Add pricing entry flow and platform admin foundations

lib/features/clinic/connections/clinic_connections_repository.dart

@@ -1,6 +1,7 @@
 import 'package:pocketbase/pocketbase.dart';
 import '../../../core/api/pocketbase_client.dart';
 import '../../../models/connection.dart';
+import '../../../models/tenant.dart';
 
 class ClinicConnectionsRepository {
   ClinicConnectionsRepository._();
@@ -10,10 +11,10 @@ class ClinicConnectionsRepository {
 
   Future<List<Connection>> listConnections(String clinicTenantId) async {
     final result = await _pb.collection('connections').getList(
-      filter: 'clinic_tenant_id = "$clinicTenantId"',
-      expand: 'lab_tenant_id,clinic_tenant_id',
-      perPage: 100,
-    );
+          filter: 'clinic_tenant_id = "$clinicTenantId"',
+          expand: 'lab_tenant_id,clinic_tenant_id',
+          perPage: 100,
+        );
     return (result.items.map((r) => Connection.fromJson(r.toJson())).toList()
       ..sort((a, b) => (b.dateCreated ?? '').compareTo(a.dateCreated ?? '')));
   }
@@ -30,11 +31,26 @@ class ClinicConnectionsRepository {
     return Connection.fromJson(record.toJson());
   }
 
-  Future<List<Map<String, dynamic>>> searchLabs(String query) async {
+  Future<List<Tenant>> searchLabs({
+    String query = '',
+    String? city,
+  }) async {
+    final normalizedQuery = query.trim().replaceAll('"', '\\"');
+    final normalizedCity = (city ?? '').trim().replaceAll('"', '\\"');
+
+    final filterParts = ['kind = "lab"'];
+    if (normalizedQuery.isNotEmpty) {
+      filterParts.add(
+        '(company_name ~ "$normalizedQuery" || city ~ "$normalizedQuery" || district ~ "$normalizedQuery")',
+      );
+    } else if (normalizedCity.isNotEmpty) {
+      filterParts.add('city = "$normalizedCity"');
+    }
+
     final result = await _pb.collection('tenants').getList(
-      filter: 'kind = "lab" && company_name ~ "$query"',
-      perPage: 20,
-    );
-    return result.items.map((r) => r.toJson()).toList();
+          filter: filterParts.join(' && '),
+          perPage: 100,
+        );
+    return result.items.map((r) => Tenant.fromJson(r.toJson())).toList();
   }
 }