优化

firstleg/src/main/java/com/baiyue/firstleg/portschedule/service/CarrierScheduleQueryScheduler.java

@@ -39,12 +39,8 @@ public class CarrierScheduleQueryScheduler {
         this.repository = repository; this.service = service; this.integration = integration;
     }
 
-    @Scheduled(cron = "${baiyue.carrier-schedule.scheduler.cron-morning:0 0 9 * * *}",
-        zone = "${baiyue.carrier-schedule.scheduler.zone:Asia/Shanghai}")
-    @Scheduled(cron = "${baiyue.carrier-schedule.scheduler.cron-noon:0 30 12 * * *}",
-        zone = "${baiyue.carrier-schedule.scheduler.zone:Asia/Shanghai}")
-    @Scheduled(cron = "${baiyue.carrier-schedule.scheduler.cron-afternoon:0 0 16 * * *}",
-        zone = "${baiyue.carrier-schedule.scheduler.zone:Asia/Shanghai}")
+    @Scheduled(fixedDelayString = "${baiyue.carrier-schedule.scheduler.scan-fixed-delay:PT1M}",
+        initialDelayString = "${baiyue.carrier-schedule.scheduler.scan-initial-delay:PT10S}")
     public void poll() {
         LocalDateTime triggerAt = LocalDateTime.ofInstant(clock.instant(), ZoneId.of(scheduleZone));
         int batch = Math.max(1, Math.min(batchSize, 100));
@@ -65,6 +61,7 @@ public class CarrierScheduleQueryScheduler {
     /** Executes only after this worker wins the database lease. */
     void execute(CarrierScheduleQueryEntity candidate, LocalDateTime now) {
         if (!repository.claimLease(candidate.getId(), workerId, now, now.plus(leaseDuration))) return;
+        if (service.deferMissedNormalSlot(candidate.getId(), now)) return;
         try {
             var response = integration.query(internalToken,
                 new QueryRequest(candidate.getCarrierCode(), candidate.getTrackingType(), candidate.getTrackingNo()));

firstleg/src/main/java/com/baiyue/firstleg/portschedule/service/CarrierScheduleQueryService.java

@@ -53,6 +53,7 @@ import java.util.Set;
 
 @Service
 public class CarrierScheduleQueryService {
+    static final int MAX_SLOT_ATTEMPTS = 3;
     private static final Set<String> TRACKING_TYPES = Set.of("BOOKING_NO", "BILL_OF_LADING", "CONTAINER_NO");
 
     @Resource private CarrierScheduleQueryRepository repository;
@@ -217,34 +218,76 @@ public class CarrierScheduleQueryService {
         return false;
     }
 
