feat: 統一各模組分頁組件佈局並新增系統設定功能相關檔案

app/Modules/Core/Controllers/ActivityLogController.php

@@ -36,7 +36,11 @@ class ActivityLogController extends Controller
 
     public function index(Request $request)
     {
-        $perPage = $request->input('per_page', 10);
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = $request->input('per_page', $defaultPerPage);
+        if (!in_array((int)$perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
         $sortBy = $request->input('sort_by', 'created_at');
         $sortOrder = $request->input('sort_order', 'desc');
 

app/Modules/Core/Controllers/SystemSettingController.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Modules\Core\Controllers;
+
+use App\Http\Controllers\Controller;
+use App\Modules\Core\Models\SystemSetting;
+use Illuminate\Http\Request;
+use Inertia\Inertia;
+
+class SystemSettingController extends Controller
+{
+    /**
+     * 顯示系統設定頁面
+     */
+    public function index()
+    {
+        $settings = SystemSetting::all()->groupBy('group');
+        
+        return Inertia::render('Admin/Setting/Index', [
+            'settings' => $settings,
+        ]);
+    }
+
+    /**
+     * 更新系統設定
+     */
+    public function update(Request $request)
+    {
+        $validated = $request->validate([
+            'settings' => 'required|array',
+            'settings.*.key' => 'required|string|exists:system_settings,key',
+            'settings.*.value' => 'nullable',
+        ]);
+
+        foreach ($validated['settings'] as $item) {
+            SystemSetting::where('key', $item['key'])->update([
+                'value' => $item['value']
+            ]);
+        }
+
+        // 清除記憶體快取，確保後續讀取拿到最新值
+        SystemSetting::clearCache();
+
+        return redirect()->back()->with('success', '系統設定已更新');
+    }
+}

app/Modules/Core/Controllers/UserController.php

@@ -18,7 +18,12 @@ class UserController extends Controller
      */
     public function index(Request $request)
     {
-        $perPage = $request->input('per_page', 10);
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = $request->input('per_page', $defaultPerPage);
+        
+        if (!in_array((int)$perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
         $sortBy = $request->input('sort_by', 'id');
         $sortOrder = $request->input('sort_order', 'asc');
         $search = $request->input('search');

app/Modules/Core/Models/SystemSetting.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace App\Modules\Core\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class SystemSetting extends Model
+{
+    protected $fillable = [
+        'group',
+        'key',
+        'value',
+        'type',
+        'description',
+    ];
+
+    /**
+     * 同請求內的記憶體快取，避免重複查詢 DB
+     * PHP 請求結束後自動釋放，無需額外處理失效
+     */
+    protected static array $cache = [];
+
+    /**
+     * 取得特定設定值（含記憶體快取）
+     */
+    public static function getVal(string $key, $default = null)
+    {
+        if (array_key_exists($key, static::$cache)) {
+            return static::$cache[$key];
+        }
+
+        $setting = self::where('key', $key)->first();
+        
+        if (!$setting) {
+            static::$cache[$key] = $default;
+            return $default;
+        }
+
+        $value = $setting->value;
+
+        // 根據 type 進行類別轉換
+        $resolved = match ($setting->type) {
+            'integer', 'number' => (int) $value,
+            'boolean', 'bool'   => filter_var($value, FILTER_VALIDATE_BOOLEAN),
+            'json', 'array'     => json_decode($value, true),
+            default             => $value,
+        };
+
+        static::$cache[$key] = $resolved;
+
+        return $resolved;
+    }
+
+    /**
+     * 清除記憶體快取（儲存設定後應呼叫）
+     */
+    public static function clearCache(): void
+    {
+        static::$cache = [];
+    }
+}

app/Modules/Core/Routes/web.php

@@ -7,6 +7,7 @@ use App\Modules\Core\Controllers\ProfileController;
 use App\Modules\Core\Controllers\RoleController;
 use App\Modules\Core\Controllers\UserController;
 use App\Modules\Core\Controllers\ActivityLogController;
+use App\Modules\Core\Controllers\SystemSettingController;
 
 // 登入/登出路由
 Route::get('/login', [LoginController::class, 'show'])->name('login');
@@ -56,5 +57,10 @@ Route::middleware('auth')->group(function () {
             Route::get('/activity-logs', [ActivityLogController::class, 'index'])->name('activity-logs.index');
         });
 
+        Route::middleware('permission:system.settings.view')->group(function () {
+            Route::get('/settings', [SystemSettingController::class, 'index'])->name('settings.index');
+            Route::post('/settings', [SystemSettingController::class, 'update'])->name('settings.update');
+        });
+
     });
 });

app/Modules/Finance/Controllers/AccountPayableController.php

@@ -63,7 +63,11 @@ class AccountPayableController extends Controller
             $query->where('due_date', '<=', $request->date_end);
         }
 
-        $perPage = $request->input('per_page', 10);
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = $request->input('per_page', $defaultPerPage);
+        if (!in_array((int)$perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
         $payables = $query->latest()->paginate($perPage)->withQueryString();
 
         // Manual Hydration for Vendors

app/Modules/Finance/Controllers/AccountingReportController.php

@@ -27,7 +27,11 @@ class AccountingReportController extends Controller
         $allRecords = $reportData['records'];
 
         // 3. Manual Pagination
-        $perPage = $request->input('per_page', 10);
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = $request->input('per_page', $defaultPerPage);
+        if (!in_array((int)$perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
         $page = $request->input('page', 1);
         $offset = ($page - 1) * $perPage;
 

app/Modules/Finance/Services/AccountPayableService.php

@@ -50,8 +50,8 @@ class AccountPayableService
                 'total_amount' => collect($receiptData['items'] ?? [])->sum('total_amount'),
                 'tax_amount' => 0, // 假設後續會實作稅額計算，目前預設為 0
                 'status' => AccountPayable::STATUS_PENDING,
-                // 設定應付日期，預設為進貨後 30 天 (可依據供應商設定調整)
-                'due_date' => now()->addDays(30)->toDateString(),
+                // 設定應付日期，預設為進貨後天數 (由系統設定決定，預設 30 天)
+                'due_date' => now()->addDays(\App\Modules\Core\Models\SystemSetting::getVal('finance.ap_payment_days', 30))->toDateString(),
                 'created_by' => $userId,
                 'remarks' => "由進貨單 {$receiptData['code']} 自動生成",
             ]);

app/Modules/Finance/Services/FinanceService.php

@@ -94,7 +94,13 @@ class FinanceService implements FinanceServiceInterface
         $sortDirection = $filters['sort_direction'] ?? 'desc';
         $query->orderBy($sortField, $sortDirection);
 
-        return $query->paginate($filters['per_page'] ?? 10);
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = (int) ($filters['per_page'] ?? $defaultPerPage);
+        if (!in_array($perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
+
+        return $query->paginate($perPage);
     }
 
     public function getUniqueCategories(): Collection

app/Modules/Integration/Controllers/SalesOrderController.php

@@ -29,7 +29,13 @@ class SalesOrderController extends Controller
         // 排序
         $query->orderBy('sold_at', 'desc');
 
-        $orders = $query->paginate($request->input('per_page', 10))
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = (int) $request->input('per_page', $defaultPerPage);
+        if (!in_array($perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
+
+        $orders = $query->paginate($perPage)
             ->withQueryString();
 
         return Inertia::render('Integration/SalesOrders/Index', [

app/Modules/Inventory/Contracts/InventoryServiceInterface.php

@@ -131,7 +131,7 @@ interface InventoryServiceInterface
      * @param int $perPage 每頁筆數
      * @return array
      */
-    public function getStockQueryData(array $filters = [], int $perPage = 10): array;
+    public function getStockQueryData(array $filters = [], ?int $perPage = null): array;
 
     /**
      * Get statistics for the dashboard.

