Add budget-based restocking feature

CLAUDE.md

@@ -46,6 +46,9 @@ npm install && npm run dev
 **Data Flow**: Vue filters → `client/src/api.js` → FastAPI → In-memory filtering → Pydantic validation → Computed properties
 **Reactivity**: Raw data in refs (`allOrders`, `inventoryItems`), derived data in computed properties
 
+## Code Style
+- Always document non-obvious logic changes with comments
+
 ## API Endpoints
 - `GET /api/inventory` - Filters: warehouse, category
 - `GET /api/orders` - Filters: warehouse, category, status, month

client/src/App.vue

@@ -22,6 +22,9 @@
           <router-link to="/demand" :class="{ active: $route.path === '/demand' }">
             {{ t('nav.demandForecast') }}
           </router-link>
+          <router-link to="/restocking" :class="{ active: $route.path === '/restocking' }">
+            {{ t('nav.restocking') }}
+          </router-link>
           <router-link to="/reports" :class="{ active: $route.path === '/reports' }">
             Reports
           </router-link>

client/src/api.js

@@ -102,5 +102,10 @@ export const api = {
   async getPurchaseOrderByBacklogItem(backlogItemId) {
     const response = await axios.get(`${API_BASE_URL}/purchase-orders/${backlogItemId}`)
     return response.data
+  },
+
+  async createRestockOrder(payload) {
+    const response = await axios.post(`${API_BASE_URL}/orders`, payload)
+    return response.data
   }
 }

client/src/locales/en.js

@@ -6,6 +6,7 @@ export default {
     orders: 'Orders',
     finance: 'Finance',
     demandForecast: 'Demand Forecast',
+    restocking: 'Restocking',
     companyName: 'Catalyst Components',
     subtitle: 'Inventory Management System'
   },
@@ -106,11 +107,13 @@ export default {
     title: 'Orders',
     description: 'View and manage customer orders',
     allOrders: 'All Orders',
+    submittedOrders: 'Submitted Orders',
     totalOrders: 'Total Orders',
     totalRevenue: 'Total Revenue',
     avgOrderValue: 'Avg Order Value',
     onTimeDelivery: 'On-Time Delivery',
     itemsCount: '{count} items',
+    leadTimeDays: '{days} days',
     quantity: 'Qty',
     table: {
       orderNumber: 'Order Number',
@@ -125,7 +128,33 @@ export default {
       totalValue: 'Total Value',
       status: 'Status',
       expectedDelivery: 'Expected Delivery',
-      actualDelivery: 'Actual Delivery'
+      actualDelivery: 'Actual Delivery',
+      leadTime: 'Lead Time'
+    }
+  },
+
+  // Restocking
+  restocking: {
+    title: 'Restocking',
+    description: 'Set a budget and order recommended restock quantities from the demand forecast',
+    budgetLabel: 'Available Budget',
+    recommendationsTitle: 'Recommended Restock',
+    noRecommendations: 'No items fit within this budget. Increase the budget to see recommendations.',
+    totalCost: 'Total Cost',
+    remaining: 'Remaining Budget',
+    placeOrder: 'Place Order',
+    placingOrder: 'Placing order...',
+    orderPlaced: 'Restocking order {orderNumber} submitted successfully.',
+    viewInOrders: 'View in Orders',
+    table: {
+      sku: 'SKU',
+      itemName: 'Item Name',
+      currentDemand: 'Current Demand',
+      forecastedDemand: 'Forecasted Demand',
+      recommendedQty: 'Recommended Qty',
+      unitCost: 'Unit Cost',
+      lineTotal: 'Line Total',
+      trend: 'Trend'
     }
   },
 