+    @Transactional
+    public boolean deferMissedNormalSlot(long id, LocalDateTime scanAt) {
+        CarrierScheduleQueryEntity value = requiredLocked(id);
+        if ("STOPPED".equals(value.getStatus())) return false;
+        int attempts = value.getAttemptCount() == null ? 0 : value.getAttemptCount();
+        boolean staleRetry = attempts > 0 && value.getWindowStartedAt() != null
+            && !scanAt.isBefore(CarrierScheduleQuerySlots.nextSlot(value.getWindowStartedAt()));
+        if (staleRetry) {
+            LocalDateTime currentSlot = CarrierScheduleQuerySlots.fixedSlotInCurrentMinute(scanAt);
+            if (currentSlot != null) {
+                value.setNextAllowedAt(currentSlot); value.setWindowStartedAt(currentSlot);
+                value.setAttemptCount(0); value.setConsecutiveFailures(0);
+                if (repository.updateState(value, value.getVersion(), 0L, "carrier-scheduler") != 1) throw concurrent();
+                return false;
+            }
+        } else if (!CarrierScheduleQuerySlots.isMissedNormalSlot(
+            value.getNextAllowedAt(), value.getAttemptCount(), scanAt)) return false;
+        value.setLeaseOwner(null); value.setLeaseUntil(null);
+        value.setNextAllowedAt(CarrierScheduleQuerySlots.nextSlot(scanAt));
+        value.setWindowStartedAt(value.getNextAllowedAt());
+        value.setAttemptCount(0); value.setConsecutiveFailures(0);
+        if (repository.updateState(value, value.getVersion(), 0L, "carrier-scheduler") != 1) throw concurrent();
+        return true;
+    }
+
     @Transactional
     public void completeScheduledAttempt(long id, String outcome, String errorCode, String errorMessage) {
         CarrierScheduleQueryEntity value = requiredLocked(id);
-        insertAttempt(value, outcome, errorCode, errorMessage);
+        int slotAttemptNo = Math.min(MAX_SLOT_ATTEMPTS, increment(value.getAttemptCount()));
+        insertAttempt(value, slotAttemptNo, outcome, errorCode, errorMessage);
         if ("STOPPED".equals(value.getStatus())) return;
         CarrierScheduleQueryEntity before = copy(value);
         LocalDateTime now = now();
         value.setLeaseOwner(null); value.setLeaseUntil(null); value.setLastAttemptAt(now);
         value.setLastAttemptStatus(outcome); value.setLastErrorCode(trim(errorCode));
         value.setLastErrorMessage(trim(errorMessage));
-        boolean success = "SUCCESS".equals(outcome) || "NO_CHANGE".equals(outcome);
-        value.setStatus("MANUAL_REQUIRED".equals(outcome) || "PERMANENT_FAILURE".equals(outcome)
-            ? "MANUAL_REQUIRED" : "READY");
-        value.setConsecutiveFailures(success ? 0 : increment(value.getConsecutiveFailures()));
-        value.setAttemptCount(increment(value.getAttemptCount()));
-        if (value.getWindowStartedAt() == null) value.setWindowStartedAt(now);
-        value.setNextAllowedAt(CarrierScheduleQuerySlots.nextSlot(now));
+        LocalDateTime nextFixedSlot = CarrierScheduleQuerySlots.nextSlot(now);
+        if ("RETRYABLE_FAILURE".equals(outcome)) {
+            value.setStatus("READY");
+            value.setConsecutiveFailures(slotAttemptNo);
+            LocalDateTime retryAt = now.plusMinutes(15L << Math.max(0, slotAttemptNo - 1));
+            if (slotAttemptNo < MAX_SLOT_ATTEMPTS && retryAt.isBefore(nextFixedSlot)) {
+                if (slotAttemptNo == 1 || value.getWindowStartedAt() == null) {
+                    value.setWindowStartedAt(value.getNextAllowedAt());
+                }
+                value.setAttemptCount(slotAttemptNo); value.setNextAllowedAt(retryAt);
+            } else {
+                resetForNextFixedSlot(value, nextFixedSlot);
+            }
+        } else {
+            value.setStatus("MANUAL_REQUIRED".equals(outcome) || "PERMANENT_FAILURE".equals(outcome)
+                ? "MANUAL_REQUIRED" : "READY");
+            resetForNextFixedSlot(value, nextFixedSlot);
+        }
         if (repository.updateState(value, value.getVersion(), 0L, "carrier-scheduler") != 1) throw concurrent();
         CarrierScheduleQueryEntity after = required(id);
         addHistory(id, "PROVIDER_QUERY", before.getVersion(), after.getVersion(), outcome, before, after, 0L,
             "carrier-scheduler");
     }
 
-    private void insertAttempt(CarrierScheduleQueryEntity value, String outcome,
+    private static void resetForNextFixedSlot(CarrierScheduleQueryEntity value, LocalDateTime nextFixedSlot) {
+        value.setConsecutiveFailures(0); value.setAttemptCount(0);
+        value.setWindowStartedAt(nextFixedSlot); value.setNextAllowedAt(nextFixedSlot);
+    }
+
+    private void insertAttempt(CarrierScheduleQueryEntity value, int slotAttemptNo, String outcome,
                                String errorCode, String errorMessage) {
         CarrierScheduleQueryAttemptEntity attempt = new CarrierScheduleQueryAttemptEntity();
         attempt.setId(IdWorker.getId()); attempt.setQueryId(value.getId());
-        attempt.setWindowAttemptNo(increment(value.getAttemptCount()));
+        attempt.setWindowAttemptNo(slotAttemptNo);
         attempt.setCarrierCode(value.getCarrierCode()); attempt.setAccessMode(value.getAccessMode());
         attempt.setOfficialUrl(value.getOfficialUrl()); attempt.setAttemptStatus(outcome);
         boolean manual = "MANUAL_REQUIRED".equals(outcome);
@@ -301,7 +344,8 @@ public class CarrierScheduleQueryService {
         value.setStatus("READY"); value.setResultPortScheduleId(schedule.getId());
         value.setLastSuccessAt(now); value.setSourceUpdatedAt(schedule.getObservedAt());
         value.setExpiresAt(schedule.getExpiresAt()); value.setNextAllowedAt(CarrierScheduleQuerySlots.nextSlot(now));
-        value.setWindowStartedAt(now); value.setLastAttemptStatus("MANUAL_COMPLETED");
+        value.setWindowStartedAt(value.getNextAllowedAt()); value.setAttemptCount(0);
+        value.setConsecutiveFailures(0); value.setLastAttemptStatus("MANUAL_COMPLETED");
         value.setManualReason(trim(request.reason())); value.setLastErrorCode(null); value.setLastErrorMessage(null);
         if (repository.updateState(value, request.expectedVersion(), operatorId, operatorName) != 1) throw concurrent();
         CarrierScheduleQueryEntity after = required(id);