app/Modules/Inventory/Controllers/AdjustDocController.php

@@ -39,7 +39,11 @@ class AdjustDocController extends Controller
             $query->where('warehouse_id', $request->warehouse_id);
         }
 
-        $perPage = $request->input('per_page', 10);
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = $request->input('per_page', $defaultPerPage);
+        if (!in_array((int)$perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
         $docs = $query->orderByDesc('created_at')
             ->paginate($perPage)
             ->withQueryString()

app/Modules/Inventory/Controllers/CountDocController.php

@@ -35,9 +35,11 @@ class CountDocController extends Controller
             });
         }
 
-        $perPage = $request->input('per_page', 10);
-        if (!in_array($perPage, [10, 20, 50, 100])) {
-            $perPage = 10;
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = $request->input('per_page', $defaultPerPage);
+        
+        if (!in_array((int)$perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
         }
 
         $countQuery = function ($query) {

app/Modules/Inventory/Controllers/GoodsReceiptController.php

@@ -63,7 +63,11 @@ class GoodsReceiptController extends Controller
         }
 
         // 每頁筆數
-        $perPage = $request->input('per_page', 10);
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = $request->input('per_page', $defaultPerPage);
+        if (!in_array((int)$perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
 
         $receipts = $query->orderBy('created_at', 'desc')
             ->paginate($perPage)

app/Modules/Inventory/Controllers/InventoryAnalysisController.php

@@ -24,7 +24,12 @@ class InventoryAnalysisController extends Controller
             'warehouse_id', 'category_id', 'search', 'per_page', 'sort_by', 'sort_order', 'status'
         ]);
 
-        $analysisData = $this->turnoverService->getAnalysisData($filters, $request->input('per_page', 10));
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = (int) $request->input('per_page', $defaultPerPage);
+        if (!in_array($perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
+        $analysisData = $this->turnoverService->getAnalysisData($filters, $perPage);
         $kpis = $this->turnoverService->getKPIs($filters);
 
         return Inertia::render('Inventory/Analysis/Index', [

app/Modules/Inventory/Controllers/InventoryReportController.php

@@ -35,7 +35,12 @@ class InventoryReportController extends Controller
             $filters['date_to'] = date('Y-m-d');
         }
 
-        $reportData = $this->reportService->getReportData($filters, $request->input('per_page', 10));
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = (int) $request->input('per_page', $defaultPerPage);
+        if (!in_array($perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
+        $reportData = $this->reportService->getReportData($filters, $perPage);
         $summary = $this->reportService->getSummary($filters);
 
         return Inertia::render('Inventory/Report/Index', [

app/Modules/Inventory/Controllers/ProductController.php

@@ -37,9 +37,11 @@ class ProductController extends Controller
             $query->where('category_id', $request->category_id);
         }
 
-        $perPage = $request->input('per_page', 10);
-        if (!in_array($perPage, [10, 20, 50, 100])) {
-            $perPage = 10;
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = $request->input('per_page', $defaultPerPage);
+        
+        if (!in_array((int)$perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
         }
 
         $sortField = $request->input('sort_field', 'id');

app/Modules/Inventory/Controllers/StockQueryController.php

@@ -24,7 +24,12 @@ class StockQueryController extends Controller
     public function index(Request $request)
     {
         $filters = $request->only(['warehouse_id', 'category_id', 'search', 'status', 'sort_by', 'sort_order', 'per_page']);
-        $perPage = (int) ($filters['per_page'] ?? 10);
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = (int) ($filters['per_page'] ?? $defaultPerPage);
+        
+        if (!in_array($perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
 
         $result = $this->inventoryService->getStockQueryData($filters, $perPage);
 

app/Modules/Inventory/Controllers/StoreRequisitionController.php

@@ -65,7 +65,11 @@ class StoreRequisitionController extends Controller
             $query->orderBy('id', 'desc');
         }
 
-        $perPage = $request->input('per_page', 10);
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = $request->input('per_page', $defaultPerPage);
+        if (!in_array((int)$perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
         $requisitions = $query->paginate($perPage)->withQueryString();
 
         // 水和倉庫名稱與使用者名稱

app/Modules/Inventory/Controllers/TransferOrderController.php

@@ -42,7 +42,11 @@ class TransferOrderController extends Controller
             });
         }
 
-        $perPage = $request->input('per_page', 10);
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = $request->input('per_page', $defaultPerPage);
+        if (!in_array((int)$perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
         $orders = $query->orderByDesc('created_at')
             ->paginate($perPage)
             ->withQueryString()

app/Modules/Inventory/Controllers/WarehouseController.php

@@ -24,9 +24,11 @@ class WarehouseController extends Controller
             });
         }
 
-        $perPage = $request->input('per_page', 10);
-        if (!in_array($perPage, [10, 20, 50, 100])) {
-            $perPage = 10;
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = $request->input('per_page', $defaultPerPage);
+        
+        if (!in_array((int)$perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
         }
 
         $warehouses = $query->withSum('inventories as book_stock', 'quantity') // 帳面庫存 = 所有庫存總和

app/Modules/Inventory/Services/InventoryReportService.php

@@ -23,8 +23,9 @@ class InventoryReportService
      * @param int|null $perPage 每頁筆數
      * @return \Illuminate\Pagination\LengthAwarePaginator|\Illuminate\Support\Collection
      */
-    public function getReportData(array $filters, ?int $perPage = 10)
+    public function getReportData(array $filters, ?int $perPage = null)
     {
+        $perPage = $perPage ?? \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
         $dateFrom = $filters['date_from'] ?? null;
         $dateTo = $filters['date_to'] ?? null;
         $warehouseId = $filters['warehouse_id'] ?? null;
@@ -197,8 +198,9 @@ class InventoryReportService
     /**
      * 取得特定商品的庫存異動明細
      */
-    public function getProductDetails($productId, array $filters, ?int $perPage = 20)
+    public function getProductDetails($productId, array $filters, ?int $perPage = null)
     {
+        $perPage = $perPage ?? \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
         $dateFrom = $filters['date_from'] ?? null;
         $dateTo = $filters['date_to'] ?? null;
         $warehouseId = $filters['warehouse_id'] ?? null;

app/Modules/Inventory/Services/InventoryService.php

@@ -258,10 +258,12 @@ class InventoryService implements InventoryServiceInterface
     /**
      * 即時庫存查詢：統計卡片 + 分頁明細
      */
-    public function getStockQueryData(array $filters = [], int $perPage = 10): array
+    public function getStockQueryData(array $filters = [], ?int $perPage = null): array
     {
+        $perPage = $perPage ?? \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
         $today = now()->toDateString();
-        $expiryThreshold = now()->addDays(30)->toDateString();
+        $expiryDays = \App\Modules\Core\Models\SystemSetting::getVal('inventory.expiry_warning_days', 30);
+        $expiryThreshold = now()->addDays($expiryDays)->toDateString();
 
         // 基礎查詢
         $query = Inventory::query()
@@ -492,7 +494,8 @@ class InventoryService implements InventoryServiceInterface
     public function getDashboardStats(): array
     {
         $today = now()->toDateString();
-        $expiryThreshold = now()->addDays(30)->toDateString();
+        $expiryDays = \App\Modules\Core\Models\SystemSetting::getVal('inventory.expiry_warning_days', 30);
+        $expiryThreshold = now()->addDays($expiryDays)->toDateString();
 
         // 1. 庫存品項數 (明細總數)
         $totalItems = DB::table('inventories')

app/Modules/Inventory/Services/TurnoverService.php

@@ -12,8 +12,9 @@ class TurnoverService
     /**
      * Get inventory turnover analysis data
      */
-    public function getAnalysisData(array $filters, int $perPage = 20)
+    public function getAnalysisData(array $filters, ?int $perPage = null)
     {
+        $perPage = $perPage ?? \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
         $warehouseId = $filters['warehouse_id'] ?? null;
         $categoryId = $filters['category_id'] ?? null;
         $search = $filters['search'] ?? null;
@@ -60,7 +61,8 @@ class TurnoverService
         // Given potentially large data, subquery per row might be slow, but for pagination it's okay-ish.
         // Better approach: Join with a subquery of aggregated transactions.
         
