feat: Enhance Optuna integration and logging for backtesting framework

Changes:
- Added new API endpoints for continuing and confirming Optuna jobs, allowing for better management of ongoing studies.
- Introduced detailed logging for tick feed tracking and order book processing, improving traceability of vendor performance during backtests.
- Updated database schema to include new fields for managing Optuna study results, enhancing the ability to track study progress and outcomes.
- Refactored existing functions to utilize the new logging and tracking features, ensuring consistency across the backtesting framework.

Impact:
- These enhancements improve the robustness and transparency of the Optuna backtesting process, facilitating better analysis and optimization of trading strategies.

scripts/run_optuna_4strat_tpe_seq.sh

@@ -18,6 +18,7 @@ START="${START:-2026-07-20}"
 END="${END:-2026-07-21}"
 MODE="${MODE:-tpe}"
 TRIALS="${TRIALS:-200}"
+STUDY_TRIALS="${STUDY_TRIALS:-}"
 MIN_TRADES="${MIN_TRADES:-1}"
 # 탐색 게이트 OFF — TPE 학습. 사후 후보는 JSON results_gated (REPORT_MIN_*)
 MIN_WIN_RATE="${MIN_WIN_RATE:-0}"
@@ -40,7 +41,7 @@ MASTER="logs/optuna_4strat_tpe_${START}_${END}_${TS0}_master.log"
 
 {
   echo "======== Optuna 4전략 TPE 순차 시작 $(date -Is) ========"
-  echo "START=$START END=$END MODE=$MODE TRIALS=$TRIALS"
+  echo "START=$START END=$END MODE=$MODE TRIALS=$TRIALS STUDY_TRIALS=${STUDY_TRIALS:-}"
   echo "STRATEGIES=$STRATEGIES"
   echo "TAIL_OPTUNA_ENTRY_MODES=$TAIL_OPTUNA_ENTRY_MODES"
   echo "BREAKOUT_OPTUNA_SL_MODES=$BREAKOUT_OPTUNA_SL_MODES"
@@ -80,6 +81,17 @@ run_one() {
   } | tee -a "$MASTER"
   echo "$log" > "logs/optuna_${strat}_tpe_latest.logpath"
   echo "$study" > "logs/optuna_${strat}_tpe_latest.study"
+  # 웹 진행률: 전역 latest.study 가 이전 전략에 남으면 바가 1번에서 멈춤 → 잡별 파일
+  if [[ -n "${OPTUNA_SEQ_ACTIVE_FILE:-}" ]]; then
+    extra="${entry_mode:-${sl_mode:-}}"
+    {
+      echo "strategy=$strat"
+      echo "study=$study"
+      echo "entry_mode=${entry_mode:-}"
+      echo "sl_mode=${sl_mode:-}"
+      echo "extra=${extra}"
+    } > "$OPTUNA_SEQ_ACTIVE_FILE"
+  fi
 
   set +e
   set +e
@@ -98,6 +110,9 @@ run_one() {
     --sort-by "$sort_by"
     --universe-history-source "$UNIVERSE_HISTORY_SOURCE"
   )
+  if [[ -n "${STUDY_TRIALS:-}" && "${STUDY_TRIALS}" != "0" ]]; then
+    cmd_args+=(--study-trials "$STUDY_TRIALS")
+  fi
   if [[ "$strat" == "tail" && -n "$entry_mode" ]]; then
     cmd_args+=(--entry-mode "$entry_mode")
   fi