firstleg/src/main/java/com/baiyue/firstleg/portschedule/service/CarrierScheduleQuerySlots.java

@@ -17,4 +17,28 @@ public final class CarrierScheduleQuerySlots {
         if (now.toLocalTime().isBefore(AFTERNOON)) return now.toLocalDate().atTime(AFTERNOON);
         return now.toLocalDate().plusDays(1).atTime(MORNING);
     }
+
+    public static boolean isFixedSlot(LocalDateTime value) {
+        if (value == null || value.getSecond() != 0 || value.getNano() != 0) return false;
+        return value.toLocalTime().equals(MORNING) || value.toLocalTime().equals(NOON)
+            || value.toLocalTime().equals(AFTERNOON);
+    }
+
+    public static boolean isWithinFixedSlotMinute(LocalDateTime value) {
+        if (value == null) return false;
+        LocalTime minute = value.toLocalTime().withSecond(0).withNano(0);
+        return minute.equals(MORNING) || minute.equals(NOON) || minute.equals(AFTERNOON);
+    }
+
+    public static LocalDateTime fixedSlotInCurrentMinute(LocalDateTime value) {
+        return isWithinFixedSlotMinute(value) ? value.withSecond(0).withNano(0) : null;
+    }
+
+    /** A normal slot is executable only during its scheduled minute; technical retry times are unaffected. */
+    public static boolean isMissedNormalSlot(LocalDateTime nextAllowedAt, Integer attemptCount,
+                                             LocalDateTime scanAt) {
+        return (attemptCount == null || attemptCount == 0) && isFixedSlot(nextAllowedAt)
+            && !isWithinFixedSlotMinute(scanAt)
+            && !scanAt.isBefore(nextAllowedAt.plusMinutes(1));
+    }
 }

firstleg/src/main/resources/application.yml

@@ -35,9 +35,8 @@ baiyue:
       hede-automated: ${HEDE_TRACKING_ENABLED:false}
     scheduler:
       zone: ${CARRIER_SCHEDULE_ZONE:Asia/Shanghai}
-      cron-morning: ${CARRIER_SCHEDULE_CRON_MORNING:0 0 9 * * *}
-      cron-noon: ${CARRIER_SCHEDULE_CRON_NOON:0 30 12 * * *}
-      cron-afternoon: ${CARRIER_SCHEDULE_CRON_AFTERNOON:0 0 16 * * *}
+      scan-fixed-delay: ${CARRIER_SCHEDULE_SCAN_FIXED_DELAY:PT1M}
+      scan-initial-delay: ${CARRIER_SCHEDULE_SCAN_INITIAL_DELAY:PT10S}
       batch-size: ${CARRIER_SCHEDULE_BATCH_SIZE:20}
       max-tasks-per-trigger: ${CARRIER_SCHEDULE_MAX_TASKS_PER_TRIGGER:2000}
       lease-duration: ${CARRIER_SCHEDULE_LEASE_DURATION:PT5M}

