feat: Enhance agent functionality with ModelProfile integration

- Added ModelProfile to the Agent record to allow for more detailed model configurations.
- Updated AgentExecutorService to utilize ModelProfile when fetching clients.
- Modified BaseAgent interface to include a default modelProfile method.
- Adjusted Client interface and implementations to support ModelProfile in conversation and streaming methods.
- Enhanced ClientService to retrieve clients based on ModelProfile.
- Updated CompletionInterceptor to work with ModelProfile instead of ModelCategory.
- Refactored AzureAiClient and other client implementations to handle ModelProfile correctly.
- Changed CachedClient to cache responses based on ModelProfile.
- Updated ModelCategory to a record type for better validation and immutability.
- Enhanced ModelProfile with validation checks for its fields.
- Updated ModelProfileService to support fetching profiles based on ModelCategory.
- Adjusted tests to accommodate changes in Agent and ModelProfile.
- Updated properties files to include category information for model profiles.

src/main/java/de/extio/lmlib/agent/Agent.java

@@ -6,10 +6,12 @@ import java.util.function.Function;
 
 import de.extio.lmlib.agent.responsehandler.AgentResponseHandler;
 import de.extio.lmlib.profile.ModelCategory;
+import de.extio.lmlib.profile.ModelProfile;
 
 public record Agent(String name,
         AgentType agentType,
         ModelCategory modelCategory,
+        ModelProfile modelProfile,
         String systemPrompt,
         String textTemplate,
         AgentResponseHandler responseHandler,
@@ -44,6 +46,14 @@ public record Agent(String name,
         return BaseAgent.super.modelCategory(context);
     }
 
+    @Override
+    public ModelProfile modelProfile(final AgentContext context) {
+        if (modelProfile != null) {
+            return modelProfile;
+        }
+        return BaseAgent.super.modelProfile(context);
+    }
+    
     @Override
     public void preProcess(final AgentContext context) {
         if (preProcessor != null) {