Allow dev on windows machine (#357)

scripts/dev.ps1

@@ -0,0 +1,65 @@
+$ErrorActionPreference = "Stop"
+
+# Ensure node_modules/.bin is in PATH
+$ScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
+$env:PATH = "$ScriptDir\..\node_modules\.bin;$env:PATH"
+
+# Derive PASEO_HOME: stable name for worktrees, temporary dir otherwise
+if (-not $env:PASEO_HOME) {
+    $GitDir = git rev-parse --git-dir 2>$null
+    $GitCommonDir = git rev-parse --git-common-dir 2>$null
+
+    if ($GitDir -and $GitCommonDir -and ($GitDir -ne $GitCommonDir)) {
+        # Inside a worktree — derive a stable home from the worktree name
+        $WorktreeRoot = git rev-parse --show-toplevel
+        $WorktreeName = (Split-Path -Leaf $WorktreeRoot).ToLower() -replace '[^a-z0-9-]', '-' -replace '-+', '-' -replace '^-|-$', ''
+        $env:PASEO_HOME = "$env:USERPROFILE\.paseo-$WorktreeName"
+        New-Item -ItemType Directory -Force -Path $env:PASEO_HOME | Out-Null
+    } else {
+        $env:PASEO_HOME = Join-Path ([System.IO.Path]::GetTempPath()) "paseo-dev-$([System.Guid]::NewGuid().ToString('N').Substring(0,6))"
+        New-Item -ItemType Directory -Force -Path $env:PASEO_HOME | Out-Null
+        # Register cleanup on exit
+        $TempPaseoHome = $env:PASEO_HOME
+        Register-EngineEvent PowerShell.Exiting -Action {
+            Remove-Item -Recurse -Force $TempPaseoHome -ErrorAction SilentlyContinue
+        } | Out-Null
+    }
+}
+
+# Share speech models with the main install to avoid duplicate downloads
+if (-not $env:PASEO_LOCAL_MODELS_DIR) {
+    $env:PASEO_LOCAL_MODELS_DIR = "$env:USERPROFILE\.paseo\models\local-speech"
+    New-Item -ItemType Directory -Force -Path $env:PASEO_LOCAL_MODELS_DIR | Out-Null
+}
+
+Write-Host @"
+======================================================
+  Paseo Dev (Windows)
+======================================================
+  Home:    $($env:PASEO_HOME)
+  Models:  $($env:PASEO_LOCAL_MODELS_DIR)
+  Daemon:  localhost:6767
+======================================================
+"@
+
+# Allow any origin in dev so Electron on random ports all work.
+# SECURITY: wildcard CORS is unsafe in production — only acceptable here because
+# the daemon binds to localhost and this script is never used for production.
+# Build dependencies required by the daemon (they only ship dist/)
+Write-Host "Building @getpaseo/highlight..."
+npm run build --workspace=@getpaseo/highlight
+Write-Host "Building @getpaseo/relay..."
+npm run build --workspace=@getpaseo/relay
+
+$env:PASEO_CORS_ORIGINS = "*"
+
+# Configure the app to auto-connect to this daemon on localhost
+$env:EXPO_PUBLIC_LOCAL_DAEMON = "localhost:6767"
+$env:BROWSER = "none"
+
+# Run both with concurrently
+concurrently `
+    --names "daemon,metro" `
+    --prefix-colors "cyan,magenta" `
+    "npm run dev:server" `
+    "cd packages/app && npx expo start"