feat: improve patient flow and pricing workflow

lib/features/clinic/finance/clinic_finance_repository.dart

@@ -1,5 +1,6 @@
 import 'package:pocketbase/pocketbase.dart';
 import '../../../core/api/pocketbase_client.dart';
+import '../../../core/services/finance_service.dart';
 import '../../../models/finance_entry.dart';
 
 class ClinicFinanceRepository {
@@ -40,10 +41,42 @@ class ClinicFinanceRepository {
     return {'pending': pending, 'paid': paid};
   }
 
+  Future<List<CounterpartyFinanceSummary>> byCounterparty(String tenantId) async {
+    final entries = await listEntries(tenantId, limit: 300);
+    final map = <String, CounterpartyFinanceSummary>{};
+
+    for (final entry in entries) {
+      final key = entry.counterpartyTenantId ?? entry.counterpartyName ?? 'unknown';
+      final current = map[key];
+      final pending = (current?.pendingAmount ?? 0) +
+          (entry.status == FinanceStatus.pending ? entry.amount : 0);
+      final paid = (current?.paidAmount ?? 0) +
+          (entry.status == FinanceStatus.paid ? entry.amount : 0);
+      map[key] = CounterpartyFinanceSummary(
+        counterpartyTenantId: entry.counterpartyTenantId,
+        counterpartyName: entry.counterpartyName ?? 'Karşı Taraf',
+        currency: entry.currency,
+        pendingAmount: pending,
+        paidAmount: paid,
+        entryCount: (current?.entryCount ?? 0) + 1,
+      );
+    }
+
+    final list = map.values.toList();
+    list.sort((a, b) => b.pendingAmount.compareTo(a.pendingAmount));
+    return list;
+  }
+
   Future<void> markPaid(String entryId) async {
-    await _pb.collection('finance_entries').update(entryId, body: {
-      'status': 'paid',
-      'paid_at': DateTime.now().toIso8601String(),
-    });
+    final record = await _pb.collection('finance_entries').getOne(entryId);
+    final jobId = record.data['job_id']?.toString();
+    if (jobId == null || jobId.isEmpty) {
+      await _pb.collection('finance_entries').update(entryId, body: {
+        'status': 'paid',
+        'paid_at': DateTime.now().toIso8601String(),
+      });
+      return;
+    }
+    await FinanceService.instance.markJobPaid(jobId);
   }
 }