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>

resources/views/profile/partials/update-password-form.blade.php

@@ -1,10 +1,10 @@
 <section>
     <header>
-        <h2 class="text-lg font-medium text-gray-900">
+        <h2 class="text-lg font-medium text-gray-900 dark:text-gray-100">
             {{ __('Update Password') }}
         </h2>
 
-        <p class="mt-1 text-sm text-gray-600">
+        <p class="mt-1 text-sm text-gray-600 dark:text-gray-400">
             {{ __('Ensure your account is using a long, random password to stay secure.') }}
         </p>
     </header>
@@ -40,7 +40,7 @@
                     x-show="show"
                     x-transition
                     x-init="setTimeout(() => show = false, 2000)"
-                    class="text-sm text-gray-600"
+                    class="text-sm text-gray-600 dark:text-gray-400"
                 >{{ __('Saved.') }}</p>
             @endif
         </div>