docs: add Windows PowerShell equivalents for environments and scripting (#20333)

docs/cli/tutorials/automation.md

@@ -37,10 +37,18 @@ output.
 
 Pipe a file:
 
+**macOS/Linux**
+
 ```bash
 cat error.log | gemini "Explain why this failed"
 ```
 
+**Windows (PowerShell)**
+
+```powershell
+Get-Content error.log | gemini "Explain why this failed"
+```
+
 Pipe a command:
 
 ```bash
@@ -57,7 +65,10 @@ results to a file.
 You have a folder of Python scripts and want to generate a `README.md` for each
 one.
 
-1.  Save the following code as `generate_docs.sh`:
+1.  Save the following code as `generate_docs.sh` (or `generate_docs.ps1` for
+    Windows):
+
+    **macOS/Linux (`generate_docs.sh`)**
 
     ```bash
     #!/bin/bash
@@ -72,13 +83,34 @@ one.
     done
     ```
 
+    **Windows PowerShell (`generate_docs.ps1`)**
+
+    ```powershell
+    # Loop through all Python files
+    Get-ChildItem -Filter *.py | ForEach-Object {
+      Write-Host "Generating docs for $($_.Name)..."
+
+      $newName = $_.Name -replace '\.py$', '.md'
+      # Ask Gemini CLI to generate the documentation and print it to stdout
+      gemini "Generate a Markdown documentation summary for @$($_.Name). Print the result to standard output." | Out-File -FilePath $newName -Encoding utf8
+    }
+    ```
+
 2.  Make the script executable and run it in your directory:
 
+    **macOS/Linux**
+
     ```bash
     chmod +x generate_docs.sh
     ./generate_docs.sh
     ```
 
+    **Windows (PowerShell)**
+
+    ```powershell
+    .\generate_docs.ps1
+    ```
+
     This creates a corresponding Markdown file for every Python file in the
     folder.
 
@@ -90,7 +122,10 @@ like `jq`. To get pure JSON data from the model, combine the
 
 ### Scenario: Extract and return structured data
 
-1.  Save the following script as `generate_json.sh`:
+1.  Save the following script as `generate_json.sh` (or `generate_json.ps1` for
+    Windows):
+
+    **macOS/Linux (`generate_json.sh`)**
 
     ```bash
     #!/bin/bash
@@ -105,13 +140,35 @@ like `jq`. To get pure JSON data from the model, combine the
     gemini --output-format json "Return a raw JSON object with keys 'version' and 'deps' from @package.json" | jq -r '.response' > data.json
     ```
 
-2.  Run `generate_json.sh`:
+    **Windows PowerShell (`generate_json.ps1`)**
+
+    ```powershell
+    # Ensure we are in a project root
+    if (-not (Test-Path "package.json")) {
+      Write-Error "Error: package.json not found."
+      exit 1
+    }
+
+    # Extract data (requires jq installed, or you can use ConvertFrom-Json)
+    $output = gemini --output-format json "Return a raw JSON object with keys 'version' and 'deps' from @package.json" | ConvertFrom-Json
+    $output.response | Out-File -FilePath data.json -Encoding utf8
+    ```
+
+2.  Run the script:
+
+    **macOS/Linux**
 
     ```bash
     chmod +x generate_json.sh
     ./generate_json.sh
     ```
 
+    **Windows (PowerShell)**
+
+    ```powershell
+    .\generate_json.ps1
+    ```
+
 3.  Check `data.json`. The file should look like this:
 
     ```json
@@ -129,8 +186,10 @@ Use headless mode to perform custom, automated AI tasks.
 
 ### Scenario: Create a "Smart Commit" alias
 
-You can add a function to your shell configuration (like `.zshrc` or `.bashrc`)
-to create a `git commit` wrapper that writes the message for you.
+You can add a function to your shell configuration to create a `git commit`
+wrapper that writes the message for you.
+
+**macOS/Linux (Bash/Zsh)**
 
 1.  Open your `.zshrc` file (or `.bashrc` if you use Bash) in your preferred
     text editor.
@@ -170,6 +229,43 @@ to create a `git commit` wrapper that writes the message for you.
     source ~/.zshrc
     ```
 
+**Windows (PowerShell)**
+
+1.  Open your PowerShell profile in your preferred text editor.
+
+    ```powershell
+    notepad $PROFILE
+    ```
+
+2.  Scroll to the very bottom of the file and paste this code:
+
+    ```powershell
+    function gcommit {
+      # Get the diff of staged changes
+      $diff = git diff --staged
+
+      if (-not $diff) {
+        Write-Host "No staged changes to commit."
+        return
+      }
+
+      # Ask Gemini to write the message
+      Write-Host "Generating commit message..."
+      $msg = $diff | gemini "Write a concise Conventional Commit message for this diff. Output ONLY the message."
+
+      # Commit with the generated message
+      git commit -m "$msg"
+    }
+    ```
+
+    Save your file and exit.
+
+3.  Run this command to make the function available immediately:
+
+    ```powershell
+    . $PROFILE
+    ```
+
 4.  Use your new command:
 
     ```bash

docs/cli/tutorials/mcp-setup.md

@@ -20,10 +20,18 @@ Most MCP servers require authentication. For GitHub, you need a PAT.
     **Read/Write** access to **Issues** and **Pull Requests**.
 3.  Store it in your environment:
 
+**macOS/Linux**
+
 ```bash
 export GITHUB_PERSONAL_ACCESS_TOKEN="github_pat_..."
 ```
 
+**Windows (PowerShell)**
+
+```powershell
+$env:GITHUB_PERSONAL_ACCESS_TOKEN="github_pat_..."
+```
+
 ## How to configure Gemini CLI
 
 You tell Gemini about new servers by editing your `settings.json`.

docs/cli/tutorials/skills-getting-started.md

@@ -14,10 +14,18 @@ responding correctly.
 
 1.  Run the following command to create the folders:
 
+    **macOS/Linux**
+
     ```bash
     mkdir -p .gemini/skills/api-auditor/scripts
     ```
 
+    **Windows (PowerShell)**
+
+    ```powershell
+    New-Item -ItemType Directory -Force -Path ".gemini\skills\api-auditor\scripts"
+    ```
+
 ### Create the definition
 
 1.  Create a file at `.gemini/skills/api-auditor/SKILL.md`. This tells the agent