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。

FEATURES.md

@@ -1,158 +0,0 @@
-# Star ERP 功能選單詳細說明
-
-## 🌳 系統功能架構樹 (含 2.0 升級規劃)
-```text
-Star ERP
-├── 🏠 儀表板 (Dashboard)
-│   ├── 📊 數據看板 (原有)
-│   ├── 🔔 營運警示 (原有)
-│   ├── ✨ 銷售熱力圖 (新)
-│   ├── ✨ 庫存效期預警 (新)
-│   └── ✨ 待出貨監控 (新)
-├── ✨ 🤝 銷售與全通路 (Sales & CRM) 【New】
-│   ├── ✨ 全通路訂單整合
-│   ├── ✨ 客戶管理 (CRM)
-│   └── ✨ 促銷活動
-├── 📦 商品與庫存管理
-│   ├── 📄 商品資料 (原有)
-│   ├── 🏢 倉庫管理 (原有)
-│   ├── 🚚 內調撥 (原有)
-│   ├── ✨ 屬性管理 (過敏原/成分)
-│   ├── ✨ 效期監控 (FEFO)
-│   └── ✨ 智慧補貨建議 (AI)
-├── ✨ 🚚 智慧物流 (Logistics) 【New】
-│   ├── ✨ 路徑規劃
-│   └── ✨ 裝車單管理
-├── 🏭 生產與品質管理
-│   ├── 📝 生產工單 (原有)
-│   ├── 🧪 原料耗用 (原有)
-│   ├── ✨ 配方管理 (Recipe)
-│   ├── ✨ 品質檢驗 (QC)
-│   └── ✨ 雙向溯源 (原料<->成品)
-├── 🛒 採購與廠商
-│   ├── 👥 廠商資料 (原有)
-│   ├── 📝 採購單 (原有)
-│   └── ✨ 供應商評鑑 (新)
-├── 💰 財務管理
-│   ├── 🧾 公共事業費 (原有)
-│   ├── ✨ 應收/應付帳款 (AR/AP)
-│   └── ✨ 成本精算 (料工費)
-├── 📊 報表管理
-│   └── 📑 會計報表 (原有)
-└── ⚙️ 系統管理 (原有)
-    ├── 👤 使用者管理
-    ├── 🛡️ 角色與權限
-    └── 📜 操作紀錄
-```
-
-本文件詳細說明 Star ERP 各模組功能，並特別標註 **✨ 新增/強化** 之功能（針對 ERP 2.0 規劃）。
-
----
-
-## 1. 🏠 儀表板 (Dashboard)
-系統的戰情中心，提供即時營運數據與警示。
-
-### 🔹 原有功能
-- **數據看板**：顯示商品總數、供應商數、活躍倉庫數等基礎營運指標。
-- **營運警示**：顯示低庫存商品與待辦事項（如待審核單據）。
-
-### ✨ 新增/強化功能
-- **銷售熱力圖 (零售用)**：視覺化呈現熱銷時段與區域，輔助行銷決策。
-- **庫存效期預警 (食品/化妝品用)**：針對即期品自動發出警示，協助優先促銷或處理，減少報廢。
-- **待出貨監控**：即時追蹤已接單但尚未指派物流或出貨的訂單，避免訂單延遲。
-
----
-
-## 2. ✨ 🤝 銷售與全通路 (Sales & CRM) 【New】
-針對 B2B 與 B2C 混合模式設計，整合多來源訂單與客戶關係。
-
-### ✨ 核心功能
-- **全通路訂單**：統一整合來自 POS、品牌電商官網、智慧販賣機的訂單，集中處理。
-- **客戶管理 (CRM)**：建立完整的會員資料庫，記錄消費歷史與會員等級。
-- **促銷活動**：內建價格策略引擎，支援滿額折、買一送一、組合價等靈活折扣管理。
-
----
-
-## 3. 📦 商品與庫存管理
-支援食品業與零售業特性的高階庫存系統。
-
-### 🔹 原有功能
-- **商品資料**：管理品名、規格、多單位換算。
-- **倉庫管理**：多站點（實體/虛擬）倉庫設定與庫存監控。
-- **內調撥**：倉庫間的庫存轉移功能。
-
-### ✨ 新增/強化功能
-- **屬性管理**：
-    - **食品業**：標註過敏原資訊。
-    - **化妝品**：標註全成分表與保存條件。
-- **效期監控 (FEFO)**：系統強制執行「先到期先出 (First Expired First Out)」邏輯，優於傳統 FIFO，確保出貨商品新鮮度。
-- **智慧補貨建議**：AI 依據歷史銷量趨勢，自動計算建議補貨量，避免斷貨或過量庫存。
-
----
-
-## 4. ✨ 🚚 智慧物流 (Logistics) 【New/Split】
-針對冷鏈配送與多點補貨的最佳化工具。
-
-### ✨ 核心功能
-- **路徑規劃**：針對多點配送進行路線最佳化演算，節省油資與配送時間。
-- **裝車單管理**：自動產出物流車領貨總表，協助倉管與司機快速核對上車貨品。
-
----
-
-## 5. 🏭 生產與品質管理 (升級)
-食品加工與製造的核心模組，重視配方精準度與食安溯源。
-
-### 🔹 原有功能
-- **生產工單**：排程管理、生產入庫。
-- **原料耗用**：記錄生產過程消耗的原物料扣量。
-
-### ✨ 新增/強化功能
-- **配方管理 (Recipe)**：
-    - 支援百分比配方設定。
-    - 設定各製程階段的預期損耗率。
-    - 完整的配方版本控制 (Version Control)。
-- **品質檢驗 (QC)**：
-    - 涵蓋進料檢驗 (IQC)、製程檢驗 (IPQC)、成品檢驗 (FQC)。
-    - 自動產出 COA (Certificate of Analysis) 品質分析報告。
-- **雙向溯源**：
-    - **正向**：原料批號 -> 用於哪些成品。
-    - **逆向**：成品批號 -> 來自哪些原料 -> 供應商是誰。
-
----
-
-## 6. 🛒 採購與廠商
-掌握供應鏈源頭與進貨管理。
-
-### 🔹 原有功能
-- **廠商資料**：基本聯絡資訊與付款條件設定。
-- **採購單**：完整的詢價、下單、收貨與驗收流程。
-
-### ✨ 新增/強化功能
-- **供應商評鑑**：系統自動分析廠商績效，包含「交期準時率」與「原料合格率」，作為管理依據。
-
----
-
-## 7. 💰 財務管理 (升級)
-從費用記錄升級為經營分析與成本精算中心。
-
-### 🔹 原有功能
-- **公共事業費**：記錄水電氣網等非商品類別之固定支出。
-
-### ✨ 新增/強化功能
-- **應收/應付帳款 (AR/AP)**：
-    - 管理客戶與廠商的帳期 (Credit Terms)。
-    - 自動化對帳單與未結帳款提醒。
-- **成本精算**：
-    - 實作分攤邏輯，將「料（原料）、工（工時）、費（製造費用）」精確分攤至單一商品成本。
-    - 提供即時毛利分析報表 (Gross Margin Analysis)。
-
----
-
-## 8. 📊 報表管理
-- **會計報表**：支出總表、採購分析。
-- **資料匯出**：支援 CSV/Excel 格式匯出。
-
-## 9. ⚙️ 系統管理
-- **使用者管理**：帳號維護。
-- **角色與權限 (RBAC)**：細緻的功能權限控管。
-- **操作紀錄 (Audit Log)**：全系統關鍵行為軌跡留存。

README.md

@@ -11,28 +11,86 @@ Star ERP 是一個基於 **Laravel 12**、**Inertia.js (React)** 與 **Tailwind
 - **UI 框架**: Tailwind CSS
 - **基礎設施**: Docker (Laravel Sail), Nginx Reverse Proxy, MySQL 8.0, Redis
 
-## 📂 系統選單結構 (Sidebar)
+## 📂 系統功能詳細說明
 
-以下為 ERP 系統之側邊導覽結構及其對應之權限：
+### 🌳 系統功能架構樹 (含 2.0 升級規劃)
+```text
+Star ERP
+├── 🏠 儀表板 (Dashboard)
+│   ├── 📊 數據看板 (原有)
+│   ├── 🔔 營運警示 (原有)
+│   ├── ✨ 銷售熱力圖 (新)
+│   ├── ✨ 庫存效期預警 (新)
+│   └── ✨ 待出貨監控 (新)
+├── ✨ 🤝 銷售與全通路 (Sales & CRM) 【New】
+│   ├── ✨ 全通路訂單整合
+│   ├── ✨ 客戶管理 (CRM)
+│   └── ✨ 促銷活動
+├── 📦 商品與庫存管理
+│   ├── 📄 商品資料 (原有)
+│   ├── 🏢 倉庫管理 (原有)
+│   ├── 🚚 內調撥 (原有)
+│   ├── ✨ 屬性管理 (過敏原/成分)
+│   ├── ✨ 效期監控 (FEFO)
+│   └── ✨ 智慧補貨建議 (AI)
+├── ✨ 🚚 智慧物流 (Logistics) 【New】
+│   ├── ✨ 路徑規劃
+│   └── ✨ 裝車單管理
+├── 🏭 生產與品質管理
+│   ├── 📝 生產工單 (原有)
+│   ├── 🧪 原料耗用 (原有)
+│   ├── ✨ 配方管理 (Recipe)
+│   ├── ✨ 品質檢驗 (QC)
+│   └── ✨ 雙向溯源 (原料<->成品)
+├── 🛒 採購與廠商
+│   ├── 👥 廠商資料 (原有)
+│   ├── 📝 採購單 (原有)
+│   └── ✨ 供應商評鑑 (新)
+├── 💰 財務管理
+│   ├── 🧾 公共事業費 (原有)
+│   ├── ✨ 應收/應付帳款 (AR/AP)
+│   └── ✨ 成本精算 (料工費)
+├── 📊 報表管理
+│   └── 📑 會計報表 (原有)
+└── ⚙️ 系統管理 (原有)
+    ├── 👤 使用者管理
+    ├── 🛡️ 角色與權限
+    └── 📜 操作紀錄
+```
 
-- 🏠 **儀表板** (`/`)
+---
-- 📦 **商品與庫存管理**
+
-  - 📄 **商品資料管理** (`/products`) - `products.view`
+#### 1. 🏠 儀表板 (Dashboard)
-  - 🏢 **倉庫管理** (`/warehouses`) - `warehouses.view`
+- **數據看板**：顯示商品總數、供應商數、活躍倉庫數等。
-- 🚚 **廠商管理**
+- **營運警示**：低庫存商品與待辦事項警示。
-  - 👥 **廠商資料管理** (`/vendors`) - `vendors.view`
+- **✨ 強化功能**：銷售熱力圖、庫存效期預警、待出貨監控。
-- 🛒 **採購管理**
+
-  - 📝 **採購單管理** (`/purchase-orders`) - `purchase_orders.view`
+#### 2. ✨ 🤝 銷售與全通路 (Sales & CRM)
-- 🏭 **生產管理**
+- **全通路訂單**：整合 POS、品牌電商、智慧販賣機訂單。
-  - 📦 **生產工單** (`/production-orders`) - `production_orders.view`
+- **客戶管理 (CRM)**：會員資料庫、消費歷史與等級。
-- 💰 **財務管理**
+- **促銷活動**：滿額折、買一送一、組合價等折扣引擎。
-  - 🧾 **公共事業費** (`/utility-fees`) - `utility_fees.view`
+
-- 📊 **報表管理**
+#### 3. 📦 商品與庫存管理
-  - 📑 **會計報表** (`/accounting-report`) - `accounting.view`
+- **商品資料**：品名、規格、多單位換算。
-- ⚙️ **系統管理**
+- **倉庫管理**：多站點庫存監控、銷售設定。
-  - 👤 **使用者管理** (`/admin/users`) - `users.view`
+- **內調撥**：倉庫間庫存轉移。
-  - 🛡️ **角色與權限** (`/admin/roles`) - `roles.view`
+- **✨ 強化功能**：過敏原/成分管理、**FEFO (先到期先出)** 效期監控、AI 智慧補貨建議。
-  - 📜 **操作紀錄** (`/admin/activity-logs`) - `system.view_logs`
+
+#### 4. 🏭 生產與品質管理
+- **生產工單**：排程管理、生產入庫。
+- **✨ 強化功能**：配方管理 (Recipe V.C.)、QC 檢驗流程 (IQC/IPQC/FQC)、**雙向溯源** (原料 <-> 成品)。
+
+#### 5. 🛒 採購與廠商
+- **採購單**：詢價、下單、收貨與驗收流程。
+- **✨ 強化功能**：供應商評鑑系統。
+
+#### 6. 💰 財務管理
+- **公共事業費**：水電氣網等固定支出。
+- **✨ 強化功能**：應收/應付帳款 (AR/AP) 管理、**成本精算** (料工費分攤)。
+
+#### 7. ⚙️ 系統管理
+- **使用者與權限**：RBAC 細緻權限控管。
+- **操作紀錄**：全系統關鍵行為軌跡 (Audit Log)。
 
 ## 🚀 快速開始
 

app/Modules/Core/Contracts/CoreServiceInterface.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Modules\Core\Contracts;
+
+use Illuminate\Support\Collection;
+
+interface CoreServiceInterface
+{
+    /**
+     * Get multiple users by their IDs.
+     * 
+     * @param array $ids
+     * @return Collection
+     */
+    public function getUsersByIds(array $ids): Collection;
+
+    /**
+     * Get a specific user by ID.
+     * 
+     * @param int $id
+     * @return object|null
+     */
+    public function getUser(int $id): ?object;
+
+    /**
+     * Get all users.
+     * 
+     * @return Collection
+     */
+    public function getAllUsers(): Collection;
+}

app/Modules/Core/Controllers/ActivityLogController.php

@@ -96,12 +96,12 @@ class ActivityLogController extends Controller
                 ];
             });
 
-        // Prepare subject types for frontend filter
+        // 準備用於前端篩選的主題類型
         $subjectTypes = collect($this->getSubjectMap())->map(function ($label, $value) {
             return ['label' => $label, 'value' => $value];
         })->values();
 
-        // Get users for causer filter
+        // 取得用於操作者篩選的使用者
         $users = \App\Modules\Core\Models\User::select('id', 'name')->orderBy('name')->get()
             ->map(function ($user) {
                 return ['label' => $user->name, 'value' => (string) $user->id];

app/Modules/Core/Controllers/RoleController.php

@@ -13,7 +13,7 @@ use Illuminate\Validation\Rule;
 class RoleController extends Controller
 {
     /**
-     * Display a listing of the resource.
+     * 顯示資源列表。
      */
     public function index(Request $request)
     {
@@ -23,7 +23,7 @@ class RoleController extends Controller
         $query = Role::withCount('users', 'permissions')
             ->with('users:id,name,username');
 
-        // Handle sorting
+        // 處理排序
         if (in_array($sortBy, ['users_count', 'permissions_count', 'created_at', 'id'])) {
            $query->orderBy($sortBy, $sortOrder);
         } else {
@@ -39,7 +39,7 @@ class RoleController extends Controller
     }
 
     /**
-     * Show the form for creating a new resource.
+     * 顯示建立新資源的表單。
      */
     public function create()
     {
@@ -51,7 +51,7 @@ class RoleController extends Controller
     }
 
     /**
-     * Store a newly created resource in storage.
+     * 將新建立的資源儲存到儲存體中。
      */
     public function store(Request $request)
     {
@@ -75,7 +75,7 @@ class RoleController extends Controller
     }
 
     /**
-     * Show the form for editing the specified resource.
+     * 顯示編輯指定資源的表單。
      */
     public function edit(string $id)
     {
@@ -97,7 +97,7 @@ class RoleController extends Controller
     }
 
     /**
-     * Update the specified resource in storage.
+     * 更新儲存體中的指定資源。
      */
     public function update(Request $request, string $id)
     {
@@ -127,7 +127,7 @@ class RoleController extends Controller
     }
 
     /**
-     * Remove the specified resource from storage.
+     * 從儲存體中移除指定資源。
      */
     public function destroy(string $id)
     {

app/Modules/Core/Controllers/UserController.php

@@ -14,7 +14,7 @@ use Illuminate\Support\Facades\Hash;
 class UserController extends Controller
 {
     /**
-     * Display a listing of the resource.
+     * 顯示資源列表。
      */
     public function index(Request $request)
     {
@@ -26,7 +26,7 @@ class UserController extends Controller
 
         $query = User::with(['roles:id,name,display_name']);
 
-        // Handle Search
+        // 處理搜尋
         if ($search) {
             $query->where(function ($q) use ($search) {
                 $q->where('name', 'like', "%{$search}%")
@@ -35,14 +35,14 @@ class UserController extends Controller
             });
         }
 
-        // Handle Role Filter
+        // 處理角色篩選
         if ($roleId && $roleId !== 'all') {
             $query->whereHas('roles', function ($q) use ($roleId) {
                 $q->where('id', $roleId);
             });
         }
 
-         // Handle sorting
+         // 處理排序
         if (in_array($sortBy, ['name', 'created_at'])) {
            $query->orderBy($sortBy, $sortOrder);
         } else {
@@ -60,7 +60,7 @@ class UserController extends Controller
     }
 
     /**
-     * Show the form for creating a new resource.
+     * 顯示建立新資源的表單。
      */
     public function create()
     {
@@ -72,7 +72,7 @@ class UserController extends Controller
     }
 
     /**
-     * Store a newly created resource in storage.
+     * 將新建立的資源儲存到儲存體中。
      */
     public function store(Request $request)
     {
@@ -98,7 +98,7 @@ class UserController extends Controller
         if (!empty($validated['roles'])) {
             $user->syncRoles($validated['roles']);
 
-            // Update the 'created' log to include roles
+            // 更新 'created' 紀錄以包含角色資訊
             $activity = \Spatie\Activitylog\Models\Activity::where('subject_type', get_class($user))
                 ->where('subject_id', $user->id)
                 ->where('event', 'created')
@@ -118,7 +118,7 @@ class UserController extends Controller
     }
 
     /**
-     * Show the form for editing the specified resource.
+     * 顯示編輯指定資源的表單。
      */
     public function edit(string $id)
     {
@@ -133,7 +133,7 @@ class UserController extends Controller
     }
 
     /**
-     * Update the specified resource in storage.
+     * 更新儲存體中的指定資源。
      */
     public function update(Request $request, string $id)
     {
@@ -150,7 +150,7 @@ class UserController extends Controller
             'password.confirmed' => '密碼確認不符',
         ]);
 
-        // 1. Prepare data and detect changes
+        // 1. 準備資料並偵測變更
         $userData = [
             'name' => $validated['name'],
             'email' => $validated['email'],
@@ -163,7 +163,7 @@ class UserController extends Controller
 
         $user->fill($userData);
 
-        // Capture dirty attributes for manual logging
+        // 捕捉變更屬性以進行手動記錄
         $dirty = $user->getDirty();
         $oldAttributes = [];
         $newAttributes = [];
@@ -173,10 +173,10 @@ class UserController extends Controller
             $newAttributes[$key] = $value;
         }
 
-        // Save without triggering events (prevents duplicate log)
+        // 儲存但不觸發事件（防止重複記錄）
         $user->saveQuietly();
 
-        // 2. Handle Roles
+        // 2. 處理角色
         $roleChanges = null;
         if (isset($validated['roles'])) {
             $oldRoles = $user->roles()->pluck('display_name')->join(', ');
@@ -191,7 +191,7 @@ class UserController extends Controller
             }
         }
 
-        // 3. Manually Log activity (Single Consolidated Log)
+        // 3. 手動記錄活動（單一整合記錄）
         if (!empty($newAttributes) || $roleChanges) {
             $properties = [
                 'attributes' => $newAttributes,
@@ -209,7 +209,7 @@ class UserController extends Controller
                 ->event('updated')
                 ->withProperties($properties)
                 ->tap(function (\Spatie\Activitylog\Contracts\Activity $activity) use ($user) {
-                    // Manually add snapshot since we aren't using the model's LogOptions due to saveQuietly
+                    // 手動加入快照，因為使用 saveQuietly 所以不使用模型的 LogOptions
                     $activity->properties = $activity->properties->merge([
                         'snapshot' => [
                             'name' => $user->name,
@@ -224,7 +224,7 @@ class UserController extends Controller
     }
 
     /**
-     * Remove the specified resource from storage.
+     * 從儲存體中移除指定資源。
      */
     public function destroy(string $id)
     {

app/Modules/Core/CoreServiceProvider.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Modules\Core;
+
+use Illuminate\Support\ServiceProvider;
+use App\Modules\Core\Contracts\CoreServiceInterface;
+use App\Modules\Core\Services\CoreService;
+
+class CoreServiceProvider extends ServiceProvider
+{
+    public function register(): void
+    {
+        $this->app->bind(CoreServiceInterface::class, CoreService::class);
+    }
+
+    public function boot(): void
+    {
+        //
+    }
+}

app/Modules/Core/Models/User.php

@@ -16,10 +16,20 @@ class User extends Authenticatable
     use HasFactory, Notifiable, HasRoles, LogsActivity;
 
     /**
-     * The attributes that are mass assignable.
+     * 可批量賦值的屬性。
      *
      * @var list<string>
      */
+    /**
+     * 建立模型的新工廠實例。
+     *
+     * @return \Illuminate\Database\Eloquent\Factories\Factory
+     */
+    protected static function newFactory()
+    {
+        return \Database\Factories\UserFactory::new();
+    }
+
     protected $fillable = [
         'name',
         'email',
@@ -28,7 +38,7 @@ class User extends Authenticatable
     ];
 
     /**
-     * The attributes that should be hidden for serialization.
+     * 序列化時應隱藏的屬性。
      *
      * @var list<string>
      */
@@ -38,7 +48,7 @@ class User extends Authenticatable
     ];
 
     /**
-     * Get the attributes that should be cast.
+     * 取得應進行轉換的屬性。
      *
      * @return array<string, string>
      */

app/Modules/Core/Services/CoreService.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Modules\Core\Services;
+
+use App\Modules\Core\Contracts\CoreServiceInterface;
+use App\Modules\Core\Models\User;
+use Illuminate\Support\Collection;
+
+class CoreService implements CoreServiceInterface
+{
+    /**
+     * Get multiple users by their IDs.
+     * 
+     * @param array $ids
+     * @return Collection
+     */
+    public function getUsersByIds(array $ids): Collection
+    {
+        return User::whereIn('id', $ids)->get();
+    }
+
+    /**
+     * Get a specific user by ID.
+     * 
+     * @param int $id
+     * @return object|null
+     */
+    public function getUser(int $id): ?object
+    {
+        return User::find($id);
+    }
+
+    /**
+     * Get all users.
+     * 
+     * @return Collection
+     */
+    public function getAllUsers(): Collection
+    {
+        return User::all();
+    }
+}

app/Modules/Finance/Contracts/FinanceServiceInterface.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Modules\Finance\Contracts;
+
+use Illuminate\Support\Collection;
+
+interface FinanceServiceInterface
+{
+    /**
+     * Get accounting report data.
+     * 
+     * @param string $start
+     * @param string $end
+     * @return array
+     */
+    public function getAccountingReportData(string $start, string $end): array;
+
+    /**
+     * Get all utility fees with filters.
+     * 
+     * @param array $filters
+     * @return mixed
+     */
+    public function getUtilityFees(array $filters);
+
+    /**
+     * Get unique categories of utility fees.
+     * 
+     * @return Collection
+     */
+    public function getUniqueCategories(): Collection;
+}

app/Modules/Finance/Controllers/AccountingReportController.php

@@ -3,9 +3,7 @@
 namespace App\Modules\Finance\Controllers;
 
 use App\Http\Controllers\Controller;
-
+use App\Modules\Finance\Contracts\FinanceServiceInterface;
-use App\Modules\Finance\Models\UtilityFee;
-use App\Modules\Procurement\Models\PurchaseOrder;
 use Illuminate\Http\Request;
 use Inertia\Inertia;
 use Illuminate\Support\Carbon;
@@ -13,49 +11,20 @@ use Illuminate\Pagination\LengthAwarePaginator;
 
 class AccountingReportController extends Controller
 {
+    protected $financeService;
+
+    public function __construct(FinanceServiceInterface $financeService)
+    {
+        $this->financeService = $financeService;
+    }
+
     public function index(Request $request)
     {
         $dateStart = $request->input('date_start', Carbon::now()->toDateString());
         $dateEnd = $request->input('date_end', Carbon::now()->toDateString());
 
-        // 1. Get Purchase Orders (Completed or Received that are ready for accounting)
+        $reportData = $this->financeService->getAccountingReportData($dateStart, $dateEnd);
-        $purchaseOrders = PurchaseOrder::with(['vendor'])
+        $allRecords = $reportData['records'];
-            ->whereIn('status', ['received', 'completed'])
-            ->whereBetween('created_at', [$dateStart . ' 00:00:00', $dateEnd . ' 23:59:59'])
-            ->get()
-            ->map(function ($po) {
-                return [
-                    'id' => 'PO-' . $po->id,
-                    'date' => Carbon::parse($po->created_at)->timezone(config('app.timezone'))->toDateString(),
-                    'source' => '採購單',
-                    'category' => '進貨支出',
-                    'item' => $po->vendor->name ?? '未知廠商',
-                    'reference' => $po->code,
-                    'invoice_number' => $po->invoice_number,
-                    'amount' => $po->grand_total,
-                ];
-            });
-
-        // 2. Get Utility Fees
-        $utilityFees = UtilityFee::whereBetween('transaction_date', [$dateStart, $dateEnd])
-            ->get()
-            ->map(function ($fee) {
-                return [
-                    'id' => 'UF-' . $fee->id,
-                    'date' => $fee->transaction_date->format('Y-m-d'),
-                    'source' => '公共事業費',
-                    'category' => $fee->category,
-                    'item' => $fee->description ?: $fee->category,
-                    'reference' => '-',
-                    'invoice_number' => $fee->invoice_number,
-                    'amount' => $fee->amount,
-                ];
-            });
-
-        // Combine and Sort
-        $allRecords = $purchaseOrders->concat($utilityFees)
-            ->sortByDesc('date')
-            ->values();
 
         // 3. Manual Pagination
         $perPage = $request->input('per_page', 10);
@@ -70,16 +39,9 @@ class AccountingReportController extends Controller
             ['path' => $request->url(), 'query' => $request->query()]
         );
 
-        $summary = [
-            'total_amount' => $allRecords->sum('amount'),
-            'purchase_total' => $purchaseOrders->sum('amount'),
-            'utility_total' => $utilityFees->sum('amount'),
-            'record_count' => $allRecords->count(),
-        ];
-
         return Inertia::render('Accounting/Report', [
             'records' => $paginatedRecords,
-            'summary' => $summary,
+            'summary' => $reportData['summary'],
             'filters' => [
                 'date_start' => $dateStart,
                 'date_end' => $dateEnd,
@@ -94,60 +56,25 @@ class AccountingReportController extends Controller
         $dateEnd = $request->input('date_end', Carbon::now()->toDateString());
         $selectedIdsParam = $request->input('selected_ids');
 
-        $purchaseOrdersQuery = PurchaseOrder::with(['vendor'])
+        $reportData = $this->financeService->getAccountingReportData($dateStart, $dateEnd);
-            ->whereIn('status', ['received', 'completed']);
+        $allRecords = $reportData['records'];
-        
-        $utilityFeesQuery = UtilityFee::query();
 
         if ($selectedIdsParam) {
             $ids = explode(',', $selectedIdsParam);
-            $poIds = [];
+            $allRecords = $allRecords->whereIn('id', $ids);
-            $ufIds = [];
-            foreach ($ids as $id) {
-                if (str_starts_with($id, 'PO-')) {
-                    $poIds[] = substr($id, 3);
-                } elseif (str_starts_with($id, 'UF-')) {
-                    $ufIds[] = substr($id, 3);
-                }
-            }
-            $purchaseOrders = $purchaseOrdersQuery->whereIn('id', $poIds)->get();
-            $utilityFees = $utilityFeesQuery->whereIn('id', $ufIds)->get();
-        } else {
-            $purchaseOrders = $purchaseOrdersQuery
-                ->whereBetween('created_at', [$dateStart . ' 00:00:00', $dateEnd . ' 23:59:59'])
-                ->get();
-            $utilityFees = $utilityFeesQuery
-                ->whereBetween('transaction_date', [$dateStart, $dateEnd])
-                ->get();
         }
 
-        $allRecords = collect();
+        $exportData = $allRecords->map(function ($record) {
-
+            return [
-        foreach ($purchaseOrders as $po) {
+                $record['date'],
-            $allRecords->push([
+                $record['source'],
-                Carbon::parse($po->created_at)->toDateString(),
+                $record['category'],
-                '採購單',
+                $record['item'],
-                '進貨支出',
+                $record['reference'],
-                $po->vendor->name ?? '',
+                $record['invoice_number'],
-                $po->code,
+                $record['amount'],
-                $po->invoice_number,
+            ];
-                (float)$po->grand_total,
+        });
-            ]);
-        }
-
-        foreach ($utilityFees as $fee) {
-            $allRecords->push([
-                Carbon::parse($fee->transaction_date)->toDateString(),
-                '公共事業費',
-                $fee->category,
-                $fee->description,
-                '-',
-                $fee->invoice_number,
-                (float)$fee->amount,
-            ]);
-        }
-
-        $allRecords = $allRecords->sortByDesc(0);
 
         $filename = "accounting_report_{$dateStart}_{$dateEnd}.csv";
         $headers = [
@@ -155,14 +82,14 @@ class AccountingReportController extends Controller
             'Content-Disposition' => "attachment; filename=\"{$filename}\"",
         ];
 
-        $callback = function () use ($allRecords) {
+        $callback = function () use ($exportData) {
             $file = fopen('php://output', 'w');
             // BOM for Excel compatibility with UTF-8
             fprintf($file, chr(0xEF).chr(0xBB).chr(0xBF));
             
             fputcsv($file, ['日期', '來源', '類別', '項目', '參考單號', '發票號碼', '金額']);
 
-            foreach ($allRecords as $row) {
+            foreach ($exportData as $row) {
                 fputcsv($file, $row);
             }
             fclose($file);

app/Modules/Finance/Controllers/UtilityFeeController.php

@@ -4,57 +4,30 @@ namespace App\Modules\Finance\Controllers;
 
 use App\Http\Controllers\Controller;
 use App\Modules\Finance\Models\UtilityFee;
-
+use App\Modules\Finance\Contracts\FinanceServiceInterface;
 use Illuminate\Http\Request;
 use Inertia\Inertia;
 
 class UtilityFeeController extends Controller
 {
+    protected $financeService;
+
+    public function __construct(FinanceServiceInterface $financeService)
+    {
+        $this->financeService = $financeService;
+    }
+
     public function index(Request $request)
     {
-        $query = UtilityFee::query();
+        $filters = $request->only(['search', 'category', 'date_start', 'date_end', 'sort_field', 'sort_direction', 'per_page']);
         
-        // Search
+        $fees = $this->financeService->getUtilityFees($filters)->withQueryString();
-        if ($request->has('search')) {
+        $availableCategories = $this->financeService->getUniqueCategories();
-            $search = $request->input('search');
-            $query->where(function($q) use ($search) {
-                $q->where('category', 'like', "%{$search}%")
-                  ->orWhere('invoice_number', 'like', "%{$search}%")
-                  ->orWhere('description', 'like', "%{$search}%");
-            });
-        }
-
-        // Filtering
-        if ($request->filled('category') && $request->input('category') !== 'all') {
-            $query->where('category', $request->input('category'));
-        }
-
-        if ($request->filled('date_start')) {
-            $query->where('transaction_date', '>=', $request->input('date_start'));
-        }
-
-        if ($request->filled('date_end')) {
-            $query->where('transaction_date', '<=', $request->input('date_end'));
-        }
-
-        // Sorting
-        $sortField = $request->input('sort_field');
-        $sortDirection = $request->input('sort_direction');
-
-        if ($sortField && $sortDirection) {
-            $query->orderBy($sortField, $sortDirection);
-        } else {
-             $query->orderBy('created_at', 'desc');
-        }
-
-        $fees = $query->paginate($request->input('per_page', 10))->withQueryString();
-
-        $availableCategories = UtilityFee::distinct()->pluck('category');
 
         return Inertia::render('UtilityFee/Index', [
             'fees' => $fees,
             'availableCategories' => $availableCategories,
-            'filters' => $request->only(['search', 'category', 'date_start', 'date_end', 'sort_field', 'sort_direction', 'per_page']),
+            'filters' => $filters,
         ]);
     }
 
@@ -70,19 +43,10 @@ class UtilityFeeController extends Controller
 
         $fee = UtilityFee::create($validated);
 
-        // Log activity
         activity()
             ->performedOn($fee)
             ->causedBy(auth()->user())
             ->event('created')
-            ->withProperties([
-                'attributes' => $fee->getAttributes(),
-                'snapshot' => [
-                    'category' => $fee->category,
-                    'amount' => $fee->amount,
-                    'transaction_date' => $fee->transaction_date->format('Y-m-d'),
-                ]
-            ])
             ->log('created');
 
         return redirect()->back();
@@ -98,52 +62,12 @@ class UtilityFeeController extends Controller
             'description' => 'nullable|string',
         ]);
 
