refactor: 重構模組通訊與調整儀表板功能

- 依循跨模組通訊規範，將 Sales 與 Production 模組中對 Inventory 的直接模型關聯改為透過 InventoryServiceInterface 取得
- 於 InventoryService 實作獲取最高庫存價值、即將過期商品等方法，供儀表板使用
- 確保所有跨模組調用皆採用手動水和（Manual Hydration）方式組合資料
- 移除本地已歸檔的 .agent 規範檔案

.agents/rules/activity-logging.md

@@ -1,3 +1,7 @@
+---
+trigger: always_on
+---
+
 ---
 name: 操作紀錄實作規範
 description: 規範系統內 Activity Log 的實作標準，包含自動名稱解析、複雜單據合併記錄、與前端顯示優化。

.agents/rules/cross-module-communication.md

@@ -1,3 +1,7 @@
+---
+trigger: always_on
+---
+
 ---
 name: 跨模組調用與通訊規範 (Cross-Module Communication)
 description: 規範 Laravel Modular Monolith 架構下，不同業務模組中如何彼此調用資料與邏輯，包含禁止項目、Interface 實作、與 Service 綁定規則。
@@ -9,7 +13,7 @@ description: 規範 Laravel Modular Monolith 架構下，不同業務模組中
 
 ## 🚫 絕對禁止的行為 (Strict Prohibitions)
 
-*   **禁止跨模組 Eloquent 關聯**
+*   **禁止跨模組 Eloquent 關聯（例外除外）**
     *   **錯誤**：在 `app/Modules/Sales/Models/Order.php` 中撰寫 `public function product() { return $this->belongsTo(\App\Modules\Inventory\Models\Product::class); }`。
     *   **原因**：這會造成資料庫查詢的強耦合。如果 `Inventory` 模組修改了 Schema，`Sales` 模組會無預警崩壞。
 *   **禁止跨模組直接引入 (use) Model**
@@ -19,6 +23,19 @@ description: 規範 Laravel Modular Monolith 架構下，不同業務模組中
 
 ---
 
+## 🌟 允許的全域例外 (Global Exceptions)
+
+雖然我們嚴格禁止跨模組直接相依，但為了開發效率與框架機制的完整性，**`Core` 模組下的特定基礎設施模型 (Infrastructure Models) 被視為全域例外**。
+
+其他業務模組 **可以** 透過 Eloquent (`belongsTo` / `hasMany`) 直接關聯以下 Model：
+1. **`App\Modules\Core\Models\User`**：因為幾乎所有表都有 `created_by` / `updated_by`，直接關聯可保留 `with('creator')` 等便利性。
+2. **`App\Modules\Core\Models\Role`**：權限判定已深度整合至系統底層。
+3. **`App\Modules\Core\Models\Tenant`**：多租戶架構 (Tenancy) 的核心基石，底層查詢會頻繁依賴。
+
+> **⚠️ 注意**：這項例外是單向的。`Core` 模組內的業務邏輯（如 `DashboardController`）**絕對不能**反過來直接 `use` 外部業務模組的 Model，仍必須透過外部模組的 Service Interface 來索取資料。
+
+---
+
 ## ✅ 正確的跨模組調用流程：合約與依賴反轉
 
 所有的跨模組資料交換與功能調用，必須透過**介面化通訊 (Contracts)** 進行。

.agents/rules/framework.md

@@ -2,10 +2,6 @@
 trigger: always_on
 ---
 
----
-trigger: always_on
----
-
 # 開發框架規範說明書：ERP 系統 (star-erp)
 
 ## 1. 專案概述

.agents/rules/permission-management.md

@@ -1,3 +1,7 @@
+---
+trigger: always_on
+---
+
 ---
 name: 權限管理與實作規範
 description: 為新功能實作權限控制的完整流程規範，包含後端 Seeder 設定、Middleware 路由保護與前端權限判斷。

