Fix checkout order submit payload and cash settlement UX.

Drop non-whitelisted fields that caused 400 on POST /orders, prevent double submit on checks, and only show cash success after create succeeds.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/stores/order.ts

@@ -115,21 +115,36 @@ export const useOrderStore = defineStore('order', () => {
       throw new Error('سبد خرید با سرور همگام نیست. لطفاً دوباره محصولات را به سبد اضافه کنید.')
     }
 
+    const companyItems = cart.items.filter((item) => item.companyId === companyId)
+    const itemsForOrder = companyItems.length ? companyItems : cart.items
+
     const body = {
       companyId,
       settlementType,
-      settlementMethod: settlementType,
       checkMode: settlementType === 'check' ? (checkMode ?? 'full') : undefined,
       notes: cart.notes,
-      items: cart.items.map((item) => ({
+      items: itemsForOrder.map((item) => ({
         productId: item.productId,
         meterage: item.meterage,
-        requestedMeterage: item.meterage,
         notes: item.notes,
       })),
       checks:
         settlementType === 'check' && checks
-          ? checks.map(({ id: _id, ...rest }) => rest)
+          ? checks.map((c) => ({
+              amount: c.amount,
+              dueDate: c.dueDate,
+              sayadId: c.sayadId,
+              checkNumber: c.checkNumber,
+              ownerNationalId: c.ownerNationalId,
+              ownerFirstName: c.ownerFirstName,
+              ownerLastName: c.ownerLastName,
+              bankName: c.bankName,
+              branchName: c.branchName,
+              frontImage: c.frontImage,
+              backImage: c.backImage,
+              notes: c.notes,
+              mode: c.mode,
+            }))
           : undefined,
     }
 
@@ -154,7 +169,7 @@ export const useOrderStore = defineStore('order', () => {
     receipt: Omit<CashPaymentReceipt, 'id' | 'submittedAt'>,
   ) {
     try {
-      const order = await apiRequest<Order>(`/orders/${orderId}/cash-receipt`, {
+      await apiRequest(`/orders/${orderId}/cash-receipt`, {
         method: 'POST',
         body: {
           amount: receipt.amount,
@@ -166,9 +181,10 @@ export const useOrderStore = defineStore('order', () => {
           notes: receipt.notes,
         },
       })
-      const idx = orders.value.findIndex((o) => o.id === orderId)
-      if (idx >= 0) orders.value[idx] = order
-      else orders.value.unshift(order)
+      const order = await fetchOrder(orderId)
+      if (!order) {
+        throw new Error('رسید ثبت شد ولی دریافت سفارش ناموفق بود.')
+      }
       return order
     } catch (e) {
       throw new Error(e instanceof ApiError ? e.message : 'ثبت رسید ناموفق بود.')
@@ -180,7 +196,21 @@ export const useOrderStore = defineStore('order', () => {
       const order = await apiRequest<Order>(`/orders/${orderId}/checks`, {
         method: 'PATCH',
         body: {
-          checks: checks.map(({ id: _id, ...rest }) => rest),
+          checks: checks.map((c) => ({
+            amount: c.amount,
+            dueDate: c.dueDate,
+            sayadId: c.sayadId,
+            checkNumber: c.checkNumber,
+            ownerNationalId: c.ownerNationalId,
+            ownerFirstName: c.ownerFirstName,
+            ownerLastName: c.ownerLastName,
+            bankName: c.bankName,
+            branchName: c.branchName,
+            frontImage: c.frontImage,
+            backImage: c.backImage,
+            notes: c.notes,
+            mode: c.mode,
+          })),
         },
       })
       const idx = orders.value.findIndex((o) => o.id === orderId)