-        // Capture old attributes before update
-        $oldAttributes = $utility_fee->getAttributes();
-
         $utility_fee->update($validated);
 
-        // Capture new attributes
-        $newAttributes = $utility_fee->getAttributes();
-
-        // Manual logOnlyDirty: Filter attributes to only include changes
-        $changedAttributes = [];
-        $changedOldAttributes = [];
-
-        foreach ($newAttributes as $key => $value) {
-            // Skip timestamps if they are the only change (optional, but good practice)
-            if (in_array($key, ['updated_at'])) continue;
-
-            $oldValue = $oldAttributes[$key] ?? null;
-            
-            // Simple comparison (casting to string to handle date objects vs strings if necessary, 
-            // but Eloquent attributes are usually consistent if casted. 
-            // Using loose comparison != handles most cases correctly)
-            if ($value != $oldValue) {
-                $changedAttributes[$key] = $value;
-                $changedOldAttributes[$key] = $oldValue;
-            }
-        }
-
-        // Only log if there are changes (excluding just updated_at)
-        if (empty($changedAttributes)) {
-            return redirect()->back();
-        }
-
-        // Log activity with before/after comparison
         activity()
             ->performedOn($utility_fee)
             ->causedBy(auth()->user())
             ->event('updated')
-            ->withProperties([
-                'attributes' => $changedAttributes,
-                'old' => $changedOldAttributes,
-                'snapshot' => [
-                    'category' => $utility_fee->category,
-                    'amount' => $utility_fee->amount,
-                    'transaction_date' => $utility_fee->transaction_date->format('Y-m-d'),
-                ]
-            ])
             ->log('updated');
 
         return redirect()->back();
@@ -151,24 +75,10 @@ class UtilityFeeController extends Controller
 
     public function destroy(UtilityFee $utility_fee)
     {
-        // Capture data snapshot before deletion
-        $snapshot = [
-            'category' => $utility_fee->category,
-            'amount' => $utility_fee->amount,
-            'transaction_date' => $utility_fee->transaction_date->format('Y-m-d'),
-            'invoice_number' => $utility_fee->invoice_number,
-            'description' => $utility_fee->description,
-        ];
-
-        // Log activity before deletion
         activity()
             ->performedOn($utility_fee)
             ->causedBy(auth()->user())
             ->event('deleted')
-            ->withProperties([
-                'attributes' => $utility_fee->getAttributes(),
-                'snapshot' => $snapshot
-            ])
             ->log('deleted');
 
         $utility_fee->delete();

app/Modules/Finance/FinanceServiceProvider.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Modules\Finance;
+
+use Illuminate\Support\ServiceProvider;
+use App\Modules\Finance\Contracts\FinanceServiceInterface;
+use App\Modules\Finance\Services\FinanceService;
+
+class FinanceServiceProvider extends ServiceProvider
+{
+    public function register(): void
+    {
+        $this->app->bind(FinanceServiceInterface::class, FinanceService::class);
+    }
+
+    public function boot(): void
+    {
+        //
+    }
+}

app/Modules/Finance/Models/UtilityFee.php

@@ -11,26 +11,25 @@ class UtilityFee extends Model
     use HasFactory;
 
     protected $fillable = [
-        'type', // 'electricity', 'water', 'gas', etc.
+        'transaction_date',
-        'billing_period_start',
+        'category',
-        'billing_period_end',
-        'due_date',
         'amount',
-        'usage_amount', // kWh, m3, etc.
+        'invoice_number',
-        'unit', // 度, 立方米
+        'description',
-        'status', // 'pending', 'paid', 'overdue'
-        'paid_at',
-        'payment_method',
-        'notes',
-        'receipt_image_path',
     ];
 
     protected $casts = [
-        'billing_period_start' => 'date',
+        'transaction_date' => 'date',
-        'billing_period_end' => 'date',
-        'due_date' => 'date',
-        'paid_at' => 'datetime',
         'amount' => 'decimal:2',
-        'usage_amount' => 'decimal:2',
     ];
+
+    public function tapActivity(\Spatie\Activitylog\Contracts\Activity $activity, string $eventName)
+    {
+        $activity->properties = $activity->properties->put('snapshot', [
+            'transaction_date' => $this->transaction_date->format('Y-m-d'),
+            'category' => $this->category,
+            'amount' => $this->amount,
+            'invoice_number' => $this->invoice_number,
+        ]);
+    }
 }

app/Modules/Finance/Services/FinanceService.php

@@ -0,0 +1,104 @@
+<?php
+
+namespace App\Modules\Finance\Services;
+
+use App\Modules\Finance\Contracts\FinanceServiceInterface;
+use App\Modules\Finance\Models\UtilityFee;
+use App\Modules\Procurement\Contracts\ProcurementServiceInterface;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Carbon;
+
+class FinanceService implements FinanceServiceInterface
+{
+    protected $procurementService;
+
+    public function __construct(ProcurementServiceInterface $procurementService)
+    {
+        $this->procurementService = $procurementService;
+    }
+
+    public function getAccountingReportData(string $start, string $end): array
+    {
+        // 1. 獲取採購單資料
+        $purchaseOrders = $this->procurementService->getPurchaseOrdersByDate($start, $end)
+            ->map(function ($po) {
+                return [
+                    'id' => 'PO-' . $po->id,
+                    'date' => Carbon::parse($po->created_at)->timezone(config('app.timezone'))->toDateString(),
+                    'source' => '採購單',
+                    'category' => '進貨支出',
+                    'item' => $po->vendor->name ?? '未知廠商',
+                    'reference' => $po->code,
+                    'invoice_number' => $po->invoice_number,
+                    'amount' => (float)$po->grand_total,
+                ];
+            });
+
+        // 2. 獲取公共事業費 (注意：目前資料表欄位為 transaction_date)
+        $utilityFees = UtilityFee::whereBetween('transaction_date', [$start, $end])
+            ->get()
+            ->map(function ($fee) {
+                return [
+                    'id' => 'UF-' . $fee->id,
+                    'date' => $fee->transaction_date->format('Y-m-d'),
+                    'source' => '公共事業費',
+                    'category' => $fee->category,
+                    'item' => $fee->description ?: $fee->category,
+                    'reference' => '-',
+                    'invoice_number' => $fee->invoice_number,
+                    'amount' => (float)$fee->amount,
+                ];
+            });
+
+        $allRecords = $purchaseOrders->concat($utilityFees)
+            ->sortByDesc('date')
+            ->values();
+
+        return [
+            'records' => $allRecords,
+            'summary' => [
+                'total_amount' => $allRecords->sum('amount'),
+                'purchase_total' => $purchaseOrders->sum('amount'),
+                'utility_total' => $utilityFees->sum('amount'),
+                'record_count' => $allRecords->count(),
+            ]
+        ];
+    }
+
+    public function getUtilityFees(array $filters)
+    {
+        $query = UtilityFee::query();
+
+        if (!empty($filters['search'])) {
+            $search = $filters['search'];
+            $query->where(function($q) use ($search) {
+                $q->where('category', 'like', "%{$search}%")
+                  ->orWhere('invoice_number', 'like', "%{$search}%")
+                  ->orWhere('description', 'like', "%{$search}%");
+            });
+        }
+
+        if (!empty($filters['category']) && $filters['category'] !== 'all') {
+            $query->where('category', $filters['category']);
+        }
+
+        if (!empty($filters['date_start'])) {
+            $query->where('transaction_date', '>=', $filters['date_start']);
+        }
+
+        if (!empty($filters['date_end'])) {
+            $query->where('transaction_date', '<=', $filters['date_end']);
+        }
+
+        $sortField = $filters['sort_field'] ?? 'created_at';
+        $sortDirection = $filters['sort_direction'] ?? 'desc';
+        $query->orderBy($sortField, $sortDirection);
+
+        return $query->paginate($filters['per_page'] ?? 10);
+    }
+
+    public function getUniqueCategories(): Collection
+    {
+        return UtilityFee::distinct()->pluck('category');
+    }
+}

app/Modules/Inventory/Contracts/InventoryServiceInterface.php

@@ -0,0 +1,100 @@
+<?php
+
+namespace App\Modules\Inventory\Contracts;
+
+interface InventoryServiceInterface
+{
+    /**
+     * Check if a product has sufficient stock in a specific warehouse.
+     *
+     * @param int $productId
+     * @param int $warehouseId
+     * @param float $quantity
+     * @return bool
+     */
+    public function checkStock(int $productId, int $warehouseId, float $quantity): bool;
+
+    /**
+     * Decrease stock for a product (e.g., when an order is placed).
+     * 
+     * @param int $productId
+     * @param int $warehouseId
+     * @param float $quantity
+     * @param string|null $reason
+     * @return void
+     */
+    public function decreaseStock(int $productId, int $warehouseId, float $quantity, ?string $reason = null): void;
+
+    /**
+     * Get all active warehouses.
+     * 
+     * @return \Illuminate\Support\Collection
+     */
+    public function getAllWarehouses();
+
+    /**
+     * Get multiple products by their IDs.
+     * 
+     * @param array $ids
+     * @return \Illuminate\Support\Collection
+     */
+    public function getProductsByIds(array $ids);
+
+    /**
+     * Get a specific product by ID.
+     * 
+     * @param int $id
+     * @return object|null
+     */
+    public function getProduct(int $id);
+
+    /**
+     * Get a specific warehouse by ID.
+     * 
+     * @param int $id
+     * @return object|null
+     */
+    public function getWarehouse(int $id);
+
+    /**
+     * Get all available inventories in a specific warehouse.
+     * 
+     * @param int $warehouseId
+     * @return \Illuminate\Support\Collection
+     */
+    public function getInventoriesByWarehouse(int $warehouseId);
+
+    /**
+     * Get all products.
+     * 
+     * @return \Illuminate\Support\Collection
+     */
+    public function getAllProducts();
+
+    /**
+     * Get all units.
+     * 
+     * @return \Illuminate\Support\Collection
+     */
+    public function getUnits();
+
+    /**
+     * Create a new inventory record (e.g., for finished goods).
+     * 
+     * @param array $data
+     * @return object
+     */
+    public function createInventoryRecord(array $data);
+
+    /**
+     * Decrease quantity of a specific inventory record.
+     * 
+     * @param int $inventoryId
+     * @param float $quantity
+     * @param string|null $reason
+     * @param string|null $referenceType
+     * @param int|string|null $referenceId
+     * @return void
+     */
+    public function decreaseInventoryQuantity(int $inventoryId, float $quantity, ?string $reason = null, ?string $referenceType = null, $referenceId = null);
+}

app/Modules/Inventory/Controllers/InventoryController.php

@@ -5,11 +5,16 @@ namespace App\Modules\Inventory\Controllers;
 use App\Http\Controllers\Controller;
 
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
+use Inertia\Inertia;
+use App\Modules\Inventory\Models\Warehouse;
+use App\Modules\Inventory\Models\Product;
+use App\Modules\Inventory\Models\Inventory;
 use App\Modules\Inventory\Models\WarehouseProductSafetyStock;
 
 class InventoryController extends Controller
 {
-    public function index(\Illuminate\Http\Request $request, \App\Modules\Inventory\Models\Warehouse $warehouse)
+    public function index(Request $request, Warehouse $warehouse)
     {
         $warehouse->load([
             'inventories.product.category',
@@ -17,7 +22,7 @@ class InventoryController extends Controller
             'inventories.lastIncomingTransaction',
             'inventories.lastOutgoingTransaction'
         ]);
-        $allProducts = \App\Modules\Inventory\Models\Product::with('category')->get();
+        $allProducts = Product::with('category')->get();
 
         // 1. 準備 availableProducts
         $availableProducts = $allProducts->map(function ($product) {
@@ -98,7 +103,7 @@ class InventoryController extends Controller
                 ];
             });
 
-        return \Inertia\Inertia::render('Warehouse/Inventory', [
+        return Inertia::render('Warehouse/Inventory', [
             'warehouse' => $warehouse,
             'inventories' => $inventories,
             'safetyStockSettings' => $safetyStockSettings,
@@ -106,10 +111,10 @@ class InventoryController extends Controller
         ]);
     }
 
-    public function create(\App\Modules\Inventory\Models\Warehouse $warehouse)
+    public function create(Warehouse $warehouse)
     {
         // 取得所有商品供前端選單使用
-        $products = \App\Modules\Inventory\Models\Product::with(['baseUnit', 'largeUnit'])
+        $products = Product::with(['baseUnit', 'largeUnit'])
             ->select('id', 'name', 'code', 'base_unit_id', 'large_unit_id', 'conversion_rate')
             ->get()
             ->map(function ($product) {
@@ -123,13 +128,13 @@ class InventoryController extends Controller
             ];
         });
 
-        return \Inertia\Inertia::render('Warehouse/AddInventory', [
+        return Inertia::render('Warehouse/AddInventory', [
             'warehouse' => $warehouse,
             'products' => $products,
         ]);
     }
 
-    public function store(\Illuminate\Http\Request $request, \App\Modules\Inventory\Models\Warehouse $warehouse)
+    public function store(Request $request, Warehouse $warehouse)
     {
         $validated = $request->validate([
             'inboundDate' => 'required|date',
@@ -144,22 +149,22 @@ class InventoryController extends Controller
             'items.*.expiryDate' => 'nullable|date',
         ]);
 
-        return \Illuminate\Support\Facades\DB::transaction(function () use ($validated, $warehouse) {
+        return DB::transaction(function () use ($validated, $warehouse) {
             foreach ($validated['items'] as $item) {
                 $inventory = null;
 
                 if ($item['batchMode'] === 'existing') {
                     // 模式 A：選擇現有批號 (包含已刪除的也要能找回來累加)
-                    $inventory = \App\Modules\Inventory\Models\Inventory::withTrashed()->findOrFail($item['inventoryId']);
+                    $inventory = Inventory::withTrashed()->findOrFail($item['inventoryId']);
                     if ($inventory->trashed()) {
                         $inventory->restore();
                     }
                 } else {
                     // 模式 B：建立新批號
                     $originCountry = $item['originCountry'] ?? 'TW';
-                    $product = \App\Modules\Inventory\Models\Product::find($item['productId']);
+                    $product = Product::find($item['productId']);
                     
-                    $batchNumber = \App\Modules\Inventory\Models\Inventory::generateBatchNumber(
+                    $batchNumber = Inventory::generateBatchNumber(
                         $product->code ?? 'UNK',
                         $originCountry,
                         $validated['inboundDate']
@@ -210,12 +215,12 @@ class InventoryController extends Controller
     /**
      * API: 取得商品在特定倉庫的所有批號，並回傳當前日期/產地下的一個流水號
      */
-    public function getBatches(\App\Modules\Inventory\Models\Warehouse $warehouse, $productId, \Illuminate\Http\Request $request)
+    public function getBatches(Warehouse $warehouse, $productId, Request $request)
     {
         $originCountry = $request->query('originCountry', 'TW');
         $arrivalDate = $request->query('arrivalDate', now()->format('Y-m-d'));
 
-        $batches = \App\Modules\Inventory\Models\Inventory::where('warehouse_id', $warehouse->id)
+        $batches = Inventory::where('warehouse_id', $warehouse->id)
             ->where('product_id', $productId)
             ->get()
             ->map(function ($inventory) {
@@ -229,10 +234,10 @@ class InventoryController extends Controller
             });
 
         // 計算下一個流水號
-        $product = \App\Modules\Inventory\Models\Product::find($productId);
+        $product = Product::find($productId);
         $nextSequence = '01';
         if ($product) {
-            $batchNumber = \App\Modules\Inventory\Models\Inventory::generateBatchNumber(
+            $batchNumber = Inventory::generateBatchNumber(
                 $product->code ?? 'UNK',
                 $originCountry,
                 $arrivalDate
@@ -246,7 +251,7 @@ class InventoryController extends Controller
         ]);
     }
 
-    public function edit(\Illuminate\Http\Request $request, \App\Modules\Inventory\Models\Warehouse $warehouse, $inventoryId)
+    public function edit(Request $request, Warehouse $warehouse, $inventoryId)
     {
         // 取得庫存紀錄，包含商品資訊與異動紀錄 (含經手人)
         // 這裡如果是 Mock 的 ID (mock-inv-1)，需要特殊處理
@@ -254,7 +259,7 @@ class InventoryController extends Controller
              return redirect()->back()->with('error', '無法編輯範例資料');
         }
 
-        $inventory = \App\Modules\Inventory\Models\Inventory::with(['product', 'transactions' => function($query) {
+        $inventory = Inventory::with(['product', 'transactions' => function($query) {
             $query->orderBy('actual_time', 'desc')->orderBy('id', 'desc');
         }, 'transactions.user'])->findOrFail($inventoryId);
 
@@ -284,20 +289,20 @@ class InventoryController extends Controller
             ];
         });
 
-        return \Inertia\Inertia::render('Warehouse/EditInventory', [
+        return Inertia::render('Warehouse/EditInventory', [
             'warehouse' => $warehouse,
             'inventory' => $inventoryData,
             'transactions' => $transactions,
         ]);
     }
 
-    public function update(\Illuminate\Http\Request $request, \App\Modules\Inventory\Models\Warehouse $warehouse, $inventoryId)
+    public function update(Request $request, Warehouse $warehouse, $inventoryId)
     {
         // 若是 product ID (舊邏輯)，先轉為 inventory
         // 但新路由我們傳的是 inventory ID
         // 為了相容，我們先判斷 $inventoryId 是 inventory ID
         
-        $inventory = \App\Modules\Inventory\Models\Inventory::find($inventoryId);
+        $inventory = Inventory::find($inventoryId);
         
         // 如果找不到 (可能是舊路由傳 product ID)
         if (!$inventory) {
@@ -322,7 +327,7 @@ class InventoryController extends Controller
             'lastOutboundDate' => 'nullable|date',
         ]);
 
-        return \Illuminate\Support\Facades\DB::transaction(function () use ($validated, $inventory) {
+        return DB::transaction(function () use ($validated, $inventory) {
             $currentQty = (float) $inventory->quantity;
             $newQty = (float) $validated['quantity'];
             
@@ -395,9 +400,9 @@ class InventoryController extends Controller
         });
     }
 
-    public function destroy(\App\Modules\Inventory\Models\Warehouse $warehouse, $inventoryId)
+    public function destroy(Warehouse $warehouse, $inventoryId)
     {
-         $inventory = \App\Modules\Inventory\Models\Inventory::findOrFail($inventoryId);
+         $inventory = Inventory::findOrFail($inventoryId);
          
          // 庫存 > 0 不允許刪除 (哪怕是軟刪除)
          if ($inventory->quantity > 0) {
@@ -430,7 +435,7 @@ class InventoryController extends Controller
 
         if ($productId) {
             // 商品層級查詢
-            $inventories = \App\Modules\Inventory\Models\Inventory::where('warehouse_id', $warehouse->id)
+            $inventories = Inventory::where('warehouse_id', $warehouse->id)
                 ->where('product_id', $productId)
                 ->with(['product', 'transactions' => function($query) {
                     $query->orderBy('actual_time', 'desc')->orderBy('id', 'desc');
@@ -491,7 +496,7 @@ class InventoryController extends Controller
                 ];
             })->values();
 
-            return \Inertia\Inertia::render('Warehouse/InventoryHistory', [
+            return Inertia::render('Warehouse/InventoryHistory', [
                 'warehouse' => $warehouse,
                 'inventory' => [
                     'id' => 'product-' . $productId,
@@ -505,7 +510,7 @@ class InventoryController extends Controller
 
         if ($inventoryId) {
             // 單一批號查詢
-            $inventory = \App\Modules\Inventory\Models\Inventory::with(['product', 'transactions' => function($query) {
+            $inventory = Inventory::with(['product', 'transactions' => function($query) {
                 $query->orderBy('actual_time', 'desc')->orderBy('id', 'desc');
             }, 'transactions.user'])->findOrFail($inventoryId);
 
@@ -521,7 +526,7 @@ class InventoryController extends Controller
                 ];
             });
 
-            return \Inertia\Inertia::render('Warehouse/InventoryHistory', [
+            return Inertia::render('Warehouse/InventoryHistory', [
                 'warehouse' => $warehouse,
                 'inventory' => [
                     'id' => (string) $inventory->id,

app/Modules/Inventory/Controllers/ProductController.php

@@ -6,6 +6,7 @@ use App\Http\Controllers\Controller;
 
 use App\Modules\Inventory\Models\Product;
 use App\Modules\Inventory\Models\Unit;
+use App\Modules\Inventory\Models\Category;
 use Illuminate\Http\Request;
 use Inertia\Inertia;
 use Inertia\Response;
@@ -13,7 +14,7 @@ use Inertia\Response;
 class ProductController extends Controller
 {
     /**
-     * Display a listing of the resource.
+     * 顯示資源列表。
      */
     public function index(Request $request): Response
     {
@@ -40,7 +41,7 @@ class ProductController extends Controller
         $sortField = $request->input('sort_field', 'id');
         $sortDirection = $request->input('sort_direction', 'desc');
         
-        // Define allowed sort fields to prevent SQL injection
+        // 定義允許的排序欄位以防止 SQL 注入
         $allowedSorts = ['id', 'code', 'name', 'category_id', 'base_unit_id', 'conversion_rate'];
         if (!in_array($sortField, $allowedSorts)) {
             $sortField = 'id';
@@ -49,11 +50,11 @@ class ProductController extends Controller
             $sortDirection = 'desc';
         }
 
-        // Handle relation sorting (category name) separately if needed, or simple join
+        // 如果需要，分別處理關聯排序（分類名稱），或簡單的 join
         if ($sortField === 'category_id') {
-            // Join categories for sorting by name? Or just by ID?
+            // 加入分類以便按名稱排序？還是僅按 ID？
-            // Simple approach: sort by ID for now, or join if user wants name sort.
+            // 簡單方法：目前按 ID 排序，如果使用者想要按名稱排序則 join。
-            // Let's assume standard field sorting first.
+            // 先假設標準欄位排序。
             $query->orderBy('category_id', $sortDirection);
         } else {
              $query->orderBy($sortField, $sortDirection);
@@ -61,18 +62,49 @@ class ProductController extends Controller
 
         $products = $query->paginate($perPage)->withQueryString();
 
-        $categories = \App\Modules\Inventory\Models\Category::where('is_active', true)->get();
+        $products->getCollection()->transform(function ($product) {
+            return (object) [
+                'id' => (string) $product->id,
+                'code' => $product->code,
+                'name' => $product->name,
+                'categoryId' => $product->category_id,
+                'category' => $product->category ? (object) [
+                    'id' => $product->category->id,
+                    'name' => $product->category->name,
+                ] : null,
+                'brand' => $product->brand,
+                'specification' => $product->specification,
+                'baseUnitId' => $product->base_unit_id,
+                'baseUnit' => $product->baseUnit ? (object) [
+                    'id' => $product->baseUnit->id,
+                    'name' => $product->baseUnit->name,
+                ] : null,
+                'largeUnitId' => $product->large_unit_id,
+                'largeUnit' => $product->largeUnit ? (object) [
+                    'id' => $product->largeUnit->id,
+                    'name' => $product->largeUnit->name,
+                ] : null,
+                'purchaseUnitId' => $product->purchase_unit_id,
+                'purchaseUnit' => $product->purchaseUnit ? (object) [
+                    'id' => $product->purchaseUnit->id,
+                    'name' => $product->purchaseUnit->name,
+                ] : null,
+                'conversionRate' => (float) $product->conversion_rate,
+            ];
+        });
+
+        $categories = Category::where('is_active', true)->get();
 
         return Inertia::render('Product/Index', [
             'products' => $products,
-            'categories' => $categories,
+            'categories' => Category::where('is_active', true)->get()->map(fn($c) => (object)['id' => $c->id, 'name' => $c->name]),
-            'units' => Unit::all(),
+            'units' => Unit::all()->map(fn($u) => (object)['id' => (string) $u->id, 'name' => $u->name, 'code' => $u->code]),
             'filters' => $request->only(['search', 'category_id', 'per_page', 'sort_field', 'sort_direction']),
         ]);
     }
 
     /**
-     * Store a newly created resource in storage.
+     * 將新建立的資源儲存到儲存體中。
      */
     public function store(Request $request)
     {
@@ -107,7 +139,7 @@ class ProductController extends Controller
     }
 
     /**
-     * Update the specified resource in storage.
+     * 更新儲存體中的指定資源。
      */
     public function update(Request $request, Product $product)
     {
@@ -141,7 +173,7 @@ class ProductController extends Controller
     }
 
     /**
-     * Remove the specified resource from storage.
+     * 從儲存體中移除指定資源。
      */
     public function destroy(Product $product)
     {

app/Modules/Inventory/Controllers/TransferOrderController.php

@@ -29,25 +29,30 @@ class TransferOrderController extends Controller
         ]);
 
         return DB::transaction(function () use ($validated) {
-            // 1. 檢查來源倉庫庫存
+            // 1. 檢查來源倉庫庫存 (精確匹配產品與批號)
             $sourceInventory = Inventory::where('warehouse_id', $validated['sourceWarehouseId'])
                 ->where('product_id', $validated['productId'])
+                ->where('batch_number', $validated['batchNumber'])
                 ->first();
 
             if (!$sourceInventory || $sourceInventory->quantity < $validated['quantity']) {
                 throw ValidationException::withMessages([
-                    'quantity' => ['來源倉庫庫存不足'],
+                    'quantity' => ['來源倉庫指定批號庫存不足'],
                 ]);
             }
 
-            // 2. 獲取或建立目標倉庫庫存
+            // 2. 獲取或建立目標倉庫庫存 (精確匹配產品與批號，並繼承效期與品質狀態)
             $targetInventory = Inventory::firstOrCreate(
                 [
                     'warehouse_id' => $validated['targetWarehouseId'],
                     'product_id' => $validated['productId'],
+                    'batch_number' => $validated['batchNumber'],
                 ],
                 [
                     'quantity' => 0,
+                    'expiry_date' => $sourceInventory->expiry_date,
+                    'quality_status' => $sourceInventory->quality_status,
+                    'origin_country' => $sourceInventory->origin_country,
                 ]
             );
 
@@ -109,11 +114,12 @@ class TransferOrderController extends Controller
             ->get()
             ->map(function ($inv) {
                 return [
-                    'productId' => (string) $inv->product_id,
+                    'product_id' => (string) $inv->product_id,
-                    'productName' => $inv->product->name,
+                    'product_name' => $inv->product->name,
-                    'batchNumber' => 'BATCH-' . $inv->id, // 模擬批號
+                    'batch_number' => $inv->batch_number,
-                    'availableQty' => (float) $inv->quantity,
+                    'quantity' => (float) $inv->quantity,
-                    'unit' => $inv->product->baseUnit?->name ?? '個',
+                    'unit_name' => $inv->product->baseUnit?->name ?? '個',
+                    'expiry_date' => $inv->expiry_date ? $inv->expiry_date->format('Y-m-d') : null,
                 ];
             });
 

app/Modules/Inventory/Controllers/UnitController.php

@@ -11,7 +11,7 @@ use Illuminate\Http\Request;
 class UnitController extends Controller
 {
     /**
-     * Store a newly created resource in storage.
+     * 將新建立的資源儲存到儲存體中。
      */
     public function store(Request $request)
     {
@@ -31,7 +31,7 @@ class UnitController extends Controller
     }
 
     /**
-     * Update the specified resource in storage.
+     * 更新儲存體中的指定資源。
      */
     public function update(Request $request, Unit $unit)
     {
@@ -51,11 +51,11 @@ class UnitController extends Controller
     }
 
     /**
-     * Remove the specified resource from storage.
+     * 從儲存體中移除指定資源。
      */
     public function destroy(Unit $unit)
     {
-        // Check if unit is used in any product
+        // 檢查單位是否已被任何商品使用
         $isUsed = Product::where('base_unit_id', $unit->id)
             ->orWhere('large_unit_id', $unit->id)
             ->orWhere('purchase_unit_id', $unit->id)

app/Modules/Inventory/Controllers/WarehouseController.php

@@ -24,13 +24,45 @@ class WarehouseController extends Controller
             });
         }
 
-        $warehouses = $query->withSum('inventories as total_quantity', 'quantity')
+        $warehouses = $query->withSum('inventories as book_stock', 'quantity') // 帳面庫存 = 所有庫存總和
+            ->withSum(['inventories as available_stock' => function ($query) {
+                // 可用庫存 = 庫存 > 0 且 品質正常 且 (未過期 或 無效期)
+                $query->where('quantity', '>', 0)
+                      ->where('quality_status', 'normal')
+                      ->where(function ($q) {
+                          $q->whereNull('expiry_date')
+                            ->orWhere('expiry_date', '>=', now());
+                      });
+            }], 'quantity')
             ->orderBy('created_at', 'desc')
             ->paginate(10)
             ->withQueryString();
 
+        // 修正各倉庫列表中的可用庫存計算：若倉庫不可銷售，則可用庫存為 0
+        $warehouses->getCollection()->transform(function ($w) {
+            if (!$w->is_sellable) {
+                $w->available_stock = 0;
+            }
+            return $w;
+        });
+
+        // 計算全域總計 (不分頁)
+        $totals = [
+            'available_stock' => \App\Modules\Inventory\Models\Inventory::where('quantity', '>', 0)
+                ->where('quality_status', 'normal')
+                ->whereHas('warehouse', function ($q) {
+                    $q->where('is_sellable', true);
+                })
+                ->where(function ($q) {
+                    $q->whereNull('expiry_date')
+                      ->orWhere('expiry_date', '>=', now());
+                })->sum('quantity'),
+            'book_stock' => \App\Modules\Inventory\Models\Inventory::sum('quantity'),
+        ];
+
         return Inertia::render('Warehouse/Index', [
             'warehouses' => $warehouses,
+            'totals' => $totals,
             'filters' => $request->only(['search']),
         ]);
     }
@@ -41,9 +73,10 @@ class WarehouseController extends Controller
             'name' => 'required|string|max:50',
             'address' => 'nullable|string|max:255',
             'description' => 'nullable|string',
+            'is_sellable' => 'nullable|boolean',
         ]);
 
-        // Auto-generate code
+        // 自動產生代碼
         $prefix = 'WH';
         $lastWarehouse = Warehouse::latest('id')->first();
         $nextId = $lastWarehouse ? $lastWarehouse->id + 1 : 1;
@@ -62,6 +95,7 @@ class WarehouseController extends Controller
             'name' => 'required|string|max:50',
             'address' => 'nullable|string|max:255',
             'description' => 'nullable|string',
+            'is_sellable' => 'nullable|boolean',
         ]);
 
         $warehouse->update($validated);

app/Modules/Inventory/InventoryServiceProvider.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Modules\Inventory;
+
+use Illuminate\Support\ServiceProvider;
+use App\Modules\Inventory\Contracts\InventoryServiceInterface;
+use App\Modules\Inventory\Services\InventoryService;
+
+class InventoryServiceProvider extends ServiceProvider
+{
+    public function register(): void
+    {
+        $this->app->bind(InventoryServiceInterface::class, InventoryService::class);
+    }
+
+    public function boot(): void
+    {
+        //
+    }
+}

app/Modules/Inventory/Models/Inventory.php

@@ -4,7 +4,7 @@ namespace App\Modules\Inventory\Models;
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
-use App\Modules\Procurement\Models\PurchaseOrder; // Cross-module dependency
+
 
 class Inventory extends Model
 {
@@ -35,8 +35,8 @@ class Inventory extends Model
     ];
 
     /**
-     * Transient property to store the reason for the activity log (e.g., "Replenishment #123").
+     * 用於活動記錄的暫時屬性（例如 "補貨 #123"）。
-     * This is not stored in the database column but used for logging context.
+     * 此屬性不存儲在資料庫欄位中，但用於記錄上下文。
      * @var string|null
      */
     public $activityLogReason;
@@ -55,12 +55,12 @@ class Inventory extends Model
         $attributes = $properties['attributes'] ?? [];
         $snapshot = $properties['snapshot'] ?? [];
 
-        // Always snapshot names for context, even if IDs didn't change
+        // 始終對名稱進行快照以便於上下文顯示，即使 ID 未更改
-        // $this refers to the Inventory model instance
+        // $this 指的是 Inventory 模型實例
         $snapshot['warehouse_name'] = $this->warehouse ? $this->warehouse->name : ($snapshot['warehouse_name'] ?? null);
         $snapshot['product_name'] = $this->product ? $this->product->name : ($snapshot['product_name'] ?? null);
 
-        // Capture the reason if set
+        // 如果已設定原因，則進行捕捉
         if ($this->activityLogReason) {
             $attributes['_reason'] = $this->activityLogReason;
         }
@@ -105,13 +105,7 @@ class Inventory extends Model
         });
     }
 
-    /**
+
-     * 來源採購單
-     */
-    public function sourcePurchaseOrder(): \Illuminate\Database\Eloquent\Relations\BelongsTo
-    {
-        return $this->belongsTo(PurchaseOrder::class, 'source_purchase_order_id');
-    }
 
     /**
      * 產生批號

app/Modules/Inventory/Models/InventoryTransaction.php

@@ -4,7 +4,7 @@ namespace App\Modules\Inventory\Models;
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
-use App\Modules\Core\Models\User; // Cross-module Core dependency
+use App\Modules\Core\Models\User; // 跨模組核心依賴
 
 class InventoryTransaction extends Model
 {

app/Modules/Inventory/Models/Product.php

@@ -9,7 +9,7 @@ use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Spatie\Activitylog\Traits\LogsActivity;
 use Spatie\Activitylog\LogOptions;
-use App\Modules\Procurement\Models\Vendor; // Cross-module dependency (Procurement)
+
 
 class Product extends Model
 {
@@ -32,7 +32,7 @@ class Product extends Model
     ];
 