.agents/rules/ui-consistency.md

@@ -0,0 +1,512 @@
+---
+trigger: always_on
+---
+
+---
+name: 客戶端後台 UI 統一規範
+description: 確保 Star ERP 客戶端（租戶端）後台所有頁面的 UI 元件保持統一的樣式與行為
+---
+
+## 概述
+
+本技能提供 Star ERP 系統**客戶端（租戶端）後台**的 UI 統一性規範，確保所有頁面使用一致的元件、樣式類別、圖標和佈局模式。
+
+> **適用範圍**：本規範適用於租戶端後台（使用 `AuthenticatedLayout` 的頁面），**不適用於**中央管理後台（`LandlordLayout`）。
+
+## 核心原則
+
+1. **使用統一的 UI 組件庫**：優先使用 `@/Components/ui/` 中的 47 個元件
+2. **遵循既定的樣式類別**：使用 `app.css` 中定義的自定義按鈕類別
+3. **統一的圖標系統**：全面使用 `lucide-react` 圖標
+4. **一致的佈局模式**：表格、分頁、操作按鈕等保持相同結構
+5. **權限控制**：所有操作按鈕必須使用 `<Can>` 元件包裹
+
+---
+
+## 1. 專案結構
+
+### 1.1 關鍵目錄
+
+```
+resources/
+├── css/
+│   └── app.css              # 全域樣式與設計 Token
+├── js/
+│   ├── Components/
+│   │   ├── ui/              # 47 個基礎 UI 元件 (shadcn/ui)
+│   │   ├── shared/          # 共用業務元件 (Pagination, BreadcrumbNav 等)
+│   │   └── Permission/      # 權限控制元件 (Can, HasRole, CanAll)
+│   ├── Layouts/
+│   │   ├── AuthenticatedLayout.tsx  # 客戶端後台佈局 ⬅️ 本規範適用
+│   │   └── LandlordLayout.tsx       # 中央管理後台佈局
+│   └── Pages/               # 頁面元件
+```
+
+### 1.2 可用 UI 元件清單
+
+```
+accordion, alert, alert-dialog, avatar, badge, breadcrumb, button, 
+calendar, card, carousel, chart, checkbox, collapsible, command, 
+context-menu, dialog, drawer, dropdown-menu, form, hover-card, 
+input, input-otp, label, menubar, navigation-menu, pagination, 
+popover, progress, radio-group, resizable, scroll-area, 
+searchable-select, select, separator, sheet, sidebar, skeleton, 
+slider, sonner, switch, table, tabs, textarea, toggle, toggle-group, 
+tooltip
+```
+
+---
+
+## 2. 色彩系統
+
+### 2.1 主題色 (Primary) - **動態租戶品牌色**
+
+> **注意**：主題色會根據租戶設定（Branding）動態改變，**嚴禁**在程式碼中 Hardcode 色碼（如 `#01ab83`）。
+> 請務必使用 Tailwind Utility Class 或 CSS 變數。
+
+| Tailwind Class | CSS Variable | 說明 |
+|----------------|--------------|------|
+| `*-primary-main` | `--primary-main` | **主色**：與租戶設定一致（預設綠色），用於主要按鈕、連結、強調文字 |
+| `*-primary-dark` | `--primary-dark` | **深色**：系統自動計算，用於 Hover 狀態 |
+| `*-primary-light` | `--primary-light` | **淺色**：系統自動計算，用於次要強調 |
+| `*-primary-lightest` | `--primary-lightest` | **最淺色**：系統自動計算，用於背景底色、Active 狀態 |
+
+**運作機制**：
+`AuthenticatedLayout` 會根據後端回傳的 `branding` 資料，自動注入 CSS 變數覆寫預設值。
+
+```tsx
+// ✅ 正確：使用 Tailwind Class
+<div className="text-primary-main">...</div>
+
+// ✅ 正確：使用 CSS 變數 (自定義樣式時)
+<div style={{ borderColor: 'var(--primary-main)' }}>...</div>
+
+// ❌ 錯誤：寫死色碼 (會導致租戶無法換色)
+<div className="text-[#01ab83]">...</div>
+```
+
+### 2.2 灰階 (Grey Scale)
+
+```css
+--grey-0: #1a1a1a;  /* 深黑 - 標題文字 */
+--grey-1: #4a4a4a;  /* 深灰 - 主要內文 */
+--grey-2: #6b6b6b;  /* 中灰 - 次要內文、Placeholder */
+--grey-3: #9e9e9e;  /* 淺灰 - 禁用文字、輔助說明 */
+--grey-4: #e0e0e0;  /* 極淺灰 - 邊框、分隔線 */
+--grey-5: #fff;     /* 白色 - 背景、按鈕文字 */
+```
+
+### 2.3 狀態色 (State Colors)
+
+```css
+--other-success: #01ab83;  /* 成功 - 同主題色 */
+--other-error: #dc2626;    /* 錯誤 - 刪除、警示 */
+--other-warning: #f59e0b;  /* 警告 - 提醒、注意 */
+--other-info: #3b82f6;     /* 資訊 - 說明、提示 */
+```
+
+---
+
+## 3. 按鈕規範
+
+### 3.1 按鈕樣式類別
+
+專案在 `resources/css/app.css` 中定義了統一的按鈕樣式，**必須**使用這些類別：
+
+#### Filled 按鈕（實心按鈕）— 用於主要操作
+
+```tsx
+// ✅ 主要操作按鈕（綠色主題色）- 新增、儲存、確認
+<Button className="button-filled-primary">
+  <Plus className="h-4 w-4 mr-2" />
+  新增項目
+</Button>
+
+// ✅ 成功操作
+<Button className="button-filled-success">確認</Button>
+
+// ✅ 資訊操作（用於系統提示、說明等非業務主流程）
+<Button className="button-filled-info">系統資訊</Button>
+
+// ✅ 警告操作
+<Button className="button-filled-warning">警告</Button>
+
+// ✅ 錯誤/刪除操作（AlertDialog 內確認按鈕）
+<Button className="button-filled-error">刪除</Button>
+```
+
+#### Outlined 按鈕（邊框按鈕）— 用於次要操作
+
+```tsx
+// ✅ 編輯按鈕（表格操作列）
+<Button variant="outline" size="sm" className="button-outlined-primary">
+  <Pencil className="h-4 w-4" />
+</Button>
+
+// ✅ 刪除按鈕（表格操作列）
+<Button variant="outline" size="sm" className="button-outlined-error">
+  <Trash2 className="h-4 w-4" />
+</Button>
+```
+
+#### Text 按鈕（文字按鈕）
+
+```tsx
+<Button className="button-text-primary">查看更多</Button>
+```
+
+### 3.2 按鈕大小
+
+| Size | 高度 | 使用情境 |
+|------|------|----------|
+| `size="sm"` | h-8 | 表格操作列、緊湊佈局 |
+| `size="default"` | h-9 | 一般操作、表單提交 |
+| `size="lg"` | h-10 | 主要 CTA、頁面主操作 |
+| `size="icon"` | 9×9 | 純圖標按鈕 |
+
