# install.ps1 — Claude Workflow setup installer for Windows

# Usage: powershell -ExecutionPolicy Bypass -File install.ps1 [-Project]

#

# -Project Also install CLAUDE.md + scripts\worktree-setup.sh

# into the current directory (run from your project root)

#Requires -Version 5.1

param(

[switch]$Project

)

$ErrorActionPreference = 'Stop'

$ScriptDir = $PSScriptRoot

$FilesDir = Join-Path $ScriptDir "files"

$ClaudeDir = "$env:USERPROFILE\.claude"

$Utf8NoBom = New-Object System.Text.UTF8Encoding $false

function Write-LF {

param([string]$Dest, [string]$Src)

$content = Get-Content $Src -Raw

$content = $content -replace "`r`n", "`n" -replace "`r", "`n"

[System.IO.File]::WriteAllText($Dest, $content, $Utf8NoBom)

}

# --- Prerequisites ---

Write-Host "Checking prerequisites..."

$python = $null

foreach ($cmd in @('python3','python')) {

if (Get-Command $cmd -ErrorAction SilentlyContinue) { $python = $cmd; break }

}

if (-not $python) {

Write-Host "ERROR: python3 not found. Install from https://python.org" -ForegroundColor Red

exit 1

}

Write-Host " python: $((& $python --version 2>&1))"

# --- Create ~/.claude directories ---

foreach ($d in @(

"$ClaudeDir\rules",

"$ClaudeDir\skills\dream",

"$ClaudeDir\skills\review",

"$ClaudeDir\commands",

"$ClaudeDir\handoff"

)) { New-Item -ItemType Directory -Force -Path $d | Out-Null }

# --- Install rules ---

Write-Host "Installing rules → $ClaudeDir\rules\"

Write-LF "$ClaudeDir\rules\code-style.md" "$FilesDir\rules\code-style.md"

Write-LF "$ClaudeDir\rules\testing.md" "$FilesDir\rules\testing.md"

Write-LF "$ClaudeDir\rules\git.md" "$FilesDir\rules\git.md"

Write-Host " code-style.md, testing.md, git.md"

# --- Install skills ---

Write-Host "Installing skills → $ClaudeDir\skills\"

Write-LF "$ClaudeDir\skills\dream\SKILL.md" "$FilesDir\skills\dream\SKILL.md"

Write-LF "$ClaudeDir\skills\review\SKILL.md" "$FilesDir\skills\review\SKILL.md"

Write-Host " dream/SKILL.md, review/SKILL.md"

# --- Install commands ---

Write-Host "Installing commands → $ClaudeDir\commands\"

Write-LF "$ClaudeDir\commands\doc-and-clear.md" "$FilesDir\commands\doc-and-clear.md"

Write-LF "$ClaudeDir\commands\fix-issue.md" "$FilesDir\commands\fix-issue.md"

Write-Host " doc-and-clear.md, fix-issue.md"

# --- Handoff placeholder ---

$gitkeep = "$ClaudeDir\handoff\.gitkeep"

if (-not (Test-Path $gitkeep)) { New-Item -ItemType File -Path $gitkeep | Out-Null }

# --- Merge hooks into ~/.claude/settings.json ---

Write-Host "Configuring hooks in $ClaudeDir\settings.json ..."

$SettingsPath = "$ClaudeDir\settings.json"

if (-not (Test-Path $SettingsPath)) {

[System.IO.File]::WriteAllText($SettingsPath, "{}`n", $Utf8NoBom)

}

$cfg = Get-Content $SettingsPath -Raw -Encoding UTF8 | ConvertFrom-Json

$preHook = [PSCustomObject]@{

matcher = "Edit|Write"

hooks = @(

[PSCustomObject]@{

type = "command"

command = "python3 -c `"import json, sys; data=json.load(sys.stdin); path=data.get('tool_input',{}).get('file_path',''); sys.exit(2 if any(p in path for p in ['.env', '.git/', 'package-lock.json', 'yarn.lock']) else 0)`""

}

)

}

$postHook = [PSCustomObject]@{

matcher = "Edit|Write"

hooks = @(

[PSCustomObject]@{

type = "command"

command = "if echo `"`$CLAUDE_FILE_PATH`" | grep -qE '\.(ts|tsx|js|jsx)$'; then npx prettier --write `"`$CLAUDE_FILE_PATH`" 2>/dev/null; fi"

}

)

}

$hooksObj = [PSCustomObject]@{

PreToolUse = @($preHook)

PostToolUse = @($postHook)

}

if ($cfg.PSObject.Properties['hooks']) {

$cfg.hooks = $hooksObj

} else {

$cfg | Add-Member -NotePropertyName hooks -NotePropertyValue $hooksObj

}

$json = $cfg | ConvertTo-Json -Depth 10

$json = $json -replace "`r`n", "`n"

[System.IO.File]::WriteAllText($SettingsPath, $json + "`n", $Utf8NoBom)

Write-Host " Hooks written."

# --- Project-level files (-Project flag) ---

if ($Project) {

Write-Host ""

Write-Host "Installing project files in $(Get-Location) ..."

if (Test-Path "CLAUDE.md") {

Write-Host " CLAUDE.md already exists — skipping (delete it first to overwrite)"

} else {

Write-LF "CLAUDE.md" "$FilesDir\CLAUDE.md"

Write-Host " CLAUDE.md"

}

New-Item -ItemType Directory -Force -Path ".claude\handoff" | Out-Null

New-Item -ItemType Directory -Force -Path "scripts" | Out-Null

$gk = ".claude\handoff\.gitkeep"

if (-not (Test-Path $gk)) { New-Item -ItemType File -Path $gk | Out-Null }

Write-LF "scripts\worktree-setup.sh" "$FilesDir\scripts\worktree-setup.sh"

Write-Host " scripts\worktree-setup.sh"

Write-Host " (make it executable in Git Bash: chmod +x scripts/worktree-setup.sh)"

}

# --- Done ---

Write-Host ""

Write-Host "Global install complete:" -ForegroundColor Green

Write-Host " ~/.claude/rules/ code-style, testing, git"

Write-Host " ~/.claude/skills/ dream, review"

Write-Host " ~/.claude/commands/ doc-and-clear, fix-issue"

Write-Host " ~/.claude/settings.json hooks configured"

Write-Host ""

if (-not $Project) {

Write-Host "To also set up a project, run from your project root:"

Write-Host " powershell -ExecutionPolicy Bypass -File `"$($MyInvocation.MyCommand.Path)`" -Project"

Write-Host ""

}

Write-Host "Restart Claude Code to activate all changes."

Write-Host ""

Write-Host "Quick reference:"

Write-Host " /dream Consolidate memory"

Write-Host " /review Review code before committing"

Write-Host " /fix-issue N Fix GitHub issue #N"

Write-Host " /doc-and-clear Save progress and clear context"