fix: align yutong mqtt portainer env

modules/apps/yutong-mqtt-app/src/test/java/com/lingniu/ingest/yutongmqttapp/YutongMqttPortainerComposeTest.java

@@ -0,0 +1,42 @@
+package com.lingniu.ingest.yutongmqttapp;
+
+import org.junit.jupiter.api.Test;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class YutongMqttPortainerComposeTest {
+
+    @Test
+    void portainerComposeUsesYutongMqttApplicationEnvironmentNames() throws IOException {
+        String compose = Files.readString(repositoryRoot().resolve("deploy/portainer/docker-compose.yml"));
+
+        assertThat(compose)
+                .contains("KAFKA_TOPIC_YUTONG_MQTT_EVENT:")
+                .contains("KAFKA_TOPIC_YUTONG_MQTT_RAW:")
+                .contains("KAFKA_TOPIC_YUTONG_MQTT_DLQ:")
+                .contains("YUTONG_MQTT_ENABLED: ${YUTONG_MQTT_ENABLED:-true}")
+                .contains("YUTONG_MQTT_URI: ${YUTONG_MQTT_URI:-tcp://127.0.0.1:1883}")
+                .contains("YUTONG_MQTT_TOPIC: \"${YUTONG_MQTT_TOPIC:-#}\"")
+                .doesNotContain("KAFKA_TOPIC_PARTNER_EVENT")
+                .doesNotContain("KAFKA_TOPIC_PARTNER_RAW")
+                .doesNotContain("KAFKA_TOPIC_PARTNER_DLQ")
+                .doesNotContain("\n      MQTT_ENABLED:")
+                .doesNotContain("\n      MQTT_URI:")
+                .doesNotContain("\n      MQTT_TOPIC:");
+    }
+
+    private static Path repositoryRoot() {
+        Path current = Path.of(System.getProperty("user.dir")).toAbsolutePath();
+        while (current != null) {
+            if (Files.exists(current.resolve("deploy/portainer/docker-compose.yml"))) {
+                return current;
+            }
+            current = current.getParent();
+        }
+        throw new IllegalStateException("repository root not found");
+    }
+}