Add membership fee system with disability discount and fix document permissions

Features:
- Implement two fee types: entrance fee and annual fee (both NT$1,000)
- Add 50% discount for disability certificate holders
- Add disability certificate upload in member profile
- Integrate disability verification into cashier approval workflow
- Add membership fee settings in system admin

Document permissions:
- Fix hard-coded role logic in Document model
- Use permission-based authorization instead of role checks

Additional features:
- Add announcements, general ledger, and trial balance modules
- Add income management and accounting entries
- Add comprehensive test suite with factories
- Update UI translations to Traditional Chinese

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/Http/Controllers/AdminDashboardController.php

@@ -5,6 +5,7 @@ namespace App\Http\Controllers;
 use App\Models\Member;
 use App\Models\MembershipPayment;
 use App\Models\FinanceDocument;
+use App\Models\Announcement;
 use Illuminate\Http\Request;
 
 class AdminDashboardController extends Controller
@@ -47,16 +48,26 @@ class AdminDashboardController extends Controller
         // Documents pending user's approval
         $user = auth()->user();
         $myPendingApprovals = 0;
-        if ($user->hasRole('cashier')) {
+        if ($user->hasRole('finance_cashier')) {
             $myPendingApprovals += FinanceDocument::where('status', FinanceDocument::STATUS_PENDING)->count();
         }
-        if ($user->hasRole('accountant')) {
+        if ($user->hasRole('finance_accountant')) {
             $myPendingApprovals += FinanceDocument::where('status', FinanceDocument::STATUS_APPROVED_CASHIER)->count();
         }
-        if ($user->hasRole('chair')) {
+        if ($user->hasRole('finance_chair')) {
             $myPendingApprovals += FinanceDocument::where('status', FinanceDocument::STATUS_APPROVED_ACCOUNTANT)->count();
         }
 
+        // Recent announcements
+        $recentAnnouncements = Announcement::query()
+            ->published()
+            ->active()
+            ->forAccessLevel($user)
+            ->orderByDesc('is_pinned')
+            ->orderByDesc('published_at')
+            ->limit(5)
+            ->get();
+
         return view('admin.dashboard.index', compact(
             'totalMembers',
             'activeMembers',
@@ -70,7 +81,8 @@ class AdminDashboardController extends Controller
             'pendingApprovals',
             'fullyApprovedDocs',
             'rejectedDocs',
-            'myPendingApprovals'
+            'myPendingApprovals',
+            'recentAnnouncements'
         ));
     }
 }