Ad-hoc quote email, accounting improvements, AI lookup fix, and misc service updates

- Quotes: ad-hoc email modal on Quote Details lets staff send to an address not on file;
  QuotesController passes overrideEmail through to NotificationService
- Quotes/Details view: SMS consent display, email/SMS send button state based on consent
- Accounting module: AccountingDisplayHelpers for consistent ledger formatting;
  AccountsController + Accounts views improvements; AccountingEnums additions
- Bills/Expenses: AI account categorization fixes in BillsController and ExpensesController
- InventoryAiLookupService: TDS cure fallback no longer fires on AiAugmentFromUrl path
  (LookupByUrlAsync already has it built in — was double-fetching)
- PdfService: quote/invoice PDF updates
- PricingCalculationService: minor pricing logic fix
- QuoteProfile: mapping updates for new quote fields
- ApplicationDbContextModelSnapshot: catches up to all 4 migrations in this branch

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

src/PowderCoating.Application/Services/PricingCalculationService.cs

@@ -126,9 +126,11 @@ public class PricingCalculationService : IPricingCalculationService
 
         // A coat is "custom" (must be purchased) when it has no inventory item but has a manual price.
         // In-stock coats reference an inventory item that already has stock on hand.
+        // Incoming coats reference an inventory item with IsIncoming=true (ordered, not yet received).
         bool isCustomPowder = !coat.InventoryItemId.HasValue
                               && coat.PowderCostPerLb.HasValue
                               && coat.PowderCostPerLb.Value > 0;
+        bool isIncomingPowder = false;
 
         if (coat.PowderCostPerLb.HasValue && coat.PowderCostPerLb.Value > 0)
         {
@@ -143,13 +145,14 @@ public class PricingCalculationService : IPricingCalculationService
         }
         else if (coat.InventoryItemId.HasValue && coat.InventoryItemId.Value > 0)
         {
-            // In-stock powder - use inventory cost
+            // In-stock or incoming powder - use inventory cost
             try
             {
                 var inventoryItem = await _unitOfWork.InventoryItems.GetByIdAsync(coat.InventoryItemId.Value);
                 if (inventoryItem != null && inventoryItem.UnitCost > 0)
                 {
                     costPerLb = inventoryItem.UnitCost;
+                    isIncomingPowder = inventoryItem.IsIncoming;
                     var coverage = coat.CoverageSqFtPerLb;
                     var transferEfficiency = coat.TransferEfficiency;
 
@@ -157,8 +160,8 @@ public class PricingCalculationService : IPricingCalculationService
                     var actualPoundsPerSqFt = poundsPerSqFt / (transferEfficiency / 100m);
                     powderCostPerSqFt = actualPoundsPerSqFt * costPerLb;
 
-                    _logger.LogInformation("Coat {CoatName}: Using inventory item: {InventoryItem}, UnitCost={UnitCost}/lb, Coverage={Coverage}sqft/lb, Efficiency={Efficiency}%, Calculated={CalcCost}/sqft",
-                        coat.CoatName, inventoryItem.Name, inventoryItem.UnitCost, coverage, transferEfficiency, powderCostPerSqFt);
+                    _logger.LogInformation("Coat {CoatName}: Using inventory item: {InventoryItem} (IsIncoming={IsIncoming}), UnitCost={UnitCost}/lb, Coverage={Coverage}sqft/lb, Efficiency={Efficiency}%, Calculated={CalcCost}/sqft",
+                        coat.CoatName, inventoryItem.Name, isIncomingPowder, inventoryItem.UnitCost, coverage, transferEfficiency, powderCostPerSqFt);
                 }
             }
             catch (Exception ex)
@@ -172,13 +175,13 @@ public class PricingCalculationService : IPricingCalculationService
         var batchSurfaceAreaSqFt = perItemSurfaceAreaSqFt * quantity;
         decimal coatMaterialCost;
 
-        if (batchSurfaceAreaSqFt > 0 && isCustomPowder && coat.PowderToOrder.HasValue && coat.PowderToOrder.Value > 0)
+        // Custom or incoming powder must be purchased for this job — charge for the full ordered
+        // quantity so the shop recovers the actual outlay, not just the calculated usage.
+        if (batchSurfaceAreaSqFt > 0 && (isCustomPowder || isIncomingPowder) && coat.PowderToOrder.HasValue && coat.PowderToOrder.Value > 0)
         {
-            // Custom powder that must be purchased: charge for the full ordered quantity, not just
-            // the calculated usage. The shop is spending money on the entire order for this job.
             coatMaterialCost = coat.PowderToOrder.Value * costPerLb;
-            _logger.LogInformation("Coat {CoatName}: Custom powder to order — charging full order qty {Lbs}lb × ${CostPerLb}/lb = ${Total} (calculated usage would have been ${Calc})",
-                coat.CoatName, coat.PowderToOrder.Value, costPerLb, coatMaterialCost, batchSurfaceAreaSqFt * powderCostPerSqFt);
+            _logger.LogInformation("Coat {CoatName}: {PowderKind} powder to order — charging full order qty {Lbs}lb × ${CostPerLb}/lb = ${Total} (calculated usage would have been ${Calc})",
+                coat.CoatName, isIncomingPowder ? "Incoming" : "Custom", coat.PowderToOrder.Value, costPerLb, coatMaterialCost, batchSurfaceAreaSqFt * powderCostPerSqFt);
         }
         else if (batchSurfaceAreaSqFt > 0)
         {