[REFACTOR] 優化資料庫查詢效能：在多個 Service 與 Controller 中加入 select 欄位限制，並新增租戶資料表索引 Migration。

.agents/rules/skill-trigger.md

@@ -20,6 +20,7 @@ Skills 位於 `.agents/skills/`，採漸進式揭露以節省 Token。
 | 按鈕樣式、表格規範、圖標、分頁、Badge、Toast、表單、UI 統一、頁面佈局、`button-filled-*`、`button-outlined-*`、`lucide-react`、色彩系統 | **客戶端後台 UI 統一規範** | `.agents/skills/ui-consistency/SKILL.md` |
 | Git 分支、commit、push、合併、部署、`feature/`、`hotfix/`、`develop`、`main` | **Git 分支管理與開發規範** | `.agents/skills/git-workflows/SKILL.md` |
 | E2E、端到端測試、Playwright、`spec.ts`、功能驗證、自動化測試、回歸測試 | **E2E 端到端測試規範** | `.agents/skills/e2e-testing/SKILL.md` |
+| 查詢、撈資料、Query、Controller、下拉選單、Eloquent、N+1、`->get()`、select | **Eloquent 與 MySQL 查詢優化規範** | `/home/mama/.gemini/antigravity/global_skills/eloquent-optimization/SKILL.md` |
 
 ---
 
@@ -43,6 +44,10 @@ Skills 位於 `.agents/skills/`，採漸進式揭露以節省 Token。
 必須讀取：
 1. **git-workflows** — 分支命名與 commit 格式
 
+### 🔴 新增或修改 API 與 Controller 撈取資料庫邏輯時
+必須讀取：
+1. **eloquent-optimization** — 確認查詢是否有做適當的 `select` 優化與 N+1 檢查
+
 ---
 
 ## 注意事項

app/Modules/Core/Controllers/RoleController.php

@@ -151,7 +151,7 @@ class RoleController extends Controller
      */
     private function getGroupedPermissions()
     {
-        $allPermissions = Permission::orderBy('name')->get();
+        $allPermissions = Permission::select('id', 'name', 'guard_name')->orderBy('name')->get();
         $grouped = [];
 
         foreach ($allPermissions as $permission) {

app/Modules/Core/Services/CoreService.php

@@ -16,7 +16,7 @@ class CoreService implements CoreServiceInterface
      */
     public function getUsersByIds(array $ids): Collection
     {
-        return User::whereIn('id', $ids)->get();
+        return User::select('id', 'name')->whereIn('id', $ids)->get();
     }
 
     /**
@@ -37,7 +37,7 @@ class CoreService implements CoreServiceInterface
      */
     public function getAllUsers(): Collection
     {
-        return User::all();
+        return User::select('id', 'name')->get();
     }
 
     public function ensureSystemUserExists()

app/Modules/Inventory/Controllers/AdjustDocController.php

@@ -63,7 +63,7 @@ class AdjustDocController extends Controller
 
         return Inertia::render('Inventory/Adjust/Index', [
             'docs' => $docs,
-            'warehouses' => Warehouse::all()->map(fn($w) => ['id' => (string)$w->id, 'name' => $w->name]),
+            'warehouses' => Warehouse::select('id', 'name')->get()->map(fn($w) => ['id' => (string)$w->id, 'name' => $w->name]),
             'filters' => $request->only(['warehouse_id', 'search', 'per_page']),
         ]);
     }

app/Modules/Inventory/Controllers/CountDocController.php

@@ -67,7 +67,7 @@ class CountDocController extends Controller
 
         return Inertia::render('Inventory/Count/Index', [
             'docs' => $docs,
-            'warehouses' => Warehouse::all()->map(fn($w) => ['id' => (string)$w->id, 'name' => $w->name]),
+            'warehouses' => Warehouse::select('id', 'name')->get()->map(fn($w) => ['id' => (string)$w->id, 'name' => $w->name]),
             'filters' => $request->only(['warehouse_id', 'search', 'per_page']),
         ]);
     }

app/Modules/Inventory/Controllers/InventoryController.php

@@ -41,7 +41,7 @@ class InventoryController extends Controller
             'inventories.lastIncomingTransaction',
             'inventories.lastOutgoingTransaction'
         ]);
-        $allProducts = Product::with('category')->get();
+        $allProducts = Product::select('id', 'name', 'code', 'category_id')->with('category:id,name')->get();
 
         // 1. 準備 availableProducts
         $availableProducts = $allProducts->map(function ($product) {
@@ -167,8 +167,8 @@ class InventoryController extends Controller
     public function create(Warehouse $warehouse)
     {
        // ... (unchanged) ...
-        $products = Product::with(['baseUnit', 'largeUnit'])
+        $products = Product::select('id', 'name', 'code', 'barcode', 'base_unit_id', 'large_unit_id', 'conversion_rate', 'cost_price')
-            ->select('id', 'name', 'code', 'barcode', 'base_unit_id', 'large_unit_id', 'conversion_rate', 'cost_price')
+            ->with(['baseUnit:id,name', 'largeUnit:id,name'])
             ->get()
             ->map(function ($product) {
             return [

app/Modules/Inventory/Controllers/ProductController.php

@@ -112,12 +112,12 @@ class ProductController extends Controller
             ];
         });
 