-        $thirtyDaysAgo = Carbon::now()->subDays(30);
+        $analysisDays = \App\Modules\Core\Models\SystemSetting::getVal('turnover.analysis_period_days', 30);
+        $thirtyDaysAgo = Carbon::now()->subDays($analysisDays);
         
         // Subquery for 30-day sales
         $salesSubquery = InventoryTransaction::query()
@@ -111,7 +113,7 @@ class TurnoverService
         // Turnover Days Calculation in SQL: (stock / (sales_30d / 30)) => (stock * 30) / sales_30d
         // Handle division by zero: if sales_30d is 0, turnover is 'Inf' (or very high number like 9999)
         $turnoverDaysSql = "CASE WHEN COALESCE(sales_30d.sales_qty_30d, 0) > 0 
-                            THEN (COALESCE(SUM(inventories.quantity), 0) * 30) / sales_30d.sales_qty_30d 
+                            THEN (COALESCE(SUM(inventories.quantity), 0) * $analysisDays) / sales_30d.sales_qty_30d 
                             ELSE 9999 END";
         
         $query->addSelect(DB::raw("$turnoverDaysSql as turnover_days"));
@@ -125,7 +127,8 @@ class TurnoverService
         // For dead stock, definitive IS stock > 0.
         
         if ($statusFilter === 'dead') {
-            $ninetyDaysAgo = Carbon::now()->subDays(90);
+            $deadStockDays = \App\Modules\Core\Models\SystemSetting::getVal('turnover.dead_stock_days', 90);
+            $ninetyDaysAgo = Carbon::now()->subDays($deadStockDays);
             $query->havingRaw("current_stock > 0 AND (last_sale_date < ? OR last_sale_date IS NULL)", [$ninetyDaysAgo]);
         }
 
@@ -146,10 +149,13 @@ class TurnoverService
             $lastSale = $item->last_sale_date ? Carbon::parse($item->last_sale_date) : null;
             $daysSinceSale = $lastSale ? $lastSale->diffInDays(Carbon::now()) : 9999;
             
-            if ($item->current_stock > 0 && $daysSinceSale > 90) {
+            $deadStockDays = \App\Modules\Core\Models\SystemSetting::getVal('turnover.dead_stock_days', 90);
+            $slowMovingDays = \App\Modules\Core\Models\SystemSetting::getVal('turnover.slow_moving_days', 60);
+
+            if ($item->current_stock > 0 && $daysSinceSale > $deadStockDays) {
                 $item->status = 'dead'; // 滯銷
                 $item->status_label = '滯銷';
-            } elseif ($item->current_stock > 0 && $item->turnover_days > 60) {
+            } elseif ($item->current_stock > 0 && $item->turnover_days > $slowMovingDays) {
                  $item->status = 'slow'; // 週轉慢
                  $item->status_label = '週轉慢';
             } elseif ($item->current_stock == 0) {
@@ -187,8 +193,8 @@ class TurnoverService
          // 2. Dead Stock Value (No sale in 90 days)
          // Need last sale date for each product-location or just product? 
          // Assuming dead stock is product-level logic for simplicity.
-         
-         $ninetyDaysAgo = Carbon::now()->subDays(90);
+                  $deadStockDays = \App\Modules\Core\Models\SystemSetting::getVal('turnover.dead_stock_days', 90);
+          $ninetyDaysAgo = Carbon::now()->subDays($deadStockDays);
          
          // Get IDs of products sold in last 90 days
          $soldProductIds = InventoryTransaction::query()
@@ -225,17 +231,17 @@ class TurnoverService
          // Simplified: (Total Stock / Total Sales 30d) * 30
          
          $totalStock = (clone $buildInvQuery())->sum('inventories.quantity');
-         
+                  $analysisDays = \App\Modules\Core\Models\SystemSetting::getVal('turnover.analysis_period_days', 30);
           $totalSales30d = DB::table('inventory_transactions')
               ->join('inventories', 'inventory_transactions.inventory_id', '=', 'inventories.id')
               ->join('products', 'inventories.product_id', '=', 'products.id')
               ->where('inventory_transactions.type', '出庫')
-             ->where('inventory_transactions.actual_time', '>=', Carbon::now()->subDays(30))
+              ->where('inventory_transactions.actual_time', '>=', Carbon::now()->subDays($analysisDays))
               ->when($warehouseId, fn($q) => $q->where('inventories.warehouse_id', $warehouseId))
               ->when($categoryId, fn($q) => $q->where('products.category_id', $categoryId))
               ->sum(DB::raw('ABS(inventory_transactions.quantity)'));
               
-         $avgTurnoverDays = $totalSales30d > 0 ? ($totalStock * 30) / $totalSales30d : 0;
+          $avgTurnoverDays = $totalSales30d > 0 ? ($totalStock * $analysisDays) / $totalSales30d : 0;
 
          return [
              'total_stock_value' => $totalValue,

app/Modules/Procurement/Controllers/PurchaseOrderController.php

@@ -66,7 +66,11 @@ class PurchaseOrderController extends Controller
             $query->orderBy($sortField, $sortDirection);
         }
 
-        $perPage = $request->input('per_page', 10);
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = $request->input('per_page', $defaultPerPage);
+        if (!in_array((int)$perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
         $orders = $query->paginate($perPage)->withQueryString();
 
         // 2. 手動注入倉庫與使用者資料

app/Modules/Procurement/Controllers/PurchaseReturnController.php

@@ -35,11 +35,12 @@ class PurchaseReturnController extends Controller
             $query->where('status', $request->status);
         }
 
-        $purchaseReturns = $query->paginate(15)->withQueryString();
+        $perPage = $request->input('per_page', 15);
+        $purchaseReturns = $query->paginate($perPage)->withQueryString();
 
         return Inertia::render('PurchaseReturn/Index', [
             'purchaseReturns' => $purchaseReturns,
-            'filters' => $request->only(['search', 'status']),
+            'filters' => $request->only(['search', 'status', 'per_page']),
         ]);
     }
 

app/Modules/Procurement/Controllers/ShippingOrderController.php

@@ -48,7 +48,11 @@ class ShippingOrderController extends Controller
             $query->where('status', $request->status);
         }
 
-        $perPage = $request->input('per_page', 10);
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = $request->input('per_page', $defaultPerPage);
+        if (!in_array((int)$perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
         $orders = $query->orderBy('id', 'desc')->paginate($perPage)->withQueryString();
 
         // 水和倉庫與使用者

app/Modules/Procurement/Controllers/VendorController.php

@@ -44,7 +44,11 @@ class VendorController extends Controller
             $sortDirection = 'desc';
         }
 
-        $perPage = $request->input('per_page', 10);
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = $request->input('per_page', $defaultPerPage);
+        if (!in_array((int)$perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
 
         $vendors = $query->orderBy($sortField, $sortDirection)
             ->paginate($perPage)

app/Modules/Production/Controllers/ProductionOrderController.php

@@ -62,7 +62,11 @@ class ProductionOrderController extends Controller
         $query->orderBy($request->input('sort_field', 'created_at'), $request->input('sort_direction', 'desc'));
 
         // 分頁
-        $perPage = $request->input('per_page', 10);
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = $request->input('per_page', $defaultPerPage);
+        if (!in_array((int)$perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
         $productionOrders = $query->paginate($perPage)->withQueryString();
 
         // --- 手動資料水和 (Manual Hydration) ---

app/Modules/Production/Controllers/RecipeController.php

@@ -40,7 +40,13 @@ class RecipeController extends Controller
 
         $query->orderBy($request->input('sort_field', 'created_at'), $request->input('sort_direction', 'desc'));
 
