perf: reuse mqtt identity resolution

modules/inbound/inbound-mqtt/src/main/java/com/lingniu/ingest/inbound/mqtt/client/MqttEndpointManager.java

@@ -141,6 +141,7 @@ public final class MqttEndpointManager implements AutoCloseable {
             MqttPayload parsed = profileRegistry.parse(ep.getName(), ep.getProfile(), topic, payload);
             String externalDeviceId = firstNonBlank(parsed.deviceId(), parsed.vin());
             IdentityResolution identity = resolveIdentity(parsed);
+            parsed = parsed.withIdentity(identity.identity(), identity.errorMessage());
             Map<String, String> meta = new HashMap<>(4);
             // metadata 同时保留外部设备号和内部 VIN，便于排查绑定表错误导致的车辆归属问题。
             meta.put("vin", identity.identity().vin());

modules/inbound/inbound-mqtt/src/main/java/com/lingniu/ingest/inbound/mqtt/mapper/YutongEventMapper.java

@@ -109,6 +109,17 @@ public final class YutongEventMapper implements EventMapper<MqttPayload> {
     }
 
     private IdentityResolution resolveIdentity(MqttPayload payload) {
+        if (payload.hasIdentitySnapshot()) {
+            VehicleIdentitySource source = VehicleIdentitySource.UNKNOWN;
+            try {
+                source = VehicleIdentitySource.valueOf(payload.identitySource());
+            } catch (IllegalArgumentException ignored) {
+                // 保守兜底，外部化的 payload 如果带了未知 source 不应影响接收主链路。
+            }
+            return new IdentityResolution(
+                    new VehicleIdentity(payload.resolvedVin(), payload.identityResolved(), source),
+                    payload.identityErrorMessage().isBlank() ? null : payload.identityErrorMessage());
+        }
         String externalDeviceId = firstNonBlank(payload.deviceId(), payload.vin());
         String externalVin = payload.externalVin() == null ? "" : payload.externalVin();
         String phone = payload.phone() == null ? "" : payload.phone();

modules/inbound/inbound-mqtt/src/main/java/com/lingniu/ingest/inbound/mqtt/model/MqttPayload.java

@@ -1,6 +1,9 @@
 package com.lingniu.ingest.inbound.mqtt.model;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.databind.JsonNode;
+import com.lingniu.ingest.identity.VehicleIdentity;
+import com.lingniu.ingest.identity.VehicleIdentitySource;
 
 import java.time.Instant;
 
@@ -15,6 +18,7 @@ import java.time.Instant;
  * @param phone        外部手机号 / SIM 字段
  * @param deviceId     外部设备号 / 终端 ID / IMEI 字段
  * @param plateNo      外部车牌字段
+ * @param resolvedVin  已解析的内部 VIN，供 RAW 和业务事件复用同一次身份查询
  * @param deviceTime   设备上报时刻
  * @param data         原始 JSON 树，供 Mapper 按 profile 提取字段
  */
@@ -27,9 +31,33 @@ public record MqttPayload(
         String phone,
         String deviceId,
         String plateNo,
+        @JsonIgnore String resolvedVin,
+        @JsonIgnore boolean identityResolved,
+        @JsonIgnore String identitySource,
+        @JsonIgnore String identityErrorMessage,
         Instant deviceTime,
         JsonNode data
 ) {
+    public MqttPayload {
+        resolvedVin = resolvedVin == null ? "" : resolvedVin.trim();
+        identitySource = identitySource == null ? "" : identitySource.trim();
+        identityErrorMessage = identityErrorMessage == null ? "" : identityErrorMessage.trim();
+    }
+
+    public MqttPayload(String endpointName,
+                       String profile,
+                       String topic,
+                       String vin,
+                       String externalVin,
+                       String phone,
+                       String deviceId,
+                       String plateNo,
+                       Instant deviceTime,
+                       JsonNode data) {
+        this(endpointName, profile, topic, vin, externalVin, phone, deviceId, plateNo,
+                "", false, "", "", deviceTime, data);
+    }
+
     public MqttPayload(String endpointName,
                        String profile,
                        String topic,
@@ -38,4 +66,17 @@ public record MqttPayload(
                        JsonNode data) {
         this(endpointName, profile, topic, vin, "", "", vin, "", deviceTime, data);
     }
+
+    public MqttPayload withIdentity(VehicleIdentity identity, String errorMessage) {
+        VehicleIdentity safe = identity == null
+                ? new VehicleIdentity("unknown", false, VehicleIdentitySource.UNKNOWN)
+                : identity;
+        return new MqttPayload(endpointName, profile, topic, vin, externalVin, phone, deviceId, plateNo,
+                safe.vin(), safe.resolved(), safe.source().name(), errorMessage, deviceTime, data);
+    }
+
+    @JsonIgnore
+    public boolean hasIdentitySnapshot() {
+        return !identitySource.isBlank();
+    }
 }

modules/inbound/inbound-mqtt/src/test/java/com/lingniu/ingest/inbound/mqtt/MqttEndpointManagerTest.java

