Move schema/ConfigurationSchema.json under the Generated folder (#10271)

Moves the generated `ConfigurationSchema.json` from `schema/` to
`Generated/schema/` in the output directory, aligning it with the
existing `Generated/` folder convention for auto-generated artifacts.
Also skips schema generation when a custom `ConfigurationSchema.json` is
detected at `schema/ConfigurationSchema.json`.

- **`ScmCodeModelGenerator.cs`**: Output path changed to
`Generated/schema/ConfigurationSchema.json`; added early return to skip
generation when a custom schema exists at
`schema/ConfigurationSchema.json`
- **`NewProjectScaffolding.cs`**: Updated pack item path to
`Generated/schema/ConfigurationSchema.json`; guarded pack items (schema
+ `.targets`) with a custom schema check so they are only added when no
custom `schema/ConfigurationSchema.json` exists
- **Test projects**: All 72 test projects regenerated via
`Generate.ps1`; schema files moved, `.csproj` references updated

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: JoshLove-msft <54595583+JoshLove-msft@users.noreply.github.com>

Author: Copilot

packages/http-client-csharp/generator/Microsoft.TypeSpec.Generator.ClientModel/src/ScmCodeModelGenerator.cs

@@ -54,13 +54,21 @@ protected override void Configure()
 
         public override async Task WriteAdditionalFiles(string outputPath)
         {
+            // Skip generation if a custom ConfigurationSchema.json exists outside the Generated folder
+            var customSchemaPath = Path.Combine(outputPath, "schema", "ConfigurationSchema.json");
+            if (File.Exists(customSchemaPath))
+            {
+                Emitter.Info($"Custom ConfigurationSchema.json detected at {Path.GetFullPath(customSchemaPath)}, skipping generation.");
+                return;
+            }
+
             var schemaContent = ConfigurationSchemaGenerator.Generate(
                 OutputLibrary,
                 ConfigurationSchema.SectionName,
                 ConfigurationSchema.OptionsRef);
             if (schemaContent != null)
             {
-                var schemaPath = Path.Combine(outputPath, "schema", "ConfigurationSchema.json");
+                var schemaPath = Path.Combine(outputPath, "Generated", "schema", "ConfigurationSchema.json");
                 var schemaDir = Path.GetDirectoryName(schemaPath);
                 if (schemaDir != null)
                 {

packages/http-client-csharp/generator/Microsoft.TypeSpec.Generator/src/Primitives/NewProjectScaffolding.cs

@@ -71,12 +71,12 @@ protected virtual string GetSourceProjectFileContent()
                 builder.CompileIncludes.Add(compileInclude);
             }
 
-            // Add pack items for ConfigurationSchema.json and .targets file
+            // Add pack items for ConfigurationSchema.json and .targets file if no custom schema is defined
             var packageName = CodeModelGenerator.Instance.Configuration.PackageName;
-            var schemaPath = Path.Combine(CodeModelGenerator.Instance.Configuration.OutputDirectory, "schema", "ConfigurationSchema.json");
-            if (File.Exists(schemaPath))
+            var customSchemaPath = Path.Combine(CodeModelGenerator.Instance.Configuration.OutputDirectory, "schema", "ConfigurationSchema.json");
+            if (!File.Exists(customSchemaPath))
             {
-                builder.PackItems.Add(new CSharpProjectWriter.CSProjPackItem(@"..\schema\ConfigurationSchema.json", @"\"));
+                builder.PackItems.Add(new CSharpProjectWriter.CSProjPackItem(@"..\Generated\schema\ConfigurationSchema.json", @"\"));
                 builder.PackItems.Add(new CSharpProjectWriter.CSProjPackItem($@"..\{packageName}.NuGet.targets", @"buildTransitive\netstandard2.0\" + $"{packageName}.targets"));
             }
 

…TypeSpec/schema/ConfigurationSchema.json …enerated/schema/ConfigurationSchema.jsonpackages/http-client-csharp/generator/TestProjects/Local/Sample-TypeSpec/schema/ConfigurationSchema.json renamed to packages/http-client-csharp/generator/TestProjects/Local/Sample-TypeSpec/Generated/schema/ConfigurationSchema.json packages/http-client-csharp/generator/TestProjects/Local/Sample-TypeSpec/schema/ConfigurationSchema.json renamed to packages/http-client-csharp/generator/TestProjects/Local/Sample-TypeSpec/Generated/schema/ConfigurationSchema.json

@@ -14,7 +14,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <None Include="..\schema\ConfigurationSchema.json" Pack="true" PackagePath="\" />
+    <None Include="..\Generated\schema\ConfigurationSchema.json" Pack="true" PackagePath="\" />
     <None Include="..\SampleTypeSpec.NuGet.targets" Pack="true" PackagePath="buildTransitive\netstandard2.0\SampleTypeSpec.targets" />
   </ItemGroup>
 </Project>

packages/http-client-csharp/generator/TestProjects/Local/Sample-TypeSpec/src/SampleTypeSpec.csproj

@@ -14,7 +14,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <None Include="..\schema\ConfigurationSchema.json" Pack="true" PackagePath="\" />
+    <None Include="..\Generated\schema\ConfigurationSchema.json" Pack="true" PackagePath="\" />
     <None Include="..\Authentication.ApiKey.NuGet.targets" Pack="true" PackagePath="buildTransitive\netstandard2.0\Authentication.ApiKey.targets" />
   </ItemGroup>
 </Project>

…/api-key/schema/ConfigurationSchema.json …enerated/schema/ConfigurationSchema.jsonpackages/http-client-csharp/generator/TestProjects/Spector/http/authentication/api-key/schema/ConfigurationSchema.json renamed to packages/http-client-csharp/generator/TestProjects/Spector/http/authentication/api-key/Generated/schema/ConfigurationSchema.json packages/http-client-csharp/generator/TestProjects/Spector/http/authentication/api-key/schema/ConfigurationSchema.json renamed to packages/http-client-csharp/generator/TestProjects/Spector/http/authentication/api-key/Generated/schema/ConfigurationSchema.json

@@ -14,7 +14,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <None Include="..\schema\ConfigurationSchema.json" Pack="true" PackagePath="\" />
+    <None Include="..\Generated\schema\ConfigurationSchema.json" Pack="true" PackagePath="\" />
     <None Include="..\Authentication.Http.Custom.NuGet.targets" Pack="true" PackagePath="buildTransitive\netstandard2.0\Authentication.Http.Custom.targets" />
   </ItemGroup>
 </Project>

packages/http-client-csharp/generator/TestProjects/Spector/http/authentication/api-key/src/Authentication.ApiKey.csproj

@@ -14,7 +14,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <None Include="..\schema\ConfigurationSchema.json" Pack="true" PackagePath="\" />
+    <None Include="..\Generated\schema\ConfigurationSchema.json" Pack="true" PackagePath="\" />
     <None Include="..\Authentication.OAuth2.NuGet.targets" Pack="true" PackagePath="buildTransitive\netstandard2.0\Authentication.OAuth2.targets" />
   </ItemGroup>
 </Project>