feat(migration): возвраты розницы + инвентаризация + дельта-синхронизация (updated>=)

- ImportRetailReturnsAsync (retailsalesreturn): связь с чеком по externalId demand, +остаток
- ImportInventoriesAsync (inventory): Completed без движений, BookQty/ActualQty из calculated/quantity
- Все 7 импортёров принимают updatedFromMsk → filter=updated>= (МСК) для дельты
- Контроллер: ?updatedFrom=<МСК> прокинут во все типы

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/food-market.api/Controllers/Admin/MoySkladImportController.cs

@@ -152,6 +152,8 @@ public async Task<ActionResult<object>> ImportSupplies([FromBody] ImportRequest
         var orgId = _tenant.OrganizationId ?? throw new InvalidOperationException("No tenant.");
         var type = HttpContext.Request.Query["type"].ToString(); // захватываем ДО Task.Run (HttpContext потом недоступен)
         int startOffset = int.TryParse(HttpContext.Request.Query["offset"].ToString(), out var off) ? off : 0;
+        var upd = HttpContext.Request.Query["updatedFrom"].ToString(); // дельта: filter=updated>= (МСК "yyyy-MM-dd HH:mm:ss")
+        string? updFrom = string.IsNullOrWhiteSpace(upd) ? null : upd;
         var job = _jobs.Create(string.IsNullOrEmpty(type) ? "supplies" : type);
         job.Stage = $"Перенос документов ({(string.IsNullOrEmpty(type) ? "приёмки" : type)}) с историей…";
         _ = Task.Run(async () =>
@@ -166,11 +168,13 @@ public async Task<ActionResult<object>> ImportSupplies([FromBody] ImportRequest
                 var pr = new foodmarket.Infrastructure.Integrations.MoySklad.MoySkladDocumentImportService.DocImportProgress();
                 switch (type)
                 {
-                    case "enter": await docs.ImportEntersAsync(token, startOffset, pr, CancellationToken.None); break;
-                    case "loss": await docs.ImportLossesAsync(token, startOffset, pr, CancellationToken.None); break;
-                    case "purchasereturn": await docs.ImportSupplierReturnsAsync(token, startOffset, pr, CancellationToken.None); break;
-                    case "retaildemand": await docs.ImportRetailSalesAsync(token, startOffset, pr, CancellationToken.None); break;
-                    default: await docs.ImportSuppliesAsync(token, startOffset, pr, CancellationToken.None); break;
+                    case "enter": await docs.ImportEntersAsync(token, startOffset, pr, CancellationToken.None, updFrom); break;
+                    case "loss": await docs.ImportLossesAsync(token, startOffset, pr, CancellationToken.None, updFrom); break;
+                    case "purchasereturn": await docs.ImportSupplierReturnsAsync(token, startOffset, pr, CancellationToken.None, updFrom); break;
+                    case "retaildemand": await docs.ImportRetailSalesAsync(token, startOffset, pr, CancellationToken.None, updFrom); break;
+                    case "retailsalesreturn": await docs.ImportRetailReturnsAsync(token, startOffset, pr, CancellationToken.None, updFrom); break;
+                    case "inventory": await docs.ImportInventoriesAsync(token, startOffset, pr, CancellationToken.None, updFrom); break;
+                    default: await docs.ImportSuppliesAsync(token, startOffset, pr, CancellationToken.None, updFrom); break;
                 }
                 job.Total = pr.Seen; job.Created = pr.Created; job.Skipped = pr.Skipped;
                 job.Message = $"Приёмки: перенесено {pr.Created}, пропущено {pr.Skipped}, ошибок {pr.Errors}. " +

src/food-market.infrastructure/Integrations/MoySklad/MoySkladDocumentImportService.cs

@@ -55,7 +55,7 @@ private static DateTime MomentToUtc(string? moment)
 
