add X-Trace-Id and traceparent headers to all HTTP calls

cwms-http-client/src/main/java/mil/army/usace/hec/cwms/http/client/OkHttpClientInstance.java

@@ -71,6 +71,7 @@ static OkHttpClient createClient() {
                 .readTimeout(getReadTimeout())
                 .writeTimeout(getWriteTimeout())
                 .addInterceptor(LOGGING_INTERCEPTOR)
+                .addInterceptor(new TraceHeadersInterceptor())
                 .cache(getCache())
                 .build();
     }

cwms-http-client/src/main/java/mil/army/usace/hec/cwms/http/client/TraceHeadersInterceptor.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2026
+ * United States Army Corps of Engineers - Hydrologic Engineering Center (USACE/HEC)
+ * All Rights Reserved.  USACE PROPRIETARY/CONFIDENTIAL.
+ * Source may not be released without written approval from HEC
+ */
+
+package mil.army.usace.hec.cwms.http.client;
+
+import java.io.IOException;
+import java.util.UUID;
+import okhttp3.Interceptor;
+import okhttp3.Request;
+import okhttp3.Response;
+
+final class TraceHeadersInterceptor implements Interceptor {
+
+    private static final String TRACE_PARENT_HEADER = "traceparent";
+    private static final String TRACE_ID_HEADER = "X-Trace-Id";
+
+    @Override
+    public Response intercept(Chain chain) throws IOException {
+        Request request = chain.request();
+
+        String traceId = generateTraceId();
+        String traceParent = createTraceParent(traceId);
+
+        Request tracedRequest = request.newBuilder()
+            .header(TRACE_ID_HEADER, traceId)
+            .header(TRACE_PARENT_HEADER, traceParent)
+            .build();
+
+        return chain.proceed(tracedRequest);
+    }
+
+    private static String generateTraceId() {
+        return UUID.randomUUID().toString().toLowerCase();
+    }
+
+    private static String createTraceParent(String traceId) {
+        String traceIdHex = traceId.replace("-", "");
+        String spanId = UUID.randomUUID().toString().replace("-", "").substring(0, 16).toLowerCase();
+        return "00-" + traceIdHex + "-" + spanId + "-01";
+    }
+}

cwms-http-client/src/test/java/mil/army/usace/hec/cwms/http/client/TraceHeadersInterceptorTest.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2026
+ * United States Army Corps of Engineers - Hydrologic Engineering Center (USACE/HEC)
+ * All Rights Reserved.  USACE PROPRIETARY/CONFIDENTIAL.
+ * Source may not be released without written approval from HEC
+ */
+
+package mil.army.usace.hec.cwms.http.client;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.io.IOException;
+import java.util.regex.Pattern;
+import okhttp3.Request;
+import okhttp3.Response;
+import okhttp3.mockwebserver.MockResponse;
+import okhttp3.mockwebserver.MockWebServer;
+import org.junit.jupiter.api.Test;
+
+final class TraceHeadersInterceptorTest {
+
+    private static final Pattern TRACE_ID_PATTERN =
+        Pattern.compile("[a-z0-9]{8}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{4}-[a-z0-9]{12}", Pattern.CASE_INSENSITIVE);
+
+
+    @Test
+    void testCookiesNotLogged() throws IOException, InterruptedException {
+        try(MockWebServer mockWebServer = new MockWebServer()) {
+            MockResponse mockResponse = new MockResponse()
+                .setBody("test")
+                .setResponseCode(200);
+            mockWebServer.enqueue(mockResponse);
+            mockWebServer.start();
+
+            Request request = new Request.Builder()
+                .url(mockWebServer.url("/test"))
+                .build();
+            try (Response response = OkHttpClientInstance.getInstance().newCall(request).execute()) {
+                assertTrue(response.isSuccessful());
+            }
+
+            okhttp3.mockwebserver.RecordedRequest recordedRequest = mockWebServer.takeRequest();
+            String traceId = recordedRequest.getHeader("X-Trace-Id");
+            String traceParent = recordedRequest.getHeader("traceparent");
+
+            assertTrue(traceId != null && TRACE_ID_PATTERN.matcher(traceId).matches(),
+                "X-Trace-Id should be a UUID-like value");
+            assertTrue(traceParent != null && traceParent.matches(
+                    "00-[a-f0-9]{32}-[a-f0-9]{16}-[a-f0-9]{2}"),
+                "traceparent should follow W3C format: https://www.w3.org/TR/trace-context/#traceparent-header");
+            assertTrue(traceParent.startsWith("00-"));
+            assertEquals(4, traceParent.split("-").length);
+        }
+    }
+}