feat(옵투나): score·min_trades·후처리 재탐색 및 웹 job 개선

PnL/(MDD+ADD) score·legacy 정렬·거래일×min_trades 게이트를 공통화한다.
후처리 ob_modes·study store·4전략 TPE 순차 스크립트와 문서를 갱신한다.

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

scripts/run_optuna_4strat_tpe_seq.sh

@@ -76,14 +76,18 @@ run_one() {
     study="${strat}_${bo_extra}_tpe_${START//-/}_${END//-/}_${ts}"
     log="logs/optuna_${strat}_${bo_extra}_tpe_${ts}.log"
   fi
-  sort_by="pnl"
-  case "$strat" in
-    momentum|us_momentum|scalp) sort_by="score" ;;
+  sort_by="${SORT_BY:-score}"
+  case "$sort_by" in
+    score|score_legacy|pnl|daily_avg|win_rate) ;;
+    *) sort_by="score" ;;
   esac
 
+  local min_trades_arg
+  min_trades_arg=$("$PY" -c "from kis_trader.backtest.optuna_common import resolve_optuna_min_trades; print(resolve_optuna_min_trades('${START}', '${END}', '${strat}')['min_trades'])")
+
   {
     echo ""
-    echo "-------- [$strat${entry_mode:+/$entry_mode}${sl_mode:+/$sl_mode}${bo_extra:+/$bo_extra}] START $(date -Is) study=$study univ=$UNIVERSE_HISTORY_SOURCE --------"
+    echo "-------- [$strat${entry_mode:+/$entry_mode}${sl_mode:+/$sl_mode}${bo_extra:+/$bo_extra}] START $(date -Is) study=$study univ=$UNIVERSE_HISTORY_SOURCE min_trades=$min_trades_arg --------"
   } | tee -a "$MASTER"
   echo "$log" > "logs/optuna_${strat}_tpe_latest.logpath"
   echo "$study" > "logs/optuna_${strat}_tpe_latest.study"
@@ -112,7 +116,7 @@ run_one() {
     --start "$START"
     --end "$END"
     --trials "$TRIALS"
-    --min_trades "$MIN_TRADES"
+    --min_trades "$min_trades_arg"
     --min_win_rate "$MIN_WIN_RATE"
     --min_pf "$MIN_PF"
     --orderbook-filter "$([[ "$strat" == "breakout" ]] && echo "$ob_mode" || echo off)"