Change review and validation

Command	Command ID
Review Cortex Changes	pervazivai-cortex.reviewNativeChanges
Keep Cortex Changes	pervazivai-cortex.acceptNativeChanges
Undo Cortex Changes	pervazivai-cortex.discardNativeChanges
Show Cortex Command Output	pervazivai-cortex.showNativeCommandOutput
Open Cortex Command in Terminal	pervazivai-cortex.openNativeCommandInTerminal

Use Review Cortex Changes before keeping or undoing a staged change. When validation runs, inspect its captured output or open the command in the integrated terminal. The terminal command is still subject to local review and workspace trust.