     // ── Приёмки (supply) ────────────────────────────────────────────────────
     public async Task<DocImportProgress> ImportSuppliesAsync(string token, int startOffset,
-        DocImportProgress progress, CancellationToken ct)
+        DocImportProgress progress, CancellationToken ct, string? updatedFromMsk = null)
     {
         var orgId = _tenant.OrganizationId ?? throw new InvalidOperationException("Tenant not set.");
         progress.Entity = "supply";
@@ -85,7 +85,7 @@ string UniqueNumber(string baseName, int year)
         // страницу гигантской/зависающей). assortment.meta.href в позиции есть и так — из него
         // берём id товара.
         await foreach (var d in _client.StreamDocumentsAsync<MsDocument>(token, "entity/supply",
-            "positions,agent,store", startOffset, null, ct))
+            "positions,agent,store", startOffset, updatedFromMsk, ct))
         {
             progress.Seen++;
             if (d.Id is null || done.Contains(d.Id)) { progress.Skipped++; continue; }
@@ -195,14 +195,14 @@ private async Task<DocMaps> LoadMapsAsync(Guid orgId, CancellationToken ct)
     }
 
     // ── Оприходования (enter) ────────────────────────────────────────────────
-    public async Task<DocImportProgress> ImportEntersAsync(string token, int startOffset, DocImportProgress progress, CancellationToken ct)
+    public async Task<DocImportProgress> ImportEntersAsync(string token, int startOffset, DocImportProgress progress, CancellationToken ct, string? updatedFromMsk = null)
     {
         var orgId = _tenant.OrganizationId!.Value; progress.Entity = "enter";
         var m = await LoadMapsAsync(orgId, ct);
         var done = (await _db.Enters.Where(x => x.MoySkladExternalId != null).Select(x => x.MoySkladExternalId!).ToListAsync(ct)).ToHashSet();
         var used = (await _db.Enters.Select(x => x.Number).ToListAsync(ct)).ToHashSet(StringComparer.OrdinalIgnoreCase);
         string Uniq(string b, int y) { if (used.Add(b)) return b; var w = $"{b}-{y}"; if (used.Add(w)) return w; for (var n = 2; ; n++) { var c = $"{b}-{y}-{n}"; if (used.Add(c)) return c; } }
-        await foreach (var d in _client.StreamDocumentsAsync<MsDocument>(token, "entity/enter", "positions,store", startOffset, null, ct))
+        await foreach (var d in _client.StreamDocumentsAsync<MsDocument>(token, "entity/enter", "positions,store", startOffset, updatedFromMsk, ct))
         {
             progress.Seen++; if (d.Id is null || done.Contains(d.Id)) { progress.Skipped++; continue; }
             try
@@ -224,14 +224,14 @@ await foreach (var d in _client.StreamDocumentsAsync<MsDocument>(token, "entity/
     }
 
     // ── Списания (loss) ──────────────────────────────────────────────────────
-    public async Task<DocImportProgress> ImportLossesAsync(string token, int startOffset, DocImportProgress progress, CancellationToken ct)
+    public async Task<DocImportProgress> ImportLossesAsync(string token, int startOffset, DocImportProgress progress, CancellationToken ct, string? updatedFromMsk = null)
     {
         var orgId = _tenant.OrganizationId!.Value; progress.Entity = "loss";
         var m = await LoadMapsAsync(orgId, ct);
         var done = (await _db.Losses.Where(x => x.MoySkladExternalId != null).Select(x => x.MoySkladExternalId!).ToListAsync(ct)).ToHashSet();
         var used = (await _db.Losses.Select(x => x.Number).ToListAsync(ct)).ToHashSet(StringComparer.OrdinalIgnoreCase);
         string Uniq(string b, int y) { if (used.Add(b)) return b; var w = $"{b}-{y}"; if (used.Add(w)) return w; for (var n = 2; ; n++) { var c = $"{b}-{y}-{n}"; if (used.Add(c)) return c; } }
-        await foreach (var d in _client.StreamDocumentsAsync<MsDocument>(token, "entity/loss", "positions,store", startOffset, null, ct))
+        await foreach (var d in _client.StreamDocumentsAsync<MsDocument>(token, "entity/loss", "positions,store", startOffset, updatedFromMsk, ct))
         {
             progress.Seen++; if (d.Id is null || done.Contains(d.Id)) { progress.Skipped++; continue; }
             try
@@ -253,14 +253,14 @@ await foreach (var d in _client.StreamDocumentsAsync<MsDocument>(token, "entity/
     }
 
