deploy: align jt808 launchctl port

modules/apps/vehicle-history-app/src/test/java/com/lingniu/ingest/historyapp/PortainerComposeResourceLimitsTest.java

@@ -107,6 +107,22 @@ class PortainerComposeResourceLimitsTest {
                 .doesNotContain("/api/event-history/records");
     }
 
+    @Test
+    void localLaunchctlJt808UsesCurrentHttpPort() throws IOException {
+        Path launchctl = repositoryRoot().resolve("deploy/local/launchctl");
+        String jt808Template = Files.readString(launchctl.resolve("com.lingniu.jt808.plist.template"));
+        String readme = Files.readString(launchctl.resolve("README.md"));
+
+        assertThat(jt808Template)
+                .contains("<key>HTTP_PORT</key>\n    <string>20400</string>")
+                .doesNotContain("20482");
+        assertThat(readme)
+                .contains("`jt808-ingest-app`: TCP `808`，HTTP `20400`")
+                .contains("curl -sS http://127.0.0.1:20400/actuator/health")
+                .contains("JT808 ingest: `http://127.0.0.1:20400/swagger-ui/index.html`")
+                .doesNotContain("20482");
+    }
+
     @Test
     void operationRunbooksDescribeTdengineRawJsonHotPath() throws IOException {
         Path operations = repositoryRoot().resolve("docs/operations");