refactor: move services and AITools to MoneyMap.Core

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

MoneyMap.Core/GlobalUsings.cs

@@ -0,0 +1,5 @@
+global using Microsoft.Extensions.Configuration;
+global using Microsoft.Extensions.DependencyInjection;
+global using Microsoft.Extensions.Logging;
+global using Microsoft.AspNetCore.Hosting;
+global using Microsoft.AspNetCore.Http;

MoneyMap.Core/MoneyMap.Core.csproj

@@ -13,4 +13,9 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.9" />
     <PackageReference Include="PdfPig" Version="0.1.11" />
   </ItemGroup>
+  <ItemGroup>
+    <None Update="Prompts\**\*">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
 </Project>

MoneyMap/MoneyMap.csproj

@@ -36,10 +36,5 @@
     <Folder Include="Migrations\" />
   </ItemGroup>
 
-  <ItemGroup>
-    <None Update="Prompts\**\*">
-      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-    </None>
-  </ItemGroup>
 
 </Project>