n봉 침체 터치 조건 추가

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

@@ -36,6 +36,8 @@ public class LiveConditionStatusService {
             Map.entry("CROSS_UP", "상향 돌파"),
             Map.entry("CROSS_DOWN", "하향 돌파"),
             Map.entry("SLOPE_UP", "상승 중"),
+            Map.entry("LOWEST_LTE", "N봉 최저 ≤"),
+            Map.entry("LOWEST_GTE", "N봉 최저 ≥"),
             Map.entry("SLOPE_DOWN", "하락 중")
     );
 

backend/src/main/java/com/goldenchart/service/StrategyDslToTa4jAdapter.java

@@ -411,6 +411,7 @@ public class StrategyDslToTa4jAdapter {
         int    rightPeriod = cond.path("rightPeriod").asInt(-1);
         int    slopePeriod = cond.path("slopePeriod").asInt(3);
         int    holdDays    = cond.path("holdDays").asInt(3);
+        int    lookbackPeriod = cond.path("lookbackPeriod").asInt(20);
 
         if (needsCrossTimeframeComposite(cond, ctx)) {
             return buildCrossTimeframeCompositeRule(cond, ctx);
@@ -468,6 +469,16 @@ public class StrategyDslToTa4jAdapter {
                             new ConstantIndicator<>(series, series.numFactory().numOf(v)));
                 }
                 case "HOLD_N_DAYS" -> buildHoldRule(new OverIndicatorRule(left, right), holdDays);
+                case "LOWEST_LTE" -> {
+                    Indicator<Num> rollingMin = new LowestValueIndicator(left, lookbackPeriod);
+                    yield new OrRule(new UnderIndicatorRule(rollingMin, right),
+                            buildEqRule(rollingMin, right, series));
+                }
+                case "LOWEST_GTE" -> {
+                    Indicator<Num> rollingMin = new LowestValueIndicator(left, lookbackPeriod);
+                    yield new OrRule(new OverIndicatorRule(rollingMin, right),
+                            buildEqRule(rollingMin, right, series));
+                }
                 // ── 일목균형표 전용 ────────────────────────────────────────────
                 case "ABOVE_CLOUD"             -> buildCloudAboveRule(series, indParams);
                 case "BELOW_CLOUD"             -> buildCloudBelowRule(series, indParams);

backend/src/test/java/com/goldenchart/service/ComplexStrategyDslAdapterTest.java

@@ -288,6 +288,28 @@ class ComplexStrategyDslAdapterTest {
         assertDoesNotThrow(() -> rule.isSatisfied(primary1m.getEndIndex(), null));
     }
 
+    @Test
+    void stochLowestLte_compilesAndEvaluates() throws Exception {
+        JsonNode cond = MAPPER.readTree("""
+            {
+              "id": "c-stoch-lowest",
+              "type": "CONDITION",
+              "condition": {
+                "indicatorType": "STOCHASTIC",
+                "conditionType": "LOWEST_LTE",
+                "leftField": "STOCH_K",
+                "rightField": "HL_UNDER",
+                "lookbackPeriod": 20,
+                "candleRange": 1
+              }
+            }
+            """);
+
+        Rule rule = adapter.toRule(cond, primary1m, Map.of());
+        assertNotNull(rule);
+        assertDoesNotThrow(() -> evaluateRange(rule, primary1m.getEndIndex()));
+    }
+
   // ── helpers ────────────────────────────────────────────────────────────────
 
     private static void evaluateRange(Rule rule, int endIndex) {