fix: reject removed telemetry fields switch

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

@@ -49,6 +49,13 @@ import java.nio.file.Path;
 @ConditionalOnProperty(prefix = "lingniu.ingest.event-history", name = "enabled", havingValue = "true")
 public class EventHistoryAutoConfiguration {
 
+    @Bean
+    @ConditionalOnProperty(prefix = "lingniu.ingest.tdengine-history", name = "telemetry-fields-enabled")
+    public Object rejectedRemovedTelemetryFieldsSwitch() {
+        throw new IllegalStateException(
+                "tdengine-history.telemetry-fields-enabled has been removed; history stores raw_frames and location rows only");
+    }
+
     @Bean
     @ConditionalOnBean(TdengineHistoryWriter.class)
     @ConditionalOnMissingBean

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

@@ -143,13 +143,17 @@ class EventHistoryAutoConfigurationTest {
     }
 
     @Test
-    void doesNotExposeTelemetryFieldHistoryControllerWhenTelemetryFieldsAreEnabled() {
+    void rejectsRemovedTelemetryFieldsSwitch() {
         contextRunner
                 .withPropertyValues(
                         "lingniu.ingest.event-history.enabled=true",
                         "lingniu.ingest.tdengine-history.telemetry-fields-enabled=true")
                 .withBean(TdengineHistoryReader.class, () -> mock(TdengineHistoryReader.class))
-                .run(context -> assertThat(context).doesNotHaveBean("telemetryFieldHistoryController"));
+                .run(context -> assertThat(context)
+                        .hasFailed()
+                        .getFailure()
+                        .hasMessageContaining("tdengine-history.telemetry-fields-enabled has been removed")
+                        .hasMessageContaining("raw_frames"));
     }
 
     @Test