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>

tests/Feature/Auth/RegistrationTest.php

@@ -2,6 +2,7 @@
 
 namespace Tests\Feature\Auth;
 
+use App\Http\Middleware\VerifyCsrfToken;
 use App\Providers\RouteServiceProvider;
 use Illuminate\Foundation\Testing\RefreshDatabase;
 use Tests\TestCase;
@@ -19,12 +20,13 @@ class RegistrationTest extends TestCase
 
     public function test_new_users_can_register(): void
     {
-        $response = $this->post('/register', [
-            'name' => 'Test User',
-            'email' => 'test@example.com',
-            'password' => 'password',
-            'password_confirmation' => 'password',
-        ]);
+        $response = $this->withoutMiddleware(VerifyCsrfToken::class)
+            ->post('/register', [
+                'name' => 'Test User',
+                'email' => 'test@example.com',
+                'password' => 'password',
+                'password_confirmation' => 'password',
+            ]);
 
         $this->assertAuthenticated();
         $response->assertRedirect(RouteServiceProvider::HOME);