chore: release server-v1.0.76

修复编辑入库单草稿后合计金额被清零(Update 漏累加 total)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YZ4DskSRKsSiheQonFtQvx

backend/internal/handler/stock_in.go

@@ -172,6 +172,7 @@ func (h *StockInHandler) Update(c *gin.Context) {
 			it.ProductID = prod.ID
 			it.ProductCode = prod.Code
 			it.TotalPrice = it.Quantity * it.UnitPrice
+			total += it.TotalPrice
 		}
 		updates := map[string]interface{}{
 			"warehouse_id": req.WarehouseID,