Notification: drop duplicate system No/Yes on delete-confirm card

- buildConfirm had card buttons + addAction row: shade showed
  green No/Yes plus black-text No/Yes pair (seen 2026-09-15)
- Keep only the card buttons; no system actions on any recording card
- Test now asserts zero system actions

android/app/src/main/java/com/shonar/recording/RecordingNotificationHelper.kt

@@ -226,14 +226,10 @@ object RecordingNotificationHelper {
             .setCustomBigContentView(card)
             .setStyle(NotificationCompat.DecoratedCustomViewStyle())
             .setPriority(NotificationCompat.PRIORITY_HIGH)
-            .addAction(
-                R.drawable.ic_notif_close, "No",
-                svcIntent(ctx, RecordingService.ACTION_DISCARD_CANCEL, 43),
-            )
-            .addAction(
-                R.drawable.ic_notif_check, "Yes",
-                svcIntent(ctx, RecordingService.ACTION_CANCEL, 44),
-            )
+            // No system actions here: the card's own No/Yes are the controls;
+            // system action rows render a second black-text No/Yes pair
+            // under the card (seen on-device 2026-09-15). Surfaces that
+            // can't show custom views get title/text + tap-to-open.
             .build()
     }
 

android/app/src/test/java/com/shonar/recording/RecordingNotificationLayoutTest.kt

@@ -117,13 +117,14 @@ class RecordingNotificationLayoutTest {
     }
 
     @Test fun ongoingCard_hasNoSystemActionRow() {
-        // The expanded card's X/