refactor: enhance Optuna backtesting framework, optimize orderbook filtering, and update database management utilities.

scratch/db_th_env.py

@@ -0,0 +1,29 @@
+import sys
+import json
+sys.path.append('/home/hoon/kis_bot')
+from database import TradeDB
+
+def check_db():
+    db = TradeDB()
+    try:
+        # Check last 5 momentum trades
+        trades = db.conn.execute(
+            "SELECT code, name, env_snapshot FROM trade_history WHERE strategy='MOMENTUM' ORDER BY id DESC LIMIT 5"
+        ).fetchall()
+        for t in trades:
+            print(f"Code: {t['code']}, Name: {t['name']}")
+            if t['env_snapshot']:
+                try:
+                    snap = json.loads(t['env_snapshot'])
+                    ob = snap.get("orderbook", {})
+                    print("  Orderbook snapshot:", ob)
+                    print("  Entry features:", snap.get("entry_features", {}))
+                except Exception as e:
+                    print("  Error parsing JSON:", e)
+            else:
+                print("  env_snapshot is NULL")
+    finally:
+        db.close()
+
+if __name__ == "__main__":
+    check_db()