     // ── Возвраты поставщику (purchasereturn) ─────────────────────────────────
-    public async Task<DocImportProgress> ImportSupplierReturnsAsync(string token, int startOffset, DocImportProgress progress, CancellationToken ct)
+    public async Task<DocImportProgress> ImportSupplierReturnsAsync(string token, int startOffset, DocImportProgress progress, CancellationToken ct, string? updatedFromMsk = null)
     {
         var orgId = _tenant.OrganizationId!.Value; progress.Entity = "purchasereturn";
         var m = await LoadMapsAsync(orgId, ct);
         var done = (await _db.SupplierReturns.Where(x => x.MoySkladExternalId != null).Select(x => x.MoySkladExternalId!).ToListAsync(ct)).ToHashSet();
         var used = (await _db.SupplierReturns.Select(x => x.Number).ToListAsync(ct)).ToHashSet(StringComparer.OrdinalIgnoreCase);
         string Uniq(string b, int y) { if (used.Add(b)) return b; var w = $"{b}-{y}"; if (used.Add(w)) return w; for (var n = 2; ; n++) { var c = $"{b}-{y}-{n}"; if (used.Add(c)) return c; } }
-        await foreach (var d in _client.StreamDocumentsAsync<MsDocument>(token, "entity/purchasereturn", "positions,agent,store", startOffset, null, ct))
+        await foreach (var d in _client.StreamDocumentsAsync<MsDocument>(token, "entity/purchasereturn", "positions,agent,store", startOffset, updatedFromMsk, ct))
         {
             progress.Seen++; if (d.Id is null || done.Contains(d.Id)) { progress.Skipped++; continue; }
             try
@@ -284,14 +284,14 @@ await foreach (var d in _client.StreamDocumentsAsync<MsDocument>(token, "entity/
     }
 
     // ── Розничные продажи (retaildemand) ─────────────────────────────────────
-    public async Task<DocImportProgress> ImportRetailSalesAsync(string token, int startOffset, DocImportProgress progress, CancellationToken ct)
+    public async Task<DocImportProgress> ImportRetailSalesAsync(string token, int startOffset, DocImportProgress progress, CancellationToken ct, string? updatedFromMsk = null)
     {
         var orgId = _tenant.OrganizationId!.Value; progress.Entity = "retaildemand";
         var m = await LoadMapsAsync(orgId, ct);
         var done = (await _db.RetailSales.Where(x => x.MoySkladExternalId != null).Select(x => x.MoySkladExternalId!).ToListAsync(ct)).ToHashSet();
         var used = (await _db.RetailSales.Select(x => x.Number).ToListAsync(ct)).ToHashSet(StringComparer.OrdinalIgnoreCase);
         string Uniq(string b, int y) { if (used.Add(b)) return b; var w = $"{b}-{y}"; if (used.Add(w)) return w; for (var n = 2; ; n++) { var c = $"{b}-{y}-{n}"; if (used.Add(c)) return c; } }
-        await foreach (var d in _client.StreamDocumentsAsync<MsDocument>(token, "entity/retaildemand", "positions,store", startOffset, null, ct))
+        await foreach (var d in _client.StreamDocumentsAsync<MsDocument>(token, "entity/retaildemand", "positions,store", startOffset, updatedFromMsk, ct))
         {
             progress.Seen++; if (d.Id is null || done.Contains(d.Id)) { progress.Skipped++; continue; }
             try
@@ -315,6 +315,73 @@ await foreach (var d in _client.StreamDocumentsAsync<MsDocument>(token, "entity/
         return progress;
     }
 