firstleg/src/main/resources/db/phase3-carrier-schedule-query-schema.sql

@@ -21,10 +21,10 @@ CREATE TABLE IF NOT EXISTS fl_carrier_schedule_query (
   stop_reason VARCHAR(500) NULL COMMENT '任务停止原因',
   lease_owner VARCHAR(64) NULL COMMENT '当前调度租约持有者',
   lease_until DATETIME(3) NULL COMMENT '当前调度租约过期时间',
-  consecutive_failures INT UNSIGNED NOT NULL DEFAULT 0 COMMENT '连续失败次数诊断值；不改变固定查询槽位',
-  window_started_at DATETIME(3) NOT NULL COMMENT '首次进入自动查询调度的时间',
-  attempt_count INT UNSIGNED NOT NULL DEFAULT 0 COMMENT '累计自动查询调用次数',
-  next_allowed_at DATETIME(3) NULL COMMENT '下一个09:00、12:30或16:00固定查询槽位；停止后为空',
+  consecutive_failures INT UNSIGNED NOT NULL DEFAULT 0 COMMENT '当前正常查询槽位内的连续技术失败次数',
+  window_started_at DATETIME(3) NOT NULL COMMENT '当前正常查询槽位时间',
+  attempt_count INT UNSIGNED NOT NULL DEFAULT 0 COMMENT '当前正常查询槽位已调用次数；最多3次',
+  next_allowed_at DATETIME(3) NULL COMMENT '下一正常槽位或槽内技术退避时间；停止后为空',
   last_attempt_at DATETIME(3) NULL COMMENT '最近一次查询尝试时间',
   last_success_at DATETIME(3) NULL COMMENT '最近一次取得有效结果时间',
   source_updated_at DATETIME(3) NULL COMMENT '船公司官网展示的结果更新时间',
@@ -64,13 +64,14 @@ CREATE TABLE IF NOT EXISTS fl_carrier_schedule_query (
   CONSTRAINT chk_carrier_schedule_query_node CHECK
     (latest_standard_node IS NULL OR latest_standard_node IN
       ('DEPARTED_WAREHOUSE','AT_ORIGIN_PORT','LOADED_ON_VESSEL','DEPARTED_ORIGIN_PORT','IN_TRANSIT',
-       'ARRIVED_DESTINATION_PORT','DISCHARGED_FROM_VESSEL','PICKUP_READY','PICKED_UP','EMPTY_RETURNED'))
-) ENGINE=InnoDB COMMENT='六家船公司固定时刻自动查询任务';
+       'ARRIVED_DESTINATION_PORT','DISCHARGED_FROM_VESSEL','PICKUP_READY','PICKED_UP','EMPTY_RETURNED')),
+  CONSTRAINT chk_carrier_schedule_query_attempt CHECK (attempt_count BETWEEN 0 AND 3)
+) ENGINE=InnoDB COMMENT='六家船公司固定槽位与技术退避查询任务';
 
 CREATE TABLE IF NOT EXISTS fl_carrier_schedule_query_attempt (
   id BIGINT UNSIGNED NOT NULL COMMENT '船司官网查询尝试ID',
   query_id BIGINT UNSIGNED NOT NULL COMMENT '所属船司官网查询任务ID',
-  window_attempt_no INT UNSIGNED NOT NULL COMMENT '任务累计自动查询调用序号',
+  window_attempt_no INT UNSIGNED NOT NULL COMMENT '当前正常查询槽位内的调用序号；取值1至3',
   carrier_code VARCHAR(16) NOT NULL COMMENT '本次尝试的船公司编码快照',
   access_mode VARCHAR(32) NOT NULL COMMENT '本次尝试的官网访问方式快照',
   official_url VARCHAR(500) NOT NULL COMMENT '本次尝试使用的官网地址快照',
@@ -86,6 +87,7 @@ CREATE TABLE IF NOT EXISTS fl_carrier_schedule_query_attempt (
   PRIMARY KEY (id),
   KEY idx_carrier_schedule_attempt_query (query_id,created_at,id),
   CONSTRAINT fk_carrier_schedule_attempt_query FOREIGN KEY (query_id) REFERENCES fl_carrier_schedule_query(id),
+  CONSTRAINT chk_carrier_schedule_attempt_no CHECK (window_attempt_no BETWEEN 1 AND 3),
   CONSTRAINT chk_carrier_schedule_attempt_status CHECK
     (attempt_status IN ('SUCCESS','NO_CHANGE','RETRYABLE_FAILURE','PERMANENT_FAILURE','MANUAL_REQUIRED'))
 ) ENGINE=InnoDB COMMENT='船司官网查询尝试不可变审计';

firstleg/src/main/resources/openapi/carrier-schedule-query-v1.yaml

@@ -25,7 +25,7 @@ paths:
         - {name: page, in: query, schema: {type: integer, minimum: 1, default: 1}}
         - {name: size, in: query, schema: {type: integer, minimum: 1, maximum: 200, default: 20}}
       responses:
-        '200': {description: Query tasks with source and freshness fields; automatic execution uses the fixed Shanghai slots}
+        '200': {description: Query tasks with source and freshness fields; normal execution uses fixed Shanghai slots while retryable technical failures may retry within the current slot}
     post:
       summary: Create a query task linked to a real booking and allocated container
       x-permission: platform:firstleg:port-schedule-query:create

firstleg/src/test/java/com/baiyue/firstleg/portschedule/repository/CarrierScheduleQuerySqlContractTest.java

