fix(ci): support NuGet package fallback for CI builds

Add conditional reference logic to use ProjectReference when available locally, falling back to PackageReference in CI environments. Pass NuGet credentials as environment variables during restore to enable authentication for private package feeds.

.gitea/workflows/build.yml

@@ -24,6 +24,9 @@ jobs:
 
       - name: Restore dependencies
         run: dotnet restore GitCaddy.AI.sln
+        env:
+          NUGET_USER: ${{ github.actor }}
+          NUGET_TOKEN: ${{ github.token }}
 
       - name: Build
         run: dotnet build GitCaddy.AI.sln -c Release --no-restore

.gitea/workflows/release.yml

@@ -27,6 +27,9 @@ jobs:
 
       - name: Restore dependencies
         run: dotnet restore GitCaddy.AI.sln
+        env:
+          NUGET_USER: ${{ github.actor }}
+          NUGET_TOKEN: ${{ github.token }}
 
       - name: Build
         run: dotnet build GitCaddy.AI.sln -c Release --no-restore -p:Version=${{ steps.version.outputs.VERSION }}

src/GitCaddy.AI.Service/GitCaddy.AI.Service.csproj

@@ -27,8 +27,12 @@
     <PackageReference Include="Serilog.Sinks.File" Version="6.0.0" />
   </ItemGroup>
 
-  <ItemGroup>
+  <!-- Use ProjectReference for local dev, PackageReference for CI -->
+  <ItemGroup Condition="Exists('..\..\..\marketally.aiplugin\MarketAlly.AIPlugin\MarketAlly.AIPlugin.csproj')">
     <ProjectReference Include="..\..\..\marketally.aiplugin\MarketAlly.AIPlugin\MarketAlly.AIPlugin.csproj" />
   </ItemGroup>
+  <ItemGroup Condition="!Exists('..\..\..\marketally.aiplugin\MarketAlly.AIPlugin\MarketAlly.AIPlugin.csproj')">
+    <PackageReference Include="MarketAlly.AIPlugin" Version="*" />
+  </ItemGroup>
 
 </Project>