docs(powershell): require ShouldProcess/-WhatIf instead of custom dry-run#187
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Add a "State-Changing Functions" section to the PowerShell instructions: mutating functions/scripts should implement SupportsShouldProcess and guard actions with $PSCmdlet.ShouldProcess(...), giving callers built-in -WhatIf and -Confirm. Prefer this over a bespoke -DryRun switch, since -WhatIf is the idiomatic PowerShell dry run. Closes #186 Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Summary
Adds a State-Changing Functions section to the PowerShell instructions: mutating functions/scripts should use the standard
SupportsShouldProcesspattern ([CmdletBinding(SupportsShouldProcess)]+.ShouldProcess(...)) so callers get built-in-WhatIfand-Confirm, rather than a hand-rolled-DryRunswitch.-WhatIfis the idiomatic PowerShell dry run.Generic guidance only -- no project-specific content (upstream-managed instructions file).
Closes #186