-        $recipes = $query->paginate($request->input('per_page', 10))->withQueryString();
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = (int) $request->input('per_page', $defaultPerPage);
+        if (!in_array($perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
+
+        $recipes = $query->paginate($perPage)->withQueryString();
 
         // Manual Hydration
         $productIds = $recipes->pluck('product_id')->unique()->filter()->toArray();

app/Modules/Sales/Controllers/SalesImportController.php

@@ -15,7 +15,11 @@ class SalesImportController extends Controller
 {
     public function index(Request $request)
     {
-        $perPage = $request->input('per_page', 10);
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = $request->input('per_page', $defaultPerPage);
+        if (!in_array((int)$perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
         $search = $request->input('search');
 
         $batches = SalesImportBatch::with('importer')
@@ -65,7 +69,11 @@ class SalesImportController extends Controller
     {
         $import->load(['items', 'importer']);
         
-        $perPage = $request->input('per_page', 10);
+        $defaultPerPage = \App\Modules\Core\Models\SystemSetting::getVal('display.per_page', 10);
+        $perPage = $request->input('per_page', $defaultPerPage);
+        if (!in_array((int)$perPage, [10, 20, 50, 100])) {
+            $perPage = $defaultPerPage;
+        }
         $paginatedItems = $import->items()->paginate($perPage)->withQueryString();
         
         // Manual Hydration for Products and Warehouses

database/migrations/tenant/2026_02_25_151106_create_system_settings_table.php

@@ -0,0 +1,29 @@
+<?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('system_settings', function (Blueprint $table) {
+            $table->id();
+            $table->string('group')->index()->comment('設定分組');
+            $table->string('key')->unique()->comment('設定鍵名');
+            $table->text('value')->nullable()->comment('設定值');
+            $table->string('type')->default('string')->comment('資料型別');
+            $table->string('description')->nullable()->comment('功能說明');
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('system_settings');
+    }
+};

database/seeders/PermissionSeeder.php

@@ -124,6 +124,10 @@ class PermissionSeeder extends Seeder
             // 系統日誌
             'system.view_logs' => '檢視日誌',
 
+            // 系統設定
+            'system.settings.view' => '檢視設定',
+            'system.settings.edit' => '編輯設定',
+
             // 公共事業費管理
             'utility_fees.view' => '檢視',
             'utility_fees.create' => '建立',

database/seeders/SystemSettingSeeder.php

@@ -0,0 +1,68 @@
+<?php
+
+namespace Database\Seeders;
+
+use Illuminate\Database\Console\Seeds\WithoutModelEvents;
+use Illuminate\Database\Seeder;
+
+class SystemSettingSeeder extends Seeder
+{
+    public function run(): void
+    {
+        $settings = [
+            // 💰 財務設定
+            [
+                'group' => 'finance',
+                'key' => 'finance.ap_payment_days',
+                'value' => '30',
+                'type' => 'integer',
+                'description' => '應付帳款預設付款天數',
+            ],
+            // 📦 庫存管理
+            [
+                'group' => 'inventory',
+                'key' => 'inventory.expiry_warning_days',
+                'value' => '30',
+                'type' => 'integer',
+                'description' => '商品到期預警天數',
+            ],
+            // 📊 周轉率分析
+            [
+                'group' => 'turnover',
+                'key' => 'turnover.analysis_period_days',
+                'value' => '30',
+                'type' => 'integer',
+                'description' => '周轉率分析：銷售統計期間（天）',
+            ],
+            [
+                'group' => 'turnover',
+                'key' => 'turnover.dead_stock_days',
+                'value' => '90',
+                'type' => 'integer',
+                'description' => '周轉率分析：滯銷判定天數',
+            ],
+            [
+                'group' => 'turnover',
+                'key' => 'turnover.slow_moving_days',
+                'value' => '60',
+                'type' => 'integer',
+                'description' => '周轉率分析：週轉慢判定天數',
+            ],
+            // 🖥️ 顯示設定
+            [
+                'group' => 'display',
+                'key' => 'display.per_page',
+                'value' => '10',
+                'type' => 'integer',
+                'description' => '每頁預設筆數',
+            ],
+        ];
+
+        foreach ($settings as $setting) {
+            \App\Modules\Core\Models\SystemSetting::updateOrCreate(
+                ['key' => $setting['key']],
+                $setting
+            );
+        }
+    }
+}

resources/js/Layouts/AuthenticatedLayout.tsx

@@ -307,6 +307,13 @@ export default function AuthenticatedLayout({
                     route: "/admin/activity-logs",
                     permission: "system.view_logs",
                 },
+                {
+                    id: "system-settings",
+                    label: "系統設定",
+                    icon: <Settings className="h-4 w-4" />,
+                    route: "/admin/settings",
+                    permission: "system.settings.view",
+                },
                 {
                     id: "manual",
                     label: "操作手冊",

resources/js/Pages/AccountPayable/Index.tsx

@@ -260,7 +260,7 @@ export default function AccountPayableIndex({ payables, filters, vendors }: any)
                     </Table>
                 </div>
 
-                <div className="mt-4 flex flex-col sm:flex-row items-center justify-between gap-4">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
                     <div className="flex items-center gap-4">
                         <div className="flex items-center gap-2 text-sm text-gray-500">
                             <span>每頁顯示</span>
@@ -278,7 +278,7 @@ export default function AccountPayableIndex({ payables, filters, vendors }: any)
                             />
                             <span>筆</span>
                         </div>
-                        <span className="text-sm text-gray-500">共 {payables.total} 筆紀錄</span>
+                        <span className="text-sm text-gray-500">共 {payables.total} 筆資料</span>
                     </div>
                     <Pagination links={payables.links} />
                 </div>

resources/js/Pages/Accounting/Report.tsx

@@ -365,6 +365,7 @@ export default function AccountingReport({ records, summary, filters }: PageProp
 
                 {/* Pagination Footer */}
                 <div className="mt-6 flex flex-col sm:flex-row items-start sm:items-center justify-between gap-4">
+                    <div className="flex items-center gap-4">
                         <div className="flex items-center gap-2 text-sm text-gray-500">
                             <span>每頁顯示</span>
                             <SearchableSelect
@@ -381,6 +382,8 @@ export default function AccountingReport({ records, summary, filters }: PageProp
                             />
                             <span>筆</span>
                         </div>
+                        <span className="text-sm text-gray-500">共 {records.total} 筆資料</span>
+                    </div>
                     <div className="w-full sm:w-auto flex justify-center sm:justify-end">
                         <Pagination links={records.links} />
                     </div>

resources/js/Pages/Admin/ActivityLog/Index.tsx

@@ -318,7 +318,8 @@ export default function ActivityLogIndex({ activities, filters, subject_types, u
                     from={activities.from}
                 />
 