     /**
-     * Get the category that owns the product.
+     * 取得該商品所屬的分類。
      */
     public function category(): BelongsTo
     {
@@ -54,10 +54,7 @@ class Product extends Model
         return $this->belongsTo(Unit::class, 'purchase_unit_id');
     }
 
-    public function vendors(): \Illuminate\Database\Eloquent\Relations\BelongsToMany
+
-    {
-        return $this->belongsToMany(Vendor::class)->withPivot('last_price')->withTimestamps();
-    }
 
     public function inventories(): \Illuminate\Database\Eloquent\Relations\HasMany
     {
@@ -83,13 +80,13 @@ class Product extends Model
         $attributes = $properties['attributes'] ?? [];
         $snapshot = $properties['snapshot'] ?? [];
         
-        // Handle Category Name Snapshot
+        // 處理分類名稱快照
         if (isset($attributes['category_id'])) {
             $category = Category::find($attributes['category_id']);
             $snapshot['category_name'] = $category ? $category->name : null;
         }
         
-        // Handle Unit Name Snapshots
+        // 處理單位名稱快照
         $unitFields = ['base_unit_id', 'large_unit_id', 'purchase_unit_id'];
         foreach ($unitFields as $field) {
             if (isset($attributes[$field])) {
@@ -99,7 +96,7 @@ class Product extends Model
             }
         }
         
-        // Always snapshot self name for context (so logs always show "Cola")
+        // 始終對自身名稱進行快照以便於上下文顯示（這樣日誌總是顯示 "可樂"）
         $snapshot['name'] = $this->name;
 
         $properties['attributes'] = $attributes;

app/Modules/Inventory/Models/Warehouse.php

@@ -4,7 +4,7 @@ namespace App\Modules\Inventory\Models;
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
-use App\Modules\Procurement\Models\PurchaseOrder; // Cross-module dependency (Procurement)
+
 
 class Warehouse extends Model
 {
@@ -17,6 +17,11 @@ class Warehouse extends Model
         'name',
         'address',
         'description',
+        'is_sellable',
+    ];
+
+    protected $casts = [
+        'is_sellable' => 'boolean',
     ];
 
     public function getActivitylogOptions(): \Spatie\Activitylog\LogOptions
@@ -43,10 +48,7 @@ class Warehouse extends Model
         return $this->hasMany(Inventory::class);
     }
 
-    public function purchaseOrders(): \Illuminate\Database\Eloquent\Relations\HasMany
+
-    {
-        return $this->hasMany(PurchaseOrder::class);
-    }
 
     public function products(): \Illuminate\Database\Eloquent\Relations\BelongsToMany
     {

app/Modules/Inventory/Services/InventoryService.php

@@ -0,0 +1,168 @@
+<?php
+
+namespace App\Modules\Inventory\Services;
+
+use App\Modules\Inventory\Contracts\InventoryServiceInterface;
+use App\Modules\Inventory\Models\Inventory;
+use App\Modules\Inventory\Models\Warehouse;
+use App\Modules\Inventory\Models\Product;
+use Illuminate\Support\Facades\DB;
+
+class InventoryService implements InventoryServiceInterface
+{
+    public function getAllWarehouses()
+    {
+        return Warehouse::all();
+    }
+
+    public function getAllProducts()
+    {
+        return Product::with(['baseUnit'])->get();
+    }
+
+    public function getUnits()
+    {
+        return \App\Modules\Inventory\Models\Unit::all();
+    }
+
+    public function getInventoriesByIds(array $ids, array $with = [])
+    {
+        return Inventory::whereIn('id', $ids)->with($with)->get();
+    }
+
+    public function getProduct(int $id)
+    {
+        return Product::find($id);
+    }
+
+    public function getProductsByIds(array $ids)
+    {
+        return Product::whereIn('id', $ids)->get();
+    }
+
+    public function getWarehouse(int $id)
+    {
+        return Warehouse::find($id);
+    }
+
+    public function checkStock(int $productId, int $warehouseId, float $quantity): bool
+    {
+        $stock = Inventory::where('product_id', $productId)
+            ->where('warehouse_id', $warehouseId)
+            ->sum('quantity');
+            
+        return $stock >= $quantity;
+    }
+
+    public function decreaseStock(int $productId, int $warehouseId, float $quantity, ?string $reason = null): void
+    {
+        DB::transaction(function () use ($productId, $warehouseId, $quantity, $reason) {
+            $inventories = Inventory::where('product_id', $productId)
+                ->where('warehouse_id', $warehouseId)
+                ->where('quantity', '>', 0)
+                ->orderBy('arrival_date', 'asc')
+                ->get();
+
+            $remainingToDecrease = $quantity;
+
+            foreach ($inventories as $inventory) {
+                if ($remainingToDecrease <= 0) break;
+
+                $decreaseAmount = min($inventory->quantity, $remainingToDecrease);
+                $this->decreaseInventoryQuantity($inventory->id, $decreaseAmount, $reason);
+                $remainingToDecrease -= $decreaseAmount;
+            }
+
+            if ($remainingToDecrease > 0) {
+                // 這裡可以選擇報錯或允許負庫存，目前為了嚴謹拋出異常
+                throw new \Exception("庫存不足，無法扣除所有請求的數量。");
+            }
+        });
+    }
+
+    public function getInventoriesByWarehouse(int $warehouseId)
+    {
+        return Inventory::with(['product.baseUnit', 'product.largeUnit'])
+            ->where('warehouse_id', $warehouseId)
+            ->where('quantity', '>', 0)
+            ->orderBy('arrival_date', 'asc')
+            ->get();
+    }
+
+    public function createInventoryRecord(array $data)
+    {
+        return DB::transaction(function () use ($data) {
+            // 嘗試查找是否已有相同批號的庫存
+            $inventory = Inventory::where('warehouse_id', $data['warehouse_id'])
+                ->where('product_id', $data['product_id'])
+                ->where('batch_number', $data['batch_number'] ?? null)
+                ->first();
+
+            $balanceBefore = 0;
+
+            if ($inventory) {
+                // 若存在，則更新數量與相關資訊 (鎖定行以避免併發問題)
+                $inventory = Inventory::lockForUpdate()->find($inventory->id);
+                $balanceBefore = $inventory->quantity;
+                
+                $inventory->quantity += $data['quantity'];
+                // 更新其他可能變更的欄位 (如最後入庫日)
+                $inventory->arrival_date = $data['arrival_date'] ?? $inventory->arrival_date;
+                $inventory->save();
+            } else {
+                // 若不存在，則建立新紀錄
+                $inventory = Inventory::create([
+                    'warehouse_id' => $data['warehouse_id'],
+                    'product_id' => $data['product_id'],
+                    'quantity' => $data['quantity'],
+                    'batch_number' => $data['batch_number'] ?? null,
+                    'box_number' => $data['box_number'] ?? null,
+                    'origin_country' => $data['origin_country'] ?? 'TW',
+                    'arrival_date' => $data['arrival_date'] ?? now(),
+                    'expiry_date' => $data['expiry_date'] ?? null,
+                    'quality_status' => $data['quality_status'] ?? 'normal',
+                    'source_purchase_order_id' => $data['source_purchase_order_id'] ?? null,
+                ]);
+            }
+
+            \App\Modules\Inventory\Models\InventoryTransaction::create([
+                'inventory_id' => $inventory->id,
+                'type' => '入庫',
+                'quantity' => $data['quantity'],
+                'balance_before' => $balanceBefore,
+                'balance_after' => $inventory->quantity,
+                'reason' => $data['reason'] ?? '手動入庫',
+                'reference_type' => $data['reference_type'] ?? null,
+                'reference_id' => $data['reference_id'] ?? null,
+                'user_id' => auth()->id(),
+                'actual_time' => now(),
+            ]);
+
+            return $inventory;
+        });
+    }
+
+    public function decreaseInventoryQuantity(int $inventoryId, float $quantity, ?string $reason = null, ?string $referenceType = null, $referenceId = null): void
+    {
+        DB::transaction(function () use ($inventoryId, $quantity, $reason, $referenceType, $referenceId) {
+            $inventory = Inventory::lockForUpdate()->findOrFail($inventoryId);
+            $balanceBefore = $inventory->quantity;
+            
+            $inventory->decrement('quantity', $quantity);
+            $inventory->refresh();
+
+            \App\Modules\Inventory\Models\InventoryTransaction::create([
+                'inventory_id' => $inventory->id,
+                'type' => '出庫',
+                'quantity' => -$quantity,
+                'balance_before' => $balanceBefore,
+                'balance_after' => $inventory->quantity,
+                'reason' => $reason ?? '庫存扣減',
+                'reference_type' => $referenceType,
+                'reference_id' => $referenceId,
+                'user_id' => auth()->id(),
+                'actual_time' => now(),
+            ]);
+        });
+    }
+}

app/Modules/Procurement/Contracts/ProcurementServiceInterface.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Modules\Procurement\Contracts;
+
+use Illuminate\Support\Collection;
+
+interface ProcurementServiceInterface
+{
+    /**
+     * Get purchase orders within a date range.
+     * 
+     * @param string $start
+     * @param string $end
+     * @param array $statuses
+     * @return Collection
+     */
+    public function getPurchaseOrdersByDate(string $start, string $end, array $statuses = ['received', 'completed']): Collection;
+
+    /**
+     * Get purchase orders by multiple IDs.
+     * 
+     * @param array $ids
+     * @param array $with
+     * @return Collection
+     */
+    public function getPurchaseOrdersByIds(array $ids, array $with = []): Collection;
+}

app/Modules/Procurement/Controllers/PurchaseOrderController.php

@@ -6,18 +6,30 @@ use App\Http\Controllers\Controller;
 
 use App\Modules\Procurement\Models\PurchaseOrder;
 use App\Modules\Procurement\Models\Vendor;
-use App\Modules\Inventory\Models\Warehouse;
+// use App\Modules\Inventory\Models\Warehouse; // REFACTORED: 移除直接依賴
+use App\Modules\Inventory\Contracts\InventoryServiceInterface; // NEW: 使用契約
+use App\Modules\Core\Contracts\CoreServiceInterface; // NEW: 使用核心服務契約
 use Illuminate\Http\Request;
 use Inertia\Inertia;
 use Illuminate\Support\Facades\DB;
 
 class PurchaseOrderController extends Controller
 {
+    protected $inventoryService;
+    protected $coreService;
+
+    public function __construct(InventoryServiceInterface $inventoryService, CoreServiceInterface $coreService)
+    {
+        $this->inventoryService = $inventoryService;
+        $this->coreService = $coreService;
+    }
+
     public function index(Request $request)
     {
-        $query = PurchaseOrder::with(['vendor', 'warehouse', 'user']);
+        // 1. 從關聯中移除 'warehouse' 與 'user'
+        $query = PurchaseOrder::with(['vendor']);
 
-        // Search
+        // 搜尋
         if ($request->search) {
             $query->where(function($q) use ($request) {
                 $q->where('code', 'like', "%{$request->search}%")
@@ -27,7 +39,7 @@ class PurchaseOrderController extends Controller
             });
         }
 
-        // Filters
+        // 篩選
         if ($request->status && $request->status !== 'all') {
             $query->where('status', $request->status);
         }
@@ -36,7 +48,7 @@ class PurchaseOrderController extends Controller
             $query->where('warehouse_id', $request->warehouse_id);
         }
 
-        // Date Range
+        // 日期範圍
         if ($request->date_start) {
             $query->whereDate('created_at', '>=', $request->date_start);
         }
@@ -45,7 +57,7 @@ class PurchaseOrderController extends Controller
             $query->whereDate('created_at', '<=', $request->date_end);
         }
 
-        // Sorting
+        // 排序
         $sortField = $request->sort_field ?? 'id';
         $sortDirection = $request->sort_direction ?? 'desc';
         $allowedSortFields = ['id', 'code', 'status', 'total_amount', 'created_at', 'expected_delivery_date'];
@@ -57,36 +69,89 @@ class PurchaseOrderController extends Controller
         $perPage = $request->input('per_page', 10);
         $orders = $query->paginate($perPage)->withQueryString();
 
+        // 2. 手動注入倉庫與使用者資料
+        $warehouses = $this->inventoryService->getAllWarehouses();
+        $userIds = $orders->getCollection()->pluck('user_id')->unique()->toArray();
+        $users = $this->coreService->getUsersByIds($userIds)->keyBy('id');
+
+        $orders->getCollection()->transform(function ($order) use ($warehouses, $users) {
+            // 水和倉庫
+            $warehouse = $warehouses->firstWhere('id', $order->warehouse_id);
+            $order->setRelation('warehouse', $warehouse);
+
+            // 水和使用者
+            $user = $users->get($order->user_id);
+            $order->setRelation('user', $user);
+
+            // 轉換為前端期望的格式 (camelCase)
+            return (object) [
+                'id' => (string) $order->id,
+                'poNumber' => $order->code,
+                'supplierId' => (string) $order->vendor_id,
+                'supplierName' => $order->vendor?->name ?? 'Unknown',
+                'expectedDate' => $order->expected_delivery_date?->toISOString(),
+                'status' => $order->status,
+                'totalAmount' => (float) $order->total_amount,
+                'taxAmount' => (float) $order->tax_amount,
+                'grandTotal' => (float) $order->grand_total,
+                'createdAt' => $order->created_at->toISOString(),
+                'createdBy' => $user?->name ?? 'System',
+                'warehouse_id' => (int) $order->warehouse_id,
+                'warehouse_name' => $warehouse?->name ?? 'Unknown',
+                'remark' => $order->remark,
+            ];
+        });
+
+
         return Inertia::render('PurchaseOrder/Index', [
             'orders' => $orders,
             'filters' => $request->only(['search', 'status', 'warehouse_id', 'date_start', 'date_end', 'sort_field', 'sort_direction', 'per_page']),
-            'warehouses' => Warehouse::all(['id', 'name']),
+            'warehouses' => $warehouses->map(fn($w)=>(object)['id'=>$w->id, 'name'=>$w->name]), 
         ]);
     }
 
     public function create()
     {
-        $vendors = Vendor::with(['products.baseUnit', 'products.largeUnit', 'products.purchaseUnit'])->get()->map(function ($vendor) {
+        // 1. 獲取廠商（無關聯）
+        $vendors = Vendor::all();
+
+        // 2. 手動注入：獲取 Pivot 資料
+        $vendorIds = $vendors->pluck('id')->toArray();
+        $pivots = DB::table('product_vendor')->whereIn('vendor_id', $vendorIds)->get();
+        $productIds = $pivots->pluck('product_id')->unique()->toArray();
+        
+        // 3. 從服務獲取商品
+        $products = $this->inventoryService->getProductsByIds($productIds)->keyBy('id');
+
+        // 4. 重建前端結構
+        $vendors = $vendors->map(function ($vendor) use ($pivots, $products) {
+            $vendorProductPivots = $pivots->where('vendor_id', $vendor->id);
+            
+            $commonProducts = $vendorProductPivots->map(function($pivot) use ($products) {
+                $product = $products[$pivot->product_id] ?? null;
+                if (!$product) return null;
+                
+                return [
+                    'productId' => (string) $product->id,
+                    'productName' => $product->name,
+                    'base_unit_id' => $product->base_unit_id,
+                    'base_unit_name' => $product->baseUnit?->name,
+                    'large_unit_id' => $product->large_unit_id,
+                    'large_unit_name' => $product->largeUnit?->name,
+                    'purchase_unit_id' => $product->purchase_unit_id,
+                    'conversion_rate' => (float) $product->conversion_rate,
+                    'lastPrice' => (float) $pivot->last_price,
+                ];
+            })->filter()->values();
+
             return [
                 'id' => (string) $vendor->id,
                 'name' => $vendor->name,
-                'commonProducts' => $vendor->products->map(function ($product) {
+                'commonProducts' => $commonProducts
-                    return [
-                        'productId' => (string) $product->id,
-                        'productName' => $product->name,
-                        'base_unit_id' => $product->base_unit_id,
-                        'base_unit_name' => $product->baseUnit?->name,
-                        'large_unit_id' => $product->large_unit_id,
-                        'large_unit_name' => $product->largeUnit?->name,
-                        'purchase_unit_id' => $product->purchase_unit_id,
-                        'conversion_rate' => (float) $product->conversion_rate,
-                        'lastPrice' => (float) ($product->pivot->last_price ?? 0),
-                    ];
-                })
             ];
         });
 
-        $warehouses = Warehouse::all()->map(function ($w) {
+        $warehouses = $this->inventoryService->getAllWarehouses()->map(function ($w) {
             return [
                 'id' => (string) $w->id,
                 'name' => $w->name,
@@ -141,7 +206,7 @@ class PurchaseOrderController extends Controller
                 $totalAmount += $item['subtotal'];
             }
 
-            // Tax calculation
+            // 稅額計算
             $taxAmount = isset($validated['tax_amount']) ? $validated['tax_amount'] : round($totalAmount * 0.05, 2);
             $grandTotal = $totalAmount + $taxAmount;
 
@@ -200,120 +265,148 @@ class PurchaseOrderController extends Controller
 
     public function show($id)
     {
-        $order = PurchaseOrder::with(['vendor', 'warehouse', 'user', 'items.product.baseUnit', 'items.product.largeUnit'])->findOrFail($id);
+        $order = PurchaseOrder::with(['vendor', 'items'])->findOrFail($id);
         
-        $order->items->transform(function ($item) use ($order) {
+        // 手動注入
-            $product = $item->product;
+        $order->setRelation('warehouse', $this->inventoryService->getWarehouse($order->warehouse_id));
-            if ($product) {
+        $order->setRelation('user', $this->coreService->getUser($order->user_id));
-                // 手動附加所有必要的屬性
-                $item->productId = (string) $product->id;
-                $item->productName = $product->name;
-                $item->base_unit_id = $product->base_unit_id;
-                $item->base_unit_name = $product->baseUnit?->name;
-                $item->large_unit_id = $product->large_unit_id;
-                $item->large_unit_name = $product->largeUnit?->name;
-                $item->purchase_unit_id = $product->purchase_unit_id;
 
-                $item->conversion_rate = (float) $product->conversion_rate;
+        $productIds = $order->items->pluck('product_id')->unique()->toArray();
+        $products = $this->inventoryService->getProductsByIds($productIds)->keyBy('id');
 
-                // Fetch last price
+        $formattedItems = $order->items->map(function ($item) use ($order, $products) {
-                $lastPrice = DB::table('product_vendor')
+            $product = $products[$item->product_id] ?? null;
-                    ->where('vendor_id', $order->vendor_id)
+            return (object) [
-                    ->where('product_id', $product->id)
+                'productId' => (string) $item->product_id,
-                    ->value('last_price');
+                'productName' => $product?->name ?? 'Unknown',
-                $item->previousPrice = (float) ($lastPrice ?? 0);
+                'quantity' => (float) $item->quantity,
-
+                'unitId' => $item->unit_id,
-                // 設定當前選中的單位 ID (from saved item)
+                'base_unit_id' => $product?->base_unit_id,
-                $item->unitId = $item->unit_id; 
+                'base_unit_name' => $product?->baseUnit?->name,
-
+                'large_unit_id' => $product?->large_unit_id,
-                // 決定 selectedUnit (用於 UI 顯示)
+                'large_unit_name' => $product?->largeUnit?->name,
-                if ($item->unitId && $item->large_unit_id && $item->unitId == $item->large_unit_id) {
+                'purchase_unit_id' => $product?->purchase_unit_id,
-                    $item->selectedUnit = 'large';
+                'conversion_rate' => (float) ($product?->conversion_rate ?? 1),
-                } else {
+                'selectedUnit' => ($item->unit_id && $product?->large_unit_id && $item->unit_id == $product->large_unit_id) ? 'large' : 'base',
-                    $item->selectedUnit = 'base';
+                'unitPrice' => (float) $item->unit_price,
-                }
+                'previousPrice' => (float) (DB::table('product_vendor')->where('vendor_id', $order->vendor_id)->where('product_id', $item->product_id)->value('last_price') ?? 0),
-
+                'subtotal' => (float) $item->subtotal,
-                $item->unitPrice = (float) $item->unit_price;
+            ];
-            }
-            return $item;
         });
 
+        $formattedOrder = (object) [
+            'id' => (string) $order->id,
+            'poNumber' => $order->code,
+            'supplierId' => (string) $order->vendor_id,
+            'supplierName' => $order->vendor?->name ?? 'Unknown',
+            'expectedDate' => $order->expected_delivery_date?->toISOString(),
+            'status' => $order->status,
+            'items' => $formattedItems,
+            'totalAmount' => (float) $order->total_amount,
+            'taxAmount' => (float) $order->tax_amount,
+            'grandTotal' => (float) $order->grand_total,
+            'createdAt' => $order->created_at->toISOString(),
+            'createdBy' => $order->user?->name ?? 'System',
+            'warehouse_id' => (int) $order->warehouse_id,
+            'warehouse_name' => $order->warehouse?->name ?? 'Unknown',
+            'remark' => $order->remark,
+            'invoiceNumber' => $order->invoice_number,
+            'invoiceDate' => $order->invoice_date,
+            'invoiceAmount' => (float) $order->invoice_amount,
+        ];
+
         return Inertia::render('PurchaseOrder/Show', [
-            'order' => $order
+            'order' => $formattedOrder
         ]);
     }
 
     public function edit($id)
     {
-        $order = PurchaseOrder::with(['items.product'])->findOrFail($id);
+        // 1. 獲取訂單
+        $order = PurchaseOrder::with(['items'])->findOrFail($id);
+
+        // 2. 獲取廠商與商品（與 create 邏輯一致）
+        $vendors = Vendor::all();
+        $vendorIds = $vendors->pluck('id')->toArray();
+        $pivots = DB::table('product_vendor')->whereIn('vendor_id', $vendorIds)->get();
+        $productIds = $pivots->pluck('product_id')->unique()->toArray();
+        $products = $this->inventoryService->getProductsByIds($productIds)->keyBy('id');
+
+        $vendors = $vendors->map(function ($vendor) use ($pivots, $products) {
+            $vendorProductPivots = $pivots->where('vendor_id', $vendor->id);
+            $commonProducts = $vendorProductPivots->map(function($pivot) use ($products) {
+                $product = $products[$pivot->product_id] ?? null;
+                if (!$product) return null;
+                return [
+                    'productId' => (string) $product->id,
+                    'productName' => $product->name,
+                    'base_unit_id' => $product->base_unit_id,
+                    'base_unit_name' => $product->baseUnit?->name,
+                    'large_unit_id' => $product->large_unit_id,
+                    'large_unit_name' => $product->largeUnit?->name,
+                    'purchase_unit_id' => $product->purchase_unit_id,
+                    'conversion_rate' => (float) $product->conversion_rate,
+                    'lastPrice' => (float) $pivot->last_price,
+                ];
+            })->filter()->values();
 
-        $vendors = Vendor::with(['products.baseUnit', 'products.largeUnit', 'products.purchaseUnit'])->get()->map(function ($vendor) {
             return [
                 'id' => (string) $vendor->id,
                 'name' => $vendor->name,
-                'commonProducts' => $vendor->products->map(function ($product) {
+                'commonProducts' => $commonProducts
-                    return [
-                        'productId' => (string) $product->id,
-                        'productName' => $product->name,
-                        'base_unit_id' => $product->base_unit_id,
-                        'base_unit_name' => $product->baseUnit?->name,
-                        'large_unit_id' => $product->large_unit_id,
-                        'large_unit_name' => $product->largeUnit?->name,
-                        'purchase_unit_id' => $product->purchase_unit_id,
-                        'conversion_rate' => (float) $product->conversion_rate,
-                        'lastPrice' => (float) ($product->pivot->last_price ?? 0),
-                    ];
-                })
             ];
         });
 
-        $warehouses = Warehouse::all()->map(function ($w) {
+        // 3. 獲取倉庫
+        $warehouses = $this->inventoryService->getAllWarehouses()->map(function ($w) {
             return [
                 'id' => (string) $w->id,
                 'name' => $w->name,
             ];
         });
 
-        // Transform items for frontend form
+        // 4. 注入訂單項目特定資料
-        // Transform items for frontend form
+        // 2. 注入訂單項目
+        $itemProductIds = $order->items->pluck('product_id')->toArray();
+        $itemProducts = $this->inventoryService->getProductsByIds($itemProductIds)->keyBy('id');
+        
         $vendorId = $order->vendor_id;
-        $order->items->transform(function ($item) use ($vendorId) {
+        $formattedItems = $order->items->map(function ($item) use ($vendorId, $itemProducts) {
-            $product = $item->product;
+             $product = $itemProducts[$item->product_id] ?? null;
-            if ($product) {
+             return (object) [
-                // 手動附加所有必要的屬性
+                'productId' => (string) $item->product_id,
-                $item->productId = (string) $product->id;
+                'productName' => $product?->name ?? 'Unknown',
-                $item->productName = $product->name;
+                'quantity' => (float) $item->quantity,
-                $item->base_unit_id = $product->base_unit_id;
+                'unitId' => $item->unit_id,
-                $item->base_unit_name = $product->baseUnit?->name;
+                'base_unit_id' => $product?->base_unit_id,
-                $item->large_unit_id = $product->large_unit_id;
+                'base_unit_name' => $product?->baseUnit?->name,
-                $item->large_unit_name = $product->largeUnit?->name;
+                'large_unit_id' => $product?->large_unit_id,
-                
+                'large_unit_name' => $product?->largeUnit?->name,
-                $item->conversion_rate = (float) $product->conversion_rate;
+                'conversion_rate' => (float) ($product?->conversion_rate ?? 1),
-                
+                'selectedUnit' => ($item->unit_id && $product?->large_unit_id && $item->unit_id == $product->large_unit_id) ? 'large' : 'base',
-                // Fetch last price
+                'unitPrice' => (float) $item->unit_price,
-                $lastPrice = DB::table('product_vendor')
+                'previousPrice' => (float) (DB::table('product_vendor')->where('vendor_id', $vendorId)->where('product_id', $item->product_id)->value('last_price') ?? 0),
-                    ->where('vendor_id', $vendorId)
+                'subtotal' => (float) $item->subtotal,
-                    ->where('product_id', $product->id)
+            ];
-                    ->value('last_price');
-                $item->previousPrice = (float) ($lastPrice ?? 0);
-                
-                // 設定當前選中的單位 ID
-                $item->unitId = $item->unit_id; // 資料庫中的 unit_id
-
-                // 決定 selectedUnit (用於 UI 狀態)
-                if ($item->unitId && $item->large_unit_id && $item->unitId == $item->large_unit_id) {
-                    $item->selectedUnit = 'large';
-                } else {
-                    $item->selectedUnit = 'base';
-                }
-
-                $item->unitPrice = (float) $item->unit_price;
-            }
-            return $item;
         });
 
+        $formattedOrder = (object) [
+            'id' => (string) $order->id,
+            'poNumber' => $order->code,
+            'supplierId' => (string) $order->vendor_id,
+            'warehouse_id' => (int) $order->warehouse_id,
+            'expectedDate' => $order->expected_delivery_date?->format('Y-m-d'),
+            'status' => $order->status,
+            'items' => $formattedItems,
+            'remark' => $order->remark,
+            'invoiceNumber' => $order->invoice_number,
+            'invoiceDate' => $order->invoice_date,
+            'invoiceAmount' => (float) $order->invoice_amount,
+            'taxAmount' => (float) $order->tax_amount,
+        ];
+
         return Inertia::render('PurchaseOrder/Create', [
-            'order' => $order,
+            'order' => $formattedOrder,
             'suppliers' => $vendors,
             'warehouses' => $warehouses,
         ]);
@@ -337,7 +430,7 @@ class PurchaseOrderController extends Controller
             'items.*.quantity' => 'required|numeric|min:0.01',
             'items.*.subtotal' => 'required|numeric|min:0', // 總金額
             'items.*.unitId' => 'nullable|exists:units,id',
-            // Allow both tax_amount and taxAmount for compatibility
+            // 允許 tax_amount 和 taxAmount 以保持相容性
             'tax_amount' => 'nullable|numeric|min:0', 
             'taxAmount' => 'nullable|numeric|min:0',
         ]);
@@ -350,12 +443,12 @@ class PurchaseOrderController extends Controller
                 $totalAmount += $item['subtotal'];
             }
 
-            // Tax calculation (handle both keys)
+            // 稅額計算（處理兩個鍵）
             $inputTax = $validated['tax_amount'] ?? $validated['taxAmount'] ?? null;
             $taxAmount = !is_null($inputTax) ? $inputTax : round($totalAmount * 0.05, 2);
             $grandTotal = $totalAmount + $taxAmount;
 
-            // 1. Fill attributes but don't save yet to capture changes
+            // 1. 填充屬性但暫不儲存以捕捉變更
             $order->fill([
                 'vendor_id' => $validated['vendor_id'],
                 'warehouse_id' => $validated['warehouse_id'],
@@ -370,7 +463,7 @@ class PurchaseOrderController extends Controller
                 'invoice_amount' => $validated['invoice_amount'] ?? null,
             ]);
 
-            // Capture attribute changes for manual logging
+            // 捕捉變更屬性以進行手動記錄
             $dirty = $order->getDirty();
             $oldAttributes = [];
             $newAttributes = [];
@@ -380,10 +473,10 @@ class PurchaseOrderController extends Controller
                 $newAttributes[$key] = $value;
             }
 
-            // Save without triggering events (prevents duplicate log)
+            // 儲存但不觸發事件（防止重複記錄）
             $order->saveQuietly();
 
-            // 2. Capture old items with product names for diffing
+            // 2. 捕捉包含商品名稱的舊項目以進行比對
             $oldItems = $order->items()->with('product', 'unit')->get()->map(function($item) {
                 return [
                     'id' => $item->id,
@@ -396,7 +489,7 @@ class PurchaseOrderController extends Controller
                 ];
             })->keyBy('product_id');
 
-            // Sync items (Original logic)
+            // 同步項目（原始邏輯）
             $order->items()->delete();
             
             $newItemsData = [];
@@ -414,14 +507,14 @@ class PurchaseOrderController extends Controller
                 $newItemsData[] = $newItem;
             }
 
-            // 3. Calculate Item Diffs
+            // 3. 計算項目差異
             $itemDiffs = [
                 'added' => [],
                 'removed' => [],
                 'updated' => [],
             ];
 
-            // Re-fetch new items to ensure we have fresh relations
+            // 重新獲取新項目以確保擁有最新的關聯
             $newItemsFormatted = $order->items()->with('product', 'unit')->get()->map(function($item) {
                 return [
                     'product_id' => $item->product_id,
@@ -433,20 +526,20 @@ class PurchaseOrderController extends Controller
                 ];
             })->keyBy('product_id');
 
-            // Find removed
+            // 找出已移除的項目
             foreach ($oldItems as $productId => $oldItem) {
                 if (!$newItemsFormatted->has($productId)) {
                     $itemDiffs['removed'][] = $oldItem;
                 }
             }
 
-            // Find added and updated
+            // 找出新增和更新的項目
             foreach ($newItemsFormatted as $productId => $newItem) {
                 if (!$oldItems->has($productId)) {
                     $itemDiffs['added'][] = $newItem;
                 } else {
                     $oldItem = $oldItems[$productId];
-                    // Compare fields
+                    // 比對欄位
                     if (
                         $oldItem['quantity'] != $newItem['quantity'] || 
                         $oldItem['unit_id'] != $newItem['unit_id'] ||
@@ -469,8 +562,8 @@ class PurchaseOrderController extends Controller
                 }
             }
 
-            // 4. Manually Log activity (Single Consolidated Log)
+            // 4. 手動記錄活動（單一整合記錄）
-            // Log if there are attribute changes OR item changes
+            // 如果有屬性變更或項目變更則記錄
             if (!empty($newAttributes) || !empty($itemDiffs['added']) || !empty($itemDiffs['removed']) || !empty($itemDiffs['updated'])) {
                 activity()
                     ->performedOn($order)
@@ -505,19 +598,24 @@ class PurchaseOrderController extends Controller
         try {
             DB::beginTransaction();
             
-            $order = PurchaseOrder::with(['items.product', 'items.unit'])->findOrFail($id);
+            $order = PurchaseOrder::with(['items'])->findOrFail($id);
             
-            // Capture items for logging
+            // 為記錄注入資料
-            $items = $order->items->map(function ($item) {
+            $productIds = $order->items->pluck('product_id')->unique()->toArray();
+            $products = $this->inventoryService->getProductsByIds($productIds)->keyBy('id');
+
+            // 捕捉項目以進行記錄
+            $items = $order->items->map(function ($item) use ($products) {
+                $product = $products[$item->product_id] ?? null;
                 return [
-                    'product_name' => $item->product_name,
+                    'product_name' => $product?->name ?? 'Unknown',
                     'quantity' => floatval($item->quantity),
-                    'unit_name' => $item->unit_name,
+                    'unit_name' => 'N/A', 
                     'subtotal' => floatval($item->subtotal),
                 ];
             })->toArray();
 