@@ -204,6 +233,7 @@ export default {
     shipped: 'Shipped',
     processing: 'Processing',
     backordered: 'Backordered',
+    submitted: 'Submitted',
     inStock: 'In Stock',
     lowStock: 'Low Stock',
     adequate: 'Adequate'

client/src/locales/ja.js

@@ -6,6 +6,7 @@ export default {
     orders: '注文',
     finance: '財務',
     demandForecast: '需要予測',
+    restocking: '在庫補充',
     companyName: '触媒コンポーネンツ',
     subtitle: '在庫管理システム'
   },
@@ -106,11 +107,13 @@ export default {
     title: '注文',
     description: '顧客注文の表示と管理',
     allOrders: 'すべての注文',
+    submittedOrders: '提出済み注文',
     totalOrders: '総注文数',
     totalRevenue: '総収益',
     avgOrderValue: '平均注文額',
     onTimeDelivery: '定時配達',
     itemsCount: '{count}件',
+    leadTimeDays: '{days}日',
     quantity: '数量',
     table: {
       orderNumber: '注文番号',
@@ -125,7 +128,33 @@ export default {
       totalValue: '合計金額',
       status: 'ステータス',
       expectedDelivery: '予定配達日',
-      actualDelivery: '実際の配達日'
+      actualDelivery: '実際の配達日',
+      leadTime: 'リードタイム'
+    }
+  },
+
+  // Restocking
+  restocking: {
+    title: '在庫補充',
+    description: '予算を設定し、需要予測から推奨される補充数量を発注します',
+    budgetLabel: '利用可能な予算',
+    recommendationsTitle: '推奨補充',
+    noRecommendations: 'この予算に収まる品目がありません。予算を増やすと推奨が表示されます。',
+    totalCost: '合計コスト',
+    remaining: '残り予算',
+    placeOrder: '発注する',
+    placingOrder: '発注中...',
+    orderPlaced: '在庫補充注文 {orderNumber} が正常に提出されました。',
+    viewInOrders: '注文で表示',
+    table: {
+      sku: 'SKU',
+      itemName: '品目名',
+      currentDemand: '現在の需要',
+      forecastedDemand: '予測需要',
+      recommendedQty: '推奨数量',
+      unitCost: '単価',
+      lineTotal: '小計',
+      trend: 'トレンド'
     }
   },
 
@@ -204,6 +233,7 @@ export default {
     shipped: '出荷済み',
     processing: '処理中',
     backordered: 'バックオーダー',
+    submitted: '提出済み',
     inStock: '在庫あり',
     lowStock: '在庫僅少',
     adequate: '適量'

client/src/main.js

@@ -5,6 +5,7 @@ import Dashboard from './views/Dashboard.vue'
 import Inventory from './views/Inventory.vue'
 import Orders from './views/Orders.vue'
 import Demand from './views/Demand.vue'
+import Restocking from './views/Restocking.vue'
 import Spending from './views/Spending.vue'
 import Reports from './views/Reports.vue'
 
@@ -15,6 +16,7 @@ const router = createRouter({
     { path: '/inventory', component: Inventory },
     { path: '/orders', component: Orders },
     { path: '/demand', component: Demand },
+    { path: '/restocking', component: Restocking },
     { path: '/spending', component: Spending },
     { path: '/reports', component: Reports }
   ]

