chore: run_dev.ps1 + VS Code tasks

Windows Terminal dev runner a VS Code tasks pro spuštění
server+client z editoru.

run_dev.ps1

@@ -0,0 +1,23 @@
+# Spustí server a klienta v samostatných panelech jednoho okna Windows Terminalu.
+# Vyžaduje Windows Terminal (wt.exe) — výchozí součást Windows 11.
+
+$ErrorActionPreference = 'Stop'
+$ScriptDir = $PSScriptRoot
+
+Push-Location (Join-Path $ScriptDir 'types')
+try { yarn openapi-ts } finally { Pop-Location }
+
+if (-not (Get-Command wt.exe -ErrorAction SilentlyContinue)) {
+    Write-Error "wt.exe (Windows Terminal) nebyl nalezen. Nainstalujte z Microsoft Store nebo použijte run_dev.sh v WSL."
+    exit 1
+}
+
+$serverDir = Join-Path $ScriptDir 'server'
+$clientDir = Join-Path $ScriptDir 'client'
+
+# wt splits on ';' before respecting quoting, so encode the compound server command to avoid it
+$serverCmd    = '$env:NODE_ENV = ''development''; yarn startReload'
+$serverCmdB64 = [Convert]::ToBase64String([Text.Encoding]::Unicode.GetBytes($serverCmd))
+
+wt -w 0 new-tab --title 'luncher-server' -d $serverDir pwsh -NoExit -EncodedCommand $serverCmdB64 `; `
+   split-pane -H --title 'luncher-client' -d $clientDir pwsh -NoExit -Command "yarn start"