feat: add shadcn admin workspace

restart-services.ps1

@@ -1,6 +1,7 @@
 param(
   [switch]$FrontendOnly,
   [switch]$BackendOnly,
+  [switch]$AdminOnly,
   [switch]$McpOnly,
   [switch]$WithMcp,
   [string]$DatabaseUrl = "postgres://postgres:postgres%402025%21@10.0.0.2:5432/termi-api_development",
@@ -16,10 +17,11 @@ $stopScript = Join-Path $repoRoot "stop-services.ps1"
 $devScript = Join-Path $repoRoot "dev.ps1"
 $frontendScript = Join-Path $repoRoot "start-frontend.ps1"
 $backendScript = Join-Path $repoRoot "start-backend.ps1"
+$adminScript = Join-Path $repoRoot "start-admin.ps1"
 $mcpScript = Join-Path $repoRoot "start-mcp.ps1"
 
-if (@($FrontendOnly, $BackendOnly, $McpOnly).Where({ $_ }).Count -gt 1) {
-  throw "Use only one of -FrontendOnly, -BackendOnly, or -McpOnly."
+if (@($FrontendOnly, $BackendOnly, $AdminOnly, $McpOnly).Where({ $_ }).Count -gt 1) {
+  throw "Use only one of -FrontendOnly, -BackendOnly, -AdminOnly, or -McpOnly."
 }
 
 Write-Host "[restart] Stopping target services first..." -ForegroundColor Cyan
@@ -30,6 +32,9 @@ if ($FrontendOnly) {
 elseif ($BackendOnly) {
   & $stopScript -BackendOnly
 }
+elseif ($AdminOnly) {
+  & $stopScript -AdminOnly
+}
 elseif ($McpOnly) {
   & $stopScript -McpOnly
 }
@@ -60,6 +65,16 @@ if ($BackendOnly) {
   exit 0
 }
 
+if ($AdminOnly) {
+  Start-Process powershell -ArgumentList @(
+    "-NoExit",
+    "-ExecutionPolicy", "Bypass",
+    "-File", $adminScript
+  )
+  Write-Host "[restart] Admin window restarted." -ForegroundColor Green
+  exit 0
+}
+
 if ($McpOnly) {
   Start-Process powershell -ArgumentList @(
     "-NoExit",