+### 3.3 常見操作按鈕模式
+
+#### 頁面頂部新增按鈕
+
+```tsx
+<Can permission="resource.create">
+  <Link href={route('resource.create')}>
+    <Button className="button-filled-primary">
+      <Plus className="h-4 w-4 mr-2" />
+      新增XXX
+    </Button>
+  </Link>
+</Can>
+```
+
+#### 表格操作列檢視按鈕
+
+```tsx
+<Can permission="resource.view">
+  <Link href={route('resource.show', item.id)}>
+    <Button
+      variant="outline"
+      size="sm"
+      className="button-outlined-primary"
+      title="檢視"
+    >
+      <Eye className="h-4 w-4" />
+    </Button>
+  </Link>
+</Can>
+```
+
+#### 表格操作列編輯按鈕
+
+```tsx
+<Can permission="resource.edit">
+  <Link href={route('resource.edit', item.id)}>
+    <Button
+      variant="outline"
+      size="sm"
+      className="button-outlined-primary"
+      title="編輯"
+    >
+      <Pencil className="h-4 w-4" />
+    </Button>
+  </Link>
+</Can>
+```
+
+#### 表格操作列刪除按鈕（帶確認對話框）
+
+```tsx
+<Can permission="resource.delete">
+  <AlertDialog>
+    <AlertDialogTrigger asChild>
+      <Button 
+        variant="outline" 
+        size="sm" 
+        className="button-outlined-error"
+        title="刪除"
+      >
+        <Trash2 className="h-4 w-4" />
+      </Button>
+    </AlertDialogTrigger>
+    <AlertDialogContent>
+      <AlertDialogHeader>
+        <AlertDialogTitle>確認刪除</AlertDialogTitle>
+        <AlertDialogDescription>
+          確定要刪除「{item.name}」嗎？此操作無法復原。
+        </AlertDialogDescription>
+      </AlertDialogHeader>
+      <AlertDialogFooter>
+        <AlertDialogCancel>取消</AlertDialogCancel>
+        <AlertDialogAction
+          onClick={() => handleDelete(item.id)}
+          className="bg-red-600 hover:bg-red-700"
+        >
+          刪除
+        </AlertDialogAction>
+      </AlertDialogFooter>
+    </AlertDialogContent>
+  </AlertDialog>
+</Can>
+```
+
+### 3.4 返回按鈕規範
+
+詳情頁面（如：查看庫存、進貨單詳情）的返回按鈕應統一放置於 **頁面標題上方**，並採用「**圖標 + 文字**」的 Outlined 樣式。
+
+**樣式規格**：
+- **位置**：標題區域上方 (`mb-6`)，獨立於標題列
+- **樣式**：`variant="outline"` + `className="gap-2 button-outlined-primary"`
+- **圖標**：`<ArrowLeft className="h-4 w-4" />`
+- **文字**：清楚說明返回目的地，例如「返回倉庫管理」、「返回列表」
+
+```tsx
+<div className="mb-6">
+  <Link href={route('resource.index')}>
+    <Button
+      variant="outline"
+      className="gap-2 button-outlined-primary"
+    >
+      <ArrowLeft className="h-4 w-4" />
+      返回列表
+    </Button>
+  </Link>
+</div>
+```
+
+---
+
+## 3.5 頁面佈局規範（新增/編輯頁面）
+
+### 標準結構
+
+新增/編輯頁面（如：商品新增、採購單建立）應遵循以下標準結構：
+
+```tsx
+<AuthenticatedLayout breadcrumbs={...}>
+    <Head title="..." />
+    
+    <div className="container mx-auto p-6 max-w-7xl">
+        {/* Header */}
+        <div className="mb-6">
+            {/* 返回按鈕 */}
+            <Link href={route('resource.index')}>
+                <Button
+                    variant="outline"
+                    className="gap-2 button-outlined-primary mb-4"
+                >
+                    <ArrowLeft className="h-4 w-4" />
+                    返回列表
+                </Button>
+            </Link>
+
+            {/* 頁面標題區塊 */}
+            <div className="mb-4">
+                <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
+                    <Icon className="h-6 w-6 text-primary-main" />
+                    頁面標題
+                </h1>
+                <p className="text-gray-500 mt-1">
+                    頁面說明文字
+                </p>
+            </div>
+        </div>
+
+        {/* 表單或內容區塊 */}
+        <FormComponent ... />
+    </div>
+</AuthenticatedLayout>
+```
+
+### 關鍵規範
+
+1. **外層容器**：使用 `className="container mx-auto p-6 max-w-7xl"` 確保寬度與間距一致
+2. **Header 包裹**：使用 `<div className="mb-6">` 包裹返回按鈕與標題區塊
+3. **返回按鈕**：加上 `mb-4` 與標題區塊分隔
+4. **標題區塊**：使用 `<div className="mb-4">` 包裹 h1 和 p 標籤
+5. **標題樣式**：`text-2xl font-bold text-grey-0 flex items-center gap-2`
+6. **說明文字**：`text-gray-500 mt-1`
+
+### 範例頁面
+
+- ✅ `/resources/js/Pages/PurchaseOrder/Create.tsx`（建立採購單）
+- ✅ `/resources/js/Pages/Product/Create.tsx`（新增商品）
+- ✅ `/resources/js/Pages/Product/Edit.tsx`（編輯商品）
+
+---
+
+## 4. 圖標規範
+
+### 4.1 統一使用 lucide-react
+
+**統一使用 `lucide-react`**，禁止使用其他圖標庫（如 FontAwesome、Material Icons、react-icons 等）。
+
+### 4.2 圖標尺寸標準
+
+| 尺寸 | 類別 | 使用情境 |