-                <div className="mt-4 flex flex-col md:flex-row items-center justify-between gap-4">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
+                    <div className="flex items-center gap-4">
                         <div className="flex items-center gap-2 text-sm text-gray-500">
                             <span>每頁顯示</span>
                             <SearchableSelect
@@ -335,6 +336,8 @@ export default function ActivityLogIndex({ activities, filters, subject_types, u
                             />
                             <span>筆</span>
                         </div>
+                        <span className="text-sm text-gray-500">共 {activities.total} 筆資料</span>
+                    </div>
                     <div className="w-full md:w-auto flex justify-center md:justify-end">
                         <Pagination links={activities.links} />
                     </div>

resources/js/Pages/Admin/Setting/Index.tsx

@@ -0,0 +1,178 @@
+import React from "react";
+import AuthenticatedLayout from "@/Layouts/AuthenticatedLayout";
+import { Head, useForm } from "@inertiajs/react";
+import {
+    Card,
+    CardContent,
+    CardDescription,
+    CardHeader,
+    CardTitle
+} from "@/Components/ui/card";
+import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/Components/ui/tabs";
+import { Input } from "@/Components/ui/input";
+import { Label } from "@/Components/ui/label";
+import { Button } from "@/Components/ui/button";
+import {
+    Coins,
+    Package,
+    RefreshCcw,
+    Monitor,
+    Save,
+    Settings
+} from "lucide-react";
+import { toast } from "sonner";
+
+interface Setting {
+    key: string;
+    value: string;
+    description: string;
+}
+
+interface PageProps {
+    settings: Record<string, Setting[]>;
+}
+
+export default function SettingIndex({ settings }: PageProps) {
+    const { data, setData, post, processing } = useForm({
+        settings: Object.values(settings).flat().map(s => ({
+            key: s.key,
+            value: s.value
+        }))
+    });
+
+    const handleValueChange = (key: string, value: string) => {
+        const newSettings = data.settings.map(s =>
+            s.key === key ? { ...s, value } : s
+        );
+        setData('settings', newSettings);
+    };
+
+    const submit = (e: React.FormEvent) => {
+        e.preventDefault();
+        post(route('settings.update'), {
+            onSuccess: () => toast.success("系統設定已更新"),
+        });
+    };
+
+    const renderSettingRow = (setting: Setting) => {
+        const currentVal = data.settings.find(s => s.key === setting.key)?.value || '';
+
+        return (
+            <div key={setting.key} className="grid grid-cols-1 md:grid-cols-2 gap-4 items-center py-4 border-b last:border-0 border-gray-100">
+                <div>
+                    <Label className="text-base font-semibold text-grey-0">{setting.description}</Label>
+                    <p className="text-sm text-gray-500 mt-1">{setting.key}</p>
+                </div>
+                <div>
+                    <Input
+                        type="text"
+                        value={currentVal}
+                        onChange={(e) => handleValueChange(setting.key, e.target.value)}
+                        className="max-w-xs"
+                    />
+                </div>
+            </div>
+        );
+    };
+
+    return (
+        <AuthenticatedLayout
+            breadcrumbs={[
+                { label: "系統管理", href: "#" },
+                { label: "系統設定" }
+            ]}
+        >
+            <Head title="系統設定" />
+
+            <div className="container mx-auto p-6 max-w-7xl">
+                <div className="mb-6">
+                    <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
+                        <Settings className="h-6 w-6 text-primary-main" />
+                        系統設定
+                    </h1>
+                    <p className="text-gray-500 mt-2">
+                        管理全系統的預設值與業務規則。
+                    </p>
+                </div>
+
+                <form onSubmit={submit}>
+                    <Tabs defaultValue="finance" className="space-y-6">
+                        <TabsList className="bg-white border p-1 h-auto gap-2">
+                            <TabsTrigger value="finance" className="gap-2 py-2 data-[state=active]:button-filled-primary data-[state=active]:text-white">
+                                <Coins className="h-4 w-4" /> 財務設定
+                            </TabsTrigger>
+                            <TabsTrigger value="inventory" className="gap-2 py-2 data-[state=active]:button-filled-primary data-[state=active]:text-white">
+                                <Package className="h-4 w-4" /> 庫存管理
+                            </TabsTrigger>
+                            <TabsTrigger value="turnover" className="gap-2 py-2 data-[state=active]:button-filled-primary data-[state=active]:text-white">
+                                <RefreshCcw className="h-4 w-4" /> 周轉率分析
+                            </TabsTrigger>
+                            <TabsTrigger value="display" className="gap-2 py-2 data-[state=active]:button-filled-primary data-[state=active]:text-white">
+                                <Monitor className="h-4 w-4" /> 顯示設定
+                            </TabsTrigger>
+                        </TabsList>
+
+                        <TabsContent value="finance">
+                            <Card>
+                                <CardHeader>
+                                    <CardTitle>財務設定</CardTitle>
+                                    <CardDescription>管理應付帳款與稅務相關的預設規則。</CardDescription>
+                                </CardHeader>
+                                <CardContent className="space-y-1">
+                                    {settings.finance?.map(renderSettingRow)}
+                                </CardContent>
+                            </Card>
+                        </TabsContent>
+
+                        <TabsContent value="inventory">
+                            <Card>
+                                <CardHeader>
+                                    <CardTitle>庫存管理</CardTitle>
+                                    <CardDescription>管理商品效期、預警等庫存核心設定。</CardDescription>
+                                </CardHeader>
+                                <CardContent className="space-y-1">
+                                    {settings.inventory?.map(renderSettingRow)}
+                                </CardContent>
+                            </Card>
+                        </TabsContent>
+
+                        <TabsContent value="turnover">
+                            <Card>
+                                <CardHeader>
+                                    <CardTitle>周轉率分析</CardTitle>
+                                    <CardDescription>調整商品周轉率計算與滯銷判定的天數標準。</CardDescription>
+                                </CardHeader>
+                                <CardContent className="space-y-1">
+                                    {settings.turnover?.map(renderSettingRow)}
+                                </CardContent>
+                            </Card>
+                        </TabsContent>
+
+                        <TabsContent value="display">
+                            <Card>
+                                <CardHeader>
+                                    <CardTitle>顯示設定</CardTitle>
+                                    <CardDescription>設定全系統清單頁面的顯示偏好。</CardDescription>
+                                </CardHeader>
+                                <CardContent className="space-y-1">
+                                    {settings.display?.map(renderSettingRow)}
+                                </CardContent>
+                            </Card>
+                        </TabsContent>
+
+                        <div className="flex justify-end gap-4 mt-6">
+                            <Button
+                                type="submit"
+                                className="button-filled-primary"
+                                disabled={processing}
+                            >
+                                <Save className="h-4 w-4 mr-2" />
+                                {processing ? "儲存中..." : "儲存設定"}
+                            </Button>
+                        </div>
+                    </Tabs>
+                </form>
+            </div>
+        </AuthenticatedLayout>
+    );
+}

resources/js/Pages/Admin/User/Index.tsx

@@ -56,6 +56,7 @@ interface Props {
     users: {
         data: User[];
         from: number;
+        total: number;
         links: PaginationLinks[];
     };
     filters: {
@@ -394,7 +395,8 @@ export default function UserIndex({ users, roles, filters }: Props) {
                 </div>
 
                 {/* 分頁元件 - 統一樣式 */}
-                <div className="mt-4 flex flex-col sm:flex-row items-start sm:items-center justify-between gap-4">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
+                    <div className="flex items-center gap-4">
                         <div className="flex items-center gap-2 text-sm text-gray-500">
                             <span>每頁顯示</span>
                             <SearchableSelect
@@ -411,6 +413,8 @@ export default function UserIndex({ users, roles, filters }: Props) {
                             />
                             <span>筆</span>
                         </div>
+                        <span className="text-sm text-gray-500">共 {users.total} 筆資料</span>
+                    </div>
                     <div className="w-full sm:w-auto flex justify-center sm:justify-end">
                         <Pagination links={users.links} />
                     </div>

resources/js/Pages/Integration/SalesOrders/Index.tsx

@@ -280,9 +280,7 @@ export default function SalesOrderIndex({ orders, filters }: Props) {
                             />
                             <span>筆</span>
                         </div>
-                        <span className="text-sm text-gray-500">
-                            共 {orders.total} 筆紀錄
-                        </span>
+                        <span className="text-sm text-gray-500">共 {orders.total} 筆資料</span>
                     </div>
                     <Pagination links={orders.links} />
                 </div>

resources/js/Pages/Inventory/Adjust/Index.tsx

@@ -353,7 +353,7 @@ export default function Index({ docs, warehouses, filters }: { docs: DocsPaginat
                     </Table>
                 </div>
 
