fix(scripts): update justfile and verify_deployment script to check /health version

verify_deployment.ps1

@@ -5,13 +5,15 @@ $HealthUrl = "http://127.0.0.1:$Port/ping"
 $UiUrl = "http://127.0.0.1:$Port/?t=$(Get-Random)"
 $ExpectedContent = "open-color" # Basic sanity check that we are serving the updated UI
 
-Write-Host "Verifying server HEALTH at $HealthUrl..." -ForegroundColor Cyan
+Write-Host "Verifying server HEALTH at http://127.0.0.1:$Port/health..." -ForegroundColor Cyan
 
 for ($i = 1; $i -le 40; $i++) {
     try {
-        $healthResponse = Invoke-WebRequest -Uri $HealthUrl -UseBasicParsing -ErrorAction Stop
-        if ($healthResponse.StatusCode -eq 200) {
-            Write-Host "✅ Server /ping is UP! (Attempt $i)" -ForegroundColor Green
+        $healthResponse = Invoke-RestMethod -Uri "http://127.0.0.1:$Port/health" -UseBasicParsing -ErrorAction Stop
+        if ($healthResponse.status -eq "ok") {
+            $ver = $healthResponse.version
+            Write-Host "✅ Server /health is UP! Status: $($healthResponse.status.ToUpper()) (Attempt $i)" -ForegroundColor Green
+            Write-Host "   Running Build Version: $($ver.app_version) [$($ver.target_os)/$($ver.target_arch)]" -ForegroundColor Green
             
             Write-Host "Verifying UI payload at $UiUrl..." -ForegroundColor Cyan
             $uiResponse = Invoke-WebRequest -Uri $UiUrl -UseBasicParsing -ErrorAction Stop
@@ -23,7 +25,7 @@ for ($i = 1; $i -le 40; $i++) {
             }
         }
     } catch {
-        Write-Host "⏳ Server /ping not responding yet... (Attempt $i)" -ForegroundColor Yellow
+        Write-Host "⏳ Server /health not responding yet... (Attempt $i)" -ForegroundColor Yellow
     }
     Start-Sleep -Seconds 1
 }