Add MDM deployment example templates (#45866)

examples/mdm/windows/ClaudeCode.admx

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+<?xml version="1.0" encoding="utf-8"?>
+<policyDefinitions xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions"
+                   revision="1.0" schemaVersion="1.0">
+  <policyNamespaces>
+    <target prefix="claudecode" namespace="Anthropic.Policies.ClaudeCode" />
+    <using prefix="windows" namespace="Microsoft.Policies.Windows" />
+  </policyNamespaces>
+  <resources minRequiredRevision="1.0" />
+  <categories>
+    <category name="Cat_ClaudeCode" displayName="$(string.Cat_ClaudeCode)" />
+  </categories>
+  <policies>
+    <policy name="ManagedSettings"
+            class="Machine"
+            displayName="$(string.ManagedSettings)"
+            explainText="$(string.ManagedSettings_Explain)"
+            presentation="$(presentation.ManagedSettings)"
+            key="SOFTWARE\Policies\ClaudeCode">
+      <parentCategory ref="Cat_ClaudeCode" />
+      <supportedOn ref="windows:SUPPORTED_Windows_10_0" />
+      <elements>
+        <text id="SettingsJson" valueName="Settings" maxLength="1000000" required="true" />
+      </elements>
+    </policy>
+  </policies>
+</policyDefinitions>

examples/mdm/windows/Set-ClaudeCodePolicy.ps1

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+<#
+Deploys Claude Code managed settings as a JSON file.
+
+Intune: Devices > Scripts and remediations > Platform scripts > Add (Windows 10 and later).
+  Run this script using the logged on credentials: No
+  Run script in 64 bit PowerShell Host: Yes
+
+Claude Code reads C:\Program Files\ClaudeCode\managed-settings.json at startup
+and treats it as a managed policy source. Edit the JSON below to change the
+deployed settings; see https://code.claude.com/docs/en/settings for available keys.
+#>
+
+$ErrorActionPreference = 'Stop'
+
+$dir = Join-Path $env:ProgramFiles 'ClaudeCode'
+New-Item -ItemType Directory -Path $dir -Force | Out-Null
+
+$json = @'
+{
+  "permissions": {
+    "disableBypassPermissionsMode": "disable"
+  }
+}
+'@
+
+$path = Join-Path $dir 'managed-settings.json'
+[System.IO.File]::WriteAllText($path, $json, (New-Object System.Text.UTF8Encoding($false)))
+Write-Output "Wrote $path"

examples/mdm/windows/en-US/ClaudeCode.adml

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+<?xml version="1.0" encoding="utf-8"?>
+<policyDefinitionResources xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+                            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                            xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions"
+                            revision="1.0" schemaVersion="1.0">
+  <displayName>Claude Code</displayName>
+  <description>Claude Code policy settings</description>
+  <resources>
+    <stringTable>
+      <string id="Cat_ClaudeCode">Claude Code</string>
+      <string id="ManagedSettings">Managed settings (JSON)</string>
+      <string id="ManagedSettings_Explain">Configures managed settings for Claude Code.
+
+Enter the full settings configuration as a single line of JSON. The value is stored as a REG_SZ string at HKLM\SOFTWARE\Policies\ClaudeCode\Settings and is applied at the highest precedence; users cannot override these settings.
+
+Example:
+{"permissions":{"disableBypassPermissionsMode":"disable"}}
+
+For the list of available settings keys, see https://code.claude.com/docs/en/settings.
+
+If your configuration is large or you prefer to manage a JSON file directly, deploy C:\Program Files\ClaudeCode\managed-settings.json instead (see Set-ClaudeCodePolicy.ps1).</string>
+    </stringTable>
+    <presentationTable>
+      <presentation id="ManagedSettings">
+        <textBox refId="SettingsJson">
+          <label>Settings JSON:</label>
+        </textBox>
+      </presentation>
+    </presentationTable>
+  </resources>
+</policyDefinitionResources>