-                <div className="mt-4 flex flex-col sm:flex-row items-center justify-between gap-4">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
                     <div className="flex items-center gap-4">
                         <div className="flex items-center gap-2 text-sm text-gray-500">
                             <span>每頁顯示</span>
@@ -371,7 +371,7 @@ export default function Index({ docs, warehouses, filters }: { docs: DocsPaginat
                             />
                             <span>筆</span>
                         </div>
-                        <span className="text-sm text-gray-500">共 {docs?.total || 0} 筆紀錄</span>
+                        <span className="text-sm text-gray-500">共 {docs.total} 筆資料</span>
                     </div>
                     <Pagination links={docs.links} />
                 </div>

resources/js/Pages/Inventory/Analysis/Index.tsx

@@ -415,7 +415,8 @@ export default function InventoryAnalysisIndex({ analysisData, kpis, warehouses,
                 </div>
 
                 {/* Pagination Footer */}
-                <div className="mt-6 flex flex-col sm:flex-row items-start sm:items-center justify-between gap-4">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
+                    <div className="flex items-center gap-4">
                         <div className="flex items-center gap-2 text-sm text-gray-500">
                             <span>每頁顯示</span>
                             <SearchableSelect
@@ -432,6 +433,8 @@ export default function InventoryAnalysisIndex({ analysisData, kpis, warehouses,
                             />
                             <span>筆</span>
                         </div>
+                        <span className="text-sm text-gray-500">共 {analysisData.total} 筆資料</span>
+                    </div>
                     <div className="w-full sm:w-auto flex justify-center sm:justify-end">
                         <Pagination links={analysisData.links} />
                     </div>

resources/js/Pages/Inventory/Count/Index.tsx

@@ -368,7 +368,7 @@ export default function Index({ docs, warehouses, filters }: any) {
                     </Table>
                 </div>
 
-                <div className="mt-4 flex flex-col sm:flex-row items-center justify-between gap-4">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
                     <div className="flex items-center gap-4">
                         <div className="flex items-center gap-2 text-sm text-gray-500">
                             <span>每頁顯示</span>
@@ -386,7 +386,7 @@ export default function Index({ docs, warehouses, filters }: any) {
                             />
                             <span>筆</span>
                         </div>
-                        <span className="text-sm text-gray-500">共 {docs.total} 筆紀錄</span>
+                        <span className="text-sm text-gray-500">共 {docs.total} 筆資料</span>
                     </div>
                     <Pagination links={docs.links} />
                 </div>

resources/js/Pages/Inventory/GoodsReceipt/Index.tsx

@@ -45,7 +45,7 @@ export default function GoodsReceiptIndex({ receipts, filters, warehouses }: Pro
     const [warehouseId, setWarehouseId] = useState(filters.warehouse_id || 'all');
     const [dateStart, setDateStart] = useState(filters.date_start || '');
     const [dateEnd, setDateEnd] = useState(filters.date_end || '');
-    const [perPage, setPerPage] = useState(filters.per_page || '10');
+    const [perPage, setPerPage] = useState(filters.per_page || receipts.per_page?.toString() || '10');
     const [dateRangeType, setDateRangeType] = useState('custom');
 
     // Advanced Filter Toggle
@@ -58,7 +58,7 @@ export default function GoodsReceiptIndex({ receipts, filters, warehouses }: Pro
         setWarehouseId(filters.warehouse_id || 'all');
         setDateStart(filters.date_start || '');
         setDateEnd(filters.date_end || '');
-        setPerPage(filters.per_page || '10');
+        setPerPage(filters.per_page || receipts.per_page?.toString() || '10');
     }, [filters]);
 
     const handleFilter = () => {
@@ -285,7 +285,8 @@ export default function GoodsReceiptIndex({ receipts, filters, warehouses }: Pro
                 <GoodsReceiptTable receipts={receipts.data} />
 
                 {/* Pagination */}
-                <div className="mt-4 flex flex-col sm:flex-row items-center justify-between gap-4">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
+                    <div className="flex items-center gap-4">
                         <div className="flex items-center gap-2 text-sm text-gray-500">
                             <span>每頁顯示</span>
                             <SearchableSelect
@@ -302,6 +303,8 @@ export default function GoodsReceiptIndex({ receipts, filters, warehouses }: Pro
                             />
                             <span>筆</span>
                         </div>
+                        <span className="text-sm text-gray-500">共 {receipts.total} 筆資料</span>
+                    </div>
                     <Pagination links={receipts.links} />
                 </div>
             </div>

resources/js/Pages/Inventory/Report/Index.tsx

@@ -581,7 +581,8 @@ export default function InventoryReportIndex({ reportData, summary, warehouses,
                 </div>
 
                 {/* Pagination Footer */}
-                <div className="mt-6 flex flex-col sm:flex-row items-start sm:items-center justify-between gap-4">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
+                    <div className="flex items-center gap-4">
                         <div className="flex items-center gap-2 text-sm text-gray-500">
                             <span>每頁顯示</span>
                             <SearchableSelect
@@ -598,6 +599,8 @@ export default function InventoryReportIndex({ reportData, summary, warehouses,
                             />
                             <span>筆</span>
                         </div>
+                        <span className="text-sm text-gray-500">共 {reportData.total} 筆資料</span>
+                    </div>
                     <div className="w-full sm:w-auto flex justify-center sm:justify-end">
                         <Pagination links={reportData.links} />
                     </div>

resources/js/Pages/Inventory/StockQuery/Index.tsx

@@ -123,7 +123,7 @@ export default function StockQueryIndex({
 }: Props) {
     const [search, setSearch] = useState(filters.search || "");
     const [perPage, setPerPage] = useState<string>(
-        filters.per_page || "10"
+        filters.per_page || inventories.per_page?.toString() || "10"
     );
 
     // 執行篩選

resources/js/Pages/Inventory/Transfer/Index.tsx

@@ -386,7 +386,7 @@ export default function Index({ warehouses, orders, filters }: any) {
                     </Table>
                 </div>
 
-                <div className="mt-4 flex flex-col sm:flex-row items-center justify-between gap-4">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
                     <div className="flex items-center gap-4">
                         <div className="flex items-center gap-2 text-sm text-gray-500">
                             <span>每頁顯示</span>
@@ -404,7 +404,7 @@ export default function Index({ warehouses, orders, filters }: any) {
                             />
                             <span>筆</span>
                         </div>
-                        <span className="text-sm text-gray-500">共 {orders.total} 筆紀錄</span>
+                        <span className="text-sm text-gray-500">共 {orders.total} 筆資料</span>
                     </div>
                     <Pagination links={orders.links} />
                 </div>

resources/js/Pages/Product/Index.tsx

@@ -51,6 +51,9 @@ interface PageProps {
     data: Product[];
     links: any[]; // Todo: pagination types
     from: number;
+    per_page: number;
+    current_page: number;
+    total: number;
   };
   categories: Category[];
   units: Unit[];
@@ -67,7 +70,7 @@ export default function ProductManagement({ products, categories, units, filters
   const { branding } = usePage<GlobalPageProps>().props;
   const [searchTerm, setSearchTerm] = useState(filters.search || "");
   const [typeFilter, setTypeFilter] = useState<string>(filters.category_id || "all");
-  const [perPage, setPerPage] = useState<string>(filters.per_page || "10");
+  const [perPage, setPerPage] = useState<string>(filters.per_page || products.per_page?.toString() || "10");
   const [sortField, setSortField] = useState<string | null>(filters.sort_field || null);
   const [sortDirection, setSortDirection] = useState<"asc" | "desc" | null>(filters.sort_direction as "asc" | "desc" || null);
   const [isCategoryDialogOpen, setIsCategoryDialogOpen] = useState(false);
@@ -78,12 +81,10 @@ export default function ProductManagement({ products, categories, units, filters
   useEffect(() => {
     setSearchTerm(filters.search || "");
     setTypeFilter(filters.category_id || "all");
-    setSearchTerm(filters.search || "");
-    setTypeFilter(filters.category_id || "all");
-    setPerPage(filters.per_page || "10");
+    setPerPage(filters.per_page || products.per_page?.toString() || "10");
     setSortField(filters.sort_field || null);
     setSortDirection(filters.sort_direction as "asc" | "desc" || null);
-  }, [filters]);
+  }, [filters, products.per_page]);
 
   const handleSort = (field: string) => {
     let newField: string | null = field;
@@ -270,7 +271,8 @@ export default function ProductManagement({ products, categories, units, filters
         />
 
