fix ui and tests

backend/src/test/java/com/krrishg/dto/LLMOptionsTest.java

@@ -11,7 +11,7 @@ class LLMOptionsTest {
         LLMOptions options = LLMOptions.builder().build();
 
         assertEquals(0.9, options.getTemperature());
-        assertEquals(4096, options.getMaxTokens());
+        assertEquals(16384, options.getMaxTokens());
         assertEquals(60, options.getTimeoutSeconds());
     }
 

backend/src/test/java/com/krrishg/service/llm/ProviderFactoryTest.java

@@ -38,6 +38,7 @@ class ProviderFactoryTest {
                 "https://generativelanguage.googleapis.com/v1beta/models",
                 "gpt-4o-mini",
                 "https://api.openai.com/v1/chat/completions",
+                Duration.ofSeconds(180),
                 restTemplateBuilder
         );
     }

backend/src/test/java/com/krrishg/support/FakeProviderFactory.java

@@ -14,7 +14,7 @@ public class FakeProviderFactory extends ProviderFactory {
     public FakeProviderFactory() {
         super("gemini-2.0-flash", "https://generativelanguage.googleapis.com/v1beta/models",
                 "gpt-4o-mini", "https://api.openai.com/v1/chat/completions",
-                null);
+                null, null);
     }
 
     public FakeProviderFactory withProvider(String name, FakeLLMProvider provider) {