More work

Program.cs

@@ -1,6 +1,9 @@
+using System.Net.Http.Headers;
 using Microsoft.EntityFrameworkCore;
 using PaperlessAI.Context;
+using PaperlessAI.Interfaces;
 using PaperlessAI.Jobs;
+using PaperlessAI.Models;
 using PaperlessAI.Repositories;
 using PaperlessAI.Services;
 using Serilog;
@@ -8,8 +11,27 @@ using Serilog;
 var builder = WebApplication.CreateBuilder(args);
 
 // Services
-builder.Services.AddScoped<PaperlessDocumentService>();
+builder.Services.AddScoped<Configuration>();
 builder.Services.AddSingleton<DocumentProcessingService>();
+builder.Services.AddScoped<PaperlessDocumentService>();
+builder.Services.AddScoped<LLMAgentService>();
+builder.Services.AddHttpClient<ApiService>((serviceProvider, client) =>
+{
+    var config = serviceProvider.GetRequiredService<IConfiguration>();
+
+    var baseUrl = config["LlmAgent:Url"] ?? throw new InvalidOperationException("LlmAgent:Url configuration missing.");
+    var token = config["LlmAgent:Token"] ?? throw new InvalidOperationException("LlmAgent:Token configuration missing.");
+    var acceptMediaType = config["LlmAgent:MediaType"] ?? throw new InvalidOperationException("LlmAgent:MediaType configuration missing.");
+    var timeoutSeconds = int.Parse(config["LlmAgent:TimeoutSeconds"] ?? throw new InvalidOperationException("LlmAgent:TimeoutSeconds configuration missing."));
+    
+    client.Timeout = TimeSpan.FromSeconds(timeoutSeconds);
+    client.BaseAddress = new Uri(baseUrl);
+    client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", token);
+    client.DefaultRequestHeaders.Accept.Clear();
+    client.DefaultRequestHeaders.Accept.Add(
+        new MediaTypeWithQualityHeaderValue(acceptMediaType)
+    );
+});
 
 // Repositories
 builder.Services.AddScoped<PaperlessDocumentRepository>();