         {/* 分頁元件 */}
-        <div className="mt-4 flex flex-col sm:flex-row items-start sm:items-center justify-between gap-4">
+        <div className="mt-6 flex flex-col sm:flex-row items-start sm:items-center justify-between gap-4">
+          <div className="flex items-center gap-4">
             <div className="flex items-center gap-2 text-sm text-gray-500">
               <span>每頁顯示</span>
               <SearchableSelect
@@ -287,6 +289,8 @@ export default function ProductManagement({ products, categories, units, filters
               />
               <span>筆</span>
             </div>
+            <span className="text-sm text-gray-500">共 {products.total} 筆資料</span>
+          </div>
           <div className="w-full sm:w-auto flex justify-center sm:justify-end">
             <Pagination links={products.links} />
           </div>

resources/js/Pages/Production/Index.tsx

@@ -43,6 +43,7 @@ interface Props {
         data: ProductionOrder[];
         links: any[];
         total: number;
+        per_page: number;
         from: number;
         to: number;
     };
@@ -66,12 +67,12 @@ const statusOptions = [
 export default function ProductionIndex({ productionOrders, filters }: Props) {
     const [search, setSearch] = useState(filters.search || "");
     const [status, setStatus] = useState<string>(filters.status || "all");
-    const [perPage, setPerPage] = useState<string>(filters.per_page || "10");
+    const [perPage, setPerPage] = useState<string>(filters.per_page || productionOrders.per_page?.toString() || "10");
 
     useEffect(() => {
         setSearch(filters.search || "");
         setStatus(filters.status || "all");
-        setPerPage(filters.per_page || "10");
+        setPerPage(filters.per_page || productionOrders.per_page?.toString() || "10");
     }, [filters]);
 
     const handleFilter = () => {
@@ -302,7 +303,8 @@ export default function ProductionIndex({ productionOrders, filters }: Props) {
                 </div>
 
                 {/* 分頁 */}
-                <div className="mt-4 flex flex-col sm:flex-row items-start sm:items-center justify-between gap-4">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
+                    <div className="flex items-center gap-4">
                         <div className="flex items-center gap-2 text-sm text-gray-500">
                             <span>每頁顯示</span>
                             <SearchableSelect
@@ -319,6 +321,8 @@ export default function ProductionIndex({ productionOrders, filters }: Props) {
                             />
                             <span>筆</span>
                         </div>
+                        <span className="text-sm text-gray-500">共 {productionOrders.total} 筆資料</span>
+                    </div>
                     <div className="w-full sm:w-auto flex justify-center sm:justify-end">
                         <Pagination links={productionOrders.links} />
                     </div>

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

@@ -306,7 +306,8 @@ export default function RecipeIndex({ recipes, filters }: Props) {
                 </div>
 
                 {/* 分頁 */}
-                <div className="mt-4 flex flex-col sm:flex-row items-start sm:items-center justify-between gap-4">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
+                    <div className="flex items-center gap-4">
                         <div className="flex items-center gap-2 text-sm text-gray-500">
                             <span>每頁顯示</span>
                             <SearchableSelect
@@ -323,6 +324,8 @@ export default function RecipeIndex({ recipes, filters }: Props) {
                             />
                             <span>筆</span>
                         </div>
+                        <span className="text-sm text-gray-500">共 {recipes.total} 筆資料</span>
+                    </div>
                     <div className="w-full sm:w-auto flex justify-center sm:justify-end">
                         <Pagination links={recipes.links} />
                     </div>

resources/js/Pages/PurchaseOrder/Index.tsx

@@ -30,6 +30,7 @@ interface Props {
         data: PurchaseOrder[];
         links: any[];
         total: number;
+        per_page: number;
         from: number;
         to: number;
     };
@@ -53,7 +54,7 @@ export default function PurchaseOrderIndex({ orders, filters, warehouses }: Prop
     const [warehouseId, setWarehouseId] = useState<string>(filters.warehouse_id || "all");
     const [dateStart, setDateStart] = useState(filters.date_start || "");
     const [dateEnd, setDateEnd] = useState(filters.date_end || "");
-    const [perPage, setPerPage] = useState<string>(filters.per_page || "10");
+    const [perPage, setPerPage] = useState<string>(filters.per_page || orders.per_page?.toString() || "10");
     const [dateRangeType, setDateRangeType] = useState('custom');
 
     // Advanced Filter Toggle
@@ -66,7 +67,7 @@ export default function PurchaseOrderIndex({ orders, filters, warehouses }: Prop
         setWarehouseId(filters.warehouse_id || "all");
         setDateStart(filters.date_start || "");
         setDateEnd(filters.date_end || "");
-        setPerPage(filters.per_page || "10");
+        setPerPage(filters.per_page || orders.per_page?.toString() || "10");
     }, [filters]);
 
     const handleFilter = () => {
@@ -295,7 +296,8 @@ export default function PurchaseOrderIndex({ orders, filters, warehouses }: Prop
                 />
 
                 {/* 分頁元件 - 統一樣式 */}
-                <div className="mt-4 flex flex-col sm:flex-row items-start sm:items-center justify-between gap-4">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
+                    <div className="flex items-center gap-4">
                         <div className="flex items-center gap-2 text-sm text-gray-500">
                             <span>每頁顯示</span>
                             <SearchableSelect
@@ -312,6 +314,8 @@ export default function PurchaseOrderIndex({ orders, filters, warehouses }: Prop
                             />
                             <span>筆</span>
                         </div>
+                        <span className="text-sm text-gray-500">共 {orders.total} 筆資料</span>
+                    </div>
                     <div className="w-full sm:w-auto flex justify-center sm:justify-end">
                         <Pagination links={orders.links} />
                     </div>

resources/js/Pages/PurchaseReturn/Index.tsx

@@ -14,6 +14,7 @@ import { getBreadcrumbs } from "@/utils/breadcrumb";
 import { Can } from "@/Components/Permission/Can";
 import { Input } from "@/Components/ui/input";
 import { Label } from "@/Components/ui/label";
+import { SearchableSelect } from "@/Components/ui/searchable-select";
 import {
     Select,
     SelectContent,
@@ -34,17 +35,20 @@ interface Props {
     filters: {
         search?: string;
         status?: string;
+        per_page?: string;
     };
 }
 
 export default function PurchaseReturnIndex({ purchaseReturns, filters }: Props) {
     const [search, setSearch] = useState(filters.search || "");
     const [status, setStatus] = useState<string>(filters.status || "all");
+    const [perPage, setPerPage] = useState<string>(filters.per_page || "15");
 
     // 同步 URL 參數
     useEffect(() => {
         setSearch(filters.search || "");
         setStatus(filters.status || "all");
+        setPerPage(filters.per_page || "15");
     }, [filters]);
 
     const handleFilter = () => {
@@ -53,6 +57,7 @@ export default function PurchaseReturnIndex({ purchaseReturns, filters }: Props)
             {
                 search,
                 status: status === 'all' ? undefined : status,
+                per_page: perPage,
             },
             { preserveState: true, replace: true }
         );
@@ -61,9 +66,19 @@ export default function PurchaseReturnIndex({ purchaseReturns, filters }: Props)
     const handleReset = () => {
         setSearch("");
         setStatus("all");
+        setPerPage("15");
         router.get(route('purchase-returns.index'));
     };
 