@@ -19,10 +19,10 @@ class CarrierScheduleQuerySqlContractTest {
             .contains("CREATE TABLE IF NOT EXISTS fl_carrier_schedule_query_operation")
             .contains("CREATE TABLE IF NOT EXISTS fl_carrier_schedule_node_fact")
             .contains("CREATE TABLE IF NOT EXISTS fl_carrier_schedule_exception_fact")
-            .contains("累计自动查询调用次数")
-            .contains("下一个09:00、12:30或16:00固定查询槽位")
-            .doesNotContain("attempt_count BETWEEN 0 AND 3")
-            .doesNotContain("window_attempt_no BETWEEN 1 AND 3")
+            .contains("当前正常查询槽位已调用次数；最多3次")
+            .contains("下一正常槽位或槽内技术退避时间")
+            .contains("attempt_count BETWEEN 0 AND 3")
+            .contains("window_attempt_no BETWEEN 1 AND 3")
             .contains("UNIQUE KEY uk_carrier_schedule_operation (operator_id,idempotency_key)")
             .contains("船司查询尝试不可修改")
             .contains("船司查询历史不可删除")
@@ -63,10 +63,24 @@ class CarrierScheduleQuerySqlContractTest {
             .contains("uk_carrier_schedule_query_scope")
             .contains("id IN (5102184,5102186,5102188)")
             .contains("assert_carrier_schedule_query_schema")
-            .contains("migrate_carrier_schedule_fixed_slots")
-            .contains("DROP CHECK chk_carrier_schedule_query_attempt")
-            .contains("DROP CHECK chk_carrier_schedule_attempt_no")
+            .contains("CREATE PROCEDURE migrate_carrier_schedule_retry_columns()")
+            .contains("ADD COLUMN trigger_source VARCHAR(32) NOT NULL DEFAULT 'MANUAL'")
+            .contains("ADD COLUMN latest_standard_node VARCHAR(32) NULL")
+            .contains("ADD COLUMN latest_node_observed_at DATETIME(3) NULL")
+            .contains("ADD COLUMN stopped_at DATETIME(3) NULL")
+            .contains("ADD COLUMN stop_reason VARCHAR(500) NULL")
+            .contains("ADD COLUMN consecutive_failures INT UNSIGNED NOT NULL DEFAULT 0")
+            .contains("ADD COLUMN window_started_at DATETIME(3) NULL")
+            .contains("ADD COLUMN attempt_count INT UNSIGNED NOT NULL DEFAULT 0")
+            .contains("ADD COLUMN next_allowed_at DATETIME(3) NULL")
+            .contains("ADD KEY idx_carrier_schedule_query_due (status,next_allowed_at,id)")
             .contains("SET @carrier_schedule_now = CONVERT_TZ(UTC_TIMESTAMP(3),'+00:00','+08:00')")
+            .contains("SET @carrier_schedule_next = CASE")
+            .contains("CREATE PROCEDURE ensure_carrier_schedule_retry_check()")
+            .contains("ADD CONSTRAINT chk_carrier_schedule_query_attempt CHECK (attempt_count BETWEEN 0 AND 3)")
+            .contains("统一迁移失败：船司查询固定槽位字段、索引或尝试次数约束不完整")
+            .doesNotContain("DROP CHECK chk_carrier_schedule_query_attempt")
+            .doesNotContain("\n+--")
             .contains("'PUBLIC_FORM','PUBLIC_WEB_PROXY','PUBLIC_HTML','HCAPTCHA','OFFICIAL_API'")
             .contains("船司查询任务角色授权未完整创建")
             .doesNotContain("'platform:firstleg:port-schedule-query:attempt','执行船司查询'");

firstleg/src/test/java/com/baiyue/firstleg/portschedule/service/CarrierScheduleQuerySchedulerTest.java

