모의투자 로직 변경

backend/src/main/resources/db/migration/V54__trading_user_scope_reset.sql

@@ -0,0 +1,18 @@
+-- V54: 매매 데이터 초기화 + 비회원(device-only) 실시간 전략 체크 OFF
+-- 로그인 userId 단일 계좌·자동매매 전환 (기존 device 계좌 데이터 폐기)
+
+UPDATE gc_live_strategy_settings
+SET is_live_check = 0
+WHERE user_id IS NULL;
+
+DELETE FROM gc_paper_order;
+DELETE FROM gc_paper_trade;
+DELETE FROM gc_paper_cash_ledger;
+DELETE FROM gc_paper_daily_snapshot;
+DELETE FROM gc_paper_reset_log;
+DELETE FROM gc_paper_symbol_allocation;
+DELETE FROM gc_paper_position;
+DELETE FROM gc_paper_account;
+
+DELETE FROM gc_trade_signal;
+DELETE FROM gc_live_trade;