Fix Cash account subtype missing from debit-normal balance check

AccountSubType.Cash was not included in IsNormalDebitBalance in both
AccountBalanceService and LedgerService, causing Cash accounts to be
treated as credit-normal. Payments deposited to a Cash account were
debited in the wrong direction, producing a negative balance.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Jenkinsfile

@@ -24,6 +24,17 @@ pipeline {
             }
         }
 
+        stage('Test') {
+            steps {
+                bat 'dotnet test tests\\PowderCoating.UnitTests --no-build -c Release --logger "trx;LogFileName=results.trx" --results-directory TestResults'
+            }
+            post {
+                always {
+                    junit testResults: 'TestResults/*.trx', allowEmptyResults: true
+                }
+            }
+        }
+
         stage('Run Migrations') {
             steps {
                 bat 'dotnet tool install --global dotnet-ef 2>nul || dotnet tool update --global dotnet-ef 2>nul'
@@ -42,7 +53,18 @@ pipeline {
 
         stage('Deploy to Azure') {
             steps {
-                bat 'powershell -Command "Add-Type -Assembly System.IO.Compression.FileSystem; if (Test-Path deploy.zip) { Remove-Item deploy.zip }; [System.IO.Compression.ZipFile]::CreateFromDirectory(\'publish\', \'deploy.zip\')"'
+                powershell '''
+                    Add-Type -Assembly System.IO.Compression.FileSystem
+                    if (Test-Path deploy.zip) { Remove-Item deploy.zip }
+                    $publishDir = (Resolve-Path "publish").Path
+                    $zip = [System.IO.Compression.ZipFile]::Open("deploy.zip", "Create")
+                    Get-ChildItem -Path $publishDir -Recurse -File | ForEach-Object {
+                        $entryName = $_.FullName.Substring($publishDir.Length + 1).Replace("\\", "/")
+                        [System.IO.Compression.ZipFileExtensions]::CreateEntryFromFile($zip, $_.FullName, $entryName, "Optimal") | Out-Null
+                    }
+                    $zip.Dispose()
+                    Write-Host "deploy.zip created with forward-slash entry paths"
+                '''
                 withCredentials([azureServicePrincipal(
                     credentialsId:          'azure-pcl',
                     subscriptionIdVariable: 'AZ_SUB_ID',
@@ -57,6 +79,32 @@ pipeline {
                 }
             }
         }
+
+        stage('Health Check') {
+            steps {
+                powershell '''
+                    $url = "https://app.powdercoatinglogix.com/"
+                    $timeout = 180
+                    $elapsed = 0
+                    Write-Host "Polling $url for up to $timeout seconds..."
+                    do {
+                        Start-Sleep -Seconds 10
+                        $elapsed += 10
+                        try {
+                            $r = Invoke-WebRequest $url -UseBasicParsing -TimeoutSec 10
+                            if ($r.StatusCode -lt 400) {
+                                Write-Host "App responded HTTP $($r.StatusCode) after ${elapsed}s"
+                                exit 0
+                            }
+                        } catch {
+                            Write-Host "[${elapsed}s] Not yet responding: $_"
+                        }
+                    } while ($elapsed -lt $timeout)
+                    Write-Error "App did not come healthy within $timeout seconds"
+                    exit 1
+                '''
+            }
+        }
     }
 
     post {

src/PowderCoating.Infrastructure/Services/AccountBalanceService.cs

@@ -117,7 +117,8 @@ public class AccountBalanceService : IAccountBalanceService
     /// </summary>
     private static bool IsNormalDebitBalance(AccountSubType subType) => subType switch
     {
-        AccountSubType.Checking
+        AccountSubType.Cash
+            or AccountSubType.Checking
             or AccountSubType.Savings
             or AccountSubType.AccountsReceivable
             or AccountSubType.Inventory

src/PowderCoating.Infrastructure/Services/LedgerService.cs

@@ -349,7 +349,8 @@ public class LedgerService : ILedgerService
     private static bool IsNormalDebitBalance(AccountSubType subType) => subType switch
     {
         // Asset subtypes → normal debit balance
-        AccountSubType.Checking
+        AccountSubType.Cash
+            or AccountSubType.Checking
             or AccountSubType.Savings
             or AccountSubType.AccountsReceivable
             or AccountSubType.Inventory