@@ -27,15 +27,15 @@ import static org.mockito.Mockito.when;
 
 class CarrierScheduleQuerySchedulerTest {
     @Test
-    void declaresExactlyThreeConfigurableShanghaiCronTriggers() throws Exception {
+    void declaresOneConfigurableDueScannerRatherThanDirectCarrierCronCalls() throws Exception {
         Scheduled[] schedules = CarrierScheduleQueryScheduler.class.getMethod("poll").getAnnotationsByType(Scheduled.class);
-        assertThat(schedules).hasSize(3);
-        assertThat(schedules).extracting(Scheduled::cron).containsExactlyInAnyOrder(
-            "${baiyue.carrier-schedule.scheduler.cron-morning:0 0 9 * * *}",
-            "${baiyue.carrier-schedule.scheduler.cron-noon:0 30 12 * * *}",
-            "${baiyue.carrier-schedule.scheduler.cron-afternoon:0 0 16 * * *}");
-        assertThat(schedules).extracting(Scheduled::zone)
-            .containsOnly("${baiyue.carrier-schedule.scheduler.zone:Asia/Shanghai}");
+        assertThat(schedules).singleElement().satisfies(value -> {
+            assertThat(value.fixedDelayString())
+                .isEqualTo("${baiyue.carrier-schedule.scheduler.scan-fixed-delay:PT1M}");
+            assertThat(value.initialDelayString())
+                .isEqualTo("${baiyue.carrier-schedule.scheduler.scan-initial-delay:PT10S}");
+            assertThat(value.cron()).isEmpty();
+        });
     }
 
     @Test

firstleg/src/test/java/com/baiyue/firstleg/portschedule/service/CarrierScheduleQueryServiceTest.java

@@ -231,10 +231,14 @@ class CarrierScheduleQueryServiceTest {
 
         outcomes.forEach(outcome -> service.completeScheduledAttempt(1L, outcome, null, null));
 
-        assertThat(tasks).allSatisfy(value -> {
-            assertThat(value.getNextAllowedAt()).isEqualTo(LocalDateTime.of(2026, 8, 10, 12, 30));
-            assertThat(value.getAttemptCount()).isEqualTo(1);
-        });
+        assertThat(tasks.get(0).getNextAllowedAt()).isEqualTo(LocalDateTime.of(2026, 8, 10, 12, 30));
+        assertThat(tasks.get(1).getNextAllowedAt()).isEqualTo(LocalDateTime.of(2026, 8, 10, 12, 30));
+        assertThat(tasks.get(2).getNextAllowedAt()).isEqualTo(LocalDateTime.of(2026, 8, 10, 12, 30));
+        assertThat(tasks.get(3).getNextAllowedAt()).isEqualTo(LocalDateTime.of(2026, 8, 10, 12, 15));
+        assertThat(tasks.get(4).getNextAllowedAt()).isEqualTo(LocalDateTime.of(2026, 8, 10, 12, 30));
+        assertThat(tasks.get(3).getAttemptCount()).isEqualTo(1);
+        assertThat(tasks).filteredOn(value -> value != tasks.get(3))
+            .allSatisfy(value -> assertThat(value.getAttemptCount()).isZero());
         assertThat(tasks.get(0).getStatus()).isEqualTo("READY");
         assertThat(tasks.get(1).getStatus()).isEqualTo("READY");
         assertThat(tasks.get(2).getStatus()).isEqualTo("MANUAL_REQUIRED");
@@ -242,6 +246,96 @@ class CarrierScheduleQueryServiceTest {
         assertThat(tasks.get(4).getStatus()).isEqualTo("MANUAL_REQUIRED");
     }
 
