diff --git a/tests/Feature/V2/V2InboxAfterParallelTest.php b/tests/Feature/V2/V2InboxAfterParallelTest.php
new file mode 100644
index 000000000..8c4b5db7d
--- /dev/null
+++ b/tests/Feature/V2/V2InboxAfterParallelTest.php
@@ -0,0 +1,140 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Feature\V2;
+
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Queue;
+use PHPUnit\Framework\Attributes\DataProvider;
+use Symfony\Component\Process\Process;
+use Tests\Fixtures\V2\TestInboxAfterParallelWorkflow;
+use Tests\TestCase;
+use Workflow\V2\Enums\MessageChannel;
+use Workflow\V2\Enums\TaskStatus;
+use Workflow\V2\Enums\TaskType;
+use Workflow\V2\Jobs\RunActivityTask;
+use Workflow\V2\Jobs\RunTimerTask;
+use Workflow\V2\Jobs\RunWorkflowTask;
+use Workflow\V2\Models\ActivityExecution;
+use Workflow\V2\Models\WorkflowRun;
+use Workflow\V2\Models\WorkflowTask;
+use Workflow\V2\Support\MessageService;
+use Workflow\V2\WorkflowStub;
+
+final class V2InboxAfterParallelTest extends TestCase
+{
+    #[DataProvider('executionModes')]
+    public function testPendingReceiveAfterActivitiesSurvivesColdReplay(bool $parallel, int $admission): void
+    {
+        Queue::fake();
+        config()
+            ->set('workflows.v2.task_dispatch_mode', 'poll');
+        $stub = WorkflowStub::make(
+            TestInboxAfterParallelWorkflow::class,
+            ($parallel ? 'after-all-' : 'after-sequential-') . $admission
+        );
+        $stub->start($parallel);
+        $this->drain();
+        $run = WorkflowRun::query()->findOrFail($stub->runId());
+        $send = static fn () => (new MessageService())->sendMessage(
+            $run,
+            MessageChannel::WorkflowMessage,
+            $run->workflow_instance_id,
+            'j1',
+            'chat'
+        );
+        if ($admission === 0) {
+            $send();
+        }
+        $stub->signal('go');
+        if ($admission === 2) {
+            for ($turn = 0; $turn < 20; $turn++) {
+                if (ActivityExecution::query()->where('workflow_run_id', $run->id)->where(
+                    'status',
+                    'completed'
+                )->count() === 2) {
+                    break;
+                }
+                self::assertTrue($this->runNextTask(), 'Two real activities must complete before admission.');
+            }
+        }
+        if ($admission !== 0) {
+            $send();
+        }
+        $this->drain();
+        self::assertSame(
+            2,
+            ActivityExecution::query()->where('workflow_run_id', $run->id)->where('status', 'completed')->count()
+        );
+        $first = $stub->refresh()
+            ->query('received');
+        $before = $this->rows();
+        $reader = new Process([PHP_BINARY, __DIR__ . '/../../Fixtures/V2/inbox_after_parallel_cold_read.php'], dirname(
+            __DIR__,
+            3
+        ), [
+            'INBOX_PARALLEL_RUN_ID' => $run->id,
+        ]);
+        $reader->setTimeout(30);
+        $reader->mustRun();
+        $cold = json_decode($reader->getOutput(), true, 512, JSON_THROW_ON_ERROR)['received'];
+        self::assertSame($before, $this->rows(), 'A fresh-process query cannot change any durable row.');
+        $stub->signal('done');
+        $this->drain();
+        self::assertTrue($stub->refresh()->completed());
+        self::assertSame(['Hello, first!', 'Hello, second!'], $stub->output()['activities']);
+        self::assertSame(['j1', 'j1', 'j1'], [$first, $cold, $stub->output()['received']]);
+    }
+
+    public static function executionModes(): iterable
+    {
+        foreach ([
+            0 => 'before signal',
+            1 => 'before activities',
+            2 => 'after activities',
+        ] as $admission => $name) {
+            yield 'sequential ' . $name => [false, $admission];
+            yield 'parallel ' . $name => [true, $admission];
+        }
+    }
+