-            // Manually log the deletion with items
+            // 手動記錄包含項目的刪除操作
             activity()
                 ->performedOn($order)
                 ->causedBy(auth()->user())
@@ -538,10 +636,10 @@ class PurchaseOrderController extends Controller
                 ])
                 ->log('deleted');
 
-            // Disable automatic logging for this operation
+            // 對此操作停用自動記錄
             $order->disableLogging();
             
-            // Delete associated items first
+            // 先刪除關聯項目
             $order->items()->delete();
             $order->delete();
             

app/Modules/Procurement/Controllers/VendorController.php

@@ -4,15 +4,21 @@ namespace App\Modules\Procurement\Controllers;
 
 use App\Http\Controllers\Controller;
 use App\Modules\Procurement\Models\Vendor;
-
+use App\Modules\Inventory\Contracts\InventoryServiceInterface;
 use Illuminate\Http\Request;
+use Inertia\Inertia;
+use Inertia\Response;
 
 class VendorController extends Controller
 {
+    public function __construct(
+        protected InventoryServiceInterface $inventoryService
+    ) {}
+
     /**
-     * Display a listing of the resource.
+     * 顯示資源列表。
      */
-    public function index(\Illuminate\Http\Request $request): \Inertia\Response
+    public function index(Request $request): Response
     {
         $query = Vendor::query();
 
@@ -44,28 +50,71 @@ class VendorController extends Controller
             ->paginate($perPage)
             ->withQueryString();
 
-        return \Inertia\Inertia::render('Vendor/Index', [
+        $vendors->getCollection()->transform(function ($vendor) {
+            return (object) [
+                'id' => (string) $vendor->id,
+                'code' => $vendor->code,
+                'name' => $vendor->name,
+                'shortName' => $vendor->short_name,
+                'taxId' => $vendor->tax_id,
+                'owner' => $vendor->owner,
+                'contactName' => $vendor->contact_name,
+                'phone' => $vendor->phone,
+                'tel' => $vendor->tel,
+                'email' => $vendor->email,
+                'address' => $vendor->address,
+                'remark' => $vendor->remark,
+            ];
+        });
+
+        return Inertia::render('Vendor/Index', [
             'vendors' => $vendors,
             'filters' => $request->only(['search', 'sort_field', 'sort_direction', 'per_page']),
         ]);
     }
 
     /**
-     * Display the specified resource.
+     * 顯示指定資源。
      */
-    public function show(Vendor $vendor): \Inertia\Response
+    public function show(Vendor $vendor): Response
     {
         $vendor->load(['products.baseUnit', 'products.largeUnit']);
-        return \Inertia\Inertia::render('Vendor/Show', [
+        
-            'vendor' => $vendor,
+        $formattedVendor = (object) [
-            'products' => \App\Modules\Inventory\Models\Product::with('baseUnit')->get(),
+            'id' => (string) $vendor->id,
+            'code' => $vendor->code,
+            'name' => $vendor->name,
+            'shortName' => $vendor->short_name,
+            'taxId' => $vendor->tax_id,
+            'owner' => $vendor->owner,
+            'contactName' => $vendor->contact_name,
+            'phone' => $vendor->phone,
+            'tel' => $vendor->tel,
+            'email' => $vendor->email,
+            'address' => $vendor->address,
+            'remark' => $vendor->remark,
+            'supplyProducts' => $vendor->products->map(fn($p) => (object) [
+                'id' => (string) $p->pivot->id,
+                'productId' => (string) $p->id,
+                'productName' => $p->name,
+                'unit' => $p->baseUnit?->name ?? 'N/A',
+                'baseUnit' => $p->baseUnit?->name,
+                'largeUnit' => $p->largeUnit?->name,
+                'conversionRate' => (float) $p->conversion_rate,
+                'lastPrice' => (float) $p->pivot->last_price,
+            ]),
+        ];
+
+        return Inertia::render('Vendor/Show', [
+            'vendor' => $formattedVendor,
+            'products' => $this->inventoryService->getAllProducts(), // 使用已有的服務獲取所有商品供選取
         ]);
     }
 
     /**
-     * Store a newly created resource in storage.
+     * 將新建立的資源儲存到儲存體中。
      */
-    public function store(\Illuminate\Http\Request $request)
+    public function store(Request $request)
     {
         $validated = $request->validate([
             'name' => 'required|string|max:255',
@@ -80,7 +129,7 @@ class VendorController extends Controller
             'remark' => 'nullable|string',
         ]);
 
-        // Auto-generate code
+        // 自動產生代碼
         $prefix = 'V';
         $lastVendor = Vendor::latest('id')->first();
         $nextId = $lastVendor ? $lastVendor->id + 1 : 1;
@@ -94,9 +143,9 @@ class VendorController extends Controller
     }
 
     /**
-     * Update the specified resource in storage.
+     * 更新儲存體中的指定資源。
      */
-    public function update(\Illuminate\Http\Request $request, Vendor $vendor)
+    public function update(Request $request, Vendor $vendor)
     {
          $validated = $request->validate([
             'name' => 'required|string|max:255',
@@ -117,7 +166,7 @@ class VendorController extends Controller
     }
 
     /**
-     * Remove the specified resource from storage.
+     * 從儲存體中移除指定資源。
      */
     public function destroy(Vendor $vendor)
     {

app/Modules/Procurement/Controllers/VendorProductController.php

@@ -4,12 +4,16 @@ namespace App\Modules\Procurement\Controllers;
 
 use App\Http\Controllers\Controller;
 use App\Modules\Procurement\Models\Vendor;
-
+use App\Modules\Inventory\Contracts\InventoryServiceInterface;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Log;
 
 class VendorProductController extends Controller
 {
+    public function __construct(
+        protected InventoryServiceInterface $inventoryService
+    ) {}
+
     /**
      * 新增供貨商品 (Attach)
      */
@@ -30,7 +34,7 @@ class VendorProductController extends Controller
         ]);
 
         // 記錄操作
-        $product = \App\Modules\Inventory\Models\Product::find($validated['product_id']);
+        $product = $this->inventoryService->getProduct($validated['product_id']);
         activity()
             ->performedOn($vendor)
             ->withProperties([
@@ -68,7 +72,7 @@ class VendorProductController extends Controller
         ]);
 
         // 記錄操作
-        $product = \App\Modules\Inventory\Models\Product::find($productId);
+        $product = $this->inventoryService->getProduct($productId);
         activity()
             ->performedOn($vendor)
             ->withProperties([
@@ -97,7 +101,7 @@ class VendorProductController extends Controller
     public function destroy(Vendor $vendor, $productId)
     {
         // 記錄操作 (需在 detach 前獲取資訊)
-        $product = \App\Modules\Inventory\Models\Product::find($productId);
+        $product = $this->inventoryService->getProduct($productId);
         $old_price = $vendor->products()->where('product_id', $productId)->first()?->pivot?->last_price;
         
         $vendor->products()->detach($productId);

app/Modules/Procurement/Models/PurchaseOrder.php

@@ -4,8 +4,7 @@ namespace App\Modules\Procurement\Models;
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
-use App\Modules\Inventory\Models\Warehouse;
+
-use App\Modules\Core\Models\User;
 
 class PurchaseOrder extends Model
 {
@@ -14,19 +13,19 @@ class PurchaseOrder extends Model
     use \Spatie\Activitylog\Traits\LogsActivity;
 
     protected $fillable = [
-        'po_number',
+        'code',
         'vendor_id',
         'warehouse_id',
         'user_id',
-        'order_date',
         'expected_delivery_date',
         'status',
         'total_amount',
-        'notes',
+        'tax_amount',
+        'grand_total',
+        'remark',
     ];
 
     protected $casts = [
-        'order_date' => 'date',
         'expected_delivery_date' => 'date',
         'total_amount' => 'decimal:2',
     ];
@@ -43,14 +42,13 @@ class PurchaseOrder extends Model
     {
         $snapshot = $activity->properties['snapshot'] ?? [];
         
-        $snapshot['po_number'] = $this->po_number;
+        $snapshot['po_number'] = $this->code;
         
         if ($this->vendor) {
             $snapshot['vendor_name'] = $this->vendor->name;
         }
-        if ($this->warehouse) {
+        // Warehouse relation removed in Strict Mode. Snapshot should be set via manual hydration if needed, 
-            $snapshot['warehouse_name'] = $this->warehouse->name;
+        // or during the procurement process where warehouse_id is known.
-        }
 
         $activity->properties = $activity->properties->merge([
             'snapshot' => $snapshot
@@ -62,15 +60,9 @@ class PurchaseOrder extends Model
         return $this->belongsTo(Vendor::class);
     }
 
-    public function warehouse(): \Illuminate\Database\Eloquent\Relations\BelongsTo
-    {
-        return $this->belongsTo(Warehouse::class);
-    }
 
-    public function user(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+
-    {
+
-        return $this->belongsTo(User::class);
-    }
 
     public function items(): \Illuminate\Database\Eloquent\Relations\HasMany
     {

app/Modules/Procurement/Models/PurchaseOrderItem.php

@@ -37,8 +37,5 @@ class PurchaseOrderItem extends Model
         return $this->belongsTo(PurchaseOrder::class);
     }
 
-    public function product(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+
-    {
-        return $this->belongsTo(Product::class);
-    }
 }

app/Modules/Procurement/Models/Vendor.php

@@ -16,18 +16,18 @@ class Vendor extends Model
     protected $fillable = [
         'code',
         'name',
-        'contact_person',
+        'short_name',
-        'email',
-        'phone',
-        'address',
         'tax_id',
-        'payment_terms',
+        'owner',
+        'contact_name',
+        'tel',
+        'phone',
+        'email',
+        'address',
+        'remark',
     ];
 
-    public function products(): \Illuminate\Database\Eloquent\Relations\BelongsToMany
+
-    {
-        return $this->belongsToMany(Product::class)->withPivot('last_price')->withTimestamps();
-    }
 
     public function purchaseOrders(): \Illuminate\Database\Eloquent\Relations\HasMany
     {

app/Modules/Procurement/ProcurementServiceProvider.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Modules\Procurement;
+
+use Illuminate\Support\ServiceProvider;
+use App\Modules\Procurement\Contracts\ProcurementServiceInterface;
+use App\Modules\Procurement\Services\ProcurementService;
+
+class ProcurementServiceProvider extends ServiceProvider
+{
+    public function register(): void
+    {
+        $this->app->bind(ProcurementServiceInterface::class, ProcurementService::class);
+    }
+
+    public function boot(): void
+    {
+        //
+    }
+}

app/Modules/Procurement/Services/ProcurementService.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Modules\Procurement\Services;
+
+use App\Modules\Procurement\Contracts\ProcurementServiceInterface;
+use App\Modules\Procurement\Models\PurchaseOrder;
+use Illuminate\Support\Collection;
+
+class ProcurementService implements ProcurementServiceInterface
+{
+    public function getPurchaseOrdersByDate(string $start, string $end, array $statuses = ['received', 'completed']): Collection
+    {
+        return PurchaseOrder::with(['vendor'])
+            ->whereIn('status', $statuses)
+            ->whereBetween('created_at', [$start . ' 00:00:00', $end . ' 23:59:59'])
+            ->get();
+    }
+
+    public function getPurchaseOrdersByIds(array $ids, array $with = []): Collection
+    {
+        return PurchaseOrder::whereIn('id', $ids)->with($with)->get();
+    }
+}

app/Modules/Production/Controllers/ProductionOrderController.php

@@ -4,11 +4,10 @@ namespace App\Modules\Production\Controllers;
 
 use App\Http\Controllers\Controller;
 
-use App\Modules\Inventory\Models\Product;
 use App\Modules\Production\Models\ProductionOrder;
 use App\Modules\Production\Models\ProductionOrderItem;
-use App\Modules\Inventory\Models\Unit;
+use App\Modules\Inventory\Contracts\InventoryServiceInterface;
-use App\Modules\Inventory\Models\Warehouse;
+use App\Modules\Core\Models\User;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
 use Inertia\Inertia;
@@ -16,20 +15,31 @@ use Inertia\Response;
 
 class ProductionOrderController extends Controller
 {
+    protected $inventoryService;
+
+    public function __construct(InventoryServiceInterface $inventoryService)
+    {
+        $this->inventoryService = $inventoryService;
+    }
+
     /**
      * 生產工單列表
      */
     public function index(Request $request): Response
     {
-        $query = ProductionOrder::with(['product', 'warehouse', 'user']);
+        // 不再使用 with()，避免跨模組 Eager Loading
+        $query = ProductionOrder::query();
 
-        // 搜尋
+        // 搜尋 (此處 orWhereHas 暫時保留，因 Laravel query builder 仍可作用於資料表層級，
+        // 但實務上若模組完全隔離，應考慮搜尋引擎或 ID 預選)
         if ($request->filled('search')) {
             $search = $request->search;
             $query->where(function ($q) use ($search) {
                 $q->where('code', 'like', "%{$search}%")
-                  ->orWhere('output_batch_number', 'like', "%{$search}%")
+                  ->orWhere('output_batch_number', 'like', "%{$search}%");
-                  ->orWhereHas('product', fn($pq) => $pq->where('name', 'like', "%{$search}%"));
+                // 若要搜尋產品名稱，現在需先從 Inventory 查出 IDs
+                $productIds = \App\Modules\Inventory\Models\Product::where('name', 'like', "%{$search}%")->pluck('id');
+                $q->orWhereIn('product_id', $productIds);
             });
         }
 
@@ -38,19 +48,29 @@ class ProductionOrderController extends Controller
             $query->where('status', $request->status);
         }
 
-        // 排序
+        // 排除軟刪除
-        $sortField = $request->input('sort_field', 'created_at');
+        $query->orderBy($request->input('sort_field', 'created_at'), $request->input('sort_direction', 'desc'));
-        $sortDirection = $request->input('sort_direction', 'desc');
-        $allowedSorts = ['id', 'code', 'production_date', 'output_quantity', 'created_at'];
-        if (!in_array($sortField, $allowedSorts)) {
-            $sortField = 'created_at';
-        }
-        $query->orderBy($sortField, $sortDirection);
 
         // 分頁
         $perPage = $request->input('per_page', 10);
         $productionOrders = $query->paginate($perPage)->withQueryString();
 
+        // --- 手動資料水和 (Manual Hydration) ---
+        $productIds = $productionOrders->pluck('product_id')->unique()->filter()->toArray();
+        $warehouseIds = $productionOrders->pluck('warehouse_id')->unique()->filter()->toArray();
+        $userIds = $productionOrders->pluck('user_id')->unique()->filter()->toArray();
+
+        $products = $this->inventoryService->getProductsByIds($productIds)->keyBy('id');
+        $warehouses = $this->inventoryService->getAllWarehouses()->whereIn('id', $warehouseIds)->keyBy('id');
+        $users = User::whereIn('id', $userIds)->get()->keyBy('id'); // Core 模組暫由 Model 直接獲取
+
+        $productionOrders->getCollection()->transform(function ($order) use ($products, $warehouses, $users) {
+            $order->product = $products->get($order->product_id);
+            $order->warehouse = $warehouses->get($order->warehouse_id);
+            $order->user = $users->get($order->user_id);
+            return $order;
+        });
+
         return Inertia::render('Production/Index', [
             'productionOrders' => $productionOrders,
             'filters' => $request->only(['search', 'status', 'per_page', 'sort_field', 'sort_direction']),
@@ -63,9 +83,9 @@ class ProductionOrderController extends Controller
     public function create(): Response
     {
         return Inertia::render('Production/Create', [
-            'products' => Product::with(['baseUnit'])->get(),
+            'products' => $this->inventoryService->getAllProducts(),
-            'warehouses' => Warehouse::all(),
+            'warehouses' => $this->inventoryService->getAllWarehouses(),
-            'units' => Unit::all(),
+            'units' => $this->inventoryService->getUnits(),
         ]);
     }
 
@@ -74,56 +94,26 @@ class ProductionOrderController extends Controller
      */
     public function store(Request $request)
     {
-        $status = $request->input('status', 'draft'); // 預設為草稿
+        $status = $request->input('status', 'draft');
 
-        // 共用驗證規則
         $baseRules = [
-            'product_id' => 'required|exists:products,id',
+            'product_id' => 'required',
             'output_batch_number' => 'required|string|max:50',
             'status' => 'nullable|in:draft,completed',
         ];
 
-        // 完成模式需要完整驗證
         $completedRules = [
-            'warehouse_id' => 'required|exists:warehouses,id',
+            'warehouse_id' => 'required',
             'output_quantity' => 'required|numeric|min:0.01',
-            'output_box_count' => 'nullable|string|max:10',
             'production_date' => 'required|date',
-            'expiry_date' => 'nullable|date|after_or_equal:production_date',
-            'remark' => 'nullable|string',
             'items' => 'required|array|min:1',
-            'items.*.inventory_id' => 'required|exists:inventories,id',
+            'items.*.inventory_id' => 'required',
             'items.*.quantity_used' => 'required|numeric|min:0.0001',
-            'items.*.unit_id' => 'nullable|exists:units,id',
         ];
 
-        // 草稿模式的寬鬆規則
+        $rules = $status === 'completed' ? array_merge($baseRules, $completedRules) : $baseRules;
-        $draftRules = [
-            'warehouse_id' => 'nullable|exists:warehouses,id',
-            'output_quantity' => 'nullable|numeric|min:0',
-            'output_box_count' => 'nullable|string|max:10',
-            'production_date' => 'nullable|date',
-            'expiry_date' => 'nullable|date',
-            'remark' => 'nullable|string',
-            'items' => 'nullable|array',
-            'items.*.inventory_id' => 'nullable|exists:inventories,id',
-            'items.*.quantity_used' => 'nullable|numeric|min:0',
-            'items.*.unit_id' => 'nullable|exists:units,id',
-        ];
 
-        $rules = $status === 'completed' 
+        $validated = $request->validate($rules);
-            ? array_merge($baseRules, $completedRules)
-            : array_merge($baseRules, $draftRules);
-
-        $validated = $request->validate($rules, [
-            'product_id.required' => '請選擇成品商品',
-            'output_batch_number.required' => '請輸入成品批號',
-            'warehouse_id.required' => '請選擇入庫倉庫',
-            'output_quantity.required' => '請輸入生產數量',
-            'production_date.required' => '請選擇生產日期',
-            'items.required' => '請至少新增一項原物料',
-            'items.min' => '請至少新增一項原物料',
-        ]);
 
         DB::transaction(function () use ($validated, $request, $status) {
             // 1. 建立生產工單
@@ -133,20 +123,22 @@ class ProductionOrderController extends Controller
                 'warehouse_id' => $validated['warehouse_id'] ?? null,
                 'output_quantity' => $validated['output_quantity'] ?? 0,
                 'output_batch_number' => $validated['output_batch_number'],
-                'output_box_count' => $validated['output_box_count'] ?? null,
+                'output_box_count' => $request->output_box_count,
                 'production_date' => $validated['production_date'] ?? now()->toDateString(),
-                'expiry_date' => $validated['expiry_date'] ?? null,
+                'expiry_date' => $request->expiry_date,
                 'user_id' => auth()->id(),
                 'status' => $status,
-                'remark' => $validated['remark'] ?? null,
+                'remark' => $request->remark,
             ]);
 
-            // 2. 建立明細 (草稿與完成模式皆需儲存)
+            activity()
-            if (!empty($validated['items'])) {
+                ->performedOn($productionOrder)
-                foreach ($validated['items'] as $item) {
+                ->causedBy(auth()->user())
-                    if (empty($item['inventory_id'])) continue;
+                ->log('created');
 
-                    // 建立明細
+            // 2. 處理明細
+            if (!empty($request->items)) {
+                foreach ($request->items as $item) {
                     ProductionOrderItem::create([
                         'production_order_id' => $productionOrder->id,
                         'inventory_id' => $item['inventory_id'],
@@ -154,52 +146,71 @@ class ProductionOrderController extends Controller
                         'unit_id' => $item['unit_id'] ?? null,
                     ]);
 
-                    // 若為完成模式，則扣減原物料庫存
                     if ($status === 'completed') {
-                        $inventory = Inventory::findOrFail($item['inventory_id']);
+                        $this->inventoryService->decreaseInventoryQuantity(
-                        $inventory->decrement('quantity', $item['quantity_used']);
+                            $item['inventory_id'], 
+                            $item['quantity_used'], 
+                            "生產單 #{$productionOrder->code} 耗料",
+                            ProductionOrder::class,
+                            $productionOrder->id
+                        );
                     }
                 }
             }
 
-            // 3. 若為完成模式，執行成品入庫
+            // 3. 成品入庫
             if ($status === 'completed') {
-                $product = Product::findOrFail($validated['product_id']);
+                $this->inventoryService->createInventoryRecord([
-                Inventory::create([
                     'warehouse_id' => $validated['warehouse_id'],
                     'product_id' => $validated['product_id'],
                     'quantity' => $validated['output_quantity'],
                     'batch_number' => $validated['output_batch_number'],
-                    'box_number' => $validated['output_box_count'],
+                    'box_number' => $request->output_box_count,
-                    'origin_country' => 'TW', // 生產預設為本地
                     'arrival_date' => $validated['production_date'],
-                    'expiry_date' => $validated['expiry_date'] ?? null,
+                    'expiry_date' => $request->expiry_date,
-                    'quality_status' => 'normal',
+                    'reason' => "生產單 #{$productionOrder->code} 成品入庫",
+                    'reference_type' => ProductionOrder::class,
+                    'reference_id' => $productionOrder->id,
                 ]);
+
+                activity()
+                    ->performedOn($productionOrder)
+                    ->causedBy(auth()->user())
+                    ->log('completed');
             }
         });
 
-        $message = $status === 'completed' 
-            ? '生產單已建立，原物料已扣減，成品已入庫'
-            : '生產單草稿已儲存';
-
         return redirect()->route('production-orders.index')
-            ->with('success', $message);
+            ->with('success', $status === 'completed' ? '生產單已完成並入庫' : '草稿已儲存');
     }
 
     /**
-     * 檢視生產單詳情（含追溯資訊）
+     * 檢視生產單詳情
      */
     public function show(ProductionOrder $productionOrder): Response
     {
-        $productionOrder->load([
+        // 手動水和主表資料
-            'product.baseUnit',
+        $productionOrder->product = $this->inventoryService->getProduct($productionOrder->product_id);
-            'warehouse',
+        if ($productionOrder->product) {
-            'user',
+            $productionOrder->product->base_unit = $this->inventoryService->getUnits()->where('id', $productionOrder->product->base_unit_id)->first();
-            'items.inventory.product',
+        }
-            'items.inventory.sourcePurchaseOrder.vendor',
+        $productionOrder->warehouse = $this->inventoryService->getWarehouse($productionOrder->warehouse_id);
-            'items.unit',
+        $productionOrder->user = User::find($productionOrder->user_id);
-        ]);
+
+        // 手動水和明細資料
+        $items = $productionOrder->items;
+        $inventoryIds = $items->pluck('inventory_id')->unique()->filter()->toArray();
+        $inventories = $this->inventoryService->getInventoriesByIds(
+            $inventoryIds, 
+            ['product.baseUnit', 'sourcePurchaseOrder.vendor']
+        )->keyBy('id');
+        
+        $units = $this->inventoryService->getUnits()->keyBy('id');
+
+        foreach ($items as $item) {
+            $item->inventory = $inventories->get($item->inventory_id);
+            $item->unit = $units->get($item->unit_id);
+        }
 
         return Inertia::render('Production/Show', [
             'productionOrder' => $productionOrder,
@@ -207,57 +218,67 @@ class ProductionOrderController extends Controller
     }
 
     /**
-     * 取得倉庫內可用庫存（供 BOM 選擇）
+     * 取得倉庫內可用庫存
      */
-    public function getWarehouseInventories(Warehouse $warehouse)
+    public function getWarehouseInventories($warehouseId)
     {
-        $inventories = Inventory::with(['product.baseUnit', 'product.largeUnit'])
+        $inventories = $this->inventoryService->getInventoriesByWarehouse($warehouseId);
-            ->where('warehouse_id', $warehouse->id)
-            ->where('quantity', '>', 0)
-            ->where('quality_status', 'normal')
-            ->orderBy('arrival_date', 'asc') // FIFO：舊的排前面
-            ->get()
-            ->map(function ($inv) {
-                return [
-                    'id' => $inv->id,
-                    'product_id' => $inv->product_id,
-                    'product_name' => $inv->product->name,
-                    'product_code' => $inv->product->code,
-                    'batch_number' => $inv->batch_number,
-                    'box_number' => $inv->box_number,
-                    'quantity' => $inv->quantity,
-                    'arrival_date' => $inv->arrival_date?->format('Y-m-d'),
-                    'expiry_date' => $inv->expiry_date?->format('Y-m-d'),
-                    'unit_name' => $inv->product->baseUnit?->name,
-                    'base_unit_id' => $inv->product->base_unit_id,
-                    'base_unit_name' => $inv->product->baseUnit?->name,
-                    'large_unit_id' => $inv->product->large_unit_id,
-                    'large_unit_name' => $inv->product->largeUnit?->name,
-                    'conversion_rate' => $inv->product->conversion_rate,
-                ];
-            });
         
-        return response()->json($inventories);
+        $data = $inventories->map(function ($inv) {
+            return [
+                'id' => $inv->id,
+                'product_id' => $inv->product_id,
+                'product_name' => $inv->product->name ?? '未知商品',
+                'product_code' => $inv->product->code ?? '',
+                'batch_number' => $inv->batch_number,
+                'box_number' => $inv->box_number,
+                'quantity' => $inv->quantity,
+                'arrival_date' => $inv->arrival_date ? $inv->arrival_date->format('Y-m-d') : null,
+                'expiry_date' => $inv->expiry_date ? $inv->expiry_date->format('Y-m-d') : null,
+                'unit_name' => $inv->product->baseUnit->name ?? '',
+                'base_unit_id' => $inv->product->base_unit_id ?? null,
+                'large_unit_id' => $inv->product->large_unit_id ?? null,
+                'conversion_rate' => $inv->product->conversion_rate ?? 1,
+            ];
+        });
+
+        return response()->json($data);
     }
 
     /**
-     * 編輯生產單（僅限草稿狀態）
+     * 編輯生產單
      */
     public function edit(ProductionOrder $productionOrder): Response
     {
-        // 只有草稿可以編輯
         if ($productionOrder->status !== 'draft') {
             return redirect()->route('production-orders.show', $productionOrder->id)
                 ->with('error', '只有草稿狀態的生產單可以編輯');
         }
 
-        $productionOrder->load(['product', 'warehouse', 'items.inventory.product', 'items.unit']);
+        // 基本水和
+        $productionOrder->product = $this->inventoryService->getProduct($productionOrder->product_id);
+        $productionOrder->warehouse = $this->inventoryService->getWarehouse($productionOrder->warehouse_id);
+        
+        // 手動水和明細資料
+        $items = $productionOrder->items;
+        $inventoryIds = $items->pluck('inventory_id')->unique()->filter()->toArray();
+        $inventories = $this->inventoryService->getInventoriesByIds(
+            $inventoryIds, 
+            ['product.baseUnit']
+        )->keyBy('id');
+        
+        $units = $this->inventoryService->getUnits()->keyBy('id');
+
+        foreach ($items as $item) {
+            $item->inventory = $inventories->get($item->inventory_id);
+            $item->unit = $units->get($item->unit_id);
+        }
 
         return Inertia::render('Production/Edit', [
             'productionOrder' => $productionOrder,
-            'products' => Product::with(['baseUnit'])->get(),
+            'products' => $this->inventoryService->getAllProducts(),
-            'warehouses' => Warehouse::all(),
+            'warehouses' => $this->inventoryService->getAllWarehouses(),
-            'units' => Unit::all(),
+            'units' => $this->inventoryService->getUnits(),
         ]);
     }
 
@@ -266,85 +287,60 @@ class ProductionOrderController extends Controller
      */
     public function update(Request $request, ProductionOrder $productionOrder)
     {
-        // 只有草稿可以編輯
         if ($productionOrder->status !== 'draft') {
-            return redirect()->route('production-orders.show', $productionOrder->id)
+             return redirect()->route('production-orders.show', $productionOrder->id)
-                ->with('error', '只有草稿狀態的生產單可以編輯');
+                ->with('error', '只有草稿可以修改');
         }
 
         $status = $request->input('status', 'draft');
 
-        // 共用驗證規則
+        // 基礎驗證規則
         $baseRules = [
             'product_id' => 'required|exists:products,id',
             'output_batch_number' => 'required|string|max:50',
-            'status' => 'nullable|in:draft,completed',
+            'status' => 'required|in:draft,completed',
+            'remark' => 'nullable|string',
         ];
 
-        // 完成模式需要完整驗證
+        // 完工時的嚴格驗證規則
         $completedRules = [
             'warehouse_id' => 'required|exists:warehouses,id',
             'output_quantity' => 'required|numeric|min:0.01',
-            'output_box_count' => 'nullable|string|max:10',
             'production_date' => 'required|date',
-            'expiry_date' => 'nullable|date|after_or_equal:production_date',
+            'expiry_date' => 'nullable|date',
-            'remark' => 'nullable|string',
             'items' => 'required|array|min:1',
             'items.*.inventory_id' => 'required|exists:inventories,id',
             'items.*.quantity_used' => 'required|numeric|min:0.0001',
-            'items.*.unit_id' => 'nullable|exists:units,id',
         ];
 
-        // 草稿模式的寬鬆規則
+        // 若狀態切換為 completed，需合併驗證規則
-        $draftRules = [
+        $rules = $status === 'completed' ? array_merge($baseRules, $completedRules) : $baseRules;
-            'warehouse_id' => 'nullable|exists:warehouses,id',
-            'output_quantity' => 'nullable|numeric|min:0',
-            'output_box_count' => 'nullable|string|max:10',
-            'production_date' => 'nullable|date',
-            'expiry_date' => 'nullable|date',
-            'remark' => 'nullable|string',
-            'items' => 'nullable|array',
-            'items.*.inventory_id' => 'nullable|exists:inventories,id',
-            'items.*.quantity_used' => 'nullable|numeric|min:0',
-            'items.*.unit_id' => 'nullable|exists:units,id',
-        ];
         
-        $rules = $status === 'completed' 
+        $validated = $request->validate($rules);
-            ? array_merge($baseRules, $completedRules)
-            : array_merge($baseRules, $draftRules);
 
-        $validated = $request->validate($rules, [
+        DB::transaction(function () use ($validated, $request, $status, $productionOrder) {
-            'product_id.required' => '請選擇成品商品',
-            'output_batch_number.required' => '請輸入成品批號',
-            'warehouse_id.required' => '請選擇入庫倉庫',
-            'output_quantity.required' => '請輸入生產數量',
-            'production_date.required' => '請選擇生產日期',
-            'items.required' => '請至少新增一項原物料',
-            'items.min' => '請至少新增一項原物料',
-        ]);
-
-        DB::transaction(function () use ($validated, $status, $productionOrder) {
-            // 更新生產工單基本資料
             $productionOrder->update([
                 'product_id' => $validated['product_id'],
-                'warehouse_id' => $validated['warehouse_id'] ?? null,
+                'warehouse_id' => $validated['warehouse_id'] ?? $productionOrder->warehouse_id,
                 'output_quantity' => $validated['output_quantity'] ?? 0,
                 'output_batch_number' => $validated['output_batch_number'],
-                'output_box_count' => $validated['output_box_count'] ?? null,
+                'output_box_count' => $request->output_box_count,
                 'production_date' => $validated['production_date'] ?? now()->toDateString(),
-                'expiry_date' => $validated['expiry_date'] ?? null,
+                'expiry_date' => $request->expiry_date,
                 'status' => $status,
-                'remark' => $validated['remark'] ?? null,
+                'remark' => $request->remark,
             ]);
 
-            // 刪除舊的明細
+            activity()
+                ->performedOn($productionOrder)
+                ->causedBy(auth()->user())
+                ->log('updated');
+
+            // 重新建立明細
             $productionOrder->items()->delete();
 
-            // 重新建立明細 (草稿與完成模式皆需儲存)
+            if (!empty($request->items)) {
-            if (!empty($validated['items'])) {
+                foreach ($request->items as $item) {
-                foreach ($validated['items'] as $item) {
-                    if (empty($item['inventory_id'])) continue;
-
                     ProductionOrderItem::create([
                         'production_order_id' => $productionOrder->id,
                         'inventory_id' => $item['inventory_id'],
@@ -352,35 +348,63 @@ class ProductionOrderController extends Controller
                         'unit_id' => $item['unit_id'] ?? null,
                     ]);
 
-                    // 若為完成模式，則扣減原物料庫存
                     if ($status === 'completed') {
-                        $inventory = Inventory::findOrFail($item['inventory_id']);
+                        $this->inventoryService->decreaseInventoryQuantity(
-                        $inventory->decrement('quantity', $item['quantity_used']);
+                            $item['inventory_id'], 
+                            $item['quantity_used'], 
+                            "生產單 #{$productionOrder->code} 耗料",
+                            ProductionOrder::class,
+                            $productionOrder->id
+                        );
                     }
                 }
             }
 