+|------|------|----------|
+| 小型 | `h-3 w-3` | Badge 內、小文字旁 |
+| 標準 | `h-4 w-4` | 按鈕內、表格操作 |
+| 標題 | `h-5 w-5` | 側邊欄選單 |
+| 大型 | `h-6 w-6` | 頁面標題 |
+
+### 4.3 常用操作圖標映射
+
+| 操作 | 圖標組件 | 使用情境 |
+|------|----------|----------|
+| 新增 | `<Plus />` | 新增按鈕 |
+| 編輯 | `<Pencil />` | 編輯按鈕 |
+| 刪除 | `<Trash2 />` | 刪除按鈕 |
+| 查看 | `<Eye />` | 查看詳情 |
+| 搜尋 | `<Search />` | 搜尋欄位 |
+| 篩選 | `<Filter />` | 篩選功能 |
+| 下載 | `<Download />` | 下載/匯出 |
+| 上傳 | `<Upload />` | 上傳/匯入 |
+| 設定 | `<Settings />` | 設定功能 |
+| 複製 | `<Copy />` | 複製內容 |
+| 郵件 | `<Mail />` | Email 顯示 |
+| 使用者 | `<Users />`, `<User />` | 使用者管理 |
+| 權限 | `<Shield />` | 角色/權限 |
+| 排序 | `<ArrowUpDown />`, `<ArrowUp />`, `<ArrowDown />` | 表格排序 |
+| 儀表板 | `<LayoutDashboard />` | 首頁/總覽 |
+| 商品 | `<Package />` | 商品管理 |
+| 倉庫 | `<Warehouse />` | 倉庫管理 |
+| 廠商 | `<Truck />`, `<Contact2 />` | 廠商管理 |
+| 採購 | `<ShoppingCart />` | 採購管理 |
+
+### 4.4 圖標使用範例
+
+```tsx
+import { Plus, Pencil, Trash2, Users } from 'lucide-react';
+
+// 頁面標題
+<h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
+  <Users className="h-6 w-6 text-[#01ab83]" />
+  使用者管理
+</h1>
+
+// 按鈕內圖標（圖標在左，帶文字）
+<Button className="button-filled-primary">
+  <Plus className="h-4 w-4 mr-2" />
+  新增使用者
+</Button>
+
+// 純圖標按鈕（表格操作列）
+<Button variant="outline" size="sm" className="button-outlined-primary">
+  <Pencil className="h-4 w-4" />
+</Button>
+```
+
+---
+
+## 5. 表格規範
+
+### 5.1 表格容器
+
+```tsx
+<div className="bg-white rounded-xl border border-gray-200 shadow-sm overflow-hidden">
+  <Table>
+    {/* 表格內容 */}
+  </Table>
+</div>
+```
+
+### 5.2 表格標題列
+
+```tsx
+<TableHeader className="bg-gray-50">
+  <TableRow>
+    <TableHead className="w-[50px] text-center">#</TableHead>
+    <TableHead>名稱</TableHead>
+    <TableHead className="text-center">操作</TableHead>
+  </TableRow>
+</TableHeader>
+```
+
+**關鍵要點**：
+- 使用 `bg-gray-50` 背景色
+- 序號欄位固定寬度 `w-[50px]` 並置中
+- 操作欄位置中顯示
+
+### 5.3 表格主體
+
+```tsx
+<TableBody>
+  {items.length === 0 ? (
+    <TableRow>
+      <TableCell colSpan={5} className="text-center py-8 text-gray-500">
+        無符合條件的資料
+      </TableCell>
+    </TableRow>
+  ) : (
+    items.map((item, index) => (
+      <TableRow key={item.id}>
+        <TableCell className="text-gray-500 font-medium text-center">
+          {startIndex + index}
+        </TableCell>
+        {/* 其他欄位 */}
+        <TableCell className="text-center">
+          <div className="flex items-center justify-center gap-2">
+            {/* 操作按鈕 */}
+          </div>
+        </TableCell>
+      </TableRow>
+    ))
+  )}
+</TableBody>
+```
+
+**關鍵要點**：
+- 空狀態訊息使用置中、灰色文字
+- 序號欄使用 `text-gray-500 font-medium text-center`
+- 操作欄使用 `flex items-center justify-center gap-2` 排列按鈕
+
+### 5.4 欄位排序規範
+
+當表格需要支援排序時，請遵循以下模式：
+
+1.  **圖標邏輯**：
+    *   未排序：`ArrowUpDown` (class: `text-muted-foreground`)
+    *   升冪 (asc)：`ArrowUp` (class: `text-primary`)
+    *   降冪 (desc)：`ArrowDown` (class: `text-primary`)
+2.  **結構**：在 `TableHead` 內使用 `button` 元素。
+3.  **後端配合**：後端 Controller **必須** 處理 `sort_by` 與 `sort_order` 參數。
+
+```tsx
+// 1. 定義 Helper Component (在元件內部)
+const SortIcon = ({ field }: { field: string }) => {
+    if (filters.sort_by !== field) {
+        return <ArrowUpDown className="h-4 w-4 text-muted-foreground ml-1" />;
+    }
+    if (filters.sort_order === "asc") {
+        return <ArrowUp className="h-4 w-4 text-primary ml-1" />;
+    }
+    return <ArrowDown className="h-4 w-4 text-primary ml-1" />;
+};
+
+// 2. 表格標題應用
+<TableHead>
+    <button 
+        onClick={() => handleSort('created_at')} 
+        className="flex items-center hover:text-gray-900"
+    >
+        建立時間 <SortIcon field="created_at" />
+    </button>
+</TableHead>
+
+// 3. 排序處理函式 (三態切換：未排序 -> 升冪 -> 降冪 -> 未排序)
+const handleSort = (field: string) => {
+    let newSortBy: string | undefined = field;
+    let newSortOrder: 'asc' | 'desc' | undefined = 'asc';
+
+    if (filters.sort_by === field) {
+        if (filters.sort_order === 'asc') {
+            newSortOrder = 'desc';
+        } else {
+            // desc -> reset (回到預設排序)
+            newSortBy = undefined;
+            newSortOrder = undefined;
+        }
+    }
+
+    router.get(
+        route(route().curr

