feat: 修正庫存與撥補單邏輯並整合文件

1. 修復倉庫統計數據加總與樣式。
2. 修正可用庫存計算邏輯（排除不可銷售倉庫）。
3. 撥補單商品列表加入批號與效期顯示。
4. 修正撥補單儲存邏輯以支援精確批號轉移。
5. 整合 FEATURES.md 至 README.md。

resources/js/Pages/Production/Edit.tsx

@@ -52,18 +52,18 @@ interface InventoryOption {
 }
 
 interface BomItem {
-    // Backend required
+    // 後端必填
     inventory_id: string;
     quantity_used: string;
     unit_id: string;
 
-    // UI State
-    ui_warehouse_id: string; // Source Warehouse
+    // UI 狀態
+    ui_warehouse_id: string; // 來源倉庫
     ui_product_id: string;
     ui_input_quantity: string;
     ui_selected_unit: 'base' | 'large';
 
-    // UI Helpers / Cache
+    // UI 輔助 / 快取
     ui_product_name?: string;
     ui_batch_number?: string;
     ui_available_qty?: number;
@@ -134,13 +134,13 @@ export default function ProductionEdit({ productionOrder, products, warehouses }
 
     const [selectedWarehouse, setSelectedWarehouse] = useState<string>(
         productionOrder.warehouse_id ? String(productionOrder.warehouse_id) : ""
-    ); // Output Warehouse
+    ); // 產出倉庫
 
-    // Cache map: warehouse_id -> inventories
+    // 快取對照表：warehouse_id -> inventories
     const [inventoryMap, setInventoryMap] = useState<Record<string, InventoryOption[]>>({});
     const [loadingWarehouses, setLoadingWareStates] = useState<Record<string, boolean>>({});
 
-    // Helper to fetch warehouse data
+    // 獲取倉庫資料的輔助函式
     const fetchWarehouseInventory = async (warehouseId: string) => {
         if (!warehouseId || inventoryMap[warehouseId] || loadingWarehouses[warehouseId]) return;
 
@@ -168,7 +168,7 @@ export default function ProductionEdit({ productionOrder, products, warehouses }
         ui_input_quantity: String(item.quantity_used), // 假設已存的資料是基本單位
         ui_selected_unit: 'base',
 
-        // UI Helpers
+        // UI 輔助
         ui_product_name: item.inventory?.product?.name,
         ui_batch_number: item.inventory?.batch_number,
         ui_available_qty: item.inventory?.quantity,
@@ -600,7 +600,7 @@ export default function ProductionEdit({ productionOrder, products, warehouses }
                                                 currentOptions.map(inv => [inv.product_id, { label: inv.product_name, value: String(inv.product_id) }])
                                             ).values());
 
-                                            // Fallback for initial state before fetch
+                                            // 在獲取前初始狀態的備案
                                             const displayProductOptions = uniqueProductOptions.length > 0 ? uniqueProductOptions : (item.ui_product_name ? [{ label: item.ui_product_name, value: item.ui_product_id }] : []);
 
                                             const batchOptions = currentOptions
@@ -610,7 +610,7 @@ export default function ProductionEdit({ productionOrder, products, warehouses }
                                                     value: String(inv.id)
                                                 }));
 
-                                            // Fallback
+                                            // 備案
                                             const displayBatchOptions = batchOptions.length > 0 ? batchOptions : (item.inventory_id && item.ui_batch_number ? [{ label: item.ui_batch_number, value: item.inventory_id }] : []);