+    @Test
+    void retryableFailureUsesFifteenThenThirtyMinutesAndStopsAfterThreeCallsInTheSlot() throws Exception {
+        CarrierScheduleQueryEntity task = task(0, 0);
+        task.setStatus("READY"); task.setNextAllowedAt(LocalDateTime.of(2026, 8, 10, 9, 0));
+        when(repository.lock(1L)).thenReturn(task); when(repository.find(1L)).thenReturn(task);
+        when(repository.updateState(any(), any(Integer.class), anyLong(), anyString())).thenReturn(1);
+
+        set("clock", Clock.fixed(Instant.parse("2026-08-10T01:00:00Z"), ZoneOffset.UTC));
+        service.completeScheduledAttempt(1L, "RETRYABLE_FAILURE", "TIMEOUT", "timeout");
+        assertThat(task.getNextAllowedAt()).isEqualTo(LocalDateTime.of(2026, 8, 10, 9, 15));
+        assertThat(task.getAttemptCount()).isEqualTo(1);
+
+        set("clock", Clock.fixed(Instant.parse("2026-08-10T01:15:00Z"), ZoneOffset.UTC));
+        service.completeScheduledAttempt(1L, "RETRYABLE_FAILURE", "TIMEOUT", "timeout");
+        assertThat(task.getNextAllowedAt()).isEqualTo(LocalDateTime.of(2026, 8, 10, 9, 45));
+        assertThat(task.getAttemptCount()).isEqualTo(2);
+
+        set("clock", Clock.fixed(Instant.parse("2026-08-10T01:45:00Z"), ZoneOffset.UTC));
+        service.completeScheduledAttempt(1L, "RETRYABLE_FAILURE", "TIMEOUT", "timeout");
+        assertThat(task.getNextAllowedAt()).isEqualTo(LocalDateTime.of(2026, 8, 10, 12, 30));
+        assertThat(task.getAttemptCount()).isZero();
+
+        ArgumentCaptor<CarrierScheduleQueryAttemptEntity> attempts =
+            ArgumentCaptor.forClass(CarrierScheduleQueryAttemptEntity.class);
+        verify(repository, org.mockito.Mockito.times(3)).insert(attempts.capture());
+        assertThat(attempts.getAllValues()).extracting(CarrierScheduleQueryAttemptEntity::getWindowAttemptNo)
+            .containsExactly(1, 2, 3);
+    }
+
+    @Test
+    void retryThatWouldReachTheNextSlotWaitsForTheSlotInstead() throws Exception {
+        CarrierScheduleQueryEntity task = task(0, 0);
+        task.setStatus("READY"); task.setNextAllowedAt(LocalDateTime.of(2026, 8, 10, 12, 20));
+        when(repository.lock(1L)).thenReturn(task); when(repository.find(1L)).thenReturn(task);
+        when(repository.updateState(any(), any(Integer.class), anyLong(), anyString())).thenReturn(1);
+        set("clock", Clock.fixed(Instant.parse("2026-08-10T04:20:00Z"), ZoneOffset.UTC));
+
+        service.completeScheduledAttempt(1L, "RETRYABLE_FAILURE", "HTTP_503", "unavailable");
+
+        assertThat(task.getNextAllowedAt()).isEqualTo(LocalDateTime.of(2026, 8, 10, 12, 30));
+        assertThat(task.getAttemptCount()).isZero();
+    }
+
+    @Test
+    void missedNormalSlotIsDeferredWithoutCallingTheProviderOrWritingAnAttempt() {
+        CarrierScheduleQueryEntity task = task(0, 0);
+        task.setStatus("READY"); task.setNextAllowedAt(LocalDateTime.of(2026, 8, 10, 9, 0));
+        task.setLeaseOwner("worker"); task.setLeaseUntil(LocalDateTime.of(2026, 8, 10, 10, 5));
+        when(repository.lock(1L)).thenReturn(task);
+        when(repository.updateState(any(), any(Integer.class), anyLong(), anyString())).thenReturn(1);
+
+        boolean deferred = service.deferMissedNormalSlot(1L, LocalDateTime.of(2026, 8, 10, 10, 0));
+
+        assertThat(deferred).isTrue();
+        assertThat(task.getNextAllowedAt()).isEqualTo(LocalDateTime.of(2026, 8, 10, 12, 30));
+        assertThat(task.getLeaseOwner()).isNull(); assertThat(task.getLeaseUntil()).isNull();
+        verify(repository, never()).insert(any(CarrierScheduleQueryAttemptEntity.class));
+    }
+
+    @Test
+    void staleRetryBecomesANewFirstAttemptOnlyDuringTheNextFixedSlotMinute() {
+        CarrierScheduleQueryEntity atSlot = task(2, 0);
+        atSlot.setStatus("READY"); atSlot.setWindowStartedAt(LocalDateTime.of(2026, 8, 10, 9, 0));
+        atSlot.setNextAllowedAt(LocalDateTime.of(2026, 8, 10, 9, 45)); atSlot.setConsecutiveFailures(2);
+        atSlot.setLeaseOwner("worker"); atSlot.setLeaseUntil(LocalDateTime.of(2026, 8, 10, 12, 35));
+        when(repository.lock(1L)).thenReturn(atSlot);
+        when(repository.updateState(any(), any(Integer.class), anyLong(), anyString())).thenReturn(1);
+
+        boolean executeCurrentSlot = service.deferMissedNormalSlot(1L,
+            LocalDateTime.of(2026, 8, 10, 12, 30, 20));
+
+        assertThat(executeCurrentSlot).isFalse();
+        assertThat(atSlot.getNextAllowedAt()).isEqualTo(LocalDateTime.of(2026, 8, 10, 12, 30));
+        assertThat(atSlot.getAttemptCount()).isZero();
+        assertThat(atSlot.getLeaseOwner()).isEqualTo("worker");
+
+        CarrierScheduleQueryEntity outsideSlot = task(2, 0);
+        outsideSlot.setStatus("READY"); outsideSlot.setWindowStartedAt(LocalDateTime.of(2026, 8, 10, 9, 0));
+        outsideSlot.setNextAllowedAt(LocalDateTime.of(2026, 8, 10, 9, 45));
+        outsideSlot.setLeaseOwner("worker"); outsideSlot.setLeaseUntil(LocalDateTime.of(2026, 8, 10, 13, 5));
+        when(repository.lock(2L)).thenReturn(outsideSlot);
+
+        boolean deferred = service.deferMissedNormalSlot(2L, LocalDateTime.of(2026, 8, 10, 13, 0));
+
+        assertThat(deferred).isTrue();
+        assertThat(outsideSlot.getNextAllowedAt()).isEqualTo(LocalDateTime.of(2026, 8, 10, 16, 0));
+        assertThat(outsideSlot.getAttemptCount()).isZero();
+        assertThat(outsideSlot.getLeaseOwner()).isNull();
+    }
+
     @Test
     void matsonIsAdvertisedAsAutomatedOnlyWhenDeploymentEnablesIt() {
         CarrierScheduleAdapterRegistry registry = new CarrierScheduleAdapterRegistry();