app/Modules/Core/Controllers/DashboardController.php

@@ -6,6 +6,8 @@ use App\Http\Controllers\Controller;
 
 use App\Modules\Inventory\Contracts\InventoryServiceInterface;
 use App\Modules\Procurement\Contracts\ProcurementServiceInterface;
+use App\Modules\Sales\Contracts\SalesServiceInterface;
+use App\Modules\Production\Contracts\ProductionServiceInterface;
 use Inertia\Inertia;
 use Illuminate\Http\Request;
 
@@ -13,13 +15,19 @@ class DashboardController extends Controller
 {
     protected $inventoryService;
     protected $procurementService;
+    protected $salesService;
+    protected $productionService;
 
     public function __construct(
         InventoryServiceInterface $inventoryService,
-        ProcurementServiceInterface $procurementService
+        ProcurementServiceInterface $procurementService,
+        SalesServiceInterface $salesService,
+        ProductionServiceInterface $productionService
     ) {
         $this->inventoryService = $inventoryService;
         $this->procurementService = $procurementService;
+        $this->salesService = $salesService;
+        $this->productionService = $productionService;
     }
 
     public function index()
@@ -35,99 +43,70 @@ class DashboardController extends Controller
         $procStats = $this->procurementService->getDashboardStats();
 
         // 銷售統計 (本月營收)
-        $thisMonthRevenue = \App\Modules\Sales\Models\SalesImportItem::whereMonth('transaction_at', now()->month)
+        $thisMonthRevenue = $this->salesService->getThisMonthRevenue();
-            ->whereYear('transaction_at', now()->year)
-            ->sum('amount');
 
         // 生產統計 (待核准工單)
-        $pendingProductionCount = \App\Modules\Production\Models\ProductionOrder::where('status', 'pending')->count();
+        $pendingProductionCount = $this->productionService->getPendingProductionCount();
         
         // 生產狀態分佈
         // 近30日銷售趨勢 (Area Chart)
-        $startDate = now()->subDays(29)->startOfDay();
+        $salesTrend = $this->salesService->getSalesTrend();
-        $salesData = \App\Modules\Sales\Models\SalesImportItem::where('transaction_at', '>=', $startDate)
-            ->selectRaw('DATE(transaction_at) as date, SUM(amount) as total')
-            ->groupBy('date')
-            ->orderBy('date')
-            ->get()
-            ->mapWithKeys(function ($item) {
-                return [$item->date => (int)$item->total];
-            });
-
-        $salesTrend = [];
-        for ($i = 0; $i < 30; $i++) {
-            $date = $startDate->copy()->addDays($i)->format('Y-m-d');
-            $salesTrend[] = [
-                'date' => $startDate->copy()->addDays($i)->format('m/d'),
-                'amount' => $salesData[$date] ?? 0,
-            ];
-        }
 
         // 本月熱銷商品 Top 5 (Bar Chart)
-        $topSellingProducts = \App\Modules\Sales\Models\SalesImportItem::with('product')
+        $topSellingItems = $this->salesService->getTopSellingProducts();
-            ->whereMonth('transaction_at', now()->month)
+        $productIds = $topSellingItems->pluck('product_id')->filter()->unique()->toArray();
-            ->whereYear('transaction_at', now()->year)
+        $productsMap = $this->inventoryService->getProductsByIds($productIds)->keyBy('id');
-            ->select('product_code', 'product_id', \Illuminate\Support\Facades\DB::raw('SUM(amount) as total_amount'))
+
-            ->groupBy('product_code', 'product_id')
+        $topSellingProducts = $topSellingItems->map(function ($item) use ($productsMap) {
-            ->orderByDesc('total_amount')
+            $product = $productsMap->get($item->product_id);
-            ->limit(5)
+            return [
-            ->get()
+                'name' => $product ? $product->name : $item->product_code,
-            ->map(function ($item) {
+                'amount' => (int)$item->total_amount,
-                return [
+            ];
-                    'name' => $item->product ? $item->product->name : $item->product_code,
+        });
-                    'amount' => (int)$item->total_amount,
-                ];
-            });
 
         // 庫存積壓排行 (Top Inventory Value)
-        $topInventoryValue = \App\Modules\Inventory\Models\Inventory::with('product')
+        $topInventoryValueItems = $this->inventoryService->getTopInventoryValue();
-            ->select('product_id', \Illuminate\Support\Facades\DB::raw('SUM(quantity * unit_cost) as total_value'))
+        $invProductIds = $topInventoryValueItems->pluck('product_id')->filter()->unique()->toArray();
-            ->where('quantity', '>', 0)
+        $invProductsMap = $this->inventoryService->getProductsByIds($invProductIds)->keyBy('id');
-            ->groupBy('product_id')
+
-            ->orderByDesc('total_value')
+        $topInventoryValue = $topInventoryValueItems->map(function ($item) use ($invProductsMap) {
-            ->limit(5)
+            $product = $invProductsMap->get($item->product_id);
-            ->get()
+            return [
-            ->map(function ($item) {
+                'name' => $product ? $product->name : 'Unknown Product',
-                return [
+                'code' => $product ? $product->code : '',
-                    'name' => $item->product ? $item->product->name : 'Unknown Product',
+                'value' => (int)$item->total_value,
-                    'code' => $item->product ? $item->product->code : '',
+            ];
-                    'value' => (int)$item->total_value,
+        });
-                ];
-            });
 
         // 熱銷數量排行 (Top Selling by Quantity)
-        $topSellingByQuantity = \App\Modules\Sales\Models\SalesImportItem::with('product')
+        $topSellingQtyItems = $this->salesService->getTopSellingByQuantity();
-            ->whereMonth('transaction_at', now()->month)
+        $qtyProductIds = $topSellingQtyItems->pluck('product_id')->filter()->unique()->toArray();
-            ->whereYear('transaction_at', now()->year)
+        $qtyProductsMap = $this->inventoryService->getProductsByIds($qtyProductIds)->keyBy('id');
-            ->select('product_code', 'product_id', \Illuminate\Support\Facades\DB::raw('SUM(quantity) as total_quantity'))
+
-            ->groupBy('product_code', 'product_id')
+        $topSellingByQuantity = $topSellingQtyItems->map(function ($item) use ($qtyProductsMap) {
-            ->orderByDesc('total_quantity')
+            $product = $qtyProductsMap->get($item->product_id);
-            ->limit(5)
+            return [
-            ->get()
+                'name' => $product ? $product->name : $item->product_code,
-            ->map(function ($item) {
+                'code' => $item->product_code,
-                return [
+                'value' => (int)$item->total_quantity,
-                    'name' => $item->product ? $item->product->name : $item->product_code,
+            ];
-                    'code' => $item->product_code,
+        });
-                    'value' => (int)$item->total_quantity,
-                ];
-            });
 
