Add payment status column to group participants list

Shows "مدفوع" (green) or "لم يدفع" (red) per participant.
Row is highlighted red if participant has unpaid/overdue invoices
or their enrollment billing date is past without payment.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/Livewire/Groups/GroupShow.php

@@ -4,6 +4,9 @@
 
 use App\Domain\Attendance\Enums\AttendanceStatus;
 use App\Domain\Attendance\Models\AttendanceRecord;
+use App\Domain\Financial\Enums\InvoiceStatus;
+use App\Domain\Financial\Models\Invoice;
+use App\Domain\Participant\Models\Participant;
 use App\Domain\Scheduling\Models\Assignment;
 use App\Domain\Training\Enums\SessionStatus;
 use App\Domain\Training\Models\Enrollment;
@@ -94,6 +97,28 @@ public function render()
             ->orderBy('enrollment_date')
             ->get();
 
+        // Payment status per participant: has unpaid/overdue invoices this month?
+        $participantIds = $activeEnrollments->pluck('participant_id')->toArray();
+        $unpaidParticipantIds = [];
+        if ($participantIds) {
+            $unpaidParticipantIds = Invoice::where('billable_type', Participant::class)
+                ->whereIn('billable_id', $participantIds)
+                ->whereIn('status', [InvoiceStatus::Sent, InvoiceStatus::Overdue, InvoiceStatus::PartiallyPaid])
+                ->where('due_amount', '>', 0)
+                ->whereNull('deleted_at')
+                ->pluck('billable_id')
+                ->unique()
+                ->toArray();
+        }
+
+        // Also flag enrollments where next_billing_date is past and payment_status != paid
+        $overdueEnrollmentParticipantIds = $activeEnrollments
+            ->filter(fn ($e) => $e->next_billing_date && $e->next_billing_date->isPast() && ($e->payment_status?->value ?? $e->payment_status) !== 'paid')
+            ->pluck('participant_id')
+            ->toArray();
+
+        $notPaidParticipantIds = array_unique(array_merge($unpaidParticipantIds, $overdueEnrollmentParticipantIds));
+
         // All enrollments count (any status)
         $totalEnrollments = Enrollment::where('training_group_id', $this->group->id)
             ->whereNotIn('status', ['cancelled'])
@@ -180,6 +205,7 @@ public function render()
 
         return view('livewire.groups.group-show', [
             'activeEnrollments' => $activeEnrollments,
+            'notPaidParticipantIds' => $notPaidParticipantIds,
             'totalEnrollments' => $totalEnrollments,
             'recentSessions' => $recentSessions,
             'upcomingSessions' => $upcomingSessions,

resources/views/livewire/groups/group-show.blade.php

@@ -394,13 +394,15 @@ class="px-4 py-2 bg-indigo-600 text-white rounded-lg hover:bg-indigo-700 text-sm
                             <tr>
                                 <th class="px-4 py-3 text-start font-medium text-gray-600">{{ __('المشترك') }}</th>
                                 <th class="px-4 py-3 text-start font-medium text-gray-600">{{ __('تاريخ التسجيل') }}</th>
+                                <th class="px-4 py-3 text-center font-medium text-gray-600">{{ __('الدفع') }}</th>
                                 <th class="px-4 py-3 text-center font-medium text-gray-600">{{ __('الحالة') }}</th>
                                 <th class="px-4 py-3 text-center font-medium text-gray-600">{{ __('نسبة الحضور') }}</th>
                             </tr>
                         </thead>
                         <tbody class="divide-y divide-gray-100">
                             @foreach($activeEnrollments as $enrollment)
-                            <tr class="hover:bg-gray-50 transition">
+                            @php $isUnpaid = in_array($enrollment->participant_id, $notPaidParticipantIds); @endphp
+                            <tr class="{{ $isUnpaid ? 'bg-red-50 hover:bg-red-100' : 'hover:bg-gray-50' }} transition">
                                 <td class="px-4 py-3">
                                     <div class="flex items-center gap-3">
                                         <div class="w-8 h-8 rounded-full bg-blue-100 flex items-center justify-center flex-shrink-0">
@@ -428,6 +430,17 @@ class="text-sm font-medium text-blue-600 hover:text-blue-800 hover:underline">
                                 <td class="px-4 py-3 text-gray-600" dir="ltr">
                                     {{ $enrollment->enrollment_date?->format('Y-m-d') ?? '—' }}
                                 </td>
+                                <td class="px-4 py-3 text-center">
+                                    @if($isUnpaid)
+                                        <span class="px-2 py-0.5 text-xs bg-red-100 text-red-700 font-bold rounded-full">
+                                            {{ __('لم يدفع') }}
+                                        </span>
+                                    @else
+                                        <span class="px-2 py-0.5 text-xs bg-green-100 text-green-700 rounded-full">
+                                            {{ __('مدفوع') }}
+                                        </span>
+                                    @endif
+                                </td>
                                 <td class="px-4 py-3 text-center">
                                     <span class="px-2 py-0.5 text-xs bg-green-100 text-green-700 rounded-full">
                                         {{ __('نشط') }}