-            // 若為完成模式，執行成品入庫
             if ($status === 'completed') {
-                Inventory::create([
+                $this->inventoryService->createInventoryRecord([
                     'warehouse_id' => $validated['warehouse_id'],
                     'product_id' => $validated['product_id'],
                     'quantity' => $validated['output_quantity'],
                     'batch_number' => $validated['output_batch_number'],
-                    'box_number' => $validated['output_box_count'],
+                    'box_number' => $request->output_box_count,
-                    'origin_country' => 'TW',
                     'arrival_date' => $validated['production_date'],
-                    'expiry_date' => $validated['expiry_date'] ?? null,
+                    'expiry_date' => $request->expiry_date,
-                    'quality_status' => 'normal',
+                    'reason' => "生產單 #{$productionOrder->code} 成品入庫",
+                    'reference_type' => ProductionOrder::class,
+                    'reference_id' => $productionOrder->id,
                 ]);
+
+                activity()
+                    ->performedOn($productionOrder)
+                    ->causedBy(auth()->user())
+                    ->log('completed');
             }
         });
 
-        $message = $status === 'completed' 
-            ? '生產單已完成，原物料已扣減，成品已入庫'
-            : '生產單草稿已更新';
-
         return redirect()->route('production-orders.index')
-            ->with('success', $message);
+            ->with('success', '生產單已更新');
+    }
+
+    /**
+     * 刪除生產單
+     */
+    public function destroy(ProductionOrder $productionOrder)
+    {
+        if ($productionOrder->status === 'completed') {
+            return redirect()->back()->with('error', '已完工的生產單無法刪除');
+        }
+
+        DB::transaction(function () use ($productionOrder) {
+            // 紀錄刪除動作 (需在刪除前或使用軟刪除)
+            activity()
+                ->performedOn($productionOrder)
+                ->causedBy(auth()->user())
+                ->log('deleted');
+
+            $productionOrder->items()->delete();
+            $productionOrder->delete();
+        });
+
+        return redirect()->route('production-orders.index')->with('success', '生產單已刪除');
     }
 }

app/Modules/Production/Controllers/RecipeController.php

@@ -0,0 +1,191 @@
+<?php
+
+namespace App\Modules\Production\Controllers;
+
+use App\Http\Controllers\Controller;
+use App\Modules\Production\Models\Recipe;
+use App\Modules\Production\Models\RecipeItem;
+use App\Modules\Inventory\Contracts\InventoryServiceInterface;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
+use Inertia\Inertia;
+use Inertia\Response;
+
+class RecipeController extends Controller
+{
+    protected $inventoryService;
+
+    public function __construct(InventoryServiceInterface $inventoryService)
+    {
+        $this->inventoryService = $inventoryService;
+    }
+
+    /**
+     * 配方列表
+     */
+    public function index(Request $request): Response
+    {
+        $query = Recipe::query();
+
+        if ($request->filled('search')) {
+            $search = $request->search;
+            $query->where(function ($q) use ($search) {
+                $q->where('code', 'like', "%{$search}%")
+                  ->orWhere('name', 'like', "%{$search}%");
+                
+                $productIds = $this->inventoryService->getProductsByName($search)->pluck('id');
+                $q->orWhereIn('product_id', $productIds);
+            });
+        }
+
+        $query->orderBy($request->input('sort_field', 'created_at'), $request->input('sort_direction', 'desc'));
+
+        $recipes = $query->paginate($request->input('per_page', 10))->withQueryString();
+
+        // Manual Hydration
+        $productIds = $recipes->pluck('product_id')->unique()->filter()->toArray();
+        $products = $this->inventoryService->getProductsByIds($productIds)->keyBy('id');
+
+        $recipes->getCollection()->transform(function ($recipe) use ($products) {
+            $recipe->product = $products->get($recipe->product_id);
+            return $recipe;
+        });
+
+        return Inertia::render('Production/Recipe/Index', [
+            'recipes' => $recipes,
+            'filters' => $request->only(['search', 'per_page', 'sort_field', 'sort_direction']),
+        ]);
+    }
+
+    /**
+     * 新增配方表單
+     */
+    public function create(): Response
+    {
+        return Inertia::render('Production/Recipe/Create', [
+            'products' => $this->inventoryService->getAllProducts(),
+            'units' => $this->inventoryService->getUnits(),
+        ]);
+    }
+
+    /**
+     * 儲存配方
+     */
+    public function store(Request $request)
+    {
+        $validated = $request->validate([
+            'product_id' => 'required|exists:products,id',
+            'code' => 'required|string|max:50|unique:recipes,code',
+            'name' => 'required|string|max:255',
+            'description' => 'nullable|string',
+            'yield_quantity' => 'required|numeric|min:0.01',
+            'items' => 'required|array|min:1',
+            'items.*.product_id' => 'required|exists:products,id',
+            'items.*.quantity' => 'required|numeric|min:0.0001',
+            'items.*.unit_id' => 'nullable|exists:units,id',
+            'items.*.remark' => 'nullable|string',
+        ]);
+
+        DB::transaction(function () use ($validated) {
+            $recipe = Recipe::create([
+                'product_id' => $validated['product_id'],
+                'code' => $validated['code'],
+                'name' => $validated['name'],
+                'description' => $validated['description'],
+                'yield_quantity' => $validated['yield_quantity'],
+                'is_active' => true,
+            ]);
+
+            foreach ($validated['items'] as $item) {
+                RecipeItem::create([
+                    'recipe_id' => $recipe->id,
+                    'product_id' => $item['product_id'],
+                    'quantity' => $item['quantity'],
+                    'unit_id' => $item['unit_id'],
+                    'remark' => $item['remark'],
+                ]);
+            }
+        });
+
+        return redirect()->route('recipes.index')->with('success', '配方已建立');
+    }
+
+    /**
+     * 編輯配方表單
+     */
+    public function edit(Recipe $recipe): Response
+    {
+        // Hydrate Product
+        $recipe->product = $this->inventoryService->getProduct($recipe->product_id);
+        
+        // Load items with details
+        $items = $recipe->items;
+        $productIds = $items->pluck('product_id')->unique()->toArray();
+        $products = $this->inventoryService->getProductsByIds($productIds)->keyBy('id');
+        $units = $this->inventoryService->getUnits()->keyBy('id');
+
+        foreach ($items as $item) {
+            $item->product = $products->get($item->product_id);
+            $item->unit = $units->get($item->unit_id);
+        }
+
+        return Inertia::render('Production/Recipe/Edit', [
+            'recipe' => $recipe,
+            'products' => $this->inventoryService->getAllProducts(),
+            'units' => $this->inventoryService->getUnits(),
+        ]);
+    }
+
+    /**
+     * 更新配方
+     */
+    public function update(Request $request, Recipe $recipe)
+    {
+        $validated = $request->validate([
+            'product_id' => 'required|exists:products,id',
+            'code' => 'required|string|max:50|unique:recipes,code,' . $recipe->id,
+            'name' => 'required|string|max:255',
+            'description' => 'nullable|string',
+            'yield_quantity' => 'required|numeric|min:0.01',
+            'items' => 'required|array|min:1',
+            'items.*.product_id' => 'required|exists:products,id',
+            'items.*.quantity' => 'required|numeric|min:0.0001',
+            'items.*.unit_id' => 'nullable|exists:units,id',
+            'items.*.remark' => 'nullable|string',
+        ]);
+
+        DB::transaction(function () use ($validated, $recipe) {
+            $recipe->update([
+                'product_id' => $validated['product_id'],
+                'code' => $validated['code'],
+                'name' => $validated['name'],
+                'description' => $validated['description'],
+                'yield_quantity' => $validated['yield_quantity'],
+            ]);
+
+            // Sync items (Delete all and recreate)
+            $recipe->items()->delete();
+
+            foreach ($validated['items'] as $item) {
+                RecipeItem::create([
+                    'recipe_id' => $recipe->id,
+                    'product_id' => $item['product_id'],
+                    'quantity' => $item['quantity'],
+                    'unit_id' => $item['unit_id'],
+                    'remark' => $item['remark'],
+                ]);
+            }
+        });
+
+        return redirect()->route('recipes.index')->with('success', '配方已更新');
+    }
+
+    /**
+     * 刪除配方
+     */
+    public function destroy(Recipe $recipe)
+    {
+        $recipe->delete();
+        return redirect()->back()->with('success', '配方已刪除');
+    }
+}

app/Modules/Production/Models/ProductionOrder.php

@@ -4,14 +4,12 @@ namespace App\Modules\Production\Models;
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
-use App\Modules\Inventory\Models\Product;
+use Spatie\Activitylog\Traits\LogsActivity;
-use App\Modules\Inventory\Models\Warehouse;
+use Spatie\Activitylog\LogOptions;
-use App\Modules\Core\Models\User;
 
 class ProductionOrder extends Model
 {
-    /** @use HasFactory<\Database\Factories\ProductionOrderFactory> */
+    use HasFactory, LogsActivity;
-    use HasFactory;
 
     protected $fillable = [
         'code',
@@ -27,6 +25,38 @@ class ProductionOrder extends Model
         'remark',
     ];
 
+    protected $casts = [
+        'production_date' => 'date',
+        'expiry_date' => 'date',
+        'output_quantity' => 'decimal:2',
+    ];
+
+    public function getActivitylogOptions(): LogOptions
+    {
+        return LogOptions::defaults()
+            ->logOnly([
+                'code',
+                'status',
+                'output_quantity',
+                'output_batch_number',
+                'production_date',
+                'remark'
+            ])
+            ->logOnlyDirty()
+            ->dontSubmitEmptyLogs()
+            ->setDescriptionForEvent(fn(string $eventName) => "生產工單已{$this->getEventDescription($eventName)}");
+    }
+
+    protected function getEventDescription($eventName): string
+    {
+        return match ($eventName) {
+            'created' => '建立',
+            'updated' => '更新',
+            'deleted' => '刪除',
+            default => $eventName,
+        };
+    }
+
     public static function generateCode()
     {
         $prefix = 'PO' . now()->format('Ymd');
@@ -40,27 +70,28 @@ class ProductionOrder extends Model
         return $prefix . $sequence;
     }
 
-    protected $casts = [
+    /**
-        'order_date' => 'date',
+     * @deprecated 使用 InventoryServiceInterface 獲取產品資訊
-        'start_date' => 'datetime',
+     */
-        'completion_date' => 'datetime',
+    public function product()
-        'quantity' => 'decimal:2',
-        'produced_quantity' => 'decimal:2',
-    ];
-
-    public function product(): \Illuminate\Database\Eloquent\Relations\BelongsTo
     {
-        return $this->belongsTo(Product::class);
+        return null;
     }
 
-    public function warehouse(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+    /**
+     * @deprecated 使用 InventoryServiceInterface 獲取倉庫資訊
+     */
+    public function warehouse()
     {
-        return $this->belongsTo(Warehouse::class);
+        return null;
     }
 
-    public function user(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+    /**
+     * @deprecated 使用 CoreServiceInterface 獲取使用者資訊
+     */
+    public function user()
     {
-        return $this->belongsTo(User::class);
+        return null;
     }
 
     public function items(): \Illuminate\Database\Eloquent\Relations\HasMany

app/Modules/Production/Models/ProductionOrderItem.php

@@ -22,14 +22,20 @@ class ProductionOrderItem extends Model
         'quantity_used' => 'decimal:4',
     ];
 
+    /**
+     * @deprecated 使用 InventoryServiceInterface 獲取庫存資訊
+     */
     public function inventory()
     {
-        return $this->belongsTo(\App\Modules\Inventory\Models\Inventory::class);
+        return null;
     }
 
+    /**
+     * @deprecated 
+     */
     public function unit()
     {
-        return $this->belongsTo(\App\Modules\Inventory\Models\Unit::class);
+        return null;
     }
 
     public function productionOrder(): \Illuminate\Database\Eloquent\Relations\BelongsTo
@@ -37,8 +43,11 @@ class ProductionOrderItem extends Model
         return $this->belongsTo(ProductionOrder::class);
     }
 
-    public function product(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+    /**
+     * @deprecated 使用 InventoryServiceInterface 獲取產品資訊
+     */
+    public function product()
     {
-        return $this->belongsTo(Product::class);
+        return null;
     }
 }

app/Modules/Production/Models/Recipe.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Modules\Production\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+
+class Recipe extends Model
+{
+    use HasFactory, SoftDeletes;
+
+    protected $fillable = [
+        'product_id',
+        'code',
+        'name',
+        'description',
+        'yield_quantity',
+        'is_active',
+    ];
+
+    protected $casts = [
+        'yield_quantity' => 'decimal:2',
+        'is_active' => 'boolean',
+    ];
+
+
+
+    public function items()
+    {
+        return $this->hasMany(RecipeItem::class);
+    }
+}

app/Modules/Production/Models/RecipeItem.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Modules\Production\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+
+class RecipeItem extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'recipe_id',
+        'product_id',
+        'quantity',
+        'unit_id',
+        'remark',
+    ];
+
+    protected $casts = [
+        'quantity' => 'decimal:4',
+    ];
+
+    public function recipe()
+    {
+        return $this->belongsTo(Recipe::class);
+    }
+
+
+}

app/Modules/Production/Routes/web.php

@@ -2,8 +2,12 @@
 
 use Illuminate\Support\Facades\Route;
 use App\Modules\Production\Controllers\ProductionOrderController;
+use App\Modules\Production\Controllers\RecipeController;
 
 Route::middleware('auth')->group(function () {
+    // 配方管理
+    Route::resource('recipes', RecipeController::class);
+
     // 生產管理
     Route::middleware('permission:production_orders.view')->group(function () {
         Route::get('/production-orders', [ProductionOrderController::class, 'index'])->name('production-orders.index');

app/Modules/Shared/Contracts/ServiceInterface.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace App\Modules\Shared\Contracts;
+
+/**
+ * Base Service Interface
+ * 所有模組的 Service 都應繼承此介面 (若有通用方法)
+ */
+interface ServiceInterface
+{
+    // Future common methods
+}

app/Modules/Shared/SharedServiceProvider.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Modules\Shared;
+
+use Illuminate\Support\ServiceProvider;
+
+class SharedServiceProvider extends ServiceProvider
+{
+    public function register(): void
+    {
+        // Register shared services or repositories here
+    }
+
+    public function boot(): void
+    {
+        //
+    }
+}

app/Providers/ModuleServiceProvider.php

@@ -28,12 +28,20 @@ class ModuleServiceProvider extends ServiceProvider
 
             foreach ($modules as $module) {
                 // $moduleName = basename($module);
+                // Load Routes
                 $routesPath = $module . '/Routes/web.php';
-
                 if (File::exists($routesPath)) {
                     Route::middleware('web')
                         ->group($routesPath);
                 }
+
+                // Load Service Provider
+                $moduleName = basename($module);
+                $providerClass = "App\\Modules\\{$moduleName}\\{$moduleName}ServiceProvider";
+                
+                if (class_exists($providerClass)) {
+                    $this->app->register($providerClass);
+                }
             }
         }
     }

database/factories/UserFactory.php

@@ -11,6 +11,13 @@ use Illuminate\Support\Str;
  */
 class UserFactory extends Factory
 {
+    /**
+     * The name of the factory's corresponding model.
+     *
+     * @var string
+     */
+    protected $model = \App\Modules\Core\Models\User::class;
+
     /**
      * The current password being used by the factory.
      */
@@ -25,6 +32,7 @@ class UserFactory extends Factory
     {
         return [
             'name' => fake()->name(),
+            'username' => fake()->unique()->userName(),
             'email' => fake()->unique()->safeEmail(),
             'email_verified_at' => now(),
             'password' => static::$password ??= Hash::make('password'),

database/migrations/tenant/2026_01_26_000001_create_recipes_tables.php

@@ -0,0 +1,45 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('recipes', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('product_id')->constrained('products')->onDelete('cascade')->comment('連結的成品商品 ID');
+            $table->string('code')->unique()->comment('配方代號');
+            $table->string('name')->comment('配方名稱');
+            $table->text('description')->nullable()->comment('配方描述');
+            $table->decimal('yield_quantity', 10, 2)->default(1.00)->comment('標準產出數量');
+            $table->boolean('is_active')->default(true)->comment('是否啟用');
+            $table->timestamps();
+            $table->softDeletes();
+        });
+
+        Schema::create('recipe_items', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('recipe_id')->constrained('recipes')->onDelete('cascade');
+            $table->foreignId('product_id')->constrained('products')->comment('原物料商品 ID');
+            $table->decimal('quantity', 10, 4)->comment('標準用量');
+            $table->foreignId('unit_id')->nullable()->constrained('units')->comment('單位 ID');
+            $table->string('remark')->nullable()->comment('備註');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('recipe_items');
+        Schema::dropIfExists('recipes');
+    }
+};

database/migrations/tenant/2026_01_26_000002_add_recipe_permissions.php

@@ -0,0 +1,68 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Spatie\Permission\Models\Permission;
+use Spatie\Permission\Models\Role;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     * 
+     * 新增配方管理權限
+     */
+    public function up(): void
+    {
+        $guard = 'web';
+        
+        // 建立配方管理權限
+        $permissions = [
+            'recipes.view' => '檢視配方',
+            'recipes.create' => '建立配方',
+            'recipes.edit' => '編輯配方',
+            'recipes.delete' => '刪除配方',
+        ];
+
+        foreach ($permissions as $name => $description) {
+            Permission::firstOrCreate(
+                ['name' => $name, 'guard_name' => $guard],
+                ['name' => $name, 'guard_name' => $guard]
+            );
+        }
+
+        // 授予 super-admin 所有新權限
+        $superAdmin = Role::where('name', 'super-admin')->first();
+        if ($superAdmin) {
+            $superAdmin->givePermissionTo(array_keys($permissions));
+        }
+
+        // 授予 admin 所有新權限
+        $admin = Role::where('name', 'admin')->first();
+        if ($admin) {
+            $admin->givePermissionTo(array_keys($permissions));
+        }
+
+        // 授予 warehouse-manager 檢視權限 (配方通常與庫存相關)
+        $whManager = Role::where('name', 'warehouse-manager')->first();
+        if ($whManager) {
+            $whManager->givePermissionTo(['recipes.view']);
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        $permissions = [
+            'recipes.view',
+            'recipes.create',
+            'recipes.edit',
+            'recipes.delete',
+        ];
+
+        foreach ($permissions as $name) {
+            Permission::where('name', $name)->delete();
+        }
+    }
+};

database/migrations/tenant/2026_01_26_141823_add_is_sellable_to_warehouses_table.php

@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('warehouses', function (Blueprint $table) {
+            $table->boolean('is_sellable')->default(true)->after('description')->comment('是否可銷售');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('warehouses', function (Blueprint $table) {
+            $table->dropColumn('is_sellable');
+        });
+    }
+};

database/seeders/UnitSeeder.php

@@ -13,21 +13,21 @@ class UnitSeeder extends Seeder
     public function run(): void
     {
         $units = [
-            ['name' => '個', 'code' => 'pc'],
+            ['name' => '個', 'code' => 'PCE'], // Piece
-            ['name' => '箱', 'code' => 'box'],
+            ['name' => '箱', 'code' => 'BX'],  // Box
-            ['name' => '瓶', 'code' => 'btl'],
+            ['name' => '瓶', 'code' => 'BO'],  // Bottle
-            ['name' => '包', 'code' => 'pkg'],
+            ['name' => '包', 'code' => 'PK'],  // Package
-            ['name' => '公斤', 'code' => 'kg'],
+            ['name' => '公斤', 'code' => 'KGM'], // Kilogram
-            ['name' => '公克', 'code' => 'g'],
+            ['name' => '公克', 'code' => 'GRM'], // Gram
-            ['name' => '公升', 'code' => 'l'],
+            ['name' => '公升', 'code' => 'LTR'], // Litre
-            ['name' => '毫升', 'code' => 'ml'],
+            ['name' => '毫升', 'code' => 'MLT'], // Millilitre
-            ['name' => '籃', 'code' => 'bsk'],
+            ['name' => '籃', 'code' => 'BK'],  // Basket
-            ['name' => '桶', 'code' => 'bucket'],
+            ['name' => '桶', 'code' => 'BJ'],  // Bucket
-            ['name' => '罐', 'code' => 'can'],
+            ['name' => '罐', 'code' => 'CA'],  // Can
         ];
 
         foreach ($units as $unit) {
-            Unit::firstOrCreate(
+            Unit::updateOrCreate(
                 ['name' => $unit['name']],
                 ['code' => $unit['code']]
             );

lang/zh_TW.json

@@ -0,0 +1,164 @@
+{
+    "accepted": ":attribute 必須接受。",
+    "active_url": ":attribute 並非一個有效的網址。",
+    "after": ":attribute 必須在 :date 之後。",
+    "after_or_equal": ":attribute 必須在 :date 之後或相等。",
+    "alpha": ":attribute 只能由字母組成。",
+    "alpha_dash": ":attribute 只能由字母、數字、破折號與底線組成。",
+    "alpha_num": ":attribute 只能由字母與數字組成。",
+    "array": ":attribute 必須是一個陣列。",
+    "before": ":attribute 必須在 :date 之前。",
+    "before_or_equal": ":attribute 必須在 :date 之前或相等。",
+    "between": {
+        "numeric": ":attribute 必須介於 :min 至 :max 之間。",
+        "file": ":attribute 必須介於 :min 至 :max KB 之間。",
+        "string": ":attribute 必須介於 :min 至 :max 個字元之間。",
+        "array": ":attribute 必須介於 :min 至 :max 個項目之間。"
+    },
+    "boolean": ":attribute 必須為布林值。",
+    "confirmed": ":attribute 確認欄位不一致。",
+    "date": ":attribute 並非一個有效的日期。",
+    "date_equals": ":attribute 必須等於 :date。",
+    "date_format": ":attribute 不符合 :format 的格式。",
+    "different": ":attribute 與 :other 必須不同。",
+    "digits": ":attribute 必須是 :digits 位數字。",
+    "digits_between": ":attribute 必須介於 :min 至 :max 位數字之間。",
+    "dimensions": ":attribute 圖片尺寸不正確。",
+    "distinct": ":attribute 已經存在。",
+    "email": ":attribute 必須是一個有效的電子郵件地址。",
+    "ends_with": ":attribute 結尾必須包含下列之一：:values。",
+    "exists": "所選的 :attribute 選項無效。",
+    "file": ":attribute 必須是一個檔案。",
+    "filled": ":attribute 屬性是必填的。",
+    "gt": {
+        "numeric": ":attribute 必須大於 :value。",
+        "file": ":attribute 必須大於 :value KB。",
+        "string": ":attribute 必須多於 :value 個字元。",
+        "array": ":attribute 必須多於 :value 個項目。"
+    },
+    "gte": {
+        "numeric": ":attribute 必須大於或等於 :value。",
+        "file": ":attribute 必須大於或等於 :value KB。",
+        "string": ":attribute 必須多於或等於 :value 個字元。",
+        "array": ":attribute 必須多於或等於 :value 個項目。"
+    },
+    "image": ":attribute 必須是一張圖片。",
+    "in": "所選的 :attribute 選項無效。",
+    "in_array": ":attribute 沒有在 :other 中。",
+    "integer": ":attribute 必須是一個整數。",
+    "ip": ":attribute 必須是一個有效的 IP 地址。",
+    "ipv4": ":attribute 必須是一個有效的 IPv4 地址。",
+    "ipv6": ":attribute 必須是一個有效的 IPv6 地址。",
+    "json": ":attribute 必須是一個有效的 JSON 字串。",
+    "lt": {
+        "numeric": ":attribute 必須小於 :value。",
+        "file": ":attribute 必須小於 :value KB。",
+        "string": ":attribute 必須少於 :value 個字元。",
+        "array": ":attribute 必須少於 :value 個項目。"
+    },
+    "lte": {
+        "numeric": ":attribute 必須小於或等於 :value。",
+        "file": ":attribute 必須小於或等於 :value KB。",
+        "string": ":attribute 必須少於或等於 :value 個字元。",
+        "array": ":attribute 必須少於或等於 :value 個項目。"
+    },
+    "max": {
+        "numeric": ":attribute 不能大於 :max。",
+        "file": ":attribute 不能大於 :max KB。",
+        "string": ":attribute 不能多於 :max 個字元。",
+        "array": ":attribute 最多有 :max 個項目。"
+    },
+    "mimes": ":attribute 必須是一個 :values 格式的檔案。",
+    "mimetypes": ":attribute 必須是一個 :values 格式的檔案。",
+    "min": {
+        "numeric": ":attribute 不能小於 :min。",
+        "file": ":attribute 不能小於 :min KB。",
+        "string": ":attribute 不能少於 :min 個字元。",
+        "array": ":attribute 至少有 :min 個項目。"
+    },
+    "multiple_of": ":attribute 必須為 :value 的倍數。",
+    "not_in": "所選的 :attribute 選項無效。",
+    "not_regex": ":attribute 的格式錯誤。",
+    "numeric": ":attribute 必須是一個數字。",
+    "password": "密碼錯誤。",
+    "present": ":attribute 必須存在。",
+    "regex": ":attribute 的格式錯誤。",
+    "required": ":attribute 欄位必填。",
+    "required_if": "當 :other 是 :value 時，:attribute 欄位必填。",
+    "required_unless": "當 :other 不是 :value 時，:attribute 欄位必填。",
+    "required_with": "當 :values 出現時，:attribute 欄位必填。",
+    "required_with_all": "當 :values 出現時，:attribute 欄位必填。",
+    "required_without": "當 :values 留空時，:attribute 欄位必填。",
+    "required_without_all": "當 :values 留空時，:attribute 欄位必填。",
+    "same": ":attribute 與 :other 必須相同。",
+    "size": {
+        "numeric": ":attribute 的大小必須是 :size。",
+        "file": ":attribute 的大小必須是 :size KB。",
+        "string": ":attribute 必須是 :size 個字元。",
+        "array": ":attribute 必須包含 :size 個項目。"
+    },
+    "starts_with": ":attribute 開頭必須包含下列之一：:values。",
+    "string": ":attribute 必須是一個字串。",
+    "timezone": ":attribute 必須是一個有效的時區。",
+    "unique": ":attribute 已經存在。",
+    "uploaded": ":attribute 上傳失敗。",
+    "url": ":attribute 的格式錯誤。",
+    "uuid": ":attribute 必須是一個有效的 UUID。",
+    "auth.failed": "帳號或密碼錯誤。",
+    "auth.password": "密碼錯誤。",
+    "auth.throttle": "嘗試登入次數過多，請在 :seconds 秒後再試。",
+    "passwords.reset": "密碼已重設！",
+    "passwords.sent": "密碼重設連結已發送！",
+    "passwords.throttled": "請稍候再試。",
+    "passwords.token": "密碼重設連結已失效。",
+    "passwords.user": "找不到該電子郵件地址的使用者。",
+    "attributes": {
+        "name": "名稱",
+        "username": "使用者名稱",
+        "email": "電子郵件",
+        "first_name": "名",
+        "last_name": "姓",
+        "password": "密碼",
+        "password_confirmation": "確認密碼",
+        "city": "城市",
+        "country": "國家",
+        "address": "地址",
+        "phone": "電話",
+        "mobile": "手機",
+        "age": "年齡",
+        "sex": "性別",
+        "gender": "性別",
+        "day": "天",
+        "month": "月",
+        "year": "年",
+        "hour": "時",
+        "minute": "分",
+        "second": "秒",
+        "title": "標題",
+        "content": "內容",
+        "description": "描述",
+        "excerpt": "摘要",
+        "date": "日期",
+        "time": "時間",
+        "available": "可用的",
+        "size": "大小",
+        "product_id": "商品",
+        "vendor_id": "供應商",
+        "warehouse_id": "倉庫",
+        "unit_id": "單位",
+        "items": "明細項目",
+        "quantity": "數量",
+        "yield_quantity": "標準產出量",
+        "production_date": "生產日期",
+        "output_batch_number": "成品批號",
+        "output_quantity": "生產數量",
+        "source_warehouse_id": "來源倉庫",
+        "target_warehouse_id": "目標倉庫",
+        "expected_delivery_date": "預計到貨日期",
+        "invoice_number": "發票號碼",
+        "invoice_date": "發票日期",
+        "invoice_amount": "發票金額",
+        "tax_amount": "稅額",
+        "remark": "備註"
+    }
+}

lang/zh_TW/auth.php

@@ -0,0 +1,166 @@
+<?php
+
+return [
+    'accepted'        => ':attribute 必須接受。',
+    'active_url'      => ':attribute 並非一個有效的網址。',
+    'after'           => ':attribute 必須在 :date 之後。',
+    'after_or_equal'  => ':attribute 必須在 :date 之後或相等。',
+    'alpha'           => ':attribute 只能由字母組成。',
+    'alpha_dash'      => ':attribute 只能由字母、數字、破折號與底線組成。',
+    'alpha_num'       => ':attribute 只能由字母與數字組成。',
+    'array'           => ':attribute 必須是一個陣列。',
+    'before'          => ':attribute 必須在 :date 之前。',
+    'before_or_equal' => ':attribute 必須在 :date 之前或相等。',
+    'between'         => [
+        'numeric' => ':attribute 必須介於 :min 至 :max 之間。',
+        'file'    => ':attribute 必須介於 :min 至 :max KB 之間。',
+        'string'  => ':attribute 必須介於 :min 至 :max 個字元之間。',
+        'array'   => ':attribute 必須介於 :min 至 :max 個項目之間。',
+    ],
+    'boolean'        => ':attribute 必須為布林值。',
+    'confirmed'      => ':attribute 確認欄位不一致。',
+    'date'           => ':attribute 並非一個有效的日期。',
+    'date_equals'    => ':attribute 必須等於 :date。',
+    'date_format'    => ':attribute 不符合 :format 的格式。',
+    'different'      => ':attribute 與 :other 必須不同。',
+    'digits'         => ':attribute 必須是 :digits 位數字。',
+    'digits_between' => ':attribute 必須介於 :min 至 :max 位數字之間。',
+    'dimensions'     => ':attribute 圖片尺寸不正確。',
+    'distinct'       => ':attribute 已經存在。',
+    'email'          => ':attribute 必須是一個有效的電子郵件地址。',
+    'ends_with'      => ':attribute 結尾必須包含下列之一：:values。',
+    'exists'         => '所選的 :attribute 選項無效。',
+    'file'           => ':attribute 必須是一個檔案。',
+    'filled'         => ':attribute 屬性是必填的。',
+    'gt'             => [
+        'numeric' => ':attribute 必須大於 :value。',
+        'file'    => ':attribute 必須大於 :value KB。',
+        'string'  => ':attribute 必須多於 :value 個字元。',
+        'array'   => ':attribute 必須多於 :value 個項目。',
+    ],
+    'gte' => [
+        'numeric' => ':attribute 必須大於或等於 :value。',
+        'file'    => ':attribute 必須大於或等於 :value KB。',
+        'string'  => ':attribute 必須多於或等於 :value 個字元。',
+        'array'   => ':attribute 必須多於或等於 :value 個項目。',
+    ],
+    'image'    => ':attribute 必須是一張圖片。',
+    'in'       => '所選的 :attribute 選項無效。',
+    'in_array' => ':attribute 沒有在 :other 中。',
+    'integer'  => ':attribute 必須是一個整數。',
+    'ip'       => ':attribute 必須是一個有效的 IP 地址。',
+    'ipv4'     => ':attribute 必須是一個有效的 IPv4 地址。',
+    'ipv6'     => ':attribute 必須是一個有效的 IPv6 地址。',
+    'json'     => ':attribute 必須是一個有效的 JSON 字串。',
+    'lt'       => [
+        'numeric' => ':attribute 必須小於 :value。',
+        'file'    => ':attribute 必須小於 :value KB。',
+        'string'  => ':attribute 必須少於 :value 個字元。',
+        'array'   => ':attribute 必須少於 :value 個項目。',
+    ],
+    'lte' => [
+        'numeric' => ':attribute 必須小於或等於 :value。',
+        'file'    => ':attribute 必須小於或等於 :value KB。',
+        'string'  => ':attribute 必須少於或等於 :value 個字元。',
+        'array'   => ':attribute 必須少於或等於 :value 個項目。',
+    ],
+    'max' => [
+        'numeric' => ':attribute 不能大於 :max。',
+        'file'    => ':attribute 不能大於 :max KB。',
+        'string'  => ':attribute 不能多於 :max 個字元。',
+        'array'   => ':attribute 最多有 :max 個項目。',
+    ],
+    'mimes'     => ':attribute 必須是一個 :values 格式的檔案。',
+    'mimetypes' => ':attribute 必須是一個 :values 格式的檔案。',
+    'min'       => [
+        'numeric' => ':attribute 不能小於 :min。',
+        'file'    => ':attribute 不能小於 :min KB。',
+        'string'  => ':attribute 不能少於 :min 個字元。',
+        'array'   => ':attribute 至少有 :min 個項目。',
+    ],
+    'multiple_of' => ':attribute 必須為 :value 的倍數。',
+    'not_in'      => '所選的 :attribute 選項無效。',
+    'not_regex'   => ':attribute 的格式錯誤。',
+    'numeric'     => ':attribute 必須是一個數字。',
+    'password'    => '密碼錯誤。',
+    'present'     => ':attribute 必須存在。',
+    'regex'       => ':attribute 的格式錯誤。',
+    'required'    => ':attribute 欄位必填。',
+    'required_if'   => '當 :other 是 :value 時，:attribute 欄位必填。',
+    'required_unless' => '當 :other 不是 :value 時，:attribute 欄位必填。',
+    'required_with'   => '當 :values 出現時，:attribute 欄位必填。',
+    'required_with_all' => '當 :values 出現時，:attribute 欄位必填。',
+    'required_without'  => '當 :values 留空時，:attribute 欄位必填。',
+    'required_without_all' => '當 :values 留空時，:attribute 欄位必填。',
+    'same'                 => ':attribute 與 :other 必須相同。',
+    'size'                 => [
+        'numeric' => ':attribute 的大小必須是 :size。',
+        'file'    => ':attribute 的大小必須是 :size KB。',
+        'string'  => ':attribute 必須是 :size 個字元。',
+        'array'   => ':attribute 必須包含 :size 個項目。',
+    ],
+    'starts_with' => ':attribute 開頭必須包含下列之一：:values。',
+    'string'      => ':attribute 必須是一個字串。',
+    'timezone'    => ':attribute 必須是一個有效的時區。',
+    'unique'      => ':attribute 已經存在。',
+    'uploaded'    => ':attribute 上傳失敗。',
+    'url'         => ':attribute 的格式錯誤。',
+    'uuid'        => ':attribute 必須是一個有效的 UUID。',
+
+    'custom' => [
+        'attribute-name' => [
+            'rule-name' => 'custom-message',
+        ],
+    ],
+
+    'attributes' => [
+        'name'                   => '名稱',
+        'username'               => '使用者名稱',
+        'email'                  => '電子郵件',
+        'first_name'             => '名',
+        'last_name'              => '姓',
+        'password'               => '密碼',
+        'password_confirmation'  => '確認密碼',
+        'city'                   => '城市',
+        'country'                => '國家',
+        'address'                => '地址',
+        'phone'                  => '電話',
+        'mobile'                 => '手機',
+        'age'                    => '年齡',
+        'sex'                    => '性別',
+        'gender'                 => '性別',
+        'day'                    => '天',
+        'month'                  => '月',
+        'year'                   => '年',
+        'hour'                   => '時',
+        'minute'                 => '分',
+        'second'                 => '秒',
+        'title'                  => '標題',
+        'content'                => '內容',
+        'description'            => '描述',
+        'excerpt'                => '摘要',
+        'date'                   => '日期',
+        'time'                   => '時間',
+        'available'              => '可用的',
+        'size'                   => '大小',
+        'product_id'             => '商品',
+        'vendor_id'              => '供應商',
+        'warehouse_id'           => '倉庫',
+        'unit_id'                => '單位',
+        'items'                  => '明細項目',
+        'quantity'               => '數量',
+        'yield_quantity'         => '標準產出量',
+        'production_date'        => '生產日期',
+        'output_batch_number'    => '成品批號',
+        'output_quantity'        => '生產數量',
+        'source_warehouse_id'    => '來源倉庫',
+        'target_warehouse_id'    => '目標倉庫',
+        'expected_delivery_date' => '預計到貨日期',
+        'invoice_number'         => '發票號碼',
+        'invoice_date'           => '發票日期',
+        'invoice_amount'         => '發票金額',
+        'tax_amount'             => '稅額',
+        'remark'                 => '備註',
+        'code'                   => '代號',
+    ],
+];

