feat(core): harden sessions settlement and credit activity

tests/Feature/DrawResultsApiTest.php

@@ -1,8 +1,8 @@
 <?php
 
 use App\Models\Draw;
-use App\Models\BetProvider;
 use App\Lottery\DrawStatus;
+use App\Models\BetProvider;
 use App\Models\DrawResultItem;
 use App\Models\DrawResultBatch;
 use App\Lottery\DrawResultBatchStatus;
@@ -134,6 +134,29 @@ test('draw result show includes neighbor draw numbers', function (): void {
         ->assertJsonPath('data.next_draw_no', '20260509-102');
 });
 
+test('draw result show accepts sequence numbers longer than three digits', function (): void {
+    seedMinimalPublishedDraw([
+        'draw_no' => '20260509-1001',
+        'business_date' => '2026-05-09',
+        'sequence_no' => 1001,
+        'status' => DrawStatus::Settled->value,
+        'start_time' => now()->subHour(),
+        'close_time' => now()->subMinutes(45),
+        'draw_time' => now()->subMinutes(30),
+        'cooling_end_time' => null,
+        'result_source' => 'rng',
+        'current_result_version' => 1,
+        'settle_version' => 1,
+        'is_reopened' => false,
+    ], '4');
+
+    $this->getJson('/api/v1/draw/results/20260509-1001')
+        ->assertOk()
+        ->assertJsonPath('code', 0)
+        ->assertJsonPath('data.draw_no', '20260509-1001')
+        ->assertJsonPath('data.results.1st', '4444');
+});
+
 test('draw results include all published provider batches for the same draw', function (): void {
     BetProvider::query()->updateOrCreate(['code' => 'SG'], ['name' => 'Singapore', 'is_enabled' => true, 'sort_order' => 10]);
     BetProvider::query()->updateOrCreate(['code' => 'MY'], ['name' => 'Malaysia', 'is_enabled' => true, 'sort_order' => 20]);