+    const handlePerPageChange = (value: string) => {
+        setPerPage(value);
+        router.get(
+            route('purchase-returns.index'),
+            { ...filters, per_page: value, page: 1 },
+            { preserveState: false, replace: true, preserveScroll: true }
+        );
+    };
+
     const handleNavigateToCreate = () => {
         router.get(route('purchase-returns.create'));
     };
@@ -163,10 +178,31 @@ export default function PurchaseReturnIndex({ purchaseReturns, filters }: Props)
                 />
 
                 {/* 分頁元件 */}
-                <div className="mt-4 flex flex-col sm:flex-row items-center justify-between sm:justify-end gap-4 w-full">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
+                    <div className="flex items-center 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>
+                        <span className="text-sm text-gray-500">共 {purchaseReturns.total} 筆資料</span>
+                    </div>
+                    <div className="w-full sm:w-auto flex justify-center sm:justify-end">
                         <Pagination links={purchaseReturns.links} />
                     </div>
                 </div>
+            </div>
         </AuthenticatedLayout>
     );
 }

resources/js/Pages/Sales/Import/Index.tsx

@@ -47,6 +47,7 @@ interface Props {
     batches: {
         data: ImportBatch[];
         links: any[]; // Pagination links
+        total: number;
     };
     filters?: {
         per_page?: string;
@@ -250,7 +251,8 @@ export default function SalesImportIndex({ batches, filters = {} }: Props) {
                 </div>
 
                 {/* Pagination */}
-                <div className="mt-4 flex flex-col sm:flex-row items-center justify-between gap-4">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
+                    <div className="flex items-center gap-4">
                         <div className="flex items-center gap-2 text-sm text-gray-500">
                             <span>每頁顯示</span>
                             <SearchableSelect
@@ -267,6 +269,8 @@ export default function SalesImportIndex({ batches, filters = {} }: Props) {
                             />
                             <span>筆</span>
                         </div>
+                        <span className="text-sm text-gray-500">共 {batches.total} 筆資料</span>
+                    </div>
                     <Pagination links={batches.links} />
                 </div>
             </div>

resources/js/Pages/ShippingOrder/Index.tsx

@@ -1,5 +1,5 @@
-import { useState, useEffect } from "react";
-import { Plus, Package, Search, RotateCcw, ChevronDown, ChevronUp } from 'lucide-react';
+import { useState } from "react";
+import { Plus, Package, Search, RotateCcw } from 'lucide-react';
 import { Button } from "@/Components/ui/button";
 import AuthenticatedLayout from "@/Layouts/AuthenticatedLayout";
 import { Head, router, Link } from "@inertiajs/react";
@@ -30,7 +30,7 @@ interface Props {
     warehouses: { id: number; name: string }[];
 }
 
-export default function ShippingOrderIndex({ orders, filters, warehouses }: Props) {
+export default function ShippingOrderIndex({ orders, filters }: Props) {
     const [search, setSearch] = useState(filters.search || "");
     const [status, setStatus] = useState<string>(filters.status || "all");
 
@@ -198,7 +198,10 @@ export default function ShippingOrderIndex({ orders, filters, warehouses }: Prop
                     </Table>
                 </div>
 
-                <div className="mt-4 flex justify-end">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
+                    <div className="flex items-center gap-4">
+                        <span className="text-sm text-gray-500">共 {(orders as any).total} 筆資料</span>
+                    </div>
                     <Pagination links={orders.links} />
                 </div>
             </div>

resources/js/Pages/StoreRequisition/Index.tsx

@@ -367,7 +367,7 @@ export default function Index({
                 </div>
 
                 {/* 分頁 */}
-                <div className="mt-4 flex flex-col sm:flex-row items-center justify-between gap-4">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
                     <div className="flex items-center gap-4">
                         <div className="flex items-center gap-2 text-sm text-gray-500">
                             <span>每頁顯示</span>
@@ -385,7 +385,7 @@ export default function Index({
                             />
                             <span>筆</span>
                         </div>
-                        <span className="text-sm text-gray-500">共 {requisitions.total} 筆紀錄</span>
+                        <span className="text-sm text-gray-500">共 {requisitions.total} 筆資料</span>
                     </div>
                     <Pagination links={requisitions.links} />
                 </div>

resources/js/Pages/UtilityFee/Index.tsx

@@ -464,7 +464,8 @@ export default function UtilityFeeIndex({ fees, availableCategories, filters }:
 
                 </div>
 
-                <div className="mt-4 flex flex-col sm:flex-row items-start sm:items-center justify-between gap-4">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
+                    <div className="flex items-center gap-4">
                         <div className="flex items-center gap-2 text-sm text-gray-500">
                             <span>每頁顯示</span>
                             <SearchableSelect
@@ -481,6 +482,8 @@ export default function UtilityFeeIndex({ fees, availableCategories, filters }:
                             />
                             <span>筆</span>
                         </div>
+                        <span className="text-sm text-gray-500">共 {fees.total} 筆資料</span>
+                    </div>
                     <div className="w-full sm:w-auto flex justify-center sm:justify-end">
                         <Pagination links={fees.links} />
                     </div>

resources/js/Pages/Vendor/Index.tsx

@@ -34,6 +34,8 @@ interface PageProps {
         data: Vendor[];
         links: any[];
         meta: any;
+        total: number;
+        per_page: number;
     };
     filters: {
         search?: string;
@@ -47,7 +49,7 @@ export default function VendorManagement({ vendors, filters }: PageProps) {
     const [searchTerm, setSearchTerm] = useState(filters.search || "");
     const [sortField, setSortField] = useState<string | null>(filters.sort_field || null);
     const [sortDirection, setSortDirection] = useState<"asc" | "desc" | null>(filters.sort_direction as "asc" | "desc" || null);
-    const [perPage, setPerPage] = useState<string>(filters.per_page || "10");
+    const [perPage, setPerPage] = useState<string>(filters.per_page || vendors.per_page?.toString() || "10");
     const [isDialogOpen, setIsDialogOpen] = useState(false);
     const [editingVendor, setEditingVendor] = useState<Vendor | null>(null);
 
@@ -56,7 +58,7 @@ export default function VendorManagement({ vendors, filters }: PageProps) {
         setSearchTerm(filters.search || "");
         setSortField(filters.sort_field || null);
         setSortDirection(filters.sort_direction as "asc" | "desc" || null);
-        setPerPage(filters.per_page || "10");
+        setPerPage(filters.per_page || vendors.per_page?.toString() || "10");
     }, [filters]);
 
     // Debounced Search
@@ -202,7 +204,8 @@ export default function VendorManagement({ vendors, filters }: PageProps) {
                 />
 
                 {/* 分頁元件 - 統一樣式 */}
-                <div className="mt-4 flex flex-col sm:flex-row items-start sm:items-center justify-between gap-4">
+                <div className="mt-6 flex flex-col sm:flex-row items-center justify-between gap-4">
+                    <div className="flex items-center gap-4">
                         <div className="flex items-center gap-2 text-sm text-gray-500">
                             <span>每頁顯示</span>
                             <SearchableSelect
@@ -219,6 +222,8 @@ export default function VendorManagement({ vendors, filters }: PageProps) {
                             />
                             <span>筆</span>
                         </div>
+                        <span className="text-sm text-gray-500">共 {vendors.total} 筆資料</span>
+                    </div>
                     <div className="w-full sm:w-auto flex justify-center sm:justify-end">
                         <Pagination links={vendors.links} />
                     </div>

resources/js/Pages/Warehouse/Index.tsx

@@ -300,7 +300,7 @@ export default function WarehouseIndex({ warehouses, totals, transitWarehouses,
                             />
                             <span>筆</span>
                         </div>
-                        <span className="text-sm text-gray-500">共 {warehouses.total} 筆紀錄</span>
+                        <span className="text-sm text-gray-500">共 {warehouses.total} 筆資料</span>
                     </div>
                     <Pagination links={warehouses.links} />
                 </div>