@@ -12,7 +12,11 @@ import com.lingniu.ingest.core.dispatcher.HandlerInvoker;
 import com.lingniu.ingest.core.dispatcher.HandlerRegistry;
 import com.lingniu.ingest.core.pipeline.InterceptorChain;
 import com.lingniu.ingest.identity.InMemoryVehicleIdentityService;
+import com.lingniu.ingest.identity.VehicleIdentity;
 import com.lingniu.ingest.identity.VehicleIdentityBinding;
+import com.lingniu.ingest.identity.VehicleIdentityLookup;
+import com.lingniu.ingest.identity.VehicleIdentityResolver;
+import com.lingniu.ingest.identity.VehicleIdentitySource;
 import com.lingniu.ingest.inbound.mqtt.client.MqttEndpointManager;
 import com.lingniu.ingest.inbound.mqtt.config.MqttInboundProperties;
 import com.lingniu.ingest.inbound.mqtt.handler.MqttRealtimeHandler;
@@ -30,6 +34,7 @@ import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
@@ -86,6 +91,55 @@ class MqttEndpointManagerTest {
         eventBus.close();
     }
 
+    @Test
+    void inboundMessageReusesResolvedIdentityForRawArchiveAndMappedEvents() throws Exception {
+        MqttInboundProperties.Endpoint endpoint = new MqttInboundProperties.Endpoint();
+        endpoint.setName("endpoint-a");
+        endpoint.setTopic("/ytforward/#");
+        endpoint.setProfile("yutong");
+        byte[] payload = """
+                {"device":"YT-DEVICE-001","time":"20260622150000","data":{"METER_SPEED":31,"TOTAL_MILEAGE":1024}}
+                """.trim().getBytes(StandardCharsets.UTF_8);
+        CountingIdentityResolver identities = new CountingIdentityResolver(new VehicleIdentity(
+                "LNVIN000000MQTT01", true, VehicleIdentitySource.BOUND_DEVICE_ID));
+        RecordingSink sink = new RecordingSink(2);
+        DisruptorEventBus eventBus = new DisruptorEventBus(1024, "blocking", List.of(sink));
+        AsyncBatchExecutor batchExecutor = new AsyncBatchExecutor(eventBus::publish);
+        MqttProfileRegistry profileRegistry = new MqttProfileRegistry(List.of(
+                new YutongMqttProfile(
+                        new MqttPayloadParser(new ObjectMapper()),
+                        new YutongEventMapper(identities))));
+        Dispatcher dispatcher = new Dispatcher(
+                registry(profileRegistry),
+                new InterceptorChain(List.of()),
+                new HandlerInvoker(),
+                eventBus,
+                batchExecutor);
+        MqttEndpointManager manager = new MqttEndpointManager(
+                new MqttInboundProperties(), profileRegistry, identities, dispatcher);
+
+        invokeOnMessage(manager, endpoint, "/ytforward/vehicle/YT-DEVICE-001", payload);
+
+        assertThat(sink.await()).isTrue();
+        assertThat(identities.calls()).isEqualTo(1);
+        assertThat(sink.events)
+                .extracting(VehicleEvent::vin)
+                .contains("LNVIN000000MQTT01");
+        assertThat(sink.events).anySatisfy(event -> {
+            assertThat(event).isInstanceOf(VehicleEvent.RawArchive.class);
+            VehicleEvent.RawArchive archive = (VehicleEvent.RawArchive) event;
+            assertThat(archive.parsedJson())
+                    .contains("\"deviceId\":\"YT-DEVICE-001\"")
+                    .doesNotContain("resolvedVin")
+                    .doesNotContain("identityResolved")
+                    .doesNotContain("identitySource")
+                    .doesNotContain("identityErrorMessage");
+        });
+
+        batchExecutor.close();
+        eventBus.close();
+    }
+
     @Test
     void malformedInboundMessageArchivesParseFailureMetadataAndPassthrough() throws Exception {
         MqttInboundProperties.Endpoint endpoint = new MqttInboundProperties.Endpoint();
@@ -381,6 +435,25 @@ class MqttEndpointManagerTest {
         }
     }
 
+    private static final class CountingIdentityResolver implements VehicleIdentityResolver {
+        private final VehicleIdentity identity;
+        private final AtomicInteger calls = new AtomicInteger();
+
+        private CountingIdentityResolver(VehicleIdentity identity) {
+            this.identity = identity;
+        }
+
+        @Override
+        public VehicleIdentity resolve(VehicleIdentityLookup lookup) {
+            calls.incrementAndGet();
+            return identity;
+        }
+
+        private int calls() {
+            return calls.get();
+        }
+    }
+
     private static final class BrokenProfile implements com.lingniu.ingest.inbound.mqtt.profile.MqttProfile {
         @Override
         public String name() {