         // 即將過期商品 (Expiring Soon)
-        $expiringSoon = \App\Modules\Inventory\Models\Inventory::with('product')
+        $expiringItems = $this->inventoryService->getExpiringSoon();
-            ->where('quantity', '>', 0)
+        $expiringProductIds = $expiringItems->pluck('product_id')->filter()->unique()->toArray();
-            ->whereNotNull('expiry_date')
+        $expiringProductsMap = $this->inventoryService->getProductsByIds($expiringProductIds)->keyBy('id');
-            ->where('expiry_date', '>=', now()) // 只顯示未過期但即將過期的
+
-            ->orderBy('expiry_date', 'asc')
+        $expiringSoon = $expiringItems->map(function ($item) use ($expiringProductsMap) {
-            ->limit(5)
+            $product = $expiringProductsMap->get($item->product_id);
-            ->get()
+            return [
-            ->map(function ($item) {
+                'name' => $product ? $product->name : 'Unknown Product',
-                return [
+                'batch_number' => $item->batch_number,
-                    'name' => $item->product ? $item->product->name : 'Unknown Product',
+                'expiry_date' => $item->expiry_date->format('Y-m-d'),
-                    'batch_number' => $item->batch_number,
+                'quantity' => (int)$item->quantity,
-                    'expiry_date' => $item->expiry_date->format('Y-m-d'),
+            ];
-                    'quantity' => (int)$item->quantity,
+        });
-                ];
-            });
 
         return Inertia::render('Dashboard', [
             'stats' => [

app/Modules/Finance/Controllers/AccountPayableController.php

@@ -7,23 +7,41 @@ use App\Modules\Finance\Models\AccountPayable;
 use Illuminate\Http\Request;
 use Inertia\Inertia;
 
+use App\Modules\Procurement\Contracts\ProcurementServiceInterface;
+use App\Modules\Inventory\Contracts\InventoryServiceInterface;
+
 class AccountPayableController extends Controller
 {
+    protected $procurementService;
+    protected $inventoryService;
+
+    public function __construct(
+        ProcurementServiceInterface $procurementService,
+        InventoryServiceInterface $inventoryService
+    ) {
+        $this->procurementService = $procurementService;
+        $this->inventoryService = $inventoryService;
+    }
     /**
      * Display a listing of the resource.
      */
     public function index(Request $request)
     {
-        $query = AccountPayable::with(['vendor', 'creator']);
+        $query = AccountPayable::with(['creator']);
 
         // 關鍵字搜尋 (單號、供應商名稱)
         if ($request->filled('search')) {
             $search = $request->search;
-            $query->where(function ($q) use ($search) {
+            
-                $q->where('document_number', 'like', "%{$search}%")
+            // 透過 ProcurementService 查詢符合關鍵字的 Vendor IDs
-                  ->orWhereHas('vendor', function ($q) use ($search) {
+            $matchedVendors = $this->procurementService->searchVendors($search);
-                      $q->where('name', 'like', "%{$search}%");
+            $vendorIds = $matchedVendors->pluck('id')->toArray();
-                  });
+            
+            $query->where(function ($q) use ($search, $vendorIds) {
+                $q->where('document_number', 'like', "%{$search}%");
+                if (!empty($vendorIds)) {
+                    $q->orWhereIn('vendor_id', $vendorIds);
+                }
             });
         }
 
@@ -48,7 +66,16 @@ class AccountPayableController extends Controller
         $perPage = $request->input('per_page', 10);
         $payables = $query->latest()->paginate($perPage)->withQueryString();
 
-        $vendors = \App\Modules\Procurement\Models\Vendor::select('id', 'name')->get();
+        // Manual Hydration for Vendors
+        $allVendorIds = collect($payables->items())->pluck('vendor_id')->unique()->filter()->toArray();
+        $vendorsMap = $this->procurementService->getVendorsByIds($allVendorIds)->keyBy('id');
+        
+        $payables->getCollection()->transform(function ($item) use ($vendorsMap) {
+            $item->vendor = $vendorsMap->get($item->vendor_id);
+            return $item;
+        });
+
+        $vendors = $this->procurementService->getAllVendors();
 
         return Inertia::render('AccountPayable/Index', [
             'payables' => $payables,
@@ -62,14 +89,19 @@ class AccountPayableController extends Controller
      */
     public function show(AccountPayable $accountPayable)
     {
-        $accountPayable->load(['vendor', 'creator']);
+        $accountPayable->load(['creator']);
+        
+        if ($accountPayable->vendor_id) {
+            $accountPayable->vendor = $this->procurementService->getVendorsByIds([$accountPayable->vendor_id])->first();
+        }
 
         // 嘗試加載來源單據資訊 (目前支援 goods_receipt)
         $sourceDocumentCode = null;
         if ($accountPayable->source_document_type === 'goods_receipt') {
-            $receipt = \App\Modules\Inventory\Models\GoodsReceipt::find($accountPayable->source_document_id);
+            $receiptData = app(\App\Modules\Inventory\Contracts\GoodsReceiptServiceInterface::class)
-            if ($receipt) {
+                ->getGoodsReceiptData($accountPayable->source_document_id);
-                $sourceDocumentCode = $receipt->code;
+            if ($receiptData) {
+                $sourceDocumentCode = $receiptData['code'] ?? null;
             }
         }
 

app/Modules/Finance/Models/AccountPayable.php

@@ -41,14 +41,7 @@ class AccountPayable extends Model
         'paid_at' => 'datetime',
     ];
 
-    /**
+    // vendor 關聯移至 service (跨模組)
-     * 關聯：供應商
-     * @return BelongsTo
-     */
-    public function vendor(): BelongsTo
-    {
-        return $this->belongsTo(\App\Modules\Procurement\Models\Vendor::class, 'vendor_id');
-    }
 
     /**
      * 關聯：建立者

app/Modules/Inventory/Contracts/InventoryServiceInterface.php

@@ -40,6 +40,14 @@ interface InventoryServiceInterface
      */
     public function getProductsByIds(array $ids);
 
