fix: verify mysql identity and jt808 field aliases

modules/services/event-history-service/src/main/java/com/lingniu/ingest/eventhistory/TelemetryFieldHistoryController.java

@@ -22,6 +22,7 @@ import java.io.IOException;
 import java.time.Instant;
 import java.util.List;
 import java.util.Locale;
+import java.util.Map;
 
 @RestController
 @ConditionalOnProperty(prefix = "lingniu.ingest.event-history", name = "enabled", havingValue = "true")
@@ -30,6 +31,15 @@ import java.util.Locale;
 @Tag(name = "telemetry-field-history-controller", description = "遥测字段历史分页查询接口。")
 public final class TelemetryFieldHistoryController {
 
+    private static final Map<String, String> JT808_FIELD_ALIASES = Map.of(
+            "location.longitude", "longitude",
+            "location.latitude", "latitude",
+            "location.altitude_m", "altitude_m",
+            "location.speed_kmh", "speed_kmh",
+            "location.direction_deg", "direction_deg",
+            "location.alarm_flag", "location_alarm_flag",
+            "location.status_flag", "location_status_raw");
+
     private final TdengineHistoryReader reader;
 
     public TelemetryFieldHistoryController(TdengineHistoryReader reader) {
@@ -67,7 +77,9 @@ public final class TelemetryFieldHistoryController {
             @Parameter(description = "上一页返回的 nextCursor.id。", example = "event-xxx#0")
             @RequestParam(required = false) String cursorId) throws IOException {
         String normalizedProtocol = require(protocol, "protocol is required for telemetry field query").toUpperCase(Locale.ROOT);
-        String normalizedFieldKey = require(fieldKey, "fieldKey is required for telemetry field query");
+        String normalizedFieldKey = normalizeFieldKey(
+                normalizedProtocol,
+                require(fieldKey, "fieldKey is required for telemetry field query"));
         QueryTimeRange range = QueryTimeRange.parse(dateFrom, dateTo);
         TdenginePage<TdengineTelemetryFieldRow> page = reader.queryTelemetryFields(new TdengineTelemetryFieldQuery(
                 normalizedProtocol,
@@ -81,6 +93,13 @@ public final class TelemetryFieldHistoryController {
         return TelemetryFieldPageResponse.from(page);
     }
 
+    private static String normalizeFieldKey(String protocol, String fieldKey) {
+        if (!"JT808".equals(protocol)) {
+            return fieldKey;
+        }
+        return JT808_FIELD_ALIASES.getOrDefault(fieldKey, fieldKey);
+    }
+
     private static String resolveVehicleKey(String protocol, String vehicleKey, String vin, String phone) {
         String explicitVehicleKey = trimToNull(vehicleKey);
         if (explicitVehicleKey != null) {

modules/services/event-history-service/src/test/java/com/lingniu/ingest/eventhistory/TelemetryFieldHistoryControllerTest.java

@@ -78,6 +78,7 @@ class TelemetryFieldHistoryControllerTest {
                 null);
 
         assertThat(reader.query.vehicleKey()).isEqualTo("jt808:g7gps");
+        assertThat(reader.query.fieldKey()).isEqualTo("speed_kmh");
     }
 
     @Test