Update dll requirements

And add a fix to framework for rw_mount

Author: MahatiC

src/confcom/.gitignore

@@ -32,12 +32,6 @@ azext_confcom/bin/*
 **/dmverity-vhd
 **/bin/genpolicy*
 
-# Exception: CimWriter.dll is required for Windows container support
-# Downloaded from Microsoft.Windows.CimWriter.amd64fre NuGet package
-# Version: 10.0.28552.1000-260402-1747.br-current-directbase-backport-cwcow
-# Source: https://msazure.visualstudio.com/One/_artifacts/feed/Microsoft.Windows.CimWriter.amd64fre@Local
-!azext_confcom/bin/CimWriter.dll
-
 # metadata file for coverage reports
 **/.coverage
 

src/confcom/README.md

@@ -29,6 +29,9 @@
     ```
 
   - Windows: [Docker Desktop](https://www.docker.com/products/docker-desktop) and [WSL2](https://docs.microsoft.com/en-us/windows/wsl/install)
+- **CimWriter.dll** (Windows only, for Windows container support)
+  - Required for generating security policies for Windows containers
+  - Windows Server 2025 or newer is recommended for deterministic hash generation
 
 ## Installation Instructions (End User)
 

src/confcom/azext_confcom/data/customer_rego_policy.txt

@@ -34,5 +34,6 @@ runtime_logging := data.framework.runtime_logging
 load_fragment := data.framework.load_fragment
 scratch_mount := data.framework.scratch_mount
 scratch_unmount := data.framework.scratch_unmount
+rw_mount_device := data.framework.rw_mount_device
 
 reason := {"errors": data.framework.errors}