addressed PR feedback

Author: bachuv

client/src/main/java/com/microsoft/durabletask/DurableHttpRequest.java

@@ -150,7 +150,7 @@ public DurableHttpRequest(String method, URI uri, @Nullable Map<String, String>
             @JsonProperty("headers") @Nullable Map<String, String> headers,
             @JsonProperty("content") @Nullable String content,
             @JsonProperty("tokenSource") @Nullable TokenSource tokenSource,
-            @JsonProperty("asynchronousPatternEnabled") boolean asynchronousPatternEnabled,
+            @JsonProperty("asynchronousPatternEnabled") @Nullable Boolean asynchronousPatternEnabled,
             @JsonProperty("timeout") @Nullable String timeout,
             @JsonProperty("retryOptions") @Nullable HttpRetryOptions httpRetryOptions) {
         if (method == null || method.trim().isEmpty()) {
@@ -164,7 +164,8 @@ public DurableHttpRequest(String method, URI uri, @Nullable Map<String, String>
         this.headers = headers != null ? Collections.unmodifiableMap(new HashMap<>(headers)) : null;
         this.content = content;
         this.tokenSource = tokenSource;
-        this.asynchronousPatternEnabled = asynchronousPatternEnabled;
+        this.asynchronousPatternEnabled = asynchronousPatternEnabled != null
+                ? asynchronousPatternEnabled : true;
         this.timeout = timeout;
         this.httpRetryOptions = httpRetryOptions;
     }

client/src/main/java/com/microsoft/durabletask/HttpRetryOptions.java

@@ -168,8 +168,12 @@ public List<Integer> getStatusCodesToRetry() {
      * Sets the maximum retry interval.
      *
      * @param maxRetryInterval the maximum duration between retries
+     * @throws IllegalArgumentException if maxRetryInterval is negative or zero
      */
     public void setMaxRetryInterval(Duration maxRetryInterval) {
+        if (maxRetryInterval != null && (maxRetryInterval.isNegative() || maxRetryInterval.isZero())) {
+            throw new IllegalArgumentException("maxRetryInterval must be positive");
+        }
         this.maxRetryInterval = maxRetryInterval;
     }
 

client/src/main/java/com/microsoft/durabletask/ManagedIdentityTokenSource.java

@@ -8,6 +8,7 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
 
 import javax.annotation.Nullable;
+import java.util.Locale;
 
 /**
  * A {@link TokenSource} implementation that uses Azure Managed Identity to acquire OAuth 2.0 access tokens.
@@ -132,8 +133,10 @@ public ManagedIdentityOptions getOptions() {
      * Auto-normalizes well-known Azure resource URIs by appending {@code /.default} if not present.
      */
     private static String normalizeResource(String resource) {
+        String lowerResource = resource.toLowerCase(Locale.ROOT);
         for (String base : KNOWN_RESOURCE_BASES) {
-            if (resource.startsWith(base) && !resource.endsWith(DEFAULT_SUFFIX)) {
+            if ((lowerResource.equals(base) || lowerResource.startsWith(base + "/"))
+                    && !lowerResource.endsWith(DEFAULT_SUFFIX)) {
                 return resource + DEFAULT_SUFFIX;
             }
         }

client/src/test/java/com/microsoft/durabletask/DurableHttpRequestTest.java

@@ -3,6 +3,7 @@
 package com.microsoft.durabletask;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 
 import java.net.URI;
@@ -184,6 +185,14 @@ void serializeWithTokenSourceIncludesKindAndResource() throws Exception {
 
     // ---- JSON deserialization tests ----
 
+    @Test
+    @DisplayName("deserialize: omitted asynchronousPatternEnabled defaults to true")
+    void deserializeWithoutAsyncPattern_defaultsToTrue() throws Exception {
+        String json = "{\"method\":\"GET\",\"uri\":\"https://example.com\"}";
+        DurableHttpRequest req = mapper.readValue(json, DurableHttpRequest.class);
+        assertTrue(req.isAsynchronousPatternEnabled());
+    }
+
     @Test
     void deserializeMinimalRequest() throws Exception {
         String json = "{\"method\":\"GET\",\"uri\":\"https://example.com\",\"asynchronousPatternEnabled\":true}";