+    private function drain(): void
+    {
+        for ($turn = 0; $turn < 50; $turn++) {
+            if (! $this->runNextTask()) {
+                return;
+            }
+        }
+        self::fail('The bounded source fixture did not reach a wait.');
+    }
+
+    private function runNextTask(): bool
+    {
+        $task = WorkflowTask::query()->where('status', TaskStatus::Ready->value)->orderBy('created_at')->first();
+        if ($task === null || ($task->available_at !== null && $task->available_at->isFuture())) {
+            return false;
+        }
+        $job = match ($task->task_type) {
+            TaskType::Workflow => new RunWorkflowTask($task->id),
+            TaskType::Activity => new RunActivityTask($task->id),
+            TaskType::Timer => new RunTimerTask($task->id),
+        };
+        $this->app->call([$job, 'handle']);
+        return true;
+    }
+
+    private function rows(): array
+    {
+        $rows = [];
+        foreach (DB::getSchemaBuilder()->getTableListing() as $table) {
+            $values = DB::table($table)->get()->map(
+                static fn ($row): string => json_encode($row, JSON_THROW_ON_ERROR)
+            )->all();
+            sort($values);
+            $rows[$table] = $values;
+        }
+        ksort($rows);
+        return $rows;
+    }
+}
diff --git a/tests/Fixtures/V2/TestInboxAfterParallelWorkflow.php b/tests/Fixtures/V2/TestInboxAfterParallelWorkflow.php
new file mode 100644
index 000000000..a4a7e8cf5
--- /dev/null
+++ b/tests/Fixtures/V2/TestInboxAfterParallelWorkflow.php
@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Fixtures\V2;
+
+use Workflow\QueryMethod;
+use function Workflow\V2\activity;
+use function Workflow\V2\all;
+use Workflow\V2\Attributes\Signal;
+use Workflow\V2\Attributes\Type;
+use function Workflow\V2\await;
+use Workflow\V2\Workflow;
+
+#[Type('test-inbox-after-parallel-workflow')]
+#[Signal('go')]
+#[Signal('done')]
+final class TestInboxAfterParallelWorkflow extends Workflow
+{
+    private ?string $received = null;
+
+    public function handle(bool $parallel): array
+    {
+        await('go');
+        if ($parallel) {
+            $results = all([
+                static fn () => activity(TestGreetingActivity::class, 'first'),
+                static fn () => activity(TestGreetingActivity::class, 'second'),
+            ]);
+        } else {
+            $results = [
+                activity(TestGreetingActivity::class, 'first'),
+                activity(TestGreetingActivity::class, 'second'),
+            ];
+        }
+        $this->received = $this->inbox('chat')
+            ->receiveOne()?->payload_reference;
+        await('done');
+
+        return [
+            'activities' => $results,
+            'received' => $this->received,
+        ];
+    }
+
+    #[QueryMethod]
+    public function received(): ?string
+    {
+        return $this->received;
+    }
+}
diff --git a/tests/Fixtures/V2/inbox_after_parallel_cold_read.php b/tests/Fixtures/V2/inbox_after_parallel_cold_read.php
new file mode 100644
index 000000000..0489dfb7a
--- /dev/null
+++ b/tests/Fixtures/V2/inbox_after_parallel_cold_read.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+if (realpath((string) ($_SERVER['SCRIPT_FILENAME'] ?? '')) !== __FILE__) {
+    return;
+}
+
+require dirname(__DIR__, 3) . '/vendor/autoload.php';
+
+$app = \Orchestra\Testbench\Foundation\Application::create(options: [
+    'load_environment_variables' => false,
+    'extra' => [
+        'providers' => [\Workflow\Providers\WorkflowServiceProvider::class],
+    ],
+]);
+$app->make(\Illuminate\Contracts\Console\Kernel::class)->bootstrap();
+try {
+    $result = \Workflow\V2\WorkflowStub::loadRun((string) getenv('INBOX_PARALLEL_RUN_ID'))->query('received');
+    echo json_encode([
+        'received' => $result,
+    ], JSON_THROW_ON_ERROR);
+} finally {
+    $app->make('db')
+        ->purge();
+}