fix: 실패율 초과 FAILED 이력에 신규/변경/누락/실패 건수가 기록되지 않음

src/main/java/com/bop/youthpick/sync/entity/PolicyBatchHistory.java

@@ -93,12 +93,34 @@ public void succeed(
         this.errorCount = errorCount;
     }
 
+    /** 원인 불명 조기 실패용(예: API fetch 자체가 실패해 아무것도 처리 못 한 경우) — 카운트는 전부 0으로 남는다. */
     public void fail(String message) {
         this.status = BatchStatus.FAILED;
         this.finishedAt = LocalDateTime.now();
-        this.failureMessage =
-                message != null && message.length() > FAILURE_MESSAGE_MAX
-                        ? message.substring(0, FAILURE_MESSAGE_MAX)
-                        : message;
+        this.failureMessage = truncate(message);
+    }
+
+    /** 실패율 초과 등 일부라도 처리된 뒤 실패 처리하는 경우 — succeed와 동일한 카운트를 함께 남긴다. */
+    public void fail(
+            String message,
+            int newCount,
+            int updatedCount,
+            int unchangedCount,
+            int missingCount,
+            int errorCount) {
+        this.status = BatchStatus.FAILED;
+        this.finishedAt = LocalDateTime.now();
+        this.failureMessage = truncate(message);
+        this.newCount = newCount;
+        this.updatedCount = updatedCount;
+        this.unchangedCount = unchangedCount;
+        this.missingCount = missingCount;
+        this.errorCount = errorCount;
+    }
+
+    private static String truncate(String message) {
+        return message != null && message.length() > FAILURE_MESSAGE_MAX
+                ? message.substring(0, FAILURE_MESSAGE_MAX)
+                : message;
     }
 }

src/main/java/com/bop/youthpick/sync/service/PolicySyncService.java

@@ -106,7 +106,13 @@ private PolicyBatchHistory doRunFullSync() {
                         "정책 수집 실패율 10%% 초과 — 에러 건수: %d/%d (%.2f%%)"
                                 .formatted(
                                         writeResult.errorCount(), totalProcessed, errorRate * 100);
-                history.fail(errorMsg);
+                history.fail(
+                        errorMsg,
+                        writeResult.newCount(),
+                        writeResult.updatedCount(),
+                        plan.unchangedCount(),
+                        missingMarked,
+                        writeResult.errorCount());
                 log.error("정책 수집 완료되었으나 실패율 기준 초과로 작업 실패 처리함: {}", errorMsg);
             } else {
                 history.succeed(

src/test/java/com/bop/youthpick/sync/entity/PolicyBatchHistoryTest.java

@@ -63,4 +63,31 @@ class PolicyBatchHistoryTest {
 
         assertThat(history.getFailureMessage()).hasSize(1000);
     }
+
+    @Test
+    void 카운트를_포함한_fail은_FAILED_상태와_함께_신규_변경_유지_누락_실패_건수를_기록한다() {
+        PolicyBatchHistory history = PolicyBatchHistory.request(BatchMode.FULL);
+        history.start();
+
+        history.fail("정책 수집 실패율 10% 초과 — 에러 건수: 12/12 (100.00%)", 0, 0, 0, 0, 12);
+
+        assertThat(history.getStatus()).isEqualTo(BatchStatus.FAILED);
+        assertThat(history.getFinishedAt()).isNotNull();
+        assertThat(history.getFailureMessage()).contains("12/12");
+        assertThat(history.getNewCount()).isZero();
+        assertThat(history.getUpdatedCount()).isZero();
+        assertThat(history.getUnchangedCount()).isZero();
+        assertThat(history.getMissingCount()).isZero();
+        assertThat(history.getErrorCount()).isEqualTo(12);
+    }
+
+    @Test
+    void 카운트를_포함한_fail도_실패_메시지가_컬럼_한도를_넘으면_잘라서_기록한다() {
+        PolicyBatchHistory history = PolicyBatchHistory.request(BatchMode.FULL);
+
+        history.fail("가".repeat(2000), 1, 2, 3, 4, 5);
+
+        assertThat(history.getFailureMessage()).hasSize(1000);
+        assertThat(history.getErrorCount()).isEqualTo(5);
+    }
 }

src/test/java/com/bop/youthpick/sync/service/PolicySyncServiceTest.java

@@ -229,6 +229,33 @@ void cleanUp() {
 
         assertThat(result.getStatus()).isEqualTo(BatchStatus.FAILED);
         assertThat(result.getFailureMessage()).contains("정책 수집 실패율 10% 초과").contains("2/10");
+        // #205: FAILED 처리돼도 실제 처리된 신규/변경/유지/누락/실패 건수는 버려지지 않고 그대로 남아야 한다.
+        assertThat(result.getNewCount()).isEqualTo(8);
+        assertThat(result.getUpdatedCount()).isZero();
+        assertThat(result.getUnchangedCount()).isZero();
+        assertThat(result.getMissingCount()).isZero();
+        assertThat(result.getErrorCount()).isEqualTo(2);
+    }
+
+    @Test
+    void 실패율_초과로_전량_실패해도_실패_건수가_이력에_그대로_기록된다() throws IOException {
+        // #205 재현: 모든 건이 저장 실패(예: 컬럼 길이 초과)해도 카운트가 0으로 버려지면 안 된다.
+        String tooLongTitle = "가".repeat(301);
+        List<YouthPolicyItem> items = new java.util.ArrayList<>();
+        for (int i = 0; i < 12; i++) {
+            items.add(item("{\"plcyNo\":\"P-BAD-" + i + "\",\"plcyNm\":\"" + tooLongTitle + "\"}"));
+        }
+        when(policyApiClient.fetchAll()).thenReturn(items);
+
+        PolicyBatchHistory result = policySyncService.runFullSync();
+
+        assertThat(result.getStatus()).isEqualTo(BatchStatus.FAILED);
+        assertThat(result.getFailureMessage()).contains("12/12");
+        assertThat(result.getNewCount()).isZero();
+        assertThat(result.getUpdatedCount()).isZero();
+        assertThat(result.getUnchangedCount()).isZero();
+        assertThat(result.getMissingCount()).isZero();
+        assertThat(result.getErrorCount()).isEqualTo(12);
     }
 
     @Test