client/src/views/Orders.vue

@@ -29,7 +29,7 @@
 
       <div class="card">
         <div class="card-header">
-          <h3 class="card-title">{{ t('orders.allOrders') }} ({{ orders.length }})</h3>
+          <h3 class="card-title">{{ t('orders.allOrders') }} ({{ activeOrders.length }})</h3>
         </div>
         <div class="table-container">
           <table class="orders-table">
@@ -45,7 +45,7 @@
               </tr>
             </thead>
             <tbody>
-              <tr v-for="order in orders" :key="order.id">
+              <tr v-for="order in activeOrders" :key="order.id">
                 <td class="col-order-number"><strong>{{ order.order_number }}</strong></td>
                 <td class="col-customer">{{ translateCustomerName(order.customer) }}</td>
                 <td class="col-items">
@@ -74,6 +74,48 @@
           </table>
         </div>
       </div>
+
+      <div v-if="submittedOrders.length > 0" class="card">
+        <div class="card-header">
+          <h3 class="card-title">{{ t('orders.submittedOrders') }} ({{ submittedOrders.length }})</h3>
+        </div>
+        <div class="table-container">
+          <table class="orders-table">
+            <thead>
+              <tr>
+                <th class="col-order-number">{{ t('orders.table.orderNumber') }}</th>
+                <th class="col-items">{{ t('orders.table.items') }}</th>
+                <th class="col-value">{{ t('orders.table.totalValue') }}</th>
+                <th class="col-date">{{ t('orders.table.orderDate') }}</th>
+                <th class="col-date">{{ t('orders.table.expectedDelivery') }}</th>
+                <th class="col-lead-time">{{ t('orders.table.leadTime') }}</th>
+              </tr>
+            </thead>
+            <tbody>
+              <tr v-for="order in submittedOrders" :key="order.id">
+                <td class="col-order-number"><strong>{{ order.order_number }}</strong></td>
+                <td class="col-items">
+                  <details class="items-details">
+                    <summary class="items-summary">
+                      {{ t('orders.itemsCount', { count: order.items.length }) }}
+                    </summary>
+                    <div class="items-dropdown">
+                      <div v-for="(item, idx) in order.items" :key="idx" class="item-entry">
+                        <span class="item-name">{{ translateProductName(item.name) }}</span>
+                        <span class="item-meta">{{ t('orders.quantity') }}: {{ item.quantity }} @ {{ currencySymbol }}{{ item.unit_price }}</span>
+                      </div>
+                    </div>
+                  </details>
+                </td>
+                <td class="col-value"><strong>{{ currencySymbol }}{{ order.total_value.toLocaleString() }}</strong></td>
+                <td class="col-date">{{ formatDate(order.order_date) }}</td>
+                <td class="col-date">{{ formatDate(order.expected_delivery) }}</td>
+                <td class="col-lead-time">{{ t('orders.leadTimeDays', { days: getLeadTimeDays(order) }) }}</td>
+              </tr>
+            </tbody>
+          </table>
+        </div>
+      </div>
     </div>
   </div>
 </template>
@@ -129,6 +171,17 @@ export default {
       loadOrders()
     })
 
+    // Orders shown in the main "All Orders" table — submitted restock orders
+    // are broken out into their own section below.
+    const activeOrders = computed(() => {
+      return orders.value.filter(order => order.status !== 'Submitted')
+    })
+
+    // Submitted restock orders, rendered in a dedicated card.
+    const submittedOrders = computed(() => {
+      return orders.value.filter(order => order.status === 'Submitted')
+    })
+
     const getOrdersByStatus = (status) => {
       return orders.value.filter(order => order.status === status)
     }
@@ -138,11 +191,20 @@ export default {
         'Delivered': 'success',
         'Shipped': 'info',
         'Processing': 'warning',
-        'Backordered': 'danger'
+        'Backordered': 'danger',
+        'Submitted': 'submitted'
       }
       return statusMap[status] || 'info'
     }
 
+    // Lead time in whole days between order placement and expected delivery.
+    // 86400000 ms = 1 day; Math.round smooths any DST/partial-day drift.
+    const getLeadTimeDays = (order) => {
+      return Math.round(
+        (new Date(order.expected_delivery) - new Date(order.order_date)) / 86400000
+      )
+    }
+
     const formatDate = (dateString) => {
       const { currentLocale } = useI18n()
       const locale = currentLocale.value === 'ja' ? 'ja-JP' : 'en-US'
@@ -160,8 +222,11 @@ export default {
       loading,
       error,
       orders,
+      activeOrders,
+      submittedOrders,
       getOrdersByStatus,
       getOrderStatusClass,
+      getLeadTimeDays,
       formatDate,
       currencySymbol,
       translateProductName,
@@ -203,6 +268,16 @@ export default {
   width: 120px;
 }
 
+.col-lead-time {
+  width: 120px;
+}
+
+/* Submitted restock orders badge */
+.badge.submitted {
+  background: #e0e7ff;
+  color: #3730a3;
+}
+
 /* Items details styling */
 .items-details {
   position: relative;