+    // ── Розничные возвраты (retailsalesreturn) ───────────────────────────────
+    public async Task<DocImportProgress> ImportRetailReturnsAsync(string token, int startOffset, DocImportProgress progress, CancellationToken ct, string? updatedFromMsk = null)
+    {
+        var orgId = _tenant.OrganizationId!.Value; progress.Entity = "retailsalesreturn";
+        var m = await LoadMapsAsync(orgId, ct);
+        var done = (await _db.RetailSales.Where(x => x.MoySkladExternalId != null && x.IsReturn).Select(x => x.MoySkladExternalId!).ToListAsync(ct)).ToHashSet();
+        var saleByMs = await _db.RetailSales.Where(x => x.MoySkladExternalId != null && !x.IsReturn)
+            .Select(x => new { x.Id, x.MoySkladExternalId }).ToDictionaryAsync(x => x.MoySkladExternalId!, x => x.Id, ct);
+        var used = (await _db.RetailSales.Select(x => x.Number).ToListAsync(ct)).ToHashSet(StringComparer.OrdinalIgnoreCase);
+        string Uniq(string b, int y) { if (used.Add(b)) return b; var w = $"{b}-{y}возв"; if (used.Add(w)) return w; for (var n = 2; ; n++) { var c = $"{b}-{y}-{n}возв"; if (used.Add(c)) return c; } }
+        await foreach (var d in _client.StreamDocumentsAsync<MsDocument>(token, "entity/retailsalesreturn", "positions,store,demand", startOffset, updatedFromMsk, ct))
+        {
+            progress.Seen++; if (d.Id is null || done.Contains(d.Id)) { progress.Skipped++; continue; }
+            try
+            {
+                var mom = MomentToUtc(d.Moment); var posted = d.Applicable;
+                var demandMs = IdFromHref(d.Demand?.Meta?.Href);
+                Guid? refSale = demandMs is not null && saleByMs.TryGetValue(demandMs, out var rs) ? rs : null;
+                var cash = d.CashSum / 100m; var card = d.NoCashSum / 100m; var total = d.Sum / 100m;
+                var pay = card > 0 ? foodmarket.Domain.Sales.PaymentMethod.Card : foodmarket.Domain.Sales.PaymentMethod.Cash;
+                var e = new foodmarket.Domain.Sales.RetailSale { OrganizationId = orgId, Number = Uniq(d.Name ?? $"МС-{d.Id[..8]}", mom.Year), Date = mom,
+                    Status = posted ? foodmarket.Domain.Sales.RetailSaleStatus.Posted : foodmarket.Domain.Sales.RetailSaleStatus.Draft,
+                    StoreId = m.StoreId, CurrencyId = m.CurrencyId, CashierUserId = m.AdminUserId, Payment = pay, PaidCash = cash, PaidCard = card,
+                    Subtotal = total, Total = total, Notes = d.Description, MoySkladExternalId = d.Id, IsReturn = true, ReferenceSaleId = refSale,
+                    PostedAt = posted ? mom : null, PostedByUserId = posted ? m.AdminUserId : null };
+                foreach (var (pid, a) in Aggregate(d, m.Products))
+                    e.Lines.Add(new foodmarket.Domain.Sales.RetailSaleLine { OrganizationId = orgId, ProductId = pid, Quantity = a.Qty, UnitPrice = a.Qty != 0 ? decimal.Round(a.Amount / a.Qty, 4) : 0m, LineTotal = decimal.Round(a.Amount, 2) });
+                _db.RetailSales.Add(e);
+                if (posted) foreach (var l in e.Lines) await _stock.ApplyMovementAsync(new StockMovementDraft(l.ProductId, m.StoreId, l.Quantity, MovementType.CustomerReturn, "retail-return", e.Id, e.Number, l.UnitPrice, mom, m.AdminUserId), ct);
+                await _db.SaveChangesAsync(ct); _db.ChangeTracker.Clear(); done.Add(d.Id); progress.Created++;
+            }
+            catch (Exception ex) { _db.ChangeTracker.Clear(); progress.Errors++; if (progress.ErrorSamples.Count < 20) progress.ErrorSamples.Add($"{d.Name}: {ex.Message}"); _log.LogWarning(ex, "retailsalesreturn {Id}", d.Id); }