-        $categories = Category::where('is_active', true)->get();
+        $categories = Category::select('id', 'name')->where('is_active', true)->get();
 
         return Inertia::render('Product/Index', [
             'products' => $products,
-            'categories' => Category::where('is_active', true)->get()->map(fn($c) => (object)['id' => $c->id, 'name' => $c->name]),
+            'categories' => $categories->map(fn($c) => (object)['id' => $c->id, 'name' => $c->name]),
-            'units' => Unit::all()->map(fn($u) => (object)['id' => (string) $u->id, 'name' => $u->name, 'code' => $u->code]),
+            'units' => Unit::select('id', 'name', 'code')->get()->map(fn($u) => (object)['id' => (string) $u->id, 'name' => $u->name, 'code' => $u->code]),
             'filters' => $request->only(['search', 'category_id', 'per_page', 'sort_field', 'sort_direction']),
         ]);
     }
@@ -172,8 +172,8 @@ class ProductController extends Controller
     public function create(): Response
     {
         return Inertia::render('Product/Create', [
-            'categories' => Category::where('is_active', true)->get()->map(fn($c) => (object)['id' => $c->id, 'name' => $c->name]),
+            'categories' => Category::select('id', 'name')->where('is_active', true)->get()->map(fn($c) => (object)['id' => $c->id, 'name' => $c->name]),
-            'units' => Unit::all()->map(fn($u) => (object)['id' => (string) $u->id, 'name' => $u->name, 'code' => $u->code]),
+            'units' => Unit::select('id', 'name', 'code')->get()->map(fn($u) => (object)['id' => (string) $u->id, 'name' => $u->name, 'code' => $u->code]),
         ]);
     }
 
@@ -231,8 +231,8 @@ class ProductController extends Controller
                 'wholesale_price' => (float) $product->wholesale_price,
                 'is_active' => (bool) $product->is_active,
             ],
-            'categories' => Category::where('is_active', true)->get()->map(fn($c) => (object)['id' => $c->id, 'name' => $c->name]),
+            'categories' => Category::select('id', 'name')->where('is_active', true)->get()->map(fn($c) => (object)['id' => $c->id, 'name' => $c->name]),
-            'units' => Unit::all()->map(fn($u) => (object)['id' => (string) $u->id, 'name' => $u->name, 'code' => $u->code]),
+            'units' => Unit::select('id', 'name', 'code')->get()->map(fn($u) => (object)['id' => (string) $u->id, 'name' => $u->name, 'code' => $u->code]),
         ]);
     }
 

app/Modules/Inventory/Controllers/SafetyStockController.php

@@ -19,7 +19,7 @@ class SafetyStockController extends Controller
      */
     public function index(Warehouse $warehouse)
     {
-        $allProducts = Product::with(['category', 'baseUnit'])->get();
+        $allProducts = Product::select('id', 'name', 'category_id', 'base_unit_id')->with(['category:id,name', 'baseUnit:id,name'])->get();
 
         // 準備可選商品列表
         $availableProducts = $allProducts->map(function ($product) {

app/Modules/Inventory/Controllers/TransferOrderController.php

@@ -65,7 +65,7 @@ class TransferOrderController extends Controller
 
         return Inertia::render('Inventory/Transfer/Index', [
             'orders' => $orders,
-            'warehouses' => Warehouse::all()->map(fn($w) => ['id' => (string)$w->id, 'name' => $w->name]),
+            'warehouses' => Warehouse::select('id', 'name')->get()->map(fn($w) => ['id' => (string)$w->id, 'name' => $w->name]),
             'filters' => $request->only(['search', 'warehouse_id', 'per_page']),
         ]);
     }

app/Modules/Inventory/Services/InventoryService.php

@@ -13,7 +13,7 @@ class InventoryService implements InventoryServiceInterface
 {
     public function getAllWarehouses()
     {
-        return Warehouse::all();
+        return Warehouse::select('id', 'name', 'code', 'type')->get();
     }
 
     public function getTopInventoryValue(int $limit = 5): \Illuminate\Support\Collection
@@ -38,12 +38,14 @@ class InventoryService implements InventoryServiceInterface
 
     public function getAllProducts()
     {
-        return Product::with(['baseUnit', 'largeUnit'])->get();
+        return Product::select('id', 'name', 'code', 'base_unit_id', 'large_unit_id')
+            ->with(['baseUnit:id,name', 'largeUnit:id,name'])
+            ->get();
     }
 
     public function getUnits()
     {
-        return \App\Modules\Inventory\Models\Unit::all();
+        return \App\Modules\Inventory\Models\Unit::select('id', 'name')->get();
     }
 
     public function getInventoriesByIds(array $ids, array $with = [])

app/Modules/Procurement/Controllers/PurchaseOrderController.php

@@ -118,7 +118,7 @@ class PurchaseOrderController extends Controller
     public function create()
     {
         // 1. 獲取廠商（無關聯）
-        $vendors = Vendor::all();
+        $vendors = Vendor::select('id', 'name')->get();
 
