Commit remaining unstaged changes from this session

- Platform settings service: IPlatformSettingsService, PlatformSettingKeys,
  PlatformSettingsService, SubscriptionService, AppConstants,
  SubscriptionExpiryBackgroundService, SubscriptionMiddleware
- JobTimeEntry entity, DTOs, AutoMapper profile (ShopWorker → UserId migration)
- InventoryDtos: SourceTransactionId on PowderUsageLogDto
- InventoryTransactionRepository: include Job.Customer in ledger query
- InventoryAiLookupService: @graph unwrap + HTML price fallback
- ApplicationDbContextModelSnapshot: reflect migration changes
- launchSettings.json, publish profile

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

src/PowderCoating.Infrastructure/Services/SubscriptionService.cs

@@ -1,4 +1,5 @@
 using Microsoft.EntityFrameworkCore;
+using PowderCoating.Application.Interfaces;
 using PowderCoating.Core.Entities;
 using PowderCoating.Core.Enums;
 using PowderCoating.Core.Interfaces;
@@ -27,11 +28,13 @@ public class SubscriptionService : ISubscriptionService
 {
     private readonly IUnitOfWork _unitOfWork;
     private readonly ApplicationDbContext _context;
+    private readonly IPlatformSettingsService _platformSettings;
 
-    public SubscriptionService(IUnitOfWork unitOfWork, ApplicationDbContext context)
+    public SubscriptionService(IUnitOfWork unitOfWork, ApplicationDbContext context, IPlatformSettingsService platformSettings)
     {
         _unitOfWork = unitOfWork;
         _context = context;
+        _platformSettings = platformSettings;
     }
 
     /// <summary>
@@ -203,7 +206,8 @@ public class SubscriptionService : ISubscriptionService
         if (daysUntil == null || daysUntil > 0)
             return SubscriptionStatus.Active;
 
-        if (daysUntil >= -AppConstants.SubscriptionConstants.GracePeriodDays)
+        var graceDays = await GetEffectiveGracePeriodDaysAsync(company);
+        if (daysUntil >= -graceDays)
             return SubscriptionStatus.GracePeriod;
 
         return SubscriptionStatus.Expired;
@@ -226,6 +230,25 @@ public class SubscriptionService : ISubscriptionService
         return (int)(expiry - today).TotalDays;
     }
 
+    /// <summary>
+    /// Returns the effective grace period in days for a company. Trial companies (no Stripe subscription)
+    /// get 0 days unless the <c>GracePeriodAppliesToTrials</c> platform setting is explicitly enabled.
+    /// Paid companies always use the configured <c>GracePeriodDays</c> value.
+    /// </summary>
+    private async Task<int> GetEffectiveGracePeriodDaysAsync(Company company)
+    {
+        var isTrial = string.IsNullOrEmpty(company.StripeSubscriptionId);
+        if (isTrial)
+        {
+            var appliesToTrials = await _platformSettings.GetBoolAsync(
+                PlatformSettingKeys.GracePeriodAppliesToTrials, defaultValue: false);
+            if (!appliesToTrials) return 0;
+        }
+        return await _platformSettings.GetIntAsync(
+            PlatformSettingKeys.GracePeriodDays,
+            AppConstants.SubscriptionConstants.GracePeriodDays);
+    }
+
     /// <summary>
     /// Returns the total catalog item count (including soft-deleted) and the plan maximum.
     /// Returns a max of -1 when the plan config is absent (unlimited by default).