firstleg/src/test/java/com/baiyue/firstleg/portschedule/service/CarrierScheduleQuerySlotsTest.java

@@ -16,6 +16,10 @@ class CarrierScheduleQuerySlotsTest {
         assertThat(CarrierScheduleQuerySlots.nextSlot(at(15, 59, 59))).isEqualTo(at(16, 0, 0));
         assertThat(CarrierScheduleQuerySlots.nextSlot(at(16, 0, 0)))
             .isEqualTo(LocalDateTime.of(2026, 8, 22, 9, 0));
+        assertThat(CarrierScheduleQuerySlots.isMissedNormalSlot(at(9, 0, 0), 0, at(9, 0, 59))).isFalse();
+        assertThat(CarrierScheduleQuerySlots.isMissedNormalSlot(at(9, 0, 0), 0, at(9, 1, 0))).isTrue();
+        assertThat(CarrierScheduleQuerySlots.isMissedNormalSlot(at(9, 0, 0), 0, at(12, 30, 30))).isFalse();
+        assertThat(CarrierScheduleQuerySlots.isMissedNormalSlot(at(9, 15, 0), 1, at(10, 0, 0))).isFalse();
     }
 
     private static LocalDateTime at(int hour, int minute, int second) {

firstleg/src/test/java/com/baiyue/firstleg/repository/Phase3FinalUnifiedSqlContractTest.java

@@ -84,6 +84,8 @@ class Phase3FinalUnifiedSqlContractTest {
             .contains("platform:firstleg:outbound-dispatch:%")
             .contains("platform:firstleg:customs:%")
             .contains("platform:firstleg:port-schedule:%")
+            .contains("id BETWEEN 5102180 AND 5102183 AND permission_code LIKE 'platform:firstleg:port-schedule:%') <> 3")
+            .contains("OR p.permission_code LIKE 'platform:firstleg:pda:%')) <> 36")
             .contains("platform:firstleg:pda:%")
             .contains("role.role_code IN ('PLATFORM_ADMIN','ORDER_OPERATOR')")
             .contains("角色授权未完整写入");
@@ -210,6 +212,10 @@ class Phase3FinalUnifiedSqlContractTest {
         assertThat(sql)
             .doesNotContain("\n  ADD COLUMN IF NOT EXISTS")
             .doesNotContain("\n  DROP CHECK IF EXISTS")
+            .doesNotContain("\n+--")
+            .doesNotContain("\n---")
+            .doesNotContain("\n>>>")
+            .doesNotContain("\n<<<")
             .contains("CREATE PROCEDURE phase3_pda_add_column")
             .contains("CREATE PROCEDURE phase3_pda_replace_operation_check");
     }