обновил бэк закупок

server/routers/procurement/models/Product.js

@@ -0,0 +1,46 @@
+const mongoose = require('mongoose')
+
+const productSchema = new mongoose.Schema({
+  name: {
+    type: String,
+    required: true
+  },
+  category: {
+    type: String,
+    required: true
+  },
+  description: {
+    type: String,
+    required: true,
+    minlength: 20,
+    maxlength: 500
+  },
+  type: {
+    type: String,
+    enum: ['sell', 'buy'],
+    required: true
+  },
+  productUrl: String,
+  companyId: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: 'Company',
+    required: true
+  },
+  price: String,
+  unit: String,
+  minOrder: String,
+  createdAt: {
+    type: Date,
+    default: Date.now
+  },
+  updatedAt: {
+    type: Date,
+    default: Date.now
+  }
+})
+
+// Индекс для поиска
+productSchema.index({ companyId: 1, type: 1 })
+productSchema.index({ name: 'text', description: 'text' })
+
+module.exports = mongoose.model('Product', productSchema)