feat: add Shift Planning module with full CRUD, attendance, and reporting

- Add shifts, shift_staff, and shift_attendance migrations
- Add Shift, ShiftStaff, ShiftAttendance Eloquent models with auditing
- Add ShiftService with business logic (create, start, complete, assign staff, mark attendance, reports, timesheets)
- Add ShiftResource with list, create, edit, and attendance management pages
- Add staff and attendance relation managers
- Add standalone pages: ActiveShifts, StaffManagement, ShiftReports, Timesheets
- Add dashboard widgets: ShiftOverview stats, TodaysShifts table
- Add ShiftPolicy for role-based authorization
- Add 10 shift permissions and manager role to RolePermissionSeeder
- Update User model with shift relationships
- Fix audits table migration with required columns for owen-it/laravel-auditing
- Update DatabaseSeeder to create admin user and call RolePermissionSeeder
- Switch docker-compose to MariaDB 10.11 for Docker Desktop compatibility

src/database/seeders/RolePermissionSeeder.php

@@ -19,6 +19,17 @@ public function run(): void
             'users.edit',
             'users.delete',
             'settings.manage',
+            // Shift Management
+            'shifts.view',
+            'shifts.create',
+            'shifts.edit',
+            'shifts.delete',
+            'shifts.start',
+            'shifts.complete',
+            'shifts.manage_roster',
+            'shifts.mark_attendance',
+            'shifts.view_reports',
+            'shifts.generate_timesheets',
         ];
 
         foreach ($permissions as $permission) {
@@ -34,6 +45,21 @@ public function run(): void
         $viewerRole = Role::create(['name' => 'viewer']);
         $viewerRole->givePermissionTo(['users.view']);
 
+        $managerRole = Role::create(['name' => 'manager']);
+        $managerRole->givePermissionTo([
+            'users.view',
+            'shifts.view',
+            'shifts.create',
+            'shifts.edit',
+            'shifts.delete',
+            'shifts.start',
+            'shifts.complete',
+            'shifts.manage_roster',
+            'shifts.mark_attendance',
+            'shifts.view_reports',
+            'shifts.generate_timesheets',
+        ]);
+
         $admin = User::where('email', 'admin@example.com')->first();
         if ($admin) {
             $admin->assignRole('admin');