi_5, is_confirmed, source, updated_at)
+    VALUES
+        (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
+    ON DUPLICATE KEY UPDATE
+        candle_time=candle_time
+"""
+
+_INSERT_SQL_OVERWRITE = """
     INSERT INTO ws_candles
         (code, timeframe, candle_time, `open`, high, low, close,
          volume, rsi_2, rsi_3, rsi_5, is_confirmed, source, updated_at)
@@ -173,6 +184,14 @@ _INSERT_SQL = """
 """
 
 
+def _insert_sql() -> str:
+    from kis_trader.utils.env import get_env_bool
+
+    if get_env_bool("WS_CANDLE_FREEZE_ON_CONFIRM", True):
+        return _INSERT_SQL_FREEZE
+    return _INSERT_SQL_OVERWRITE
+
+
 def _upsert_candles(
     db: TradeDB,
     code: str,
@@ -214,7 +233,7 @@ def _upsert_candles(
     with db.conn._lock:
         db.conn._ensure_connected()
         cur = db.conn._conn.cursor()
-        cur.executemany(_INSERT_SQL, rows)
+        cur.executemany(_insert_sql(), rows)
         db.conn._conn.commit()
 
     return len(rows)