lang/zh_TW/pagination.php

@@ -0,0 +1,166 @@
+<?php
+
+return [
+    'accepted'        => ':attribute 必須接受。',
+    'active_url'      => ':attribute 並非一個有效的網址。',
+    'after'           => ':attribute 必須在 :date 之後。',
+    'after_or_equal'  => ':attribute 必須在 :date 之後或相等。',
+    'alpha'           => ':attribute 只能由字母組成。',
+    'alpha_dash'      => ':attribute 只能由字母、數字、破折號與底線組成。',
+    'alpha_num'       => ':attribute 只能由字母與數字組成。',
+    'array'           => ':attribute 必須是一個陣列。',
+    'before'          => ':attribute 必須在 :date 之前。',
+    'before_or_equal' => ':attribute 必須在 :date 之前或相等。',
+    'between'         => [
+        'numeric' => ':attribute 必須介於 :min 至 :max 之間。',
+        'file'    => ':attribute 必須介於 :min 至 :max KB 之間。',
+        'string'  => ':attribute 必須介於 :min 至 :max 個字元之間。',
+        'array'   => ':attribute 必須介於 :min 至 :max 個項目之間。',
+    ],
+    'boolean'        => ':attribute 必須為布林值。',
+    'confirmed'      => ':attribute 確認欄位不一致。',
+    'date'           => ':attribute 並非一個有效的日期。',
+    'date_equals'    => ':attribute 必須等於 :date。',
+    'date_format'    => ':attribute 不符合 :format 的格式。',
+    'different'      => ':attribute 與 :other 必須不同。',
+    'digits'         => ':attribute 必須是 :digits 位數字。',
+    'digits_between' => ':attribute 必須介於 :min 至 :max 位數字之間。',
+    'dimensions'     => ':attribute 圖片尺寸不正確。',
+    'distinct'       => ':attribute 已經存在。',
+    'email'          => ':attribute 必須是一個有效的電子郵件地址。',
+    'ends_with'      => ':attribute 結尾必須包含下列之一：:values。',
+    'exists'         => '所選的 :attribute 選項無效。',
+    'file'           => ':attribute 必須是一個檔案。',
+    'filled'         => ':attribute 屬性是必填的。',
+    'gt'             => [
+        'numeric' => ':attribute 必須大於 :value。',
+        'file'    => ':attribute 必須大於 :value KB。',
+        'string'  => ':attribute 必須多於 :value 個字元。',
+        'array'   => ':attribute 必須多於 :value 個項目。',
+    ],
+    'gte' => [
+        'numeric' => ':attribute 必須大於或等於 :value。',
+        'file'    => ':attribute 必須大於或等於 :value KB。',
+        'string'  => ':attribute 必須多於或等於 :value 個字元。',
+        'array'   => ':attribute 必須多於或等於 :value 個項目。',
+    ],
+    'image'    => ':attribute 必須是一張圖片。',
+    'in'       => '所選的 :attribute 選項無效。',
+    'in_array' => ':attribute 沒有在 :other 中。',
+    'integer'  => ':attribute 必須是一個整數。',
+    'ip'       => ':attribute 必須是一個有效的 IP 地址。',
+    'ipv4'     => ':attribute 必須是一個有效的 IPv4 地址。',
+    'ipv6'     => ':attribute 必須是一個有效的 IPv6 地址。',
+    'json'     => ':attribute 必須是一個有效的 JSON 字串。',
+    'lt'       => [
+        'numeric' => ':attribute 必須小於 :value。',
+        'file'    => ':attribute 必須小於 :value KB。',
+        'string'  => ':attribute 必須少於 :value 個字元。',
+        'array'   => ':attribute 必須少於 :value 個項目。',
+    ],
+    'lte' => [
+        'numeric' => ':attribute 必須小於或等於 :value。',
+        'file'    => ':attribute 必須小於或等於 :value KB。',
+        'string'  => ':attribute 必須少於或等於 :value 個字元。',
+        'array'   => ':attribute 必須少於或等於 :value 個項目。',
+    ],
+    'max' => [
+        'numeric' => ':attribute 不能大於 :max。',
+        'file'    => ':attribute 不能大於 :max KB。',
+        'string'  => ':attribute 不能多於 :max 個字元。',
+        'array'   => ':attribute 最多有 :max 個項目。',
+    ],
+    'mimes'     => ':attribute 必須是一個 :values 格式的檔案。',
+    'mimetypes' => ':attribute 必須是一個 :values 格式的檔案。',
+    'min'       => [
+        'numeric' => ':attribute 不能小於 :min。',
+        'file'    => ':attribute 不能小於 :min KB。',
+        'string'  => ':attribute 不能少於 :min 個字元。',
+        'array'   => ':attribute 至少有 :min 個項目。',
+    ],
+    'multiple_of' => ':attribute 必須為 :value 的倍數。',
+    'not_in'      => '所選的 :attribute 選項無效。',
+    'not_regex'   => ':attribute 的格式錯誤。',
+    'numeric'     => ':attribute 必須是一個數字。',
+    'password'    => '密碼錯誤。',
+    'present'     => ':attribute 必須存在。',
+    'regex'       => ':attribute 的格式錯誤。',
+    'required'    => ':attribute 欄位必填。',
+    'required_if'   => '當 :other 是 :value 時，:attribute 欄位必填。',
+    'required_unless' => '當 :other 不是 :value 時，:attribute 欄位必填。',
+    'required_with'   => '當 :values 出現時，:attribute 欄位必填。',
+    'required_with_all' => '當 :values 出現時，:attribute 欄位必填。',
+    'required_without'  => '當 :values 留空時，:attribute 欄位必填。',
+    'required_without_all' => '當 :values 留空時，:attribute 欄位必填。',
+    'same'                 => ':attribute 與 :other 必須相同。',
+    'size'                 => [
+        'numeric' => ':attribute 的大小必須是 :size。',
+        'file'    => ':attribute 的大小必須是 :size KB。',
+        'string'  => ':attribute 必須是 :size 個字元。',
+        'array'   => ':attribute 必須包含 :size 個項目。',
+    ],
+    'starts_with' => ':attribute 開頭必須包含下列之一：:values。',
+    'string'      => ':attribute 必須是一個字串。',
+    'timezone'    => ':attribute 必須是一個有效的時區。',
+    'unique'      => ':attribute 已經存在。',
+    'uploaded'    => ':attribute 上傳失敗。',
+    'url'         => ':attribute 的格式錯誤。',
+    'uuid'        => ':attribute 必須是一個有效的 UUID。',
+
+    'custom' => [
+        'attribute-name' => [
+            'rule-name' => 'custom-message',
+        ],
+    ],
+
+    'attributes' => [
+        'name'                   => '名稱',
+        'username'               => '使用者名稱',
+        'email'                  => '電子郵件',
+        'first_name'             => '名',
+        'last_name'              => '姓',
+        'password'               => '密碼',
+        'password_confirmation'  => '確認密碼',
+        'city'                   => '城市',
+        'country'                => '國家',
+        'address'                => '地址',
+        'phone'                  => '電話',
+        'mobile'                 => '手機',
+        'age'                    => '年齡',
+        'sex'                    => '性別',
+        'gender'                 => '性別',
+        'day'                    => '天',
+        'month'                  => '月',
+        'year'                   => '年',
+        'hour'                   => '時',
+        'minute'                 => '分',
+        'second'                 => '秒',
+        'title'                  => '標題',
+        'content'                => '內容',
+        'description'            => '描述',
+        'excerpt'                => '摘要',
+        'date'                   => '日期',
+        'time'                   => '時間',
+        'available'              => '可用的',
+        'size'                   => '大小',
+        'product_id'             => '商品',
+        'vendor_id'              => '供應商',
+        'warehouse_id'           => '倉庫',
+        'unit_id'                => '單位',
+        'items'                  => '明細項目',
+        'quantity'               => '數量',
+        'yield_quantity'         => '標準產出量',
+        'production_date'        => '生產日期',
+        'output_batch_number'    => '成品批號',
+        'output_quantity'        => '生產數量',
+        'source_warehouse_id'    => '來源倉庫',
+        'target_warehouse_id'    => '目標倉庫',
+        'expected_delivery_date' => '預計到貨日期',
+        'invoice_number'         => '發票號碼',
+        'invoice_date'           => '發票日期',
+        'invoice_amount'         => '發票金額',
+        'tax_amount'             => '稅額',
+        'remark'                 => '備註',
+        'code'                   => '代號',
+    ],
+];

lang/zh_TW/passwords.php

@@ -0,0 +1,166 @@
+<?php
+
+return [
+    'accepted'        => ':attribute 必須接受。',
+    'active_url'      => ':attribute 並非一個有效的網址。',
+    'after'           => ':attribute 必須在 :date 之後。',
+    'after_or_equal'  => ':attribute 必須在 :date 之後或相等。',
+    'alpha'           => ':attribute 只能由字母組成。',
+    'alpha_dash'      => ':attribute 只能由字母、數字、破折號與底線組成。',
+    'alpha_num'       => ':attribute 只能由字母與數字組成。',
+    'array'           => ':attribute 必須是一個陣列。',
+    'before'          => ':attribute 必須在 :date 之前。',
+    'before_or_equal' => ':attribute 必須在 :date 之前或相等。',
+    'between'         => [
+        'numeric' => ':attribute 必須介於 :min 至 :max 之間。',
+        'file'    => ':attribute 必須介於 :min 至 :max KB 之間。',
+        'string'  => ':attribute 必須介於 :min 至 :max 個字元之間。',
+        'array'   => ':attribute 必須介於 :min 至 :max 個項目之間。',
+    ],
+    'boolean'        => ':attribute 必須為布林值。',
+    'confirmed'      => ':attribute 確認欄位不一致。',
+    'date'           => ':attribute 並非一個有效的日期。',
+    'date_equals'    => ':attribute 必須等於 :date。',
+    'date_format'    => ':attribute 不符合 :format 的格式。',
+    'different'      => ':attribute 與 :other 必須不同。',
+    'digits'         => ':attribute 必須是 :digits 位數字。',
+    'digits_between' => ':attribute 必須介於 :min 至 :max 位數字之間。',
+    'dimensions'     => ':attribute 圖片尺寸不正確。',
+    'distinct'       => ':attribute 已經存在。',
+    'email'          => ':attribute 必須是一個有效的電子郵件地址。',
+    'ends_with'      => ':attribute 結尾必須包含下列之一：:values。',
+    'exists'         => '所選的 :attribute 選項無效。',
+    'file'           => ':attribute 必須是一個檔案。',
+    'filled'         => ':attribute 屬性是必填的。',
+    'gt'             => [
+        'numeric' => ':attribute 必須大於 :value。',
+        'file'    => ':attribute 必須大於 :value KB。',
+        'string'  => ':attribute 必須多於 :value 個字元。',
+        'array'   => ':attribute 必須多於 :value 個項目。',
+    ],
+    'gte' => [
+        'numeric' => ':attribute 必須大於或等於 :value。',
+        'file'    => ':attribute 必須大於或等於 :value KB。',
+        'string'  => ':attribute 必須多於或等於 :value 個字元。',
+        'array'   => ':attribute 必須多於或等於 :value 個項目。',
+    ],
+    'image'    => ':attribute 必須是一張圖片。',
+    'in'       => '所選的 :attribute 選項無效。',
+    'in_array' => ':attribute 沒有在 :other 中。',
+    'integer'  => ':attribute 必須是一個整數。',
+    'ip'       => ':attribute 必須是一個有效的 IP 地址。',
+    'ipv4'     => ':attribute 必須是一個有效的 IPv4 地址。',
+    'ipv6'     => ':attribute 必須是一個有效的 IPv6 地址。',
+    'json'     => ':attribute 必須是一個有效的 JSON 字串。',
+    'lt'       => [
+        'numeric' => ':attribute 必須小於 :value。',
+        'file'    => ':attribute 必須小於 :value KB。',
+        'string'  => ':attribute 必須少於 :value 個字元。',
+        'array'   => ':attribute 必須少於 :value 個項目。',
+    ],
+    'lte' => [
+        'numeric' => ':attribute 必須小於或等於 :value。',
+        'file'    => ':attribute 必須小於或等於 :value KB。',
+        'string'  => ':attribute 必須少於或等於 :value 個字元。',
+        'array'   => ':attribute 必須少於或等於 :value 個項目。',
+    ],
+    'max' => [
+        'numeric' => ':attribute 不能大於 :max。',
+        'file'    => ':attribute 不能大於 :max KB。',
+        'string'  => ':attribute 不能多於 :max 個字元。',
+        'array'   => ':attribute 最多有 :max 個項目。',
+    ],
+    'mimes'     => ':attribute 必須是一個 :values 格式的檔案。',
+    'mimetypes' => ':attribute 必須是一個 :values 格式的檔案。',
+    'min'       => [
+        'numeric' => ':attribute 不能小於 :min。',
+        'file'    => ':attribute 不能小於 :min KB。',
+        'string'  => ':attribute 不能少於 :min 個字元。',
+        'array'   => ':attribute 至少有 :min 個項目。',
+    ],
+    'multiple_of' => ':attribute 必須為 :value 的倍數。',
+    'not_in'      => '所選的 :attribute 選項無效。',
+    'not_regex'   => ':attribute 的格式錯誤。',
+    'numeric'     => ':attribute 必須是一個數字。',
+    'password'    => '密碼錯誤。',
+    'present'     => ':attribute 必須存在。',
+    'regex'       => ':attribute 的格式錯誤。',
+    'required'    => ':attribute 欄位必填。',
+    'required_if'   => '當 :other 是 :value 時，:attribute 欄位必填。',
+    'required_unless' => '當 :other 不是 :value 時，:attribute 欄位必填。',
+    'required_with'   => '當 :values 出現時，:attribute 欄位必填。',
+    'required_with_all' => '當 :values 出現時，:attribute 欄位必填。',
+    'required_without'  => '當 :values 留空時，:attribute 欄位必填。',
+    'required_without_all' => '當 :values 留空時，:attribute 欄位必填。',
+    'same'                 => ':attribute 與 :other 必須相同。',
+    'size'                 => [
+        'numeric' => ':attribute 的大小必須是 :size。',
+        'file'    => ':attribute 的大小必須是 :size KB。',
+        'string'  => ':attribute 必須是 :size 個字元。',
+        'array'   => ':attribute 必須包含 :size 個項目。',
+    ],
+    'starts_with' => ':attribute 開頭必須包含下列之一：:values。',
+    'string'      => ':attribute 必須是一個字串。',
+    'timezone'    => ':attribute 必須是一個有效的時區。',
+    'unique'      => ':attribute 已經存在。',
+    'uploaded'    => ':attribute 上傳失敗。',
+    'url'         => ':attribute 的格式錯誤。',
+    'uuid'        => ':attribute 必須是一個有效的 UUID。',
+
+    'custom' => [
+        'attribute-name' => [
+            'rule-name' => 'custom-message',
+        ],
+    ],
+
+    'attributes' => [
+        'name'                   => '名稱',
+        'username'               => '使用者名稱',
+        'email'                  => '電子郵件',
+        'first_name'             => '名',
+        'last_name'              => '姓',
+        'password'               => '密碼',
+        'password_confirmation'  => '確認密碼',
+        'city'                   => '城市',
+        'country'                => '國家',
+        'address'                => '地址',
+        'phone'                  => '電話',
+        'mobile'                 => '手機',
+        'age'                    => '年齡',
+        'sex'                    => '性別',
+        'gender'                 => '性別',
+        'day'                    => '天',
+        'month'                  => '月',
+        'year'                   => '年',
+        'hour'                   => '時',
+        'minute'                 => '分',
+        'second'                 => '秒',
+        'title'                  => '標題',
+        'content'                => '內容',
+        'description'            => '描述',
+        'excerpt'                => '摘要',
+        'date'                   => '日期',
+        'time'                   => '時間',
+        'available'              => '可用的',
+        'size'                   => '大小',
+        'product_id'             => '商品',
+        'vendor_id'              => '供應商',
+        'warehouse_id'           => '倉庫',
+        'unit_id'                => '單位',
+        'items'                  => '明細項目',
+        'quantity'               => '數量',
+        'yield_quantity'         => '標準產出量',
+        'production_date'        => '生產日期',
+        'output_batch_number'    => '成品批號',
+        'output_quantity'        => '生產數量',
+        'source_warehouse_id'    => '來源倉庫',
+        'target_warehouse_id'    => '目標倉庫',
+        'expected_delivery_date' => '預計到貨日期',
+        'invoice_number'         => '發票號碼',
+        'invoice_date'           => '發票日期',
+        'invoice_amount'         => '發票金額',
+        'tax_amount'             => '稅額',
+        'remark'                 => '備註',
+        'code'                   => '代號',
+    ],
+];

lang/zh_TW/validation.php

@@ -0,0 +1,225 @@
+<?php
+
+return [
+    'accepted'        => ':attribute 必須接受。',
+    'active_url'      => ':attribute 並非一個有效的網址。',
+    'after'           => ':attribute 必須在 :date 之後。',
+    'after_or_equal'  => ':attribute 必須在 :date 之後或相等。',
+    'alpha'           => ':attribute 只能由字母組成。',
+    'alpha_dash'      => ':attribute 只能由字母、數字、破折號與底線組成。',
+    'alpha_num'       => ':attribute 只能由字母與數字組成。',
+    'array'           => ':attribute 必須是一個陣列。',
+    'before'          => ':attribute 必須在 :date 之前。',
+    'before_or_equal' => ':attribute 必須在 :date 之前或相等。',
+    'between'         => [
+        'numeric' => ':attribute 必須介於 :min 至 :max 之間。',
+        'file'    => ':attribute 必須介於 :min 至 :max KB 之間。',
+        'string'  => ':attribute 必須介於 :min 至 :max 個字元之間。',
+        'array'   => ':attribute 必須介於 :min 至 :max 個項目之間。',
+    ],
+    'boolean'        => ':attribute 必須為布林值。',
+    'confirmed'      => ':attribute 確認欄位不一致。',
+    'date'           => ':attribute 並非一個有效的日期。',
+    'date_equals'    => ':attribute 必須等於 :date。',
+    'date_format'    => ':attribute 不符合 :format 的格式。',
+    'different'      => ':attribute 與 :other 必須不同。',
+    'digits'         => ':attribute 必須是 :digits 位數字。',
+    'digits_between' => ':attribute 必須介於 :min 至 :max 位數字之間。',
+    'dimensions'     => ':attribute 圖片尺寸不正確。',
+    'distinct'       => ':attribute 已經存在。',
+    'email'          => ':attribute 必須是一個有效的電子郵件地址。',
+    'ends_with'      => ':attribute 結尾必須包含下列之一：:values。',
+    'exists'         => '所選的 :attribute 選項無效。',
+    'file'           => ':attribute 必須是一個檔案。',
+    'filled'         => ':attribute 屬性是必填的。',
+    'gt'             => [
+        'numeric' => ':attribute 必須大於 :value。',
+        'file'    => ':attribute 必須大於 :value KB。',
+        'string'  => ':attribute 必須多於 :value 個字元。',
+        'array'   => ':attribute 必須多於 :value 個項目。',
+    ],
+    'gte' => [
+        'numeric' => ':attribute 必須大於或等於 :value。',
+        'file'    => ':attribute 必須大於或等於 :value KB。',
+        'string'  => ':attribute 必須多於或等於 :value 個字元。',
+        'array'   => ':attribute 必須多於或等於 :value 個項目。',
+    ],
+    'image'    => ':attribute 必須是一張圖片。',
+    'in'       => '所選的 :attribute 選項無效。',
+    'in_array' => ':attribute 沒有在 :other 中。',
+    'integer'  => ':attribute 必須是一個整數。',
+    'ip'       => ':attribute 必須是一個有效的 IP 地址。',
+    'ipv4'     => ':attribute 必須是一個有效的 IPv4 地址。',
+    'ipv6'     => ':attribute 必須是一個有效的 IPv6 地址。',
+    'json'     => ':attribute 必須是一個有效的 JSON 字串。',
+    'lt'       => [
+        'numeric' => ':attribute 必須小於 :value。',
+        'file'    => ':attribute 必須小於 :value KB。',
+        'string'  => ':attribute 必須少於 :value 個字元。',
+        'array'   => ':attribute 必須少於 :value 個項目。',
+    ],
+    'lte' => [
+        'numeric' => ':attribute 必須小於或等於 :value。',
+        'file'    => ':attribute 必須小於或等於 :value KB。',
+        'string'  => ':attribute 必須少於或等於 :value 個字元。',
+        'array'   => ':attribute 必須少於或等於 :value 個項目。',
+    ],
+    'max' => [
+        'numeric' => ':attribute 不能大於 :max。',
+        'file'    => ':attribute 不能大於 :max KB。',
+        'string'  => ':attribute 不能多於 :max 個字元。',
+        'array'   => ':attribute 最多有 :max 個項目。',
+    ],
+    'mimes'     => ':attribute 必須是一個 :values 格式的檔案。',
+    'mimetypes' => ':attribute 必須是一個 :values 格式的檔案。',
+    'min'       => [
+        'numeric' => ':attribute 不能小於 :min。',
+        'file'    => ':attribute 不能小於 :min KB。',
+        'string'  => ':attribute 不能少於 :min 個字元。',
+        'array'   => ':attribute 至少有 :min 個項目。',
+    ],
+    'multiple_of' => ':attribute 必須為 :value 的倍數。',
+    'not_in'      => '所選的 :attribute 選項無效。',
+    'not_regex'   => ':attribute 的格式錯誤。',
+    'numeric'     => ':attribute 必須是一個數字。',
+    'password'    => '密碼錯誤。',
+    'present'     => ':attribute 必須存在。',
+    'regex'       => ':attribute 的格式錯誤。',
+    'required'    => ':attribute 欄位必填。',
+    'required_if'   => '當 :other 是 :value 時，:attribute 欄位必填。',
+    'required_unless' => '當 :other 不是 :value 時，:attribute 欄位必填。',
+    'required_with'   => '當 :values 出現時，:attribute 欄位必填。',
+    'required_with_all' => '當 :values 出現時，:attribute 欄位必填。',
+    'required_without'  => '當 :values 留空時，:attribute 欄位必填。',
+    'required_without_all' => '當 :values 留空時，:attribute 欄位必填。',
+    'same'                 => ':attribute 與 :other 必須相同。',
+    'size'                 => [
+        'numeric' => ':attribute 的大小必須是 :size。',
+        'file'    => ':attribute 的大小必須是 :size KB。',
+        'string'  => ':attribute 必須是 :size 個字元。',
+        'array'   => ':attribute 必須包含 :size 個項目。',
+    ],
+    'starts_with' => ':attribute 開頭必須包含下列之一：:values。',
+    'string'      => ':attribute 必須是一個字串。',
+    'timezone'    => ':attribute 必須是一個有效的時區。',
+    'unique'      => ':attribute 已經存在。',
+    'uploaded'    => ':attribute 上傳失敗。',
+    'url'         => ':attribute 的格式錯誤。',
+    'uuid'        => ':attribute 必須是一個有效的 UUID。',
+
+    'custom' => [
+        'attribute-name' => [
+            'rule-name' => 'custom-message',
+        ],
+    ],
+
+    'attributes' => [
+        'name'                   => '名稱',
+        'username'               => '使用者名稱',
+        'email'                  => '電子郵件',
+        'first_name'             => '名',
+        'last_name'              => '姓',
+        'password'               => '密碼',
+        'password_confirmation'  => '確認密碼',
+        'city'                   => '城市',
+        'country'                => '國家',
+        'address'                => '地址',
+        'phone'                  => '電話',
+        'mobile'                 => '手機',
+        'age'                    => '年齡',
+        'sex'                    => '性別',
+        'gender'                 => '性別',
+        'day'                    => '天',
+        'month'                  => '月',
+        'year'                   => '年',
+        'hour'                   => '時',
+        'minute'                 => '分',
+        'second'                 => '秒',
+        'title'                  => '標題',
+        'content'                => '內容',
+        'description'            => '描述',
+        'excerpt'                => '摘要',
+        'date'                   => '日期',
+        'time'                   => '時間',
+        'available'              => '可用的',
+        'size'                   => '大小',
+        'product_id'             => '商品',
+        'productId'              => '商品',
+        'vendor_id'              => '供應商',
+        'vendorId'               => '供應商',
+        'warehouse_id'           => '倉庫',
+        'warehouseId'            => '倉庫',
+        'unit_id'                => '單位',
+        'unitId'                 => '單位',
+        'items'                  => '明細項目',
+        'quantity'               => '數量',
+        'yield_quantity'         => '標準產出量',
+        'yieldQuantity'          => '標準產出量',
+        'production_date'        => '生產日期',
+        'productionDate'         => '生產日期',
+        'output_batch_number'    => '成品批號',
+        'outputBatchNumber'      => '成品批號',
+        'output_quantity'        => '生產數量',
+        'outputQuantity'         => '生產數量',
+        'output_box_count'       => '生產箱數',
+        'outputBoxCount'         => '生產箱數',
+        'source_warehouse_id'    => '來源倉庫',
+        'sourceWarehouseId'      => '來源倉庫',
+        'target_warehouse_id'    => '目標倉庫',
+        'targetWarehouseId'      => '目標倉庫',
+        'expected_delivery_date' => '預計到貨日期',
+        'expectedDeliveryDate'   => '預計到貨日期',
+        'invoice_number'         => '發票號碼',
+        'invoiceNumber'          => '發票號碼',
+        'invoice_date'           => '發票日期',
+        'invoiceDate'            => '發票日期',
+        'invoice_amount'         => '發票金額',
+        'invoiceAmount'          => '發票金額',
+        'tax_amount'             => '稅額',
+        'taxAmount'              => '稅額',
+        'remark'                 => '備註',
+        'code'                   => '代號',
+        'short_name'             => '簡稱',
+        'shortName'              => '簡稱',
+        'tax_id'                 => '統編',
+        'taxId'                  => '統編',
+        'owner'                  => '負責人',
+        'contact_name'           => '聯絡人',
+        'contactName'            => '聯絡人',
+        'tel'                    => '電話',
+        'phone'                  => '手機',
+        'address'                => '地址',
+        'brand'                  => '品牌',
+        'specification'          => '規格',
+        'base_unit_id'           => '基本單位',
+        'baseUnitId'             => '基本單位',
+        'large_unit_id'          => '大單位',
+        'largeUnitId'            => '大單位',
+        'purchase_unit_id'       => '採購單位',
+        'purchaseUnitId'         => '採購單位',
+        'conversion_rate'        => '換算率',
+        'conversionRate'         => '換算率',
+        'category_id'            => '分類',
+        'categoryId'             => '分類',
+        'inventory_id'           => '庫存項目',
+        'inventoryId'            => '庫存項目',
+        'arrival_date'           => '到貨日期',
+        'arrivalDate'            => '到貨日期',
+        'expiry_date'            => '效期',
+        'expiryDate'             => '效期',
+        'quantity_used'          => '使用數量',
+        'quantityUsed'           => '使用數量',
+        'items.*.product_id'     => '明細商品',
+        'items.*.productId'      => '明細商品',
+        'items.*.quantity'       => '明細數量',
+        'items.*.unit_id'        => '明細單位',
+        'items.*.unitId'         => '明細單位',
+        'items.*.remark'         => '明細備註',
+        'items.*.inventory_id'   => '明細批號',
+        'items.*.inventoryId'    => '明細批號',
+        'items.*.quantity_used'  => '明細用量',
+        'items.*.quantityUsed'   => '明細用量',
+        'items.*.subtotal'       => '明細小計',
+        'items.*.subtotalAmount' => '明細小計',
+    ],
+];

resources/js/Components/ActivityLog/ActivityDetailDialog.tsx

@@ -41,7 +41,7 @@ interface Props {
     activity: Activity | null;
 }
 
-// Field translation map
+// 欄位翻譯對照表
 const fieldLabels: Record<string, string> = {
     name: '名稱',
     code: '商品代號',
@@ -66,19 +66,19 @@ const fieldLabels: Record<string, string> = {
     role_id: '角色',
     email_verified_at: '電子郵件驗證時間',
     remember_token: '登入權杖',
-    // Snapshot fields
+    // 快照欄位
     category_name: '分類名稱',
     base_unit_name: '基本單位名稱',
     large_unit_name: '大單位名稱',
     purchase_unit_name: '採購單位名稱',
-    // Vendor fields
+    // 廠商欄位
     short_name: '簡稱',
     tax_id: '統編',
     owner: '負責人',
     contact_name: '聯絡人',
     tel: '電話',
     remark: '備註',
-    // Warehouse & Inventory fields
+    // 倉庫與庫存欄位
     warehouse_name: '倉庫名稱',
     product_name: '商品名稱',
     warehouse_id: '倉庫',
@@ -86,7 +86,7 @@ const fieldLabels: Record<string, string> = {
     quantity: '數量',
     safety_stock: '安全庫存',
     location: '儲位',
-    // Inventory fields
+    // 庫存欄位
     batch_number: '批號',
     box_number: '箱號',
     origin_country: '來源國家',
@@ -95,7 +95,7 @@ const fieldLabels: Record<string, string> = {
     source_purchase_order_id: '來源採購單',
     quality_status: '品質狀態',
     quality_remark: '品質備註',
-    // Purchase Order fields
+    // 採購單欄位
     po_number: '採購單號',
     vendor_id: '廠商',
     vendor_name: '廠商名稱',
@@ -110,13 +110,13 @@ const fieldLabels: Record<string, string> = {
     invoice_date: '發票日期',
     invoice_amount: '發票金額',
     last_price: '供貨價格',
-    // Utility Fee fields
+    // 公共事業費欄位
     transaction_date: '費用日期',
     category: '費用類別',
     amount: '金額',
 };
 
-// Purchase Order Status Map
+// 採購單狀態對照表
 const statusMap: Record<string, string> = {
     draft: '草稿',
     pending: '待審核',
@@ -127,7 +127,7 @@ const statusMap: Record<string, string> = {
     completed: '已完成',
 };
 
-// Inventory Quality Status Map
+// 庫存品質狀態對照表
 const qualityStatusMap: Record<string, string> = {
     normal: '正常',
     frozen: '凍結',
@@ -141,17 +141,17 @@ export default function ActivityDetailDialog({ open, onOpenChange, activity }: P
     const old = activity.properties?.old || {};
     const snapshot = activity.properties?.snapshot || {};
 