+        }
+        return progress;
+    }
+
+    // ── Инвентаризации (inventory) — история без движения остатков (как в нашей модели) ──
+    public async Task<DocImportProgress> ImportInventoriesAsync(string token, int startOffset, DocImportProgress progress, CancellationToken ct, string? updatedFromMsk = null)
+    {
+        var orgId = _tenant.OrganizationId!.Value; progress.Entity = "inventory";
+        var m = await LoadMapsAsync(orgId, ct);
+        var done = (await _db.InventoryDocs.Where(x => x.MoySkladExternalId != null).Select(x => x.MoySkladExternalId!).ToListAsync(ct)).ToHashSet();
+        var used = (await _db.InventoryDocs.Select(x => x.Number).ToListAsync(ct)).ToHashSet(StringComparer.OrdinalIgnoreCase);
+        string Uniq(string b, int y) { if (used.Add(b)) return b; var w = $"{b}-{y}"; if (used.Add(w)) return w; for (var n = 2; ; n++) { var c = $"{b}-{y}-{n}"; if (used.Add(c)) return c; } }
+        await foreach (var d in _client.StreamDocumentsAsync<MsDocument>(token, "entity/inventory", "positions,store", startOffset, updatedFromMsk, ct))
+        {
+            progress.Seen++; if (d.Id is null || done.Contains(d.Id)) { progress.Skipped++; continue; }
+            try
+            {
+                var mom = MomentToUtc(d.Moment);
+                var e = new foodmarket.Domain.Inventory.InventoryDoc { OrganizationId = orgId, Number = Uniq(d.Name ?? $"МС-{d.Id[..8]}", mom.Year), Date = mom,
+                    Status = foodmarket.Domain.Inventory.InventoryStatus.Completed, StoreId = m.StoreId, Notes = d.Description, MoySkladExternalId = d.Id };
+                var seen = new HashSet<Guid>();
+                foreach (var pos in d.Positions?.Rows ?? new())
+                {
+                    var prodMs = IdFromHref(pos.Assortment?.Meta?.Href);
+                    if (prodMs is null || !m.Products.TryGetValue(prodMs, out var pid) || !seen.Add(pid)) continue;
+                    e.Lines.Add(new foodmarket.Domain.Inventory.InventoryLine { OrganizationId = orgId, ProductId = pid, BookQty = pos.CalculatedQuantity, ActualQty = pos.Quantity });
+                }
+                _db.InventoryDocs.Add(e);
+                await _db.SaveChangesAsync(ct); _db.ChangeTracker.Clear(); done.Add(d.Id); progress.Created++;
+            }
+            catch (Exception ex) { _db.ChangeTracker.Clear(); progress.Errors++; if (progress.ErrorSamples.Count < 20) progress.ErrorSamples.Add($"{d.Name}: {ex.Message}"); _log.LogWarning(ex, "inventory {Id}", d.Id); }
+        }
+        return progress;
+    }
+
     /// <summary>Гарантирует склад орг с MoySkladExternalId = склад МойСклада (магазин
     /// с одним складом). Берём первый склад орг и помечаем его msId при первом вызове.</summary>
     private async Task<Guid> EnsureStoreAsync(Guid orgId, CancellationToken ct)

src/food-market.infrastructure/Integrations/MoySklad/MoySkladDtos.cs

@@ -169,6 +169,7 @@ public class MsPosition
 {
     [JsonPropertyName("id")] public string? Id { get; set; }
     [JsonPropertyName("quantity")] public decimal Quantity { get; set; }
+    [JsonPropertyName("calculatedQuantity")] public decimal CalculatedQuantity { get; set; } // инвентаризация: учётное кол-во
     [JsonPropertyName("price")] public decimal Price { get; set; }     // тиыны за ед.
     [JsonPropertyName("discount")] public decimal Discount { get; set; } // % скидки
     [JsonPropertyName("vat")] public int Vat { get; set; }