feat: 修正庫存與撥補單邏輯並整合文件

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

app/Modules/Finance/Controllers/UtilityFeeController.php

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