fix: health check repairs dropped monitors even when pineapd is healthy

wifi reloads during attack deploy/stop drop the monitor interfaces and
pineapd only recovers its primary; the monitor now brings both up
whenever it finds them down, with or without a pineapd failure.

tests/test_health.py

@@ -59,6 +59,14 @@ class HealthCheckTest(unittest.TestCase):
         self.assertEqual([r[0] for r in self.runs], [['pidof', 'pineapd']],
                          'health check must not write to the pineapd socket')
 
+    def test_pineap_up_repairs_dropped_monitors(self):
+        self.iface_up = {'wlan0mon': False, 'wlan1mon': True}
+        result = server.health_check()
+        self.assertTrue(result['pineap_up'])
+        self.assertEqual(result['last_action'], 'monitor interfaces brought up')
+        self.assertIn(['ip', 'link', 'set', 'wlan0mon', 'up'], [r[0] for r in self.runs])
+        self.assertEqual(result['monitor_fixes'], 1)
+
     def test_down_with_growing_sigsegv_disables_pool(self):
         self.ping_ok = False
         self.sigsegs = 5