feat(calculator): split wire wage, expected profit, and VAT

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

src/components/GoldDayCalculatorModal.vue

@@ -37,17 +37,25 @@
 
       <BasicInput
         v-model:value="feePercent"
-        title="اجرت ساخت (%)"
+        title="اجرت ساخت مفتول (%)"
         type="tel"
         place-holder="مثلاً ۷"
         inputmode="decimal"
       />
 
       <BasicInput
-        v-model:value="taxPercent"
+        v-model:value="profitPercent"
-        title="سود و مالیات (%)"
+        title="سود مورد انتظار (%)"
         type="tel"
-        place-holder="مثلاً ۹"
+        place-holder="مثلاً ۵"
+        inputmode="decimal"
+      />
+
+      <BasicInput
+        v-model:value="taxPercent"
+        title="مالیات ارزش افزوده (%)"
+        type="tel"
+        place-holder="مثلاً ۱۰"
         inputmode="decimal"
       />
 
@@ -63,11 +71,15 @@
             <span class="gold-day-calc__num">{{ formatRial(breakdown.goldCost) }}</span>
           </div>
           <div class="flex justify-between gap-2">
-            <span>اجرت</span>
+            <span>اجرت ساخت مفتول</span>
             <span class="gold-day-calc__num">{{ formatRial(breakdown.feeCost) }}</span>
           </div>
           <div class="flex justify-between gap-2">
-            <span>سود و مالیات</span>
+            <span>سود مورد انتظار</span>
+            <span class="gold-day-calc__num">{{ formatRial(breakdown.profitCost) }}</span>
+          </div>
+          <div class="flex justify-between gap-2">
+            <span>مالیات ارزش افزوده</span>
             <span class="gold-day-calc__num">{{ formatRial(breakdown.taxCost) }}</span>
           </div>
         </div>
@@ -109,6 +121,7 @@ const weightUnit = computed(() => settingsStore.tradeWeightUnit)
 
 const weight = ref<string | number>('')
 const feePercent = ref<string | number>('')
+const profitPercent = ref<string | number>('')
 const taxPercent = ref<string | number>('')
 const tick = ref(0)
 
@@ -139,13 +152,16 @@ const breakdown = computed(() => {
   void tick.value
   const w = parseNum(weight.value)
   const fee = parseNum(feePercent.value)
+  const profit = parseNum(profitPercent.value)
   const tax = parseNum(taxPercent.value)
   const unit = liveUnitPrice.value
   const goldCost = w * unit
   const feeCost = goldCost * (fee / 100)
-  const taxCost = (goldCost + feeCost) * (tax / 100)
+  const afterFee = goldCost + feeCost
-  const total = goldCost + feeCost + taxCost
+  const profitCost = afterFee * (profit / 100)
-  return { goldCost, feeCost, taxCost, total }
+  const taxCost = (afterFee + profitCost) * (tax / 100)
+  const total = afterFee + profitCost + taxCost
+  return { goldCost, feeCost, profitCost, taxCost, total }
 })
 
 const formattedTotal = computed(() => formatRial(breakdown.value.total))