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+<#
+.SYNOPSIS
+    Script Automation Monkey (SAMY) is a unified MSP assistant that automates onboarding, headless offboarding,
+    Datto RMM deployments, printer provisioning, and toolkit management through a local UI, HTTP endpoints,
+    or direct PowerShell switches.
+
+.DESCRIPTION
+    SAMY can be used in three ways:
+      1) Local UI (default) - launches a local web UI and exposes endpoints for tasks.
+      2) Headless / RMM mode  - run onboarding/offboarding/Datto flows using PowerShell switches.
+      3) Toolkit-only / cleanup - install or remove the SVSMSP module and related artifacts.
+
+    The Datto helper (Install-DattoRMM) centralizes:
+      - Credential retrieval (webhook or direct)
+      - OAuth token acquisition
+      - Site list retrieval and optional persistence
+      - Registry variable writes (HKLM:\Software\SVS\Deployment)
+      - Agent download/launch and optional installer archiving
+
+    Printer endpoints provide:
+      - /getprinters        (fetch profiles from server; optionally updates local config)
+      - /installprinters    (installs requested printers; supports -WhatIf when enabled)
+
+    Throughout, secrets are never written to logs or console, and all operations produce clear
+    success/failure messages via Write-LogHybrid.
+
+.CHANGES
+    - Windows 11 25H2: execution policy relaunch logic updated to improve reliability.
+    - UI template: HTML has been moved to samy.html (pulled from repo at runtime).
+    - UI hint message: now controlled via the {{SamyHintText}} placeholder in samy.html.
+      Recommended: set $Script:SamyHintText in the script or via a config file (future enhancement).
+    - Printers: Invoke-InstallPrinters supports enabling -WhatIf on Invoke-SVSPrinterInstall
+      (see Invoke-InstallPrinters; the line is commented by default).
+    - Assets: branch/base configuration is centralized in the SAMY asset config section
+      (SamyBranch/SamyRepoBase). Update those values once to switch UI/CSS/JS/HTML assets.
+
+.CONFIGURATION
+    SAMY asset config (branch + repo base):
+        $Script:SamyBranch   = 'beta'  # or 'main'
+        $Script:SamyRepoBase = 'https://git.svstools.ca/SVS_Public_Repo/SAMY/raw/branch'
+
+    UI hint message:
+        - samy.html contains: {{SamyHintText}}
+        - PowerShell sets:    $Script:SamyHintText = "Please use samy.svstools.ca"
+
+.PARAMETER SilentInstall
+    Toolkit-only mode. Installs/updates the SVSMSP toolkit module and exits (no UI).
+
+.PARAMETER Cleanup
+    Removes the SVSMSP module, unregisters repos, and clears related artifacts (including registry keys).
+
+.PARAMETER Offboard
+    Runs every offboarding task sequentially (same behavior as checking "Select All" in the Off-Boarding tab),
+    without launching the web UI.
+
+.PARAMETER UseWebhook
+    Fetches Datto API credentials from the webhook at WebhookUrl using WebhookPassword.
+
+.PARAMETER WebhookPassword
+    Password used to authenticate to the credentials webhook. Mandatory when -UseWebhook is set
+    for headless Datto modes. May be blank when using an allowlisted IP flow (server-side).
+
+.PARAMETER WebhookUrl
+    URL of the credentials webhook endpoint. Defaults to $Global:DattoWebhookUrl.
+
+.PARAMETER FetchSites
+    Fetches the list of Datto RMM sites and skips all install/variable-push actions.
+
+.PARAMETER SaveSitesList
+    Saves the fetched site list to the desktop as OutputFile. Must be used with -FetchSites.
+
+.PARAMETER OutputFile
+    Name of the file to write the site list to (must end in ".csv" or ".json").
+    Defaults to 'datto_sites.csv'.
+
+.PARAMETER SiteUID
+    The unique identifier of the Datto RMM site. Mandatory when performing install or variable-push.
+
+.PARAMETER SiteName
+    The friendly name of the Datto RMM site (used in logging). Mandatory when performing install or variable-push.
+
+.PARAMETER PushSiteVars
+    Fetches site-specific variables and writes them under HKLM:\Software\SVS\Deployment.
+
+.PARAMETER InstallRMM
+    Downloads and launches the Datto RMM agent installer for the specified site.
+
+.PARAMETER SaveCopy
+    Saves a copy of the downloaded Datto RMM installer into C:\Temp.
+
+.NOTES
+    Default EventLog : SVSMSP Events
+    Default Source   : SAMY
+
+.EXAMPLE
+    & ([ScriptBlock]::Create((iwr 'https://samy.svstools.com' -UseBasicParsing).Content)) -UseWebhook -WebhookPassword 'pwd' SiteUID 'site-123' -SiteName 'Acme Corp' -PushSiteVars -InstallRMM
+
+    # Headlessly installs the Datto RMM agent on “Acme Corp” and writes site variables to the registry.
+
+.EXAMPLE
+    & ([ScriptBlock]::Create((iwr 'https://samy.svstools.com' -UseBasicParsing).Content)) -UseWebhook -WebhookPassword 'pwd' -FetchSites -SaveSitesList -OutputFile 'sites.json'
+
+    # Fetches the full site list via webhook and saves it as JSON to your Desktop.
+
+.EXAMPLE
+    & ([ScriptBlock]::Create((iwr 'samy.svstools.ca' -UseBasicParsing).Content)) -SilentInstall
+
+.EXAMPLE
+    & ([ScriptBlock]::Create((iwr 'samy.svstools.com' -UseBasicParsing).Content)) -Cleanup
+
+.EXAMPLE
+    & ([ScriptBlock]::Create((iwr 'samy.svstools.ca' -UseBasicParsing).Content)) -Offboard
+
+    # Runs the off-boarding tasks in sequence without launching the UI.
+
+.EXAMPLE
+    # Printer provisioning (called from RMM / scripts)
+    $profiles = Get-SvsPrinterProfilesFromServer -Uri 'https://bananas.svstools.ca/getprinters' -Password $pw
+    Set-SvsPrinterLocalConfig -PrinterProfiles $profiles -SkipIfEmpty
+#>