Powershell Master

Complete PowerShell expertise system across ALL platforms (Windows/Linux/macOS). PROACTIVELY activate for: (1) ANY PowerShell task (scripts/modules/cmdlets), (2) CI/CD automation (GitHub Actions/Azure DevOps/Bitbucket), (3) Cross-platform scripting, (4) Module discovery and management (PSGallery), (5) Azure/AWS/Microsoft 365 automation, (6) Script debugging and optimization, (7) Best practices and security. Provides: PowerShell 7+ features, popular module expertise (Az, Microsoft.Graph, PnP, AWS Tools), PSGallery integration, platform-specific guidance, CI/CD pipeline patterns, cmdlet syntax mastery, and production-ready scripting patterns. Ensures professional-grade, cross-platform PowerShell automation following industry standards.

Modern PowerShell security practices for 2025 — SecretManagement, JEA, WDAC, credential protection. PROACTIVELY activate for: (1) Microsoft.PowerShell.SecretManagement and SecretStore for credential storage, (2) Just Enough Administration (JEA) endpoints, (3) Windows Defender Application Control (WDAC) for PowerShell, (4) credential protection (PSCredential, SecureString, DPAPI), (5) module signing and Authenticode signatures, (6) ConstrainedLanguage mode, (7) audit logging (transcription, ScriptBlock logging, module logging), (8) AMSI integration, (9) AppLocker rules for PowerShell, (10) supply-chain security (PSGallery trust, package hash verification). Provides: SecretManagement setup, JEA configuration, WDAC policy templates, signing workflow, and audit-logging configuration.

Critical PowerShell changes, deprecations, and migrations for 2025. PROACTIVELY activate for: (1) PowerShell 7.5 GA changes, (2) PowerShell 7.6 preview features, (3) Windows PowerShell 5.1 deprecation timeline, (4) PSReadLine 2.4+ updates, (5) Az PowerShell 14.x breaking changes, (6) Microsoft.Graph migration from AzureAD/MSOnline modules, (7) PSResourceGet replacing PowerShellGet 2.x, (8) DSC v3 and migration from DSC v1/v2, (9) ExecutionPolicy and constrained language mode updates, (10) .NET 9/.NET 10 integration impact. Provides: deprecation timeline, breaking-change checklist, migration scripts (AzureAD to Microsoft.Graph), and PSResourceGet upgrade steps.

PowerShell 7.5/7.6 features and enhancements. PROACTIVELY activate for: (1) PowerShell 7.5 stable features, (2) PowerShell 7.6 preview features, (3) ConvertTo-CliXml/ConvertFrom-CliXml, (4) Test-Path -OlderThan/-NewerThan, (5) += operator optimization (8x-16x faster), (6) PSResourceGet 1.1.1/1.2.0, (7) Get-Clipboard -Delimiter, (8) Get-Command -ExcludeModule, (9) DSC v3 resources, (10) .NET 9/.NET 10 integration. Provides: Latest cmdlet usage, performance benchmarks, migration patterns.

PowerShell vs Git Bash/MSYS2 shell detection and cross-shell compatibility on Windows. PROACTIVELY activate for: (1) detecting whether script runs under PowerShell, pwsh, Git Bash, or cmd, (2) shell-specific path handling, (3) MSYS_NO_PATHCONV when calling Windows binaries from Git Bash, (4) PowerShell from Git Bash and vice versa, (5) line-ending differences (CRLF vs LF), (6) environment variable differences (env: VAR vs VAR vs percent VAR percent), (7) calling PowerShell scripts (.ps1) from bash and bash scripts from PowerShell, (8) profile loading differences. Provides: shell-detection one-liners, path-conversion helpers, env-var portability patterns, and cross-shell invocation recipes.