diff --git a/app/Console/Commands/WgSample.php b/app/Console/Commands/WgSample.php
new file mode 100644
index 0000000..ee6b696
--- /dev/null
+++ b/app/Console/Commands/WgSample.php
@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Models\WgTrafficSample;
+use App\Services\WgStatus;
+use Illuminate\Console\Command;
+
+class WgSample extends Command
+{
+    protected $signature = 'clusev:wg-sample {--retention=7 : Days of history to keep}';
+
+    protected $description = 'Persist a WireGuard traffic sample per peer (and prune old samples)';
+
+    public function handle(WgStatus $wg): int
+    {
+        $status = $wg->read();
+
+        if (($status['configured'] ?? false) && ! ($status['stale'] ?? true)) {
+            $now = now();
+            $rows = [];
+            foreach ($status['peers'] ?? [] as $peer) {
+                $rows[] = [
+                    'peer_pubkey' => (string) ($peer['pubkey'] ?? ''),
+                    'peer_name' => ($peer['name'] ?? '') !== '' ? (string) $peer['name'] : null,
+                    'rx' => (int) ($peer['rx'] ?? 0),
+                    'tx' => (int) ($peer['tx'] ?? 0),
+                    'sampled_at' => $now,
+                ];
+            }
+            if ($rows !== []) {
+                WgTrafficSample::insert($rows);
+            }
+        }
+
+        $retention = max(1, (int) $this->option('retention'));
+        WgTrafficSample::where('sampled_at', '<', now()->subDays($retention))->delete();
+
+        return self::SUCCESS;
+    }
+}
diff --git a/routes/console.php b/routes/console.php
index 1122c93..8e1d432 100644
--- a/routes/console.php
+++ b/routes/console.php
@@ -12,3 +12,6 @@ Artisan::command('inspire', function () {
 // `audit_retention_days` is empty/0 (keep forever); otherwise it deletes
 // audit_events older than the configured number of days.
 Schedule::command('clusev:prune-audit')->daily();
+
+// Sample WireGuard peer traffic every minute (no-op when the collector is unconfigured/stale).
+Schedule::command('clusev:wg-sample')->everyMinute();
diff --git a/tests/Feature/WgSampleCommandTest.php b/tests/Feature/WgSampleCommandTest.php
new file mode 100644
index 0000000..d44cee4
--- /dev/null
+++ b/tests/Feature/WgSampleCommandTest.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\WgTrafficSample;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class WgSampleCommandTest extends TestCase
+{
+    use RefreshDatabase;
+
+    private string $file;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $dir = storage_path('app/restart-signal');
+        @mkdir($dir, 0775, true);
+        $this->file = $dir.'/wg-status.json';
+        @unlink($this->file);
+    }
+
+    protected function tearDown(): void
+    {
+        @unlink($this->file);
+        parent::tearDown();
+    }
+
+    private function writeStatus(array $peers, bool $configured = true): void
+    {
+        file_put_contents($this->file, json_encode([
+            'at' => time(), 'configured' => $configured,
+            'gate' => ['marker' => false, 'chain' => false], 'wg_quick' => 'active',
+            'server' => ['subnet' => '10.99.0.0/24', 'server_ip' => '10.99.0.1', 'port' => 51820, 'endpoint' => 'x:1', 'pubkey' => 'k'],
+            'peers' => $peers,
+        ]));
+    }
+
+    public function test_stores_one_row_per_peer_when_configured(): void
+    {
+        $this->writeStatus([
+            ['name' => 'laptop', 'pubkey' => 'p1', 'endpoint' => '', 'latest_handshake' => time(), 'rx' => 100, 'tx' => 200],
+            ['name' => 'phone', 'pubkey' => 'p2', 'endpoint' => '', 'latest_handshake' => time(), 'rx' => 5, 'tx' => 6],
+        ]);
+
+        $this->artisan('clusev:wg-sample')->assertExitCode(0);
+
+        $this->assertSame(2, WgTrafficSample::count());
+        $this->assertDatabaseHas('wg_traffic_samples', ['peer_pubkey' => 'p1', 'rx' => 100, 'tx' => 200]);
+    }
+
+    public function test_does_nothing_when_unconfigured_or_stale(): void
+    {
+        @unlink($this->file);
+        $this->artisan('clusev:wg-sample')->assertExitCode(0);
+        $this->assertSame(0, WgTrafficSample::count());
+    }
+
+    public function test_prunes_samples_older_than_retention(): void
+    {
+        WgTrafficSample::create(['peer_pubkey' => 'old', 'peer_name' => 'x', 'rx' => 1, 'tx' => 1, 'sampled_at' => now()->subDays(8)]);
+        $this->writeStatus([['name' => 'a', 'pubkey' => 'p1', 'endpoint' => '', 'latest_handshake' => time(), 'rx' => 1, 'tx' => 1]]);
+
+        $this->artisan('clusev:wg-sample')->assertExitCode(0);
+
+        $this->assertDatabaseMissing('wg_traffic_samples', ['peer_pubkey' => 'old']);
+        $this->assertDatabaseHas('wg_traffic_samples', ['peer_pubkey' => 'p1']);
+    }
+}