Distribution/Features/SysConfig/SysConfigController.cs

@@ -42,10 +42,11 @@ public class SysConfigController(SysConfigService service, ICurrentUserService c
     [HttpPut("{key}")]
     public async Task<IActionResult> Set(string key, SetSysConfigRequest request, CancellationToken ct)
     {
-        var userId = currentUser.UserId ?? throw new UnauthorizedAccessException();
+        var userId = currentUser.UserId ?? request.UserId;
+        if (userId is null) return BadRequest(new { error = "UserId is required while auth is unavailable" });
         try
         {
-            var result = await service.SetAsync(key, request.Value, userId, ct);
+            var result = await service.SetAsync(key, request.Value, userId.Value, ct);
             return Ok(result);
         }
         catch (InvalidOperationException ex) { return BadRequest(new { error = ex.Message }); }

Distribution/Features/SysConfig/SysConfigDTOs.cs

@@ -4,6 +4,6 @@ namespace Distribution.Features.SysConfig;
 
 public record SysConfigResponse(string Key, string Value, DateTime UpdatedAt, Guid? UpdatedBy);
 
-public record SetSysConfigRequest(string Value);
+public record SetSysConfigRequest(string Value, Guid? UserId);
 
 public record SetInvoiceCreationModeRequest(InvoiceCreationMode Mode);

Distribution/Features/SysConfig/SysConfigService.cs

@@ -7,6 +7,22 @@ public class SysConfigService(ISysConfigRepository repo, IUnitOfWork uow)
 {
     public const string KeyInvoiceCreationMode = "InvoiceCreationMode";
 
+    public const string KeySerialNumberTrackingEnabled = "Feature.SerialNumberTracking";
+    public const string KeyBatchTrackingEnabled = "Feature.BatchTracking";
+    public const string KeyExpiryDateTrackingEnabled = "Feature.ExpiryDateTracking";
+    public const string KeyWarrantyTrackingEnabled = "Feature.WarrantyTracking";
+    public const string KeyCustomWarrantyOverrideEnabled = "Feature.CustomWarrantyOverride";
+    public const string KeyDefaultWarrantyPeriodDays = "Feature.DefaultWarrantyPeriodDays";
+
+    private static readonly string[] BooleanFeatureKeys =
+    [
+        KeySerialNumberTrackingEnabled,
+        KeyBatchTrackingEnabled,
+        KeyExpiryDateTrackingEnabled,
+        KeyWarrantyTrackingEnabled,
+        KeyCustomWarrantyOverrideEnabled,
+    ];
+
     public async Task<List<SysConfigResponse>> GetAllAsync()
     {
         var configs = await repo.GetAllAsync();
@@ -55,11 +71,35 @@ public class SysConfigService(ISysConfigRepository repo, IUnitOfWork uow)
         return Enum.TryParse<InvoiceCreationMode>(config.Value, out var mode) ? mode : InvoiceCreationMode.ModeB;
     }
 
+    public async Task<bool> GetSerialNumberTrackingEnabledAsync() => await GetBoolAsync(KeySerialNumberTrackingEnabled);
+    public async Task<bool> GetBatchTrackingEnabledAsync() => await GetBoolAsync(KeyBatchTrackingEnabled);
+    public async Task<bool> GetExpiryDateTrackingEnabledAsync() => await GetBoolAsync(KeyExpiryDateTrackingEnabled);
+    public async Task<bool> GetWarrantyTrackingEnabledAsync() => await GetBoolAsync(KeyWarrantyTrackingEnabled);
+    public async Task<bool> GetCustomWarrantyOverrideEnabledAsync() => await GetBoolAsync(KeyCustomWarrantyOverrideEnabled);
+
+    public async Task<int> GetDefaultWarrantyPeriodDaysAsync()
+    {
+        var config = await repo.GetByKeyAsync(KeyDefaultWarrantyPeriodDays);
+        return config is not null && int.TryParse(config.Value, out var days) ? days : 0;
+    }
+
+    private async Task<bool> GetBoolAsync(string key)
+    {
+        var config = await repo.GetByKeyAsync(key);
+        return config is not null && bool.TryParse(config.Value, out var enabled) && enabled;
+    }
+
     private static void ValidateValue(string key, string value)
     {
         if (key == KeyInvoiceCreationMode && !Enum.TryParse<InvoiceCreationMode>(value, out _))
             throw new InvalidOperationException(
                 $"Invalid value '{value}' for '{key}'. Allowed values: {string.Join(", ", Enum.GetNames<InvoiceCreationMode>())}.");
+
+        if (BooleanFeatureKeys.Contains(key) && !bool.TryParse(value, out _))
+            throw new InvalidOperationException($"Invalid value '{value}' for '{key}'. Allowed values: true, false.");
+
+        if (key == KeyDefaultWarrantyPeriodDays && (!int.TryParse(value, out var days) || days < 0))
+            throw new InvalidOperationException($"Invalid value '{value}' for '{key}'. Must be a non-negative integer.");
     }
 
     private static SysConfigResponse ToResponse(Models.SysConfig c) =>