-    // Get all keys from both attributes and old to ensure we show all changes
+    // 取得屬性和舊值的所有鍵，以確保顯示所有變更
     const allKeys = Array.from(new Set([...Object.keys(attributes), ...Object.keys(old)]));
 
-    // Custom sort order for fields
+    // 自訂欄位排序順序
     const sortOrder = [
         'po_number', 'vendor_name', 'warehouse_name', 'expected_delivery_date', 'status', 'remark',
         'invoice_number', 'invoice_date', 'invoice_amount',
-        'total_amount', 'tax_amount', 'grand_total' // Ensure specific order for amounts
+        'total_amount', 'tax_amount', 'grand_total' // 確保金額的特定順序
     ];
 
-    // Filter out internal keys often logged but not useful for users
+    // 過濾掉通常會記錄但對使用者無用的內部鍵
     const filteredKeys = allKeys
         .filter(key =>
             !['created_at', 'updated_at', 'deleted_at', 'id', 'remember_token'].includes(key)
@@ -160,16 +160,16 @@ export default function ActivityDetailDialog({ open, onOpenChange, activity }: P
             const indexA = sortOrder.indexOf(a);
             const indexB = sortOrder.indexOf(b);
 
-            // If both are in sortOrder, compare indices
+            // 如果兩者都在排序順序中，比較索引
             if (indexA !== -1 && indexB !== -1) return indexA - indexB;
-            // If only A is in sortOrder, it comes first (or wherever logic dictates, usually put known fields first)
+            // 如果只有 A 在排序順序中，它排在前面（或根據邏輯，通常將已知欄位排在前面）
             if (indexA !== -1) return -1;
             if (indexB !== -1) return 1;
-            // Otherwise alphabetical or default
+            // 否則按字母順序或預設
             return a.localeCompare(b);
         });
 
-    // Helper to check if a key is a snapshot name field
+    // 檢查鍵是否為快照名稱欄位的輔助函式
     const isSnapshotField = (key: string) => {
         return [
             'category_name', 'base_unit_name', 'large_unit_name', 'purchase_unit_name',
@@ -197,26 +197,26 @@ export default function ActivityDetailDialog({ open, onOpenChange, activity }: P
     };
 
     const formatValue = (key: string, value: any) => {
-        // Mask password
+        // 遮蔽密碼
         if (key === 'password') return '******';
 
         if (value === null || value === undefined) return '-';
         if (typeof value === 'boolean') return value ? '是' : '否';
         if (key === 'is_active') return value ? '啟用' : '停用';
 
-        // Handle Purchase Order Status
+        // 處理採購單狀態
         if (key === 'status' && typeof value === 'string' && statusMap[value]) {
             return statusMap[value];
         }
 
-        // Handle Inventory Quality Status
+        // 處理庫存品質狀態
         if (key === 'quality_status' && typeof value === 'string' && qualityStatusMap[value]) {
             return qualityStatusMap[value];
         }
 
-        // Handle Date Fields (YYYY-MM-DD)
+        // 處理日期欄位 (YYYY-MM-DD)
         if ((key === 'expected_delivery_date' || key === 'invoice_date' || key === 'arrival_date' || key === 'expiry_date') && typeof value === 'string') {
-            // Take only the date part (YYYY-MM-DD)
+            // 僅取日期部分 (YYYY-MM-DD)
             return value.split('T')[0].split(' ')[0];
         }
 
@@ -224,10 +224,10 @@ export default function ActivityDetailDialog({ open, onOpenChange, activity }: P
     };
 
     const getFormattedValue = (key: string, value: any) => {
-        // If it's an ID field, try to find a corresponding name in snapshot or attributes
+        // 如果是 ID 欄位，嘗試在快照或屬性中尋找對應名稱
         if (key.endsWith('_id')) {
             const nameKey = key.replace('_id', '_name');
-            // Check snapshot first, then attributes
+            // 先檢查快照，然後檢查屬性
             const nameValue = snapshot[nameKey] || attributes[nameKey];
             if (nameValue) {
                 return `${nameValue}`;
@@ -236,14 +236,14 @@ export default function ActivityDetailDialog({ open, onOpenChange, activity }: P
         return formatValue(key, value);
     };
 
-    // Helper to get translated field label
+    // 取得翻譯欄位標籤的輔助函式
     const getFieldLabel = (key: string) => {
         return fieldLabels[key] || key;
     };
 
-    // Get subject name for header
+    // 取得標題的主題名稱
     const getSubjectName = () => {
-        // Special handling for Inventory: show "Warehouse - Product"
+        // 庫存的特殊處理：顯示 "倉庫 - 商品"
         if ((snapshot.warehouse_name || attributes.warehouse_name) && (snapshot.product_name || attributes.product_name)) {
             const wName = snapshot.warehouse_name || attributes.warehouse_name;
             const pName = snapshot.product_name || attributes.product_name;
@@ -276,7 +276,7 @@ export default function ActivityDetailDialog({ open, onOpenChange, activity }: P
                         </Badge>
                     </div>
 
-                    {/* Modern Metadata Strip */}
+                    {/* 現代化元數據條 */}
                     <div className="flex flex-wrap items-center gap-6 pt-2 text-sm text-gray-500">
                         <div className="flex items-center gap-2">
                             <User className="w-4 h-4 text-gray-400" />
@@ -293,7 +293,7 @@ export default function ActivityDetailDialog({ open, onOpenChange, activity }: P
                                 {activity.properties?.sub_subject || activity.subject_type}
                             </span>
                         </div>
-                        {/* Only show 'description' if it differs from event name (unlikely but safe) */}
+                        {/* 僅在描述與事件名稱不同時顯示（不太可能發生但為了安全起見） */}
                         {activity.description !== getEventLabel(activity.event) &&
                             activity.description !== 'created' && activity.description !== 'updated' && (
                                 <div className="flex items-center gap-2">
@@ -367,7 +367,7 @@ export default function ActivityDetailDialog({ open, onOpenChange, activity }: P
                                                 const newValue = attributes[key];
                                                 const isChanged = JSON.stringify(oldValue) !== JSON.stringify(newValue);
 
-                                                // For deleted events, we want to show the current attributes in the "Before" column
+                                                // 對於刪除事件，我們希望在 "變更前" 欄位顯示當前屬性
                                                 const displayBefore = activity.event === 'deleted'
                                                     ? getFormattedValue(key, newValue || oldValue)
                                                     : getFormattedValue(key, oldValue);
@@ -399,7 +399,7 @@ export default function ActivityDetailDialog({ open, onOpenChange, activity }: P
                             </Table>
                         </div>
                     )}
-                    {/* Items Diff Section (Special for Purchase Orders) */}
+                    {/* 項目差異區塊（採購單專用） */}
                     {activity.properties?.items_diff && (
                         <div className="mt-6 space-y-4">
                             <h3 className="text-sm font-bold text-gray-900 flex items-center gap-2 px-1">
@@ -417,7 +417,7 @@ export default function ActivityDetailDialog({ open, onOpenChange, activity }: P
                                         </TableRow>
                                     </TableHeader>
                                     <TableBody>
-                                        {/* Updated Items */}
+                                        {/* 更新項目 */}
                                         {activity.properties.items_diff.updated.map((item: any, idx: number) => (
                                             <TableRow key={`upd-${idx}`} className="bg-blue-50/10 hover:bg-blue-50/20">
                                                 <TableCell className="font-medium">{item.product_name}</TableCell>
@@ -440,7 +440,7 @@ export default function ActivityDetailDialog({ open, onOpenChange, activity }: P
                                             </TableRow>
                                         ))}
 
-                                        {/* Added Items */}
+                                        {/* 新增項目 */}
                                         {activity.properties.items_diff.added.map((item: any, idx: number) => (
                                             <TableRow key={`add-${idx}`} className="bg-green-50/10 hover:bg-green-50/20">
                                                 <TableCell className="font-medium">{item.product_name}</TableCell>
@@ -453,7 +453,7 @@ export default function ActivityDetailDialog({ open, onOpenChange, activity }: P
                                             </TableRow>
                                         ))}
 
-                                        {/* Removed Items */}
+                                        {/* 移除項目 */}
                                         {activity.properties.items_diff.removed.map((item: any, idx: number) => (
                                             <TableRow key={`rem-${idx}`} className="bg-red-50/10 hover:bg-red-50/20">
                                                 <TableCell className="font-medium text-gray-400 line-through">{item.product_name}</TableCell>

resources/js/Components/ActivityLog/LogTable.tsx

@@ -26,7 +26,7 @@ interface LogTableProps {
     sortOrder?: 'asc' | 'desc';
     onSort?: (field: string) => void;
     onViewDetail: (activity: Activity) => void;
-    from?: number; // Starting index number (paginator.from)
+    from?: number; // 起始索引編號 (paginator.from)
 }
 
 export default function LogTable({
@@ -61,12 +61,12 @@ export default function LogTable({
         const old = props.old || {};
         const snapshot = props.snapshot || {};
 
-        // Try to find a name in snapshot, attributes or old values
+        // 嘗試在快照、屬性或舊值中尋找名稱
-        // Priority: snapshot > specific name fields > generic name > code > ID
+        // 優先順序：快照 > 特定名稱欄位 > 通用名稱 > 代碼 > ID
         const nameParams = ['po_number', 'name', 'code', 'product_name', 'warehouse_name', 'category_name', 'base_unit_name', 'title', 'category'];
         let subjectName = '';
 
-        // Special handling for Inventory: show "Warehouse - Product"
+        // 庫存的特殊處理：顯示 "倉庫 - 商品"
         if ((snapshot.warehouse_name || attrs.warehouse_name) && (snapshot.product_name || attrs.product_name)) {
             const wName = snapshot.warehouse_name || attrs.warehouse_name;
             const pName = snapshot.product_name || attrs.product_name;
@@ -74,7 +74,7 @@ export default function LogTable({
         } else if (old.warehouse_name && old.product_name) {
             subjectName = `${old.warehouse_name} - ${old.product_name}`;
         } else {
-            // Default fallback
+            // 預設備案
             for (const param of nameParams) {
                 if (snapshot[param]) {
                     subjectName = snapshot[param];
@@ -91,12 +91,12 @@ export default function LogTable({
             }
         }
 
-        // If no name found, try ID but format it nicely if possible, or just don't show it if it's redundant with subject_type
+        // 如果找不到名稱，嘗試使用 ID，如果可能則格式化顯示，或者如果與主題類型重複則不顯示
         if (!subjectName && (attrs.id || old.id)) {
             subjectName = `#${attrs.id || old.id}`;
         }
 
-        // Combine parts: [Causer] [Action] [Name] [Subject]
+        // 組合部分：[操作者] [動作] [名稱] [主題]
         // Example: Admin 新增 可樂 商品
         // Example: Admin 更新 台北倉 - 可樂 庫存
         return (
@@ -114,7 +114,7 @@ export default function LogTable({
                     <span className="text-gray-700">{activity.subject_type}</span>
                 )}
 
-                {/* Display reason/source if available (e.g., from Replenishment) */}
+                {/* 如果有原因/來源則顯示（例如：來自補貨） */}
                 {(attrs._reason || old._reason) && (
                     <span className="text-gray-500 text-xs">
                         (來自 {attrs._reason || old._reason})

resources/js/Components/Product/ProductDialog.tsx

@@ -53,13 +53,13 @@ export default function ProductDialog({
         setData({
           code: product.code,
           name: product.name,
-          category_id: product.category_id.toString(),
+          category_id: product.categoryId.toString(),
           brand: product.brand || "",
           specification: product.specification || "",
-          base_unit_id: product.base_unit_id?.toString() || "",
+          base_unit_id: product.baseUnitId?.toString() || "",
-          large_unit_id: product.large_unit_id?.toString() || "",
+          large_unit_id: product.largeUnitId?.toString() || "",
-          conversion_rate: product.conversion_rate ? product.conversion_rate.toString() : "",
+          conversion_rate: product.conversionRate ? product.conversionRate.toString() : "",
-          purchase_unit_id: product.purchase_unit_id?.toString() || "",
+          purchase_unit_id: product.purchaseUnitId?.toString() || "",
         });
       } else {
         reset();

resources/js/Components/Product/ProductTable.tsx

@@ -26,7 +26,7 @@ import type { Product } from "@/Pages/Product/Index";
 interface ProductTableProps {
   products: Product[];
   onEdit: (product: Product) => void;
-  onDelete: (id: number) => void;
+  onDelete: (id: string) => void;
 
   startIndex: number;
   sortField: string | null;
@@ -125,11 +125,11 @@ export default function ProductTable({
                       {product.category?.name || '-'}
                     </Badge>
                   </TableCell>
-                  <TableCell>{product.base_unit?.name || '-'}</TableCell>
+                  <TableCell>{product.baseUnit?.name || '-'}</TableCell>
                   <TableCell>
-                    {product.large_unit ? (
+                    {product.largeUnit ? (
                       <span className="text-sm text-gray-500">
-                        1 {product.large_unit?.name} = {Number(product.conversion_rate)} {product.base_unit?.name}
+                        1 {product.largeUnit?.name} = {Number(product.conversionRate)} {product.baseUnit?.name}
                       </span>
                     ) : (
                       '-'

resources/js/Components/PurchaseOrder/PurchaseOrderItemsTable.tsx

@@ -62,7 +62,7 @@ export function PurchaseOrderItemsTable({
                     ) : (
                         items.map((item, index) => {
                             // 計算換算後的單價 (基本單位單價)
-                            // unitPrice is derived from subtotal / quantity
+                            // 單價由 小計 / 數量 推導得出
                             const currentUnitPrice = item.unitPrice;
 
                             const convertedUnitPrice = item.selectedUnit === 'large' && item.conversion_rate

resources/js/Components/Unit/UnitManagerDialog.tsx

@@ -26,7 +26,7 @@ import { toast } from "sonner";
 import { Trash2, Edit2, Check, X, Plus, Loader2 } from "lucide-react";
 
 export interface Unit {
-    id: number;
+    id: string;
     name: string;
     code: string | null;
 }
@@ -42,7 +42,7 @@ export default function UnitManagerDialog({
     onOpenChange,
     units,
 }: UnitManagerDialogProps) {
-    const [editingId, setEditingId] = useState<number | null>(null);
+    const [editingId, setEditingId] = useState<string | null>(null);
     const [editName, setEditName] = useState("");
     const [editCode, setEditCode] = useState("");
 
@@ -85,7 +85,7 @@ export default function UnitManagerDialog({
         setEditCode("");
     };
 
-    const saveEdit = (id: number) => {
+    const saveEdit = (id: string) => {
         if (!editName.trim()) return;
 
         router.put(route("units.update", id), { name: editName, code: editCode }, {
@@ -98,7 +98,7 @@ export default function UnitManagerDialog({
         });
     };
 
-    const handleDelete = (id: number) => {
+    const handleDelete = (id: string) => {
         router.delete(route("units.destroy", id), {
             onSuccess: () => {
                 // 由全域 flash 處理

resources/js/Components/Vendor/VendorDialog.tsx

@@ -45,10 +45,10 @@ export default function VendorDialog({
             if (vendor) {
                 setData({
                     name: vendor.name,
-                    short_name: vendor.short_name || "",
+                    short_name: vendor.shortName || "",
-                    tax_id: vendor.tax_id || "",
+                    tax_id: vendor.taxId || "",
                     owner: vendor.owner || "",
-                    contact_name: vendor.contact_name || "",
+                    contact_name: vendor.contactName || "",
                     tel: vendor.tel || "",
                     phone: vendor.phone || "",
                     email: vendor.email || "",

resources/js/Components/Vendor/VendorTable.tsx

@@ -26,7 +26,7 @@ interface VendorTableProps {
     vendors: Vendor[];
     onView: (vendor: Vendor) => void;
     onEdit: (vendor: Vendor) => void;
-    onDelete: (id: number) => void;
+    onDelete: (id: string) => void;
     sortField: string | null;
     sortDirection: "asc" | "desc" | null;
     onSort: (field: string) => void;
@@ -107,11 +107,11 @@ export default function VendorTable({
                                 <TableCell>
                                     <div className="flex flex-col">
                                         <span className="font-medium">{vendor.name}</span>
-                                        {vendor.short_name && <span className="text-xs text-gray-400">{vendor.short_name}</span>}
+                                        {vendor.shortName && <span className="text-xs text-gray-400">{vendor.shortName}</span>}
                                     </div>
                                 </TableCell>
                                 <TableCell>{vendor.owner || '-'}</TableCell>
-                                <TableCell>{vendor.contact_name || '-'}</TableCell>
+                                <TableCell>{vendor.contactName || '-'}</TableCell>
                                 <TableCell>{vendor.phone || vendor.tel || '-'}</TableCell>
                                 <TableCell className="text-center">
                                     <div className="flex justify-center gap-2">

resources/js/Components/Warehouse/SafetyStock/AddSafetyStockDialog.tsx

@@ -95,7 +95,7 @@ export default function AddSafetyStockDialog({
     // 更新商品安全庫存量
     const updateQuantity = (productId: string, value: number) => {
         const newQuantities = new Map(productQuantities);
-        newQuantities.set(productId, value); // Allow 0
+        newQuantities.set(productId, value); // 允許為 0
         setProductQuantities(newQuantities);
     };
 

resources/js/Components/Warehouse/TransferOrderDialog.tsx

@@ -31,7 +31,7 @@ interface TransferOrderDialogProps {
   onOpenChange: (open: boolean) => void;
   order: TransferOrder | null;
   warehouses: Warehouse[];
-  // inventories: WarehouseInventory[]; // Removed as we fetch from API
+  // inventories: WarehouseInventory[]; // 因從 API 獲取而移除
   onSave: (order: Omit<TransferOrder, "id" | "createdAt" | "orderNumber">) => void;
 }
 
@@ -41,6 +41,7 @@ interface AvailableProduct {
   batchNumber: string;
   availableQty: number;
   unit: string;
+  expiryDate: string | null;
 }
 
 export default function TransferOrderDialog({
@@ -99,7 +100,15 @@ export default function TransferOrderDialog({
     if (formData.sourceWarehouseId) {
       axios.get(route('api.warehouses.inventories', formData.sourceWarehouseId))
         .then(response => {
-          setAvailableProducts(response.data);
+          const mappedData = response.data.map((item: any) => ({
+            productId: item.product_id,
+            productName: item.product_name,
+            batchNumber: item.batch_number,
+            availableQty: item.quantity,
+            unit: item.unit_name,
+            expiryDate: item.expiry_date
+          }));
+          setAvailableProducts(mappedData);
         })
         .catch(error => {
           console.error("Failed to fetch inventories:", error);
@@ -240,7 +249,7 @@ export default function TransferOrderDialog({
               onValueChange={handleProductChange}
               disabled={!formData.sourceWarehouseId || !!order}
               options={availableProducts.map((product) => ({
-                label: `${product.productName} (庫存: ${product.availableQty} ${product.unit})`,
+                label: `${product.productName} | 批號: ${product.batchNumber || '-'} | 效期: ${product.expiryDate || '-'} (庫存: ${product.availableQty} ${product.unit})`,
                 value: `${product.productId}|||${product.batchNumber}`,
               }))}
               placeholder="選擇商品與批號"

resources/js/Components/Warehouse/WarehouseCard.tsx

@@ -78,8 +78,17 @@ export default function WarehouseCard({
             {warehouse.description || "無描述"}
           </div>
 
-          {/* 統計區塊 - 庫存警告 */}
+
+          {/* 統計區塊 - 狀態標籤 */}
           <div className="space-y-3">
+            {/* 銷售狀態 */}
+            <div className="flex items-center justify-between">
+              <span className="text-sm text-gray-500">銷售狀態</span>
+              <Badge variant={warehouse.is_sellable ? "default" : "secondary"} className={warehouse.is_sellable ? "bg-green-600" : "bg-gray-400"}>
+                {warehouse.is_sellable ? "可銷售" : "暫停銷售"}
+              </Badge>
+            </div>
+
             {/* 低庫存警告狀態 */}
             <div className="flex items-center justify-between p-3 rounded-lg bg-gray-50">
               <div className="flex items-center gap-2 text-gray-600">

resources/js/Components/Warehouse/WarehouseDialog.tsx

@@ -51,11 +51,13 @@ export default function WarehouseDialog({
     name: string;
     address: string;
     description: string;
+    is_sellable: boolean;
   }>({
     code: "",
     name: "",
     address: "",
     description: "",
+    is_sellable: true,
   });
 
   const [showDeleteDialog, setShowDeleteDialog] = useState(false);
@@ -67,6 +69,7 @@ export default function WarehouseDialog({
         name: warehouse.name,
         address: warehouse.address || "",
         description: warehouse.description || "",
+        is_sellable: warehouse.is_sellable ?? true,
       });
     } else {
       setFormData({
@@ -74,6 +77,7 @@ export default function WarehouseDialog({
         name: "",
         address: "",
         description: "",
+        is_sellable: true,
       });
     }
   }, [warehouse, open]);
@@ -148,6 +152,23 @@ export default function WarehouseDialog({
                 </div>
               </div>
 
+              {/* 銷售設定 */}
+              <div className="space-y-4">
+                <div className="border-b pb-2">
+                  <h4 className="text-sm text-gray-700">銷售設定</h4>
+                </div>
+                <div className="flex items-center space-x-2">
+                  <input
+                    type="checkbox"
+                    id="is_sellable"
+                    className="h-4 w-4 rounded border-gray-300 text-primary-main focus:ring-primary-main"
+                    checked={formData.is_sellable}
+                    onChange={(e) => setFormData({ ...formData, is_sellable: e.target.checked })}
+                  />
+                  <Label htmlFor="is_sellable">此倉庫可進行銷售扣庫</Label>
+                </div>
+              </div>
+
               {/* 區塊 B：位置 */}
               <div className="space-y-4">
                 <div className="border-b pb-2">
@@ -210,10 +231,10 @@ export default function WarehouseDialog({
             </DialogFooter>
           </form>
         </DialogContent>
-      </Dialog>
+      </Dialog >
 
       {/* 刪除確認對話框 */}
-      <AlertDialog open={showDeleteDialog} onOpenChange={setShowDeleteDialog}>
+      < AlertDialog open={showDeleteDialog} onOpenChange={setShowDeleteDialog} >
         <AlertDialogContent>
           <AlertDialogHeader>
             <AlertDialogTitle>確認刪除倉庫</AlertDialogTitle>
@@ -231,7 +252,7 @@ export default function WarehouseDialog({
             </AlertDialogAction>
           </AlertDialogFooter>
         </AlertDialogContent>
-      </AlertDialog>
+      </AlertDialog >
     </>
   );
 }

resources/js/Layouts/AuthenticatedLayout.tsx

@@ -20,7 +20,8 @@ import {
     FileText,
     Wallet,
     BarChart3,
-    FileSpreadsheet
+    FileSpreadsheet,
+    BookOpen
 } from "lucide-react";
 import { toast, Toaster } from "sonner";
 import { useState, useEffect, useMemo } from "react";
@@ -133,8 +134,15 @@ export default function AuthenticatedLayout({
             id: "production-management",
             label: "生產管理",
             icon: <Boxes className="h-5 w-5" />,
-            permission: "production_orders.view",
+            permission: ["production_orders.view", "recipes.view"],
             children: [
+                {
+                    id: "recipe-list",
+                    label: "配方管理",
+                    icon: <BookOpen className="h-4 w-4" />,
+                    route: "/recipes",
+                    permission: "recipes.view",
+                },
                 {
                     id: "production-order-list",
                     label: "生產工單",
@@ -532,7 +540,7 @@ export default function AuthenticatedLayout({
                 "flex-1 flex flex-col transition-all duration-300 min-h-screen overflow-auto",
                 "lg:ml-64",
                 isCollapsed && "lg:ml-20",
-                "pt-16" // Always allow space for header
+                "pt-16" // 始終為頁首保留空間
             )}>
                 <div className="relative">
                     <div className="container mx-auto px-6 pt-6 max-w-7xl">

resources/js/Pages/Product/Index.tsx

@@ -20,22 +20,22 @@ export interface Category {
 }
 
 export interface Product {
-  id: number;
+  id: string;
   code: string;
   name: string;
-  category_id: number;
+  categoryId: number;
   category?: Category;
   brand?: string;
   specification?: string;
-  base_unit_id: number;
+  baseUnitId: number;
-  base_unit?: Unit;
+  baseUnit?: Unit;
-  large_unit_id?: number;
+  largeUnitId?: number;
-  large_unit?: Unit;
+  largeUnit?: Unit;
-  conversion_rate?: number;
+  conversionRate?: number;
-  purchase_unit_id?: number;
+  purchaseUnitId?: number;
-  purchase_unit?: Unit;
+  purchaseUnit?: Unit;
-  created_at: string;
+  createdAt?: string;
-  updated_at: string;
+  updatedAt?: string;
 }
 
 interface PageProps {
@@ -163,7 +163,7 @@ export default function ProductManagement({ products, categories, units, filters
     setIsDialogOpen(true);
   };
 
-  const handleDeleteProduct = (id: number) => {
+  const handleDeleteProduct = (id: string) => {
     router.delete(route('products.destroy', id), {
       onSuccess: () => {
         // Toast handled by flash message

resources/js/Pages/Production/Create.tsx

@@ -53,18 +53,18 @@ interface InventoryOption {
 }
 
 interface BomItem {
-    // Backend required
+    // 後端必填
-    inventory_id: string; // The selected inventory record ID (Specific Batch)
+    inventory_id: string; // 所選庫存記錄 ID（特定批號）
-    quantity_used: string; // The converted final quantity (Base Unit)
+    quantity_used: string; // 轉換後的最終數量（基本單位）
-    unit_id: string; // The unit ID (Base Unit ID usually)
+    unit_id: string; // 單位 ID（通常為基本單位 ID）
 
-    // UI State
+    // UI 狀態
-    ui_warehouse_id: string; // Source Warehouse
+    ui_warehouse_id: string; // 來源倉庫
-    ui_product_id: string; // Filter for batch list
+    ui_product_id: string; // 批號列表篩選
-    ui_input_quantity: string; // User typed quantity
+    ui_input_quantity: string; // 使用者輸入數量
-    ui_selected_unit: 'base' | 'large'; // User selected unit
+    ui_selected_unit: 'base' | 'large'; // 使用者選擇單位
 
-    // UI Helpers / Cache
+    // UI 輔助 / 快取
     ui_product_name?: string;
     ui_batch_number?: string;
     ui_available_qty?: number;
@@ -83,8 +83,8 @@ interface Props {
 }
 
 export default function ProductionCreate({ products, warehouses }: Props) {
-    const [selectedWarehouse, setSelectedWarehouse] = useState<string>(""); // Output Warehouse
+    const [selectedWarehouse, setSelectedWarehouse] = useState<string>(""); // 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>>({});
 
@@ -102,7 +102,7 @@ export default function ProductionCreate({ products, warehouses }: Props) {
         items: [] as { inventory_id: number; quantity_used: number; unit_id: number | null }[],
     });
 
-    // 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;
 

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 狀態
-    ui_warehouse_id: string; // Source Warehouse
+    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 }] : []);
 
 

resources/js/Pages/Production/Recipe/Create.tsx

@@ -0,0 +1,320 @@
+/**
+ * 新增配方頁面
+ */
+
+import { useState, useEffect } from "react";
+import { BookOpen, Plus, Trash2, ArrowLeft, Save } from 'lucide-react';
+import { Button } from "@/Components/ui/button";
+import AuthenticatedLayout from "@/Layouts/AuthenticatedLayout";
+import { Head, router, useForm, Link } from "@inertiajs/react";
+import { toast } from "sonner";
+import { getBreadcrumbs } from "@/utils/breadcrumb";
+import { SearchableSelect } from "@/Components/ui/searchable-select";
+import { Input } from "@/Components/ui/input";
+import { Label } from "@/Components/ui/label";
+import { Textarea } from "@/Components/ui/textarea";
+import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/Components/ui/table";
+
+interface Product {
+    id: number;
+    name: string;
+    code: string;
+    base_unit_id?: number;
+    large_unit_id?: number;
+}
+
+interface Unit {
+    id: number;
+    name: string;
+}
+
+interface RecipeItem {
+    product_id: string;
+    quantity: string;
+    unit_id: string;
+    remark: string;
+    // UI Helpers
+    ui_product_name?: string;
+    ui_product_code?: string;
+}
+
+interface Props {
+    products: Product[];
+    units: Unit[];
+}
+
+export default function RecipeCreate({ products, units }: Props) {
+    const { data, setData, post, processing, errors } = useForm({
+        product_id: "",
+        code: "",
+        name: "",
+        description: "",
+        yield_quantity: "1",
+        items: [] as RecipeItem[],
+    });
+
+    // 自動產生配方名稱 (當選擇商品時)
+    useEffect(() => {
+        if (data.product_id && !data.name) {
+            const product = products.find(p => String(p.id) === data.product_id);
+            if (product) {
+                setData(d => ({ ...d, name: `${product.name} 標準配方` }));
+            }
+        }
+        // 自動產生代號 (簡易版)
+        if (data.product_id && !data.code) {
+            const product = products.find(p => String(p.id) === data.product_id);
+            if (product) {
+                setData(d => ({ ...d, code: `REC-${product.code}` }));
+            }
+        }
+    }, [data.product_id]);
+
+    const addItem = () => {
+        setData('items', [
+            ...data.items,
+            { product_id: "", quantity: "1", unit_id: "", remark: "" }
+        ]);
+    };
+
+    const removeItem = (index: number) => {
+        setData('items', data.items.filter((_, i) => i !== index));
+    };
+
+    const updateItem = (index: number, field: keyof RecipeItem, value: string) => {
+        const newItems = [...data.items];
+        newItems[index] = { ...newItems[index], [field]: value };
+
+        // Auto-fill unit when product selected
+        if (field === 'product_id') {
+            const product = products.find(p => String(p.id) === value);
+            if (product) {
+                newItems[index].ui_product_name = product.name;
+                newItems[index].ui_product_code = product.code;
+                // Default to base unit
+                if (product.base_unit_id) {
+                    newItems[index].unit_id = String(product.base_unit_id);
+                }
+            }
+        }
+
+        setData('items', newItems);
+    };
+
+    const handleSubmit = (e: React.FormEvent) => {
+        e.preventDefault();
+        post(route('recipes.store'), {
+            onSuccess: () => {
+                toast.success("配方已建立");
+            },
+            onError: (errors) => {
+                toast.error("儲存失敗，請檢查欄位");
+            }
+        });
+    };
+
+    return (
+        <AuthenticatedLayout breadcrumbs={getBreadcrumbs("recipes", [{ label: "新增", isPage: true }])}>
+            <Head title="新增配方" />
+            <div className="container mx-auto p-6 max-w-7xl">
+                <div className="mb-6">
+                    <Link href={route('recipes.index')}>
+                        <Button
+                            variant="outline"
+                            className="gap-2 button-outlined-primary mb-6"
+                        >
+                            <ArrowLeft className="h-4 w-4" />
+                            返回列表
+                        </Button>
+                    </Link>
+
+                    <div className="flex items-center justify-between">
+                        <div>
+                            <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
+                                <BookOpen className="h-6 w-6 text-primary-main" />
+                                新增配方
+                            </h1>
+                            <p className="text-gray-500 mt-1">
+                                定義新的生產配方
+                            </p>
+                        </div>
+                        <Button
+                            onClick={handleSubmit}
+                            disabled={processing}
+                            className="button-filled-primary gap-2"
+                        >
+                            <Save className="h-4 w-4" />
+                            儲存配方
+                        </Button>
+                    </div>
+                </div>
+
+                <div className="grid grid-cols-1 lg:grid-cols-3 gap-6">
+                    {/* 左側：基本資料 */}
+                    <div className="lg:col-span-1 space-y-6">
+                        <div className="bg-white p-6 rounded-lg shadow-sm border border-gray-200">
+                            <h2 className="text-lg font-semibold mb-4">基本資料</h2>
+                            <div className="space-y-4">
+                                <div className="space-y-1">
+                                    <Label className="text-xs font-medium text-grey-2">對應成品 *</Label>
+                                    <SearchableSelect
+                                        value={data.product_id}
+                                        onValueChange={(v) => setData('product_id', v)}
+                                        options={products.map(p => ({
+                                            label: `${p.name} (${p.code})`,
+                                            value: String(p.id),
+                                        }))}
+                                        placeholder="選擇商品"
+                                        className="w-full"
+                                    />
+                                    {errors.product_id && <p className="text-red-500 text-xs">{errors.product_id}</p>}
+                                </div>
+
+                                <div className="space-y-1">
+                                    <Label className="text-xs font-medium text-grey-2">配方代號 *</Label>
+                                    <Input
+                                        value={data.code}
+                                        onChange={(e) => setData('code', e.target.value)}
+                                        placeholder="例如: REC-P001"
+                                    />
+                                    {errors.code && <p className="text-red-500 text-xs">{errors.code}</p>}
+                                </div>
+
+                                <div className="space-y-1">
+                                    <Label className="text-xs font-medium text-grey-2">配方名稱 *</Label>
+                                    <Input
+                                        value={data.name}
+                                        onChange={(e) => setData('name', e.target.value)}
+                                        placeholder="例如: 草莓冰標準配方"
+                                    />
+                                    {errors.name && <p className="text-red-500 text-xs">{errors.name}</p>}
+                                </div>
+
+                                <div className="space-y-1">
+                                    <Label className="text-xs font-medium text-grey-2">標準產出量 *</Label>
+                                    <div className="flex items-center gap-2">
+                                        <Input
+                                            type="number"
+                                            value={data.yield_quantity}
+                                            onChange={(e) => setData('yield_quantity', e.target.value)}
+                                            placeholder="1"
+                                        />
+                                        <span className="text-sm text-gray-500">份</span>
+                                    </div>
+                                    {errors.yield_quantity && <p className="text-red-500 text-xs">{errors.yield_quantity}</p>}
+                                </div>
+
+                                <div className="space-y-1">
+                                    <Label className="text-xs font-medium text-grey-2">描述</Label>
+                                    <Textarea
+                                        value={data.description}
+                                        onChange={(e) => setData('description', e.target.value)}
+                                        placeholder="備註說明..."
+                                        rows={3}
+                                    />
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+
+                    {/* 右側：配方明細 */}
+                    <div className="lg:col-span-2">
+                        <div className="bg-white p-6 rounded-lg shadow-sm border border-gray-200 h-full">
+                            <div className="flex items-center justify-between mb-4">
+                                <h2 className="text-lg font-semibold">配方明細 (BOM)</h2>
+                                <Button
+                                    type="button"
+                                    variant="outline"
+                                    onClick={addItem}
+                                    className="gap-2 button-filled-primary text-white"
+                                >
+                                    <Plus className="h-4 w-4" />
+                                    新增原料
+                                </Button>
+                            </div>
+
+                            <div className="border rounded-lg overflow-hidden">
+                                <Table>
+                                    <TableHeader className="bg-gray-50">
+                                        <TableRow>
+                                            <TableHead className="w-[35%]">原物料商品</TableHead>
+                                            <TableHead className="w-[20%]">標準用量</TableHead>
+                                            <TableHead className="w-[20%]">單位</TableHead>
+                                            <TableHead className="w-[20%]">備註</TableHead>
+                                            <TableHead className="w-[5%]"></TableHead>
+                                        </TableRow>
+                                    </TableHeader>
+                                    <TableBody>
+                                        {data.items.length === 0 ? (
+                                            <TableRow>
+                                                <TableCell colSpan={5} className="h-24 text-center text-gray-500">
+                                                    請新增原物料項目
+                                                </TableCell>
+                                            </TableRow>
+                                        ) : (
+                                            data.items.map((item, index) => (
+                                                <TableRow key={index}>
+                                                    <TableCell className="align-top">
+                                                        <SearchableSelect
+                                                            value={item.product_id}
+                                                            onValueChange={(v) => updateItem(index, 'product_id', v)}
+                                                            options={products.map(p => ({
+                                                                label: `${p.name} (${p.code})`,
+                                                                value: String(p.id)
+                                                            }))}
+                                                            placeholder="選擇原料"
+                                                            className="w-full"
+                                                        />
+                                                    </TableCell>
+                                                    <TableCell className="align-top">
+                                                        <Input
+                                                            type="number"
+                                                            step="0.0001"
+                                                            value={item.quantity}
+                                                            onChange={(e) => updateItem(index, 'quantity', e.target.value)}
+                                                            placeholder="數量"
+                                                        />
+                                                    </TableCell>
+                                                    <TableCell className="align-top">
+                                                        <SearchableSelect
+                                                            value={item.unit_id}
+                                                            onValueChange={(v) => updateItem(index, 'unit_id', v)}
+                                                            options={units.map(u => ({
+                                                                label: u.name,
+                                                                value: String(u.id)
+                                                            }))}
+                                                            placeholder="單位"
+                                                            className="w-full"
+                                                        />
+                                                    </TableCell>
+                                                    <TableCell className="align-top">
+                                                        <Input
+                                                            value={item.remark}
+                                                            onChange={(e) => updateItem(index, 'remark', e.target.value)}
+                                                            placeholder="備註"
+                                                        />
+                                                    </TableCell>
+                                                    <TableCell className="align-top">
+                                                        <Button
+                                                            variant="ghost"
+                                                            size="sm"
+                                                            onClick={() => removeItem(index)}
+                                                            className="text-red-500 hover:text-red-700 hover:bg-red-50"
+                                                        >
+                                                            <Trash2 className="h-4 w-4" />
+                                                        </Button>
+                                                    </TableCell>
+                                                </TableRow>
+                                            ))
+                                        )}
+                                    </TableBody>
+                                </Table>
+                            </div>
+                            {errors.items && <p className="text-red-500 text-sm mt-2">{errors.items}</p>}
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </AuthenticatedLayout>
+    );
+}

