fix(engine): reset step timer on retry so timed-out steps recover

A retried step (manual or after a timeout) now gets a fresh started_at, so
RunRunner no longer immediately re-detects the timeout and burns the retry
budget without executing.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

app/Livewire/Admin/HostDetail.php

@@ -36,6 +36,7 @@ class HostDetail extends Component
                 'status' => ProvisioningRun::STATUS_RUNNING,
                 'attempt' => 0,
                 'next_attempt_at' => now(),
+                'started_at' => now(), // reset the step timer so it doesn't re-time-out instantly
                 'error' => null,
             ]);
             $this->host->update(['status' => 'onboarding']);

app/Provisioning/RunRunner.php

@@ -114,6 +114,7 @@ class RunRunner
 
         $run->status = ProvisioningRun::STATUS_WAITING;
         $run->next_attempt_at = now()->addSeconds($result->afterSeconds);
+        $run->started_at = now(); // fresh per-attempt timer, else a timed-out step re-times-out
         $run->save();
         $this->record($run, $step, 'retry', $result->reason);
     }
@@ -123,6 +124,7 @@ class RunRunner
     {
         $run->status = ProvisioningRun::STATUS_WAITING;
         $run->next_attempt_at = now()->addSeconds($result->afterSeconds);
+        $run->started_at = now();
         $run->save();
         $this->record($run, $step, 'info', $result->reason);
     }

tests/Feature/Admin/HostManagementTest.php

@@ -73,6 +73,7 @@ it('retries a failed run from the detail page', function () {
     $host = Host::factory()->create(['status' => 'error']);
     $run = ProvisioningRun::factory()->forHost($host)->create([
         'status' => 'failed', 'current_step' => 3, 'error' => 'boom',
+        'started_at' => now()->subHour(),
     ]);
 
     Livewire::actingAs(admin())->test(HostDetail::class, ['host' => $host])->call('retry');
@@ -80,6 +81,7 @@ it('retries a failed run from the detail page', function () {
     $run->refresh();
     expect($run->status)->toBe('running')
         ->and($run->error)->toBeNull()
+        ->and($run->started_at->greaterThan(now()->subMinute()))->toBeTrue()
         ->and($host->fresh()->status)->toBe('onboarding');
     Queue::assertPushed(AdvanceRunJob::class);
 });

tests/Feature/Provisioning/RunRunnerTest.php

@@ -130,6 +130,20 @@ it('retries when a step exceeds its max duration', function () {
         ->and($run->events()->where('message', 'like', '%timed out%')->exists())->toBeTrue();
 });
 
+it('re-executes a step after a timeout retry instead of timing out again', function () {
+    bindPipeline(['test' => [FakeAdvanceStep::class]]);
+    $run = ProvisioningRun::factory()->create([
+        'pipeline' => 'test', 'status' => 'running',
+        'started_at' => now()->subMinutes(10), 'max_attempts' => 5,
+    ]);
+
+    app(RunRunner::class)->advance($run);          // times out -> retry (timer reset)
+    expect($run->fresh()->status)->toBe('waiting');
+
+    app(RunRunner::class)->advance($run->fresh()); // now actually executes -> completes
+    expect($run->fresh()->status)->toBe('completed');
+});
+
 it('is a no-op while the run lock is held', function () {
     bindPipeline(['test' => [FakeAdvanceStep::class, FakeAdvanceStep::class]]);
     $run = ProvisioningRun::factory()->create(['pipeline' => 'test', 'current_step' => 0]);