Merged PR 22208: Update storage and system winrt-api topics based on feedback received

Add an example to a ProcessDiagnosticInfo API ref topic and clarify what a StorageFile topic checks to get the content's mime type.

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#### AI description  (iteration 1)
#### PR Classification
Documentation update to refine API topics based on received feedback.

#### PR Summary
This pull request improves the WinRT API documentation by clarifying method behaviors and adding detailed examples.
- `windows.system.diagnostics/processdiagnosticinfo_getforprocesses_1262014773.md`: Expanded descriptions, enhanced remarks, and added a C# code sample to demonstrate correlating ProcessDiagnosticInfo with AppDiagnosticInfo.
- `windows.storage/storagefile_contenttype.md`: Refined the ContentType explanation to emphasize MIME type determination via file extensions.
- `windows.system.diagnostics/processdiagnosticinfo_getappdiagnosticinfos_212734444.md`: Updated remarks to clarify AppDiagnosticInfo retrieval and the associated user consent requirements.
- `windows.system.diagnostics/processdiagnosticinfo_ispackaged.md`: Streamlined the IsPackaged property description to better outline its UWP process association.
<!-- GitOpsUserAgent=GitOps.Apps.Server.pullrequestcopilot -->

Author: alvinashcraft

windows.storage/storagefile_contenttype.md

@@ -10,15 +10,19 @@ public string ContentType { get; }
 # Windows.Storage.StorageFile.ContentType
 
 ## -description
+
 Gets the MIME type of the contents of the file.
 
 ## -property-value
+
 The MIME type of the file contents.
 
-For example, a music file might have the "audio/mpeg"  MIME type.
+For example, a music file might have the "audio/mpeg" MIME type.
 
 ## -remarks
 
+The `ContentType` property provides an interpretation of the file extension to determine the MIME type. It does not inspect the actual contents of the file. For example, renaming a text file (`.txt`) to have a `.jpg` extension will result in the `ContentType` being reported as `image/jpeg`.
+
 ## -examples
 
 ## -see-also

windows.system.diagnostics/processdiagnosticinfo_getappdiagnosticinfos_212734444.md

@@ -10,15 +10,17 @@ public IVector<AppDiagnosticInfo> ProcessDiagnosticInfo.GetAppDiagnosticInfos()
 # Windows.System.Diagnostics.ProcessDiagnosticInfo.GetAppDiagnosticInfos
 
 ## -description
+
 Gets one or more [AppDiagnosticInfo](/uwp/api/windows.system.appdiagnosticinfo) objects if the [IsPackaged](processdiagnosticinfo_ispackaged.md) property is **true**.
 
 ## -returns
+
 Returns one or more [AppDiagnosticInfo](/uwp/api/windows.system.appdiagnosticinfo) objects.
 
 ## -remarks
+
 Use of this method may require user consent, which defaults to denied. If you do not have consent, the method will return information for only the current app. Users can provide consent in Windows Settings. An app can request consent programmatically by calling [AppDiagnosticInfo.RequestAccessAsync](../windows.system/appdiagnosticinfo_requestaccessasync_380675631.md).
 
 ## -see-also
 
 ## -examples
-

windows.system.diagnostics/processdiagnosticinfo_getforprocesses_1262014773.md

@@ -10,14 +10,75 @@ public Windows.Foundation.Collections.IVectorView<Windows.System.Diagnostics.Pro
 # Windows.System.Diagnostics.ProcessDiagnosticInfo.GetForProcesses
 
 ## -description
+
 Gets a list of [ProcessDiagnosticInfo](processdiagnosticinfo.md) objects for all running processes that are accessible to the caller.
 
 ## -returns
+
 A list of [ProcessDiagnosticInfo](processdiagnosticinfo.md) objects for all running processes.
 
 ## -remarks
+
 For UWP apps, processes must be in the same **AppContainer**.
 
+To correlate `ProcessDiagnosticInfo` to `AppDiagnosticInfo` and retrieve the package name for a process, you can use the `AppDiagnosticInfo` class. The `AppDiagnosticInfo` class provides diagnostic information about an app, including its package details.
+
+Here’s how you can retrieve the package name for a process:
+
+1. Use the `ProcessDiagnosticInfo.GetForProcesses()` method to get a list of `ProcessDiagnosticInfo` objects.
+1. For each `ProcessDiagnosticInfo` object, call the `AppDiagnosticInfo.TryGetForProcess()` method to retrieve the associated `AppDiagnosticInfo`.
+1. Access the `AppInfo` property of the `AppDiagnosticInfo` object to get the `AppInfo` instance, which contains the package name.
+
+The following example demonstrates how to achieve this:
+
+```csharp
+using System;
+using System.Collections.Generic;
+using Windows.System.Diagnostics;
+using Windows.System;
+
+class Program
+{
+    static void Main(string[] args)
+    {
+        IReadOnlyList<ProcessDiagnosticInfo> processes = ProcessDiagnosticInfo.GetForProcesses();
+
+        foreach (var process in processes)
+        {
+            if (process.IsPackaged)
+            {
+                var appDiagnosticInfos = AppDiagnosticInfo.TryGetForProcess(process);
+
+                if (appDiagnosticInfos != null)
+                {
+                    foreach (var appDiagnosticInfo in appDiagnosticInfos)
+                    {
+                    var appInfo = appDiagnosticInfo.AppInfo;
+                    if (appInfo != null)
+                    {
+                        Console.WriteLine($"Process ID: {process.ProcessId}, Package Name: {appInfo.PackageFamilyName}");
+                    }
+                    else
+                    {
+                        Console.WriteLine($"Process ID: {process.ProcessId} has no associated AppInfo.");
+                    }}");
+                    }
+                }
+            }
+            else
+            {
+                Console.WriteLine($"Process ID: {process.ProcessId} is not associated with an app package.");
+            }
+        }
+    }
+}
+```
+
+Some things to note:
+
+- The `IsPackaged` property indicates whether the process is part of a packaged app. If `IsPackaged` is `false`, the process is not associated with an app package, and `AppDiagnosticInfo.TryGetForProcess()` will return `null`.
+- Ensure your app has the necessary capabilities declared in the app manifest to access process and app diagnostic information.
+
 ## -examples
 
 ## -see-also

windows.system.diagnostics/processdiagnosticinfo_ispackaged.md

@@ -10,9 +10,11 @@ public bool IsPackaged { get; }
 # Windows.System.Diagnostics.ProcessDiagnosticInfo.IsPackaged
 
 ## -description
+
 Gets a Boolean value indicating whether or not this [ProcessDiagnosticInfo](processdiagnosticinfo.md) instance has any related [UWP](/windows/uwp/get-started/universal-application-platform-guide) information.
 
 ## -property-value
+
 A Boolean value indicating whether or not this [ProcessDiagnosticInfo](processdiagnosticinfo.md) instance has any related [UWP](/windows/uwp/get-started/universal-application-platform-guide) information.
 
 ## -remarks