         // 2. 手動注入：獲取 Pivot 資料
         $vendorIds = $vendors->pluck('id')->toArray();
@@ -379,7 +379,7 @@ class PurchaseOrderController extends Controller
         $order = PurchaseOrder::with(['items'])->findOrFail($id);
 
         // 2. 獲取廠商與商品（與 create 邏輯一致）
-        $vendors = Vendor::all();
+        $vendors = Vendor::select('id', 'name')->get();
         $vendorIds = $vendors->pluck('id')->toArray();
         $pivots = DB::table('product_vendor')->whereIn('vendor_id', $vendorIds)->get();
         $productIds = $pivots->pluck('product_id')->unique()->toArray();

app/Modules/Procurement/Controllers/PurchaseReturnController.php

@@ -48,7 +48,7 @@ class PurchaseReturnController extends Controller
     {
         // 取得可用的倉庫與廠商資料供前端選單使用
         $warehouses = $this->inventoryService->getAllWarehouses();
-        $vendors = Vendor::all();
+        $vendors = Vendor::select('id', 'name')->get();
 
         // 手動注入：獲取廠商商品 (與 PurchaseOrderController 邏輯一致)
         $vendorIds = $vendors->pluck('id')->toArray();
@@ -157,7 +157,7 @@ class PurchaseReturnController extends Controller
         });
 
         $warehouses = $this->inventoryService->getAllWarehouses();
-        $vendors = Vendor::all();
+        $vendors = Vendor::select('id', 'name')->get();
 
         // 手動注入：獲取廠商商品 (與 create 邏輯一致)
         $vendorIds = $vendors->pluck('id')->toArray();

database/migrations/tenant/2026_03_09_141431_add_performance_indexes_to_tenant_tables.php

@@ -0,0 +1,112 @@
+<?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
+    {
+        // 1. warehouses (倉庫)
+        Schema::table('warehouses', function (Blueprint $table) {
+            $table->index('type');
+        });
+
+        // 2. categories (分類)
+        Schema::table('categories', function (Blueprint $table) {
+            $table->index('is_active');
+        });
+
+        // 3. products (商品/原物料)
+        Schema::table('products', function (Blueprint $table) {
+            // is_active was added in a later migration, need to make sure column exists before indexing
+            // Same for brand if not added at start (but brand is in the create migration)
+            if (Schema::hasColumn('products', 'is_active')) {
+                $table->index('is_active');
+            }
+            $table->index('brand');
+        });
+
+        // 4. recipes (配方/BOM)
+        Schema::table('recipes', function (Blueprint $table) {
+            $table->index('is_active');
+        });
+
+        // 5. inventory_transactions (庫存異動紀錄)
+        Schema::table('inventory_transactions', function (Blueprint $table) {
+            $table->index('type');
+            $table->index('created_at');
+        });
+
+        // 6. purchase_orders (採購單)
+        Schema::table('purchase_orders', function (Blueprint $table) {
+            $table->index('status');
+            $table->index('expected_delivery_date');
+            $table->index('created_at');
+        });
+
+        // 7. production_orders (生產工單)
+        Schema::table('production_orders', function (Blueprint $table) {
+            $table->index('status');
+            $table->index('created_at');
+        });
+
+        // 8. sales_orders (門市/銷售單)
+        Schema::table('sales_orders', function (Blueprint $table) {
+            $table->index('status');
+            $table->index('sold_at');
+            $table->index('created_at');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('warehouses', function (Blueprint $table) {
+            $table->dropIndex(['type']);
+        });
+
+        Schema::table('categories', function (Blueprint $table) {
+            $table->dropIndex(['is_active']);
+        });
+
+        Schema::table('products', function (Blueprint $table) {
+            if (Schema::hasColumn('products', 'is_active')) {
+                $table->dropIndex(['is_active']);
+            }
+            $table->dropIndex(['brand']);
+        });
+
+        Schema::table('recipes', function (Blueprint $table) {
+            $table->dropIndex(['is_active']);
+        });
+
+        Schema::table('inventory_transactions', function (Blueprint $table) {
+            $table->dropIndex(['type']);
+            $table->dropIndex(['created_at']);
+        });
+
+        Schema::table('purchase_orders', function (Blueprint $table) {
+            $table->dropIndex(['status']);
+            $table->dropIndex(['expected_delivery_date']);
+            $table->dropIndex(['created_at']);
+        });
+
+        Schema::table('production_orders', function (Blueprint $table) {
+            $table->dropIndex(['status']);
+            $table->dropIndex(['created_at']);
+        });
+
+        Schema::table('sales_orders', function (Blueprint $table) {
+            $table->dropIndex(['status']);
+            $table->dropIndex(['sold_at']);
+            $table->dropIndex(['created_at']);
+        });
+    }
+};