전략조건 상세설명 기능 추가

backend/src/main/java/com/goldenchart/service/StrategyService.java

@@ -20,6 +20,7 @@ public class StrategyService {
 
     private final GcStrategyRepository repository;
     private final ObjectMapper objectMapper;
+    private final StrategyConditionTimeframeService conditionTimeframes;
 
     // ── 조회 ──────────────────────────────────────────────────────────────────
 
@@ -61,13 +62,16 @@ public class StrategyService {
             log.warn("전략 DSL 직렬화 실패: {}", e.getMessage());
         }
 
-        return toDto(repository.save(entity));
+        GcStrategy saved = repository.save(entity);
+        conditionTimeframes.invalidate(saved.getId());
+        return toDto(saved);
     }
 
     // ── 삭제 ──────────────────────────────────────────────────────────────────
 
     @Transactional
     public void delete(Long id) {
+        conditionTimeframes.invalidate(id);
         repository.deleteById(id);
     }