+    /**
+     * Get multiple warehouses by their codes.
+     * 
+     * @param array $codes
+     * @return \Illuminate\Support\Collection
+     */
+    public function getWarehousesByCodes(array $codes);
+
     /**
      * Search products by name.
      * 
@@ -139,4 +147,14 @@ interface InventoryServiceInterface
      * @return object
      */
     public function findOrCreateWarehouseByName(string $warehouseName);
+
+    /**
+     * Get top inventory value for dashboard.
+     */
+    public function getTopInventoryValue(int $limit = 5): \Illuminate\Support\Collection;
+
+    /**
+     * Get items expiring soon for dashboard.
+     */
+    public function getExpiringSoon(int $limit = 5): \Illuminate\Support\Collection;
 }

app/Modules/Inventory/Controllers/GoodsReceiptController.php

@@ -7,11 +7,10 @@ use App\Modules\Inventory\Services\GoodsReceiptService;
 use App\Modules\Inventory\Services\InventoryService;
 use App\Modules\Procurement\Contracts\ProcurementServiceInterface;
 use Illuminate\Http\Request;
-use App\Modules\Procurement\Models\Vendor;
-use App\Modules\Inventory\Services\DuplicateCheckService;
 use Inertia\Inertia;
 use App\Modules\Inventory\Models\GoodsReceipt;
 use Illuminate\Support\Facades\DB;
+use App\Modules\Inventory\Services\DuplicateCheckService;
 
 class GoodsReceiptController extends Controller
 {

app/Modules/Inventory/Services/InventoryService.php

@@ -16,6 +16,26 @@ class InventoryService implements InventoryServiceInterface
         return Warehouse::all();
     }
 
+    public function getTopInventoryValue(int $limit = 5): \Illuminate\Support\Collection
+    {
+        return Inventory::select('product_id', \Illuminate\Support\Facades\DB::raw('SUM(quantity * unit_cost) as total_value'))
+            ->where('quantity', '>', 0)
+            ->groupBy('product_id')
+            ->orderByDesc('total_value')
+            ->limit($limit)
+            ->get();
+    }
+
+    public function getExpiringSoon(int $limit = 5): \Illuminate\Support\Collection
+    {
+        return Inventory::where('quantity', '>', 0)
+            ->whereNotNull('expiry_date')
+            ->where('expiry_date', '>=', now()) // 只顯示未過期但即將過期的
+            ->orderBy('expiry_date', 'asc')
+            ->limit($limit)
+            ->get();
+    }
+
     public function getAllProducts()
     {
         return Product::with(['baseUnit', 'largeUnit'])->get();
@@ -41,6 +61,11 @@ class InventoryService implements InventoryServiceInterface
         return Product::whereIn('id', $ids)->with(['baseUnit', 'largeUnit'])->get();
     }
 
+    public function getWarehousesByCodes(array $codes)
+    {
+        return Warehouse::whereIn('code', $codes)->get();
+    }
+
     public function getProductsByName(string $name)
     {
         return Product::where('name', 'like', "%{$name}%")->with(['baseUnit', 'largeUnit'])->get();

app/Modules/Production/Contracts/ProductionServiceInterface.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace App\Modules\Production\Contracts;
+
+interface ProductionServiceInterface
+{
+    public function getPendingProductionCount(): int;
+}

app/Modules/Production/Models/RecipeItem.php

@@ -27,13 +27,5 @@ class RecipeItem extends Model
         return $this->belongsTo(Recipe::class);
     }
 
-    public function product()
+    // product 和 unit 關聯移至 service (跨模組)
-    {
-        return $this->belongsTo(\App\Modules\Inventory\Models\Product::class);
-    }
-
-    public function unit()
-    {
-        return $this->belongsTo(\App\Modules\Inventory\Models\Unit::class);
-    }
 }

app/Modules/Production/ProductionServiceProvider.php

@@ -10,7 +10,10 @@ class ProductionServiceProvider extends ServiceProvider
 {
     public function register(): void
     {
-        //
+        $this->app->bind(
+            \App\Modules\Production\Contracts\ProductionServiceInterface::class,
+            \App\Modules\Production\Services\ProductionService::class
+        );
     }
 
     public function boot(): void

app/Modules/Production/Services/ProductionService.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Modules\Production\Services;
+
+use App\Modules\Production\Contracts\ProductionServiceInterface;
+use App\Modules\Production\Models\ProductionOrder;
+
+class ProductionService implements ProductionServiceInterface
+{
+    public function getPendingProductionCount(): int
+    {
+        return ProductionOrder::where('status', 'pending')->count();
+    }
+}

app/Modules/Sales/Contracts/SalesServiceInterface.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace App\Modules\Sales\Contracts;
+
+interface SalesServiceInterface
+{
+    public function getThisMonthRevenue(): float;
+    public function getSalesTrend(int $days = 30): array;
+    public function getTopSellingProducts(int $limit = 5): \Illuminate\Support\Collection;
+    public function getTopSellingByQuantity(int $limit = 5): \Illuminate\Support\Collection;
+}

app/Modules/Sales/Controllers/SalesImportController.php

@@ -5,7 +5,7 @@ namespace App\Modules\Sales\Controllers;
 use App\Http\Controllers\Controller;
 use App\Modules\Sales\Models\SalesImportBatch;
 use App\Modules\Sales\Imports\SalesImport;
-use App\Modules\Inventory\Services\InventoryService; // Assuming this exists or we need to use ProductService
+use App\Modules\Inventory\Contracts\InventoryServiceInterface;
 use Illuminate\Http\Request;
 use Inertia\Inertia;
 use Maatwebsite\Excel\Facades\Excel;
@@ -66,17 +66,32 @@ class SalesImportController extends Controller
         $import->load(['items', 'importer']);
         
         $perPage = $request->input('per_page', 10);
+        $paginatedItems = $import->items()->paginate($perPage)->withQueryString();
         
+        // Manual Hydration for Products and Warehouses
+        $inventoryService = app(InventoryServiceInterface::class);
+        $productIds = collect($paginatedItems->items())->pluck('product_id')->filter()->unique()->toArray();
+        $machineCodes = collect($paginatedItems->items())->pluck('machine_id')->filter()->unique()->toArray();
+        
+        $products = $inventoryService->getProductsByIds($productIds)->keyBy('id');
+        $warehouses = $inventoryService->getWarehousesByCodes($machineCodes)->keyBy('code');
+        
+        $paginatedItems->getCollection()->transform(function ($item) use ($products, $warehouses) {
+            $item->product = $products->get($item->product_id);
+            $item->warehouse = $warehouses->get($item->machine_id);
+            return $item;
+        });
+
         return Inertia::render('Sales/Import/Show', [
             'import' => $import,
-            'items' => $import->items()->with(['product', 'warehouse'])->paginate($perPage)->withQueryString(),
+            'items' => $paginatedItems,
             'filters' => [
                 'per_page' => $perPage,
             ],
         ]);
     }
 
