feat(Core/UI): 백테스트 전역 엔진 선택 버튼 추가 및 스캘핑 Rust 방어로직 포팅 1차 완료

scripts/feed_collect_stats_add_indexes.sql

@@ -0,0 +1,24 @@
+-- 수집통계 1단계: 일자 범위 인덱스 (타입 변경 없음)
+-- database.py _migrate_feed_collect_stats_indexes() 와 동일
+-- 420万+ 행이면 5~30분 · 장외 권장 · INPLACE LOCK=NONE
+
+USE kis_quant_db;
+
+ALTER TABLE ws_ticks
+  ADD INDEX idx_ws_ticks_tick_time (tick_time),
+  ADD INDEX idx_ws_ticks_day_src (tick_time, source),
+  ADD INDEX idx_ws_ticks_src_code_recv (source, code, recv_ts),
+  ALGORITHM=INPLACE, LOCK=NONE;
+
+ALTER TABLE ws_orderbook
+  ADD INDEX idx_ws_ob_snap (snap_time),
+  ADD INDEX idx_ws_ob_snap_src (snap_time, source),
+  ALGORITHM=INPLACE, LOCK=NONE;
+
+ALTER TABLE ws_ticks_us
+  ADD INDEX idx_ws_ticks_us_tick_time (tick_time),
+  ALGORITHM=INPLACE, LOCK=NONE;
+
+ALTER TABLE ls_ws_orderbook
+  ADD INDEX idx_ls_ob_snap (snap_time),
+  ALGORITHM=INPLACE, LOCK=NONE;