resources/js/Pages/Production/Recipe/Edit.tsx

@@ -0,0 +1,344 @@
+/**
+ * 編輯配方頁面
+ */
+
+import { useState, useEffect } from "react";
+import { BookOpen, Plus, Trash2, ArrowLeft, Save } from 'lucide-react';
+import { Button } from "@/Components/ui/button";
+import AuthenticatedLayout from "@/Layouts/AuthenticatedLayout";
+import { Head, router, useForm, Link } from "@inertiajs/react";
+import { toast } from "sonner";
+import { getBreadcrumbs } from "@/utils/breadcrumb";
+import { SearchableSelect } from "@/Components/ui/searchable-select";
+import { Input } from "@/Components/ui/input";
+import { Label } from "@/Components/ui/label";
+import { Textarea } from "@/Components/ui/textarea";
+import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/Components/ui/table";
+
+interface Product {
+    id: number;
+    name: string;
+    code: string;
+    base_unit_id?: number;
+    large_unit_id?: number;
+}
+
+interface Unit {
+    id: number;
+    name: string;
+}
+
+// Backend Model Structure
+interface RecipeItemModel {
+    id: number;
+    product_id: number;
+    quantity: number;
+    unit_id: number;
+    remark: string | null;
+    product?: Product;
+    unit?: Unit;
+}
+
+interface RecipeModel {
+    id: number;
+    product_id: number;
+    code: string;
+    name: string;
+    description: string | null;
+    yield_quantity: number;
+    items: RecipeItemModel[];
+    product?: Product;
+}
+
+// Form State Structure
+interface RecipeItemForm {
+    product_id: string;
+    quantity: string;
+    unit_id: string;
+    remark: string;
+    // UI Helpers
+    ui_product_name?: string;
+    ui_product_code?: string;
+}
+
+interface Props {
+    recipe: RecipeModel;
+    products: Product[];
+    units: Unit[];
+}
+
+export default function RecipeEdit({ recipe, products, units }: Props) {
+    const { data, setData, put, processing, errors } = useForm({
+        product_id: String(recipe.product_id),
+        code: recipe.code,
+        name: recipe.name,
+        description: recipe.description || "",
+        yield_quantity: String(recipe.yield_quantity),
+        items: recipe.items.map(item => ({
+            product_id: String(item.product_id),
+            quantity: String(item.quantity),
+            unit_id: String(item.unit_id),
+            remark: item.remark || "",
+            ui_product_name: item.product?.name,
+            ui_product_code: item.product?.code
+        })) as RecipeItemForm[],
+    });
+
+    // 自動產生配方名稱 (當選擇商品時) - 僅在名稱為空時觸發，避免覆蓋舊資料
+    useEffect(() => {
+        if (data.product_id && !data.name) {
+            const product = products.find(p => String(p.id) === data.product_id);
+            if (product) {
+                setData(d => ({ ...d, name: `${product.name} 標準配方` }));
+            }
+        }
+    }, [data.product_id]);
+
+    const addItem = () => {
+        setData('items', [
+            ...data.items,
+            { product_id: "", quantity: "1", unit_id: "", remark: "" }
+        ]);
+    };
+
+    const removeItem = (index: number) => {
+        setData('items', data.items.filter((_, i) => i !== index));
+    };
+
+    const updateItem = (index: number, field: keyof RecipeItemForm, value: string) => {
+        const newItems = [...data.items];
+        newItems[index] = { ...newItems[index], [field]: value };
+
+        // Auto-fill unit when product selected
+        if (field === 'product_id') {
+            const product = products.find(p => String(p.id) === value);
+            if (product) {
+                newItems[index].ui_product_name = product.name;
+                newItems[index].ui_product_code = product.code;
+                // Default to base unit if not set
+                if (product.base_unit_id) {
+                    newItems[index].unit_id = String(product.base_unit_id);
+                }
+            }
+        }
+
+        setData('items', newItems);
+    };
+
+    const handleSubmit = (e: React.FormEvent) => {
+        e.preventDefault();
+        put(route('recipes.update', recipe.id), {
+            onSuccess: () => {
+                toast.success("配方已更新");
+            },
+            onError: (errors) => {
+                toast.error("儲存失敗，請檢查欄位");
+            }
+        });
+    };
+
+    return (
+        <AuthenticatedLayout breadcrumbs={getBreadcrumbs("recipes", [{ label: "編輯", isPage: true }])}>
+            <Head title="編輯配方" />
+            <div className="container mx-auto p-6 max-w-7xl">
+                <div className="mb-6">
+                    <Link href={route('recipes.index')}>
+                        <Button
+                            variant="outline"
+                            className="gap-2 button-outlined-primary mb-6"
+                        >
+                            <ArrowLeft className="h-4 w-4" />
+                            返回列表
+                        </Button>
+                    </Link>
+
+                    <div className="flex items-center justify-between">
+                        <div>
+                            <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
+                                <BookOpen className="h-6 w-6 text-primary-main" />
+                                編輯配方
+                            </h1>
+                            <p className="text-gray-500 mt-1">
+                                修改 {recipe.name} ({recipe.code})
+                            </p>
+                        </div>
+                        <Button
+                            onClick={handleSubmit}
+                            disabled={processing}
+                            className="button-filled-primary gap-2"
+                        >
+                            <Save className="h-4 w-4" />
+                            儲存變更
+                        </Button>
+                    </div>
+                </div>
+
+                <div className="grid grid-cols-1 lg:grid-cols-3 gap-6">
+                    {/* 左側：基本資料 */}
+                    <div className="lg:col-span-1 space-y-6">
+                        <div className="bg-white p-6 rounded-lg shadow-sm border border-gray-200">
+                            <h2 className="text-lg font-semibold mb-4">基本資料</h2>
+                            <div className="space-y-4">
+                                <div className="space-y-1">
+                                    <Label className="text-xs font-medium text-grey-2">對應成品 *</Label>
+                                    <SearchableSelect
+                                        value={data.product_id}
+                                        onValueChange={(v) => setData('product_id', v)}
+                                        options={products.map(p => ({
+                                            label: `${p.name} (${p.code})`,
+                                            value: String(p.id),
+                                        }))}
+                                        placeholder="選擇商品"
+                                        className="w-full"
+                                    />
+                                    {errors.product_id && <p className="text-red-500 text-xs">{errors.product_id}</p>}
+                                </div>
+
+                                <div className="space-y-1">
+                                    <Label className="text-xs font-medium text-grey-2">配方代號 *</Label>
+                                    <Input
+                                        value={data.code}
+                                        onChange={(e) => setData('code', e.target.value)}
+                                        placeholder="例如: REC-P001"
+                                    />
+                                    {errors.code && <p className="text-red-500 text-xs">{errors.code}</p>}
+                                </div>
+
+                                <div className="space-y-1">
+                                    <Label className="text-xs font-medium text-grey-2">配方名稱 *</Label>
+                                    <Input
+                                        value={data.name}
+                                        onChange={(e) => setData('name', e.target.value)}
+                                        placeholder="例如: 草莓冰標準配方"
+                                    />
+                                    {errors.name && <p className="text-red-500 text-xs">{errors.name}</p>}
+                                </div>
+
+                                <div className="space-y-1">
+                                    <Label className="text-xs font-medium text-grey-2">標準產出量 *</Label>
+                                    <div className="flex items-center gap-2">
+                                        <Input
+                                            type="number"
+                                            value={data.yield_quantity}
+                                            onChange={(e) => setData('yield_quantity', e.target.value)}
+                                            placeholder="1"
+                                        />
+                                        <span className="text-sm text-gray-500">份</span>
+                                    </div>
+                                    {errors.yield_quantity && <p className="text-red-500 text-xs">{errors.yield_quantity}</p>}
+                                </div>
+
+                                <div className="space-y-1">
+                                    <Label className="text-xs font-medium text-grey-2">描述</Label>
+                                    <Textarea
+                                        value={data.description}
+                                        onChange={(e) => setData('description', e.target.value)}
+                                        placeholder="備註說明..."
+                                        rows={3}
+                                    />
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+
+                    {/* 右側：配方明細 */}
+                    <div className="lg:col-span-2">
+                        <div className="bg-white p-6 rounded-lg shadow-sm border border-gray-200 h-full">
+                            <div className="flex items-center justify-between mb-4">
+                                <h2 className="text-lg font-semibold">配方明細 (BOM)</h2>
+                                <Button
+                                    type="button"
+                                    variant="outline"
+                                    onClick={addItem}
+                                    className="gap-2 button-filled-primary text-white"
+                                >
+                                    <Plus className="h-4 w-4" />
+                                    新增原料
+                                </Button>
+                            </div>
+
+                            <div className="border rounded-lg overflow-hidden">
+                                <Table>
+                                    <TableHeader className="bg-gray-50">
+                                        <TableRow>
+                                            <TableHead className="w-[35%]">原物料商品</TableHead>
+                                            <TableHead className="w-[20%]">標準用量</TableHead>
+                                            <TableHead className="w-[20%]">單位</TableHead>
+                                            <TableHead className="w-[20%]">備註</TableHead>
+                                            <TableHead className="w-[5%]"></TableHead>
+                                        </TableRow>
+                                    </TableHeader>
+                                    <TableBody>
+                                        {data.items.length === 0 ? (
+                                            <TableRow>
+                                                <TableCell colSpan={5} className="h-24 text-center text-gray-500">
+                                                    請新增原物料項目
+                                                </TableCell>
+                                            </TableRow>
+                                        ) : (
+                                            data.items.map((item, index) => (
+                                                <TableRow key={index}>
+                                                    <TableCell className="align-top">
+                                                        <SearchableSelect
+                                                            value={item.product_id}
+                                                            onValueChange={(v) => updateItem(index, 'product_id', v)}
+                                                            options={products.map(p => ({
+                                                                label: `${p.name} (${p.code})`,
+                                                                value: String(p.id)
+                                                            }))}
+                                                            placeholder="選擇原料"
+                                                            className="w-full"
+                                                        />
+                                                    </TableCell>
+                                                    <TableCell className="align-top">
+                                                        <Input
+                                                            type="number"
+                                                            step="0.0001"
+                                                            value={item.quantity}
+                                                            onChange={(e) => updateItem(index, 'quantity', e.target.value)}
+                                                            placeholder="數量"
+                                                        />
+                                                    </TableCell>
+                                                    <TableCell className="align-top">
+                                                        <SearchableSelect
+                                                            value={item.unit_id}
+                                                            onValueChange={(v) => updateItem(index, 'unit_id', v)}
+                                                            options={units.map(u => ({
+                                                                label: u.name,
+                                                                value: String(u.id)
+                                                            }))}
+                                                            placeholder="單位"
+                                                            className="w-full"
+                                                        />
+                                                    </TableCell>
+                                                    <TableCell className="align-top">
+                                                        <Input
+                                                            value={item.remark}
+                                                            onChange={(e) => updateItem(index, 'remark', e.target.value)}
+                                                            placeholder="備註"
+                                                        />
+                                                    </TableCell>
+                                                    <TableCell className="align-top">
+                                                        <Button
+                                                            variant="ghost"
+                                                            size="sm"
+                                                            onClick={() => removeItem(index)}
+                                                            className="text-red-500 hover:text-red-700 hover:bg-red-50"
+                                                        >
+                                                            <Trash2 className="h-4 w-4" />
+                                                        </Button>
+                                                    </TableCell>
+                                                </TableRow>
+                                            ))
+                                        )}
+                                    </TableBody>
+                                </Table>
+                            </div>
+                            {errors.items && <p className="text-red-500 text-sm mt-2">{errors.items}</p>}
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </AuthenticatedLayout>
+    );
+}

resources/js/Pages/Production/Recipe/Index.tsx

@@ -0,0 +1,263 @@
+/**
+ * 配方管理主頁面
+ */
+
+import { useState, useEffect } from "react";
+import { Plus, Search, RotateCcw, Pencil, Trash2, BookOpen } from 'lucide-react';
+import { Button } from "@/Components/ui/button";
+import AuthenticatedLayout from "@/Layouts/AuthenticatedLayout";
+import { Head, router, Link } from "@inertiajs/react";
+import Pagination from "@/Components/shared/Pagination";
+import { getBreadcrumbs } from "@/utils/breadcrumb";
+import { SearchableSelect } from "@/Components/ui/searchable-select";
+import { Input } from "@/Components/ui/input";
+import { Label } from "@/Components/ui/label";
+import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/Components/ui/table";
+import { Badge } from "@/Components/ui/badge";
+
+interface Recipe {
+    id: number;
+    code: string;
+    name: string;
+    product_id: number;
+    product?: { id: number; name: string; code: string };
+    yield_quantity: number;
+    is_active: boolean;
+    description: string;
+    updated_at: string;
+}
+
+interface Props {
+    recipes: {
+        data: Recipe[];
+        links: any[];
+        total: number;
+        from: number;
+        to: number;
+    };
+    filters: {
+        search?: string;
+        per_page?: string;
+        sort_field?: string;
+        sort_direction?: string;
+    };
+}
+
+export default function RecipeIndex({ recipes, filters }: Props) {
+    const [search, setSearch] = useState(filters.search || "");
+    const [perPage, setPerPage] = useState<string>(filters.per_page || "10");
+
+    useEffect(() => {
+        setSearch(filters.search || "");
+        setPerPage(filters.per_page || "10");
+    }, [filters]);
+
+    const handleFilter = () => {
+        router.get(
+            route('recipes.index'),
+            {
+                search,
+                per_page: perPage,
+            },
+            { preserveState: true, replace: true }
+        );
+    };
+
+    const handleReset = () => {
+        setSearch("");
+        router.get(route('recipes.index'));
+    };
+
+    const handlePerPageChange = (value: string) => {
+        setPerPage(value);
+        router.get(
+            route("recipes.index"),
+            { ...filters, per_page: value },
+            { preserveState: false, replace: true, preserveScroll: true }
+        );
+    };
+
+    const handleDelete = (id: number) => {
+        if (confirm("確定要刪除此配方嗎？")) {
+            router.delete(route('recipes.destroy', id));
+        }
+    };
+
+    return (
+        <AuthenticatedLayout breadcrumbs={getBreadcrumbs("recipes")}>
+            <Head title="配方管理" />
+            <div className="container mx-auto p-6 max-w-7xl">
+                <div className="flex items-center justify-between mb-6">
+                    <div>
+                        <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
+                            <BookOpen className="h-6 w-6 text-primary-main" />
+                            配方管理
+                        </h1>
+                        <p className="text-gray-500 mt-1">
+                            管理產品的標準生產配方與用量
+                        </p>
+                    </div>
+                    <div className="flex gap-2">
+                        <Link href={route('recipes.create')}>
+                            <Button className="gap-2 button-filled-primary">
+                                <Plus className="h-4 w-4" />
+                                新增配方
+                            </Button>
+                        </Link>
+                    </div>
+                </div>
+
+                {/* 篩選區塊 */}
+                <div className="bg-white rounded-lg shadow-sm border border-gray-200 mb-6 overflow-hidden">
+                    <div className="p-5">
+                        <div className="grid grid-cols-1 md:grid-cols-12 gap-4">
+                            <div className="md:col-span-12 space-y-1">
+                                <Label className="text-xs font-medium text-grey-2">關鍵字搜尋</Label>
+                                <div className="relative">
+                                    <Search className="absolute left-3 top-1/2 transform -translate-y-1/2 text-gray-400 h-4 w-4" />
+                                    <Input
+                                        placeholder="搜尋配方代號、名稱、產品名稱..."
+                                        value={search}
+                                        onChange={(e) => setSearch(e.target.value)}
+                                        className="pl-10 h-9 block"
+                                        onKeyDown={(e) => e.key === 'Enter' && handleFilter()}
+                                    />
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+
+                    <div className="flex items-center justify-end px-5 py-4 bg-gray-50/50 border-t border-gray-100 gap-3">
+                        <Button
+                            variant="outline"
+                            onClick={handleReset}
+                            className="button-outlined-primary h-9 gap-2"
+                        >
+                            <RotateCcw className="h-4 w-4" />
+                            重置
+                        </Button>
+                        <Button
+                            onClick={handleFilter}
+                            className="button-filled-primary h-9 px-6 gap-2"
+                        >
+                            <Search className="h-4 w-4" />
+                            搜尋
+                        </Button>
+                    </div>
+                </div>
+
+                {/* 配方列表 */}
+                <div className="bg-white rounded-xl border border-gray-200 shadow-sm overflow-hidden">
+                    <Table>
+                        <TableHeader className="bg-gray-50">
+                            <TableRow>
+                                <TableHead className="w-[120px]">配方代號</TableHead>
+                                <TableHead>配方名稱</TableHead>
+                                <TableHead>對應成品</TableHead>
+                                <TableHead className="text-right">標準產量</TableHead>
+                                <TableHead className="text-center w-[100px]">狀態</TableHead>
+                                <TableHead className="w-[150px]">更新時間</TableHead>
+                                <TableHead className="text-center w-[120px]">操作</TableHead>
+                            </TableRow>
+                        </TableHeader>
+                        <TableBody>
+                            {recipes.data.length === 0 ? (
+                                <TableRow>
+                                    <TableCell colSpan={7} className="h-32 text-center text-gray-500">
+                                        <div className="flex flex-col items-center justify-center gap-2">
+                                            <BookOpen className="h-10 w-10 text-gray-300" />
+                                            <p>尚無配方資料</p>
+                                        </div>
+                                    </TableCell>
+                                </TableRow>
+                            ) : (
+                                recipes.data.map((recipe) => (
+                                    <TableRow key={recipe.id}>
+                                        <TableCell className="font-medium text-gray-900">
+                                            {recipe.code}
+                                        </TableCell>
+                                        <TableCell>
+                                            <div className="flex flex-col">
+                                                <span className="font-medium text-gray-900">{recipe.name}</span>
+                                                {recipe.description && (
+                                                    <span className="text-gray-400 text-xs truncate max-w-[200px]">
+                                                        {recipe.description}
+                                                    </span>
+                                                )}
+                                            </div>
+                                        </TableCell>
+                                        <TableCell>
+                                            {recipe.product ? (
+                                                <div className="flex flex-col">
+                                                    <span className="font-medium">{recipe.product.name}</span>
+                                                    <span className="text-xs text-gray-400">{recipe.product.code}</span>
+                                                </div>
+                                            ) : '-'}
+                                        </TableCell>
+                                        <TableCell className="text-right font-medium">
+                                            {recipe.yield_quantity}
+                                        </TableCell>
+                                        <TableCell className="text-center">
+                                            <Badge variant={recipe.is_active ? "default" : "secondary"}>
+                                                {recipe.is_active ? "啟用" : "停用"}
+                                            </Badge>
+                                        </TableCell>
+                                        <TableCell className="text-gray-500 text-sm">
+                                            {new Date(recipe.updated_at).toLocaleDateString()}
+                                        </TableCell>
+                                        <TableCell className="text-center">
+                                            <div className="flex items-center justify-center gap-2">
+                                                <Link href={route('recipes.edit', recipe.id)}>
+                                                    <Button
+                                                        variant="outline"
+                                                        size="sm"
+                                                        className="button-outlined-primary"
+                                                        title="編輯"
+                                                    >
+                                                        <Pencil className="h-4 w-4" />
+                                                    </Button>
+                                                </Link>
+                                                <Button
+                                                    variant="ghost"
+                                                    size="sm"
+                                                    onClick={() => handleDelete(recipe.id)}
+                                                    className="text-red-500 hover:text-red-700 hover:bg-red-50"
+                                                    title="刪除"
+                                                >
+                                                    <Trash2 className="h-4 w-4" />
+                                                </Button>
+                                            </div>
+                                        </TableCell>
+                                    </TableRow>
+                                ))
+                            )}
+                        </TableBody>
+                    </Table>
+                </div>
+
+                {/* 分頁 */}
+                <div className="mt-4 flex flex-col sm:flex-row items-start sm:items-center justify-between gap-4">
+                    <div className="flex items-center gap-2 text-sm text-gray-500">
+                        <span>每頁顯示</span>
+                        <SearchableSelect
+                            value={perPage}
+                            onValueChange={handlePerPageChange}
+                            options={[
+                                { label: "10", value: "10" },
+                                { label: "20", value: "20" },
+                                { label: "50", value: "50" },
+                                { label: "100", value: "100" }
+                            ]}
+                            className="w-[100px] h-8"
+                            showSearch={false}
+                        />
+                        <span>筆</span>
+                    </div>
+                    <div className="w-full sm:w-auto flex justify-center sm:justify-end">
+                        <Pagination links={recipes.links} />
+                    </div>
+                </div>
+            </div>
+        </AuthenticatedLayout>
+    );
+}

resources/js/Pages/Vendor/Index.tsx

@@ -13,20 +13,20 @@ import Pagination from "@/Components/shared/Pagination";
 import { SearchableSelect } from "@/Components/ui/searchable-select";
 
 export interface Vendor {
-    id: number;
+    id: string;
     code: string;
     name: string;
-    short_name?: string;
+    shortName?: string;
-    tax_id?: string;
+    taxId?: string;
     owner?: string;
-    contact_name?: string;
+    contactName?: string;
     tel?: string;
     phone?: string;
     email?: string;
     address?: string;
     remark?: string;
-    created_at: string;
+    createdAt?: string;
-    updated_at: string;
+    updatedAt?: string;
 }
 
 interface PageProps {
@@ -126,7 +126,7 @@ export default function VendorManagement({ vendors, filters }: PageProps) {
         router.get(route("vendors.show", vendor.id));
     };
 
-    const handleDeleteVendor = (id: number) => {
+    const handleDeleteVendor = (id: string) => {
         router.delete(route('vendors.destroy', id));
     };
 

resources/js/Pages/Warehouse/Index.tsx

@@ -13,6 +13,7 @@ import Pagination from "@/Components/shared/Pagination";
 import { toast } from "sonner";
 import { getBreadcrumbs } from "@/utils/breadcrumb";
 import { Can } from "@/Components/Permission/Can";
+import { Card, CardContent } from "@/Components/ui/card";
 
 interface PageProps {
     warehouses: {
@@ -22,12 +23,16 @@ interface PageProps {
         last_page: number;
         total: number;
     };
+    totals: {
+        available_stock: number;
+        book_stock: number;
+    };
     filters: {
         search?: string;
     };
 }
 
-export default function WarehouseIndex({ warehouses, filters }: PageProps) {
+export default function WarehouseIndex({ warehouses, totals, filters }: PageProps) {
     // 篩選狀態
     const [searchTerm, setSearchTerm] = useState(filters.search || "");
 
@@ -119,6 +124,31 @@ export default function WarehouseIndex({ warehouses, filters }: PageProps) {
                     </p>
                 </div>
 
+                {/* 統計區塊 */}
+                <div className="grid grid-cols-1 md:grid-cols-2 gap-6 mb-6">
+                    <Card className="shadow-sm">
+                        <CardContent className="p-6">
+                            <div className="flex flex-col">
+                                <span className="text-sm font-medium text-gray-500 mb-1">可用庫存總計</span>
+                                <span className="text-3xl font-bold text-blue-600">
+                                    {totals.available_stock.toLocaleString()}
+                                </span>
+                            </div>
+                        </CardContent>
+                    </Card>
+
+                    <Card className="shadow-sm">
+                        <CardContent className="p-6">
+                            <div className="flex flex-col">
+                                <span className="text-sm font-medium text-gray-500 mb-1">帳面庫存總計</span>
+                                <span className="text-3xl font-bold text-gray-700">
+                                    {totals.book_stock.toLocaleString()}
+                                </span>
+                            </div>
+                        </CardContent>
+                    </Card>
+                </div>
+
                 {/* 工具列 */}
                 <div className="bg-white rounded-lg shadow-sm border p-4 mb-6">
                     <div className="flex flex-col md:flex-row gap-4 items-start md:items-center justify-between">

resources/js/types/warehouse.ts

@@ -27,6 +27,9 @@ export interface Warehouse {
   total_quantity?: number;
   low_stock_count?: number;
   type?: WarehouseType;
+  is_sellable?: boolean; // 新增欄位
+  book_stock?: number; // 帳面庫存
+  available_stock?: number; // 可用庫存
 }
 // 倉庫中的庫存項目
 export interface WarehouseInventory {

resources/js/utils/breadcrumb.ts

@@ -36,6 +36,10 @@ export const BREADCRUMB_MAP: Record<string, BreadcrumbItemType[]> = {
         { label: "生產工單", href: "/production-orders" },
         { label: "詳情", isPage: true }
     ],
+    recipes: [
+        { label: "生產管理" },
+        { label: "配方管理", href: "/recipes", isPage: true }
+    ],
 };
 
 /**

tests/Feature/PurchaseOrderTest.php

@@ -0,0 +1,123 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Modules\Core\Models\User;
+use App\Modules\Inventory\Models\Product;
+use App\Modules\Inventory\Models\Warehouse;
+use App\Modules\Inventory\Models\Unit;
+use App\Modules\Inventory\Models\Category;
+use App\Modules\Procurement\Models\Vendor;
+use App\Modules\Procurement\Models\PurchaseOrder;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\DB;
+use Tests\TestCase;
+
+class PurchaseOrderTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected $tenant;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        
+        // Create a unique tenant for this test run
+        $tenantId = 'test_' . str_replace('.', '', microtime(true));
+        
+        $this->tenant = \App\Modules\Core\Models\Tenant::create([
+            'id' => $tenantId,
+        ]);
+        
+        $this->tenant->domains()->create(['domain' => $tenantId . '.test']);
+
+        tenancy()->initialize($this->tenant);
+
+        // Run PermissionSeeder to ensure roles/permissions exist
+        $this->seed(\Database\Seeders\PermissionSeeder::class);
+
+        // Ensure Unit exists (in Tenant DB)
+        Unit::firstOrCreate(['code' => 'PC'], ['name' => 'Piece']);
+    }
+
+    protected function setupUserWithRole()
+    {
+        $user = User::factory()->create();
+        $user->assignRole('super-admin');
+        $this->actingAs($user);
+        return $user;
+    }
+
+    public function test_index_hydrates_warehouse()
+    {
+        $user = $this->setupUserWithRole();
+
+        $warehouse = Warehouse::create(['name' => 'Main Warehouse', 'code' => 'WH01']);
+        $vendor = Vendor::create(['name' => 'Tech Corp', 'code' => 'V01']);
+
+        PurchaseOrder::create([
+            'code' => 'PO-TEST-001',
+            'vendor_id' => $vendor->id,
+            'warehouse_id' => $warehouse->id,
+            'user_id' => $user->id,
+            'status' => 'draft',
+            'total_amount' => 1000,
+            'tax_amount' => 50,
+            'grand_total' => 1050,
+            'expected_delivery_date' => now(),
+        ]);
+
+        $response = $this->get(route('purchase-orders.index'));
+
+        $response->assertStatus(200);
+        $response->assertInertia(fn ($page) => $page
+            ->component('PurchaseOrder/Index')
+            ->where('orders.data.0.warehouse_name', 'Main Warehouse')
+        );
+    }
+
+    public function test_create_hydrates_vendor_products()
+    {
+        $this->setupUserWithRole();
+
+        // Setup Data
+        $vendor = Vendor::create(['name' => 'Mega Supplier', 'code' => 'V02']);
+        
+        $unit = Unit::first() ?? Unit::create(['name' => 'Box', 'code' => 'BX']);
+        $category = Category::create(['name' => 'General', 'code' => 'GEN']);
+        
+        // Manual Product Creation
+        $product = Product::forceCreate([
+            'name' => 'Super Widget',
+            'code' => 'WIDGET-01',
+            'base_unit_id' => $unit->id,
+            'purchase_unit_id' => $unit->id,
+            'large_unit_id' => $unit->id,
+            'conversion_rate' => 1,
+            'category_id' => $category->id,
+        ]);
+
+        // Attach to Pivot manually (Strict Mode: no relations!)
+        DB::table('product_vendor')->insert([
+            'vendor_id' => $vendor->id,
+            'product_id' => $product->id,
+            'last_price' => 150.00,
+            'created_at' => now(),
+            'updated_at' => now(),
+        ]);
+
+        $response = $this->get(route('purchase-orders.create'));
+
+        $response->assertStatus(200);
+        
+        // Verify Hydration Logic in suppliers prop
+        $response->assertInertia(fn ($page) => $page
+            ->component('PurchaseOrder/Create')
+            ->where('suppliers.0.name', 'Mega Supplier')
+            ->has('suppliers.0.commonProducts')
+            ->where('suppliers.0.commonProducts.0.productName', 'Super Widget')
+            ->where('suppliers.0.commonProducts.0.lastPrice', 150) // Changed from 150.0 to 150
+        );
+    }
+}