do not publish readme and fix apikey nullable warning

Author: riccardone

src/AiHedgeFund.Agents/AiHedgeFund.Agents.csproj

@@ -31,7 +31,7 @@
 
 	<ItemGroup>
 	  <None Update="README.md">
-	    <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+	    <CopyToOutputDirectory>Never</CopyToOutputDirectory>
 	    <Pack>True</Pack>
 	    <PackagePath>\</PackagePath>
 	  </None>

src/AiHedgeFund.Console/Program.cs

@@ -42,13 +42,15 @@ private static async Task Main(string[] args)
 
                 var configuration = BuildConfig();
                 services.AddHttpClient();
+                var apiKey = configuration["AlphaVantage:ApiKey"];
+                if (string.IsNullOrWhiteSpace(apiKey))
+                    throw new InvalidOperationException("AlphaVantage API key is missing in configuration.");
+
                 services.AddHttpClient("AlphaVantage", client =>
-                {
-                    var apiKey = configuration["AlphaVantage:ApiKey"];
-                    if (string.IsNullOrEmpty(apiKey))
-                        throw new InvalidOperationException("AlphaVantage API key is missing in configuration.");
-                    client.BaseAddress = new Uri("https://www.alphavantage.co");
-                }).AddHttpMessageHandler(() => new AlphaVantageAuthHandler(configuration["AlphaVantage:ApiKey"]));
+                    {
+                        client.BaseAddress = new Uri("https://www.alphavantage.co");
+                    })
+                    .AddHttpMessageHandler(() => new AlphaVantageAuthHandler(apiKey));
                 services.AddHttpClient("OpenAI", client =>
                 {
                     var apiKey = configuration["OpenAI:ApiKey"];

src/AiHedgeFund.Contracts/AiHedgeFund.Contracts.csproj

@@ -22,7 +22,7 @@
 	</PropertyGroup>
 	<ItemGroup>
 	  <None Update="README.md">
-	    <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+	    <CopyToOutputDirectory>Never</CopyToOutputDirectory>
 	    <Pack>True</Pack>
 	    <PackagePath>\</PackagePath>
 	  </None>

src/AiHedgeFund.Data/AiHedgeFund.Data.csproj

@@ -33,7 +33,7 @@
 
 	<ItemGroup>
 	  <None Update="README.md">
-	    <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+	    <CopyToOutputDirectory>Never</CopyToOutputDirectory>
 	    <Pack>True</Pack>
 	    <PackagePath>\</PackagePath>
 	  </None>

src/AiHedgeFund.Data/AlphaVantage/AlphaVantageAuthHandler.cs

@@ -1,13 +1,9 @@
 namespace AiHedgeFund.Data.AlphaVantage;
 
-public class AlphaVantageAuthHandler : DelegatingHandler
+public class AlphaVantageAuthHandler(string? apiKey) : DelegatingHandler
 {
-    private readonly string _apiKey;
-
-    public AlphaVantageAuthHandler(string apiKey)
-    {
-        _apiKey = apiKey;
-    }
+    private readonly string _apiKey = apiKey
+                                      ?? throw new ArgumentNullException(nameof(apiKey), "Alpha Vantage API key is required");
 
     protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
     {