Add Parsec Windows module

registry/coder/modules/parsec/README.md

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+---
+display_name: Parsec
+description: Install Parsec host on Windows workspaces
+icon: ../../../../.icons/desktop.svg
+verified: false
+tags: [windows, remote-desktop, parsec]
+---
+
+# Parsec
+
+Install Parsec on Windows workspaces and expose a dashboard link to launch the Parsec
+client locally.
+
+```tf
+module "parsec" {
+  count    = data.coder_workspace.me.start_count
+  source   = "registry.coder.com/coder/parsec/coder"
+  version  = "1.0.0"
+  agent_id = coder_agent.main.id
+}
+```
+
+> [!IMPORTANT]
+> Parsec hosting is supported on Windows (and macOS). This module targets Windows
+> workspaces and expects a desktop environment plus a compatible GPU.
+
+## Usage notes
+
+1. The module installs Parsec silently on the workspace.
+2. Sign in to Parsec on the workspace once (RDP or other remote access) to enable hosting.
+3. Use the Parsec client locally to connect to the workspace.
+
+## Configuration
+
+```tf
+module "parsec" {
+  count          = data.coder_workspace.me.start_count
+  source         = "registry.coder.com/coder/parsec/coder"
+  version        = "1.0.0"
+  agent_id       = coder_agent.main.id
+  display_name   = "Parsec"
+  installer_url  = "https://builds.parsec.app/package/parsec-windows.exe"
+  installer_args = "/S"
+}
+```

registry/coder/modules/parsec/install-parsec.ps1

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+$ProgressPreference = "SilentlyContinue"
+
+$installerUrl = "${INSTALLER_URL}"
+$installerPath = Join-Path $env:TEMP "parsec-windows.exe"
+
+Write-Output "Downloading Parsec from $installerUrl"
+Invoke-WebRequest -Uri $installerUrl -OutFile $installerPath
+
+Write-Output "Installing Parsec"
+Start-Process -FilePath $installerPath -ArgumentList "${INSTALLER_ARGS}" -Wait
+
+Remove-Item $installerPath -Force

registry/coder/modules/parsec/main.tf

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+terraform {
+  required_version = ">= 1.0"
+
+  required_providers {
+    coder = {
+      source  = "coder/coder"
+      version = ">= 2.5"
+    }
+  }
+}
+
+variable "agent_id" {
+  type        = string
+  description = "The ID of a Coder agent."
+}
+
+variable "display_name" {
+  type        = string
+  description = "The display name for the Parsec app button."
+  default     = "Parsec"
+}
+
+variable "slug" {
+  type        = string
+  description = "The slug for the Parsec app button."
+  default     = "parsec"
+}
+
+variable "icon" {
+  type        = string
+  description = "The icon to use for the Parsec app button."
+  default     = "/icon/desktop.svg"
+}
+
+variable "order" {
+  type        = number
+  description = "The order determines the position of app in the UI presentation. The lowest order is shown first and apps with equal order are sorted by name (ascending order)."
+  default     = null
+}
+
+variable "group" {
+  type        = string
+  description = "The name of a group that this app belongs to."
+  default     = null
+}
+
+variable "installer_url" {
+  type        = string
+  description = "Parsec installer URL."
+  default     = "https://builds.parsec.app/package/parsec-windows.exe"
+}
+
+variable "installer_args" {
+  type        = string
+  description = "Installer arguments for silent install."
+  default     = "/S"
+}
+
+variable "app_url" {
+  type        = string
+  description = "URL used for the Parsec app button."
+  default     = "parsec://"
+}
+
+variable "tooltip" {
+  type        = string
+  description = "Tooltip shown for the Parsec app button."
+  default     = "Install the Parsec client locally, then connect to this workspace after signing in on the host."
+}
+
+resource "coder_script" "parsec_install" {
+  agent_id     = var.agent_id
+  display_name = "Install Parsec"
+  icon         = var.icon
+  run_on_start = true
+  script = templatefile("${path.module}/install-parsec.ps1", {
+    INSTALLER_URL  = var.installer_url
+    INSTALLER_ARGS = var.installer_args
+  })
+}
+
+resource "coder_app" "parsec" {
+  agent_id     = var.agent_id
+  slug         = var.slug
+  display_name = var.display_name
+  url          = var.app_url
+  icon         = var.icon
+  external     = true
+  order        = var.order
+  group        = var.group
+  tooltip      = var.tooltip
+}