-    public function confirm(SalesImportBatch $import, InventoryService $inventoryService)
+    public function confirm(SalesImportBatch $import, InventoryServiceInterface $inventoryService)
     {
         if ($import->status !== 'pending') {
             return back()->with('error', '此批次無法確認。');
@@ -87,8 +102,8 @@ class SalesImportController extends Controller
             $aggregatedDeductions = []; // Key: "warehouse_id:product_id:slot"
             
             // Pre-load necessary warehouses for matching
-            $machineIds = $import->items->pluck('machine_id')->filter()->unique();
+            $machineIds = $import->items->pluck('machine_id')->filter()->unique()->toArray();
-            $warehouses = \App\Modules\Inventory\Models\Warehouse::whereIn('code', $machineIds)->get()->keyBy('code');
+            $warehouses = $inventoryService->getWarehousesByCodes($machineIds)->keyBy('code');
 
             foreach ($import->items as $item) {
                 // Only process shipped items with a valid product

app/Modules/Sales/Imports/SalesImportSheet.php

@@ -4,7 +4,7 @@ namespace App\Modules\Sales\Imports;
 
 use App\Modules\Sales\Models\SalesImportBatch;
 use App\Modules\Sales\Models\SalesImportItem;
-use App\Modules\Inventory\Models\Product;
+use App\Modules\Inventory\Contracts\InventoryServiceInterface;
 use Illuminate\Support\Collection;
 use Maatwebsite\Excel\Concerns\ToCollection;
 use Maatwebsite\Excel\Concerns\WithStartRow;
@@ -19,7 +19,8 @@ class SalesImportSheet implements ToCollection, WithStartRow
     {
         $this->batch = $batch;
         // Pre-load all products to minimize queries (keyed by code)
-        $this->products = Product::pluck('id', 'code'); // assumes code is unique
+        $inventoryService = app(InventoryServiceInterface::class);
+        $this->products = $inventoryService->getAllProducts()->pluck('id', 'code')->toArray(); // assumes code is unique
     }
 
     public function startRow(): int

app/Modules/Sales/Models/SalesImportItem.php

@@ -2,8 +2,7 @@
 
 namespace App\Modules\Sales\Models;
 
-use App\Modules\Inventory\Models\Product;
+
-use App\Modules\Inventory\Models\Warehouse;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
@@ -38,14 +37,4 @@ class SalesImportItem extends Model
     {
         return $this->belongsTo(SalesImportBatch::class, 'batch_id');
     }
-
-    public function product(): BelongsTo
-    {
-        return $this->belongsTo(Product::class, 'product_id');
-    }
-
-    public function warehouse(): BelongsTo
-    {
-        return $this->belongsTo(Warehouse::class, 'machine_id', 'code');
-    }
 }

app/Modules/Sales/SalesServiceProvider.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Modules\Sales;
+
+use Illuminate\Support\ServiceProvider;
+use App\Modules\Sales\Contracts\SalesServiceInterface;
+use App\Modules\Sales\Services\SalesService;
+
+class SalesServiceProvider extends ServiceProvider
+{
+    public function register(): void
+    {
+        $this->app->bind(SalesServiceInterface::class, SalesService::class);
+    }
+}

app/Modules/Sales/Services/SalesService.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace App\Modules\Sales\Services;
+
+use App\Modules\Sales\Contracts\SalesServiceInterface;
+use App\Modules\Sales\Models\SalesImportItem;
+use Illuminate\Support\Facades\DB;
+
+class SalesService implements SalesServiceInterface
+{
+    public function getThisMonthRevenue(): float
+    {
+        return (float) SalesImportItem::whereMonth('transaction_at', now()->month)
+            ->whereYear('transaction_at', now()->year)
+            ->sum('amount');
+    }
+
+    public function getSalesTrend(int $days = 30): array
+    {
+        $startDate = now()->subDays($days - 1)->startOfDay();
+        $salesData = SalesImportItem::where('transaction_at', '>=', $startDate)
+            ->selectRaw('DATE(transaction_at) as date, SUM(amount) as total')
+            ->groupBy('date')
+            ->orderBy('date')
+            ->get()
+            ->mapWithKeys(function ($item) {
+                return [$item->date => (int)$item->total];
+            });
+
+        $salesTrend = [];
+        for ($i = 0; $i < $days; $i++) {
+            $date = $startDate->copy()->addDays($i)->format('Y-m-d');
+            $salesTrend[] = [
+                'date' => $startDate->copy()->addDays($i)->format('m/d'),
+                'amount' => $salesData[$date] ?? 0,
+            ];
+        }
+        
+        return $salesTrend;
+    }
+
+    public function getTopSellingProducts(int $limit = 5): \Illuminate\Support\Collection
+    {
+        return SalesImportItem::whereMonth('transaction_at', now()->month)
+            ->whereYear('transaction_at', now()->year)
+            ->select('product_code', 'product_id', DB::raw('SUM(amount) as total_amount'))
+            ->groupBy('product_code', 'product_id')
+            ->orderByDesc('total_amount')
+            ->limit($limit)
+            ->get();
+    }
+
+    public function getTopSellingByQuantity(int $limit = 5): \Illuminate\Support\Collection
+    {
+        return SalesImportItem::whereMonth('transaction_at', now()->month)
+            ->whereYear('transaction_at', now()->year)
+            ->select('product_code', 'product_id', DB::raw('SUM(quantity) as total_quantity'))
+            ->groupBy('product_code', 'product_id')
+            ->orderByDesc('total_quantity')
+            ->limit($limit)
+            ->get();
+    }
+}