Add viewer access to records and restrict activity log

- canView() + canViewAny() in EnforcesRoles: all SMS roles can view
- View pages for all 7 resources so viewers can open records read-only
- Custom ActivityResource restricts activity log to admin + manager only

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/Filament/User/Resources/ActivityResource.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace App\Filament\User\Resources;
+
+class ActivityResource extends \Z3d0X\FilamentLogger\Resources\ActivityResource
+{
+    public static function canViewAny(): bool
+    {
+        return auth()->user()?->hasAnyRole(['sms-admin', 'sms-manager']) ?? false;
+    }
+}