Added web,config to ensure the app runs in process

for Crash Monitoring to trigger and capture crash dumps in Azure.

Author: rhamlett_microsoft

src/PerfProblemSimulator/PerfProblemSimulator.csproj

@@ -8,6 +8,13 @@
   <PropertyGroup>
     <!-- Enable unsafe code for AccessViolation crash simulation -->
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    
+    <!-- 
+      Use InProcess hosting for Azure App Service.
+      This runs the app inside w3wp.exe (IIS worker process) instead of a separate dotnet.exe.
+      Azure Crash Monitoring monitors w3wp.exe, so InProcess is required for crash dump collection.
+    -->
+    <AspNetCoreHostingModel>InProcess</AspNetCoreHostingModel>
   </PropertyGroup>
 
   <ItemGroup>

src/PerfProblemSimulator/web.config

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <location path="." inheritInChildApplications="false">
+    <system.webServer>
+      <!--
+        Azure App Service Hosting Configuration
+        
+        hostingModel="inprocess" - Run inside w3wp.exe (IIS worker process)
+        This is REQUIRED for Azure Crash Monitoring to capture crash dumps.
+        
+        When hosting model is "outofprocess", the app runs in a separate dotnet.exe process,
+        and Azure Crash Monitoring (which monitors w3wp.exe) won't capture crashes.
+      -->
+      <handlers>
+        <add name="aspNetCore" path="*" verb="*" modules="AspNetCoreModuleV2" resourceType="Unspecified" />
+      </handlers>
+      <aspNetCore processPath="dotnet" 
+                  arguments=".\PerfProblemSimulator.dll" 
+                  stdoutLogEnabled="false" 
+                  stdoutLogFile=".\logs\stdout" 
+                  hostingModel="inprocess">
+        <environmentVariables>
+          <!-- Enable detailed errors for diagnostics -->
+          <environmentVariable name="ASPNETCORE_DETAILEDERRORS" value="true" />
+        </environmentVariables>
+      </aspNetCore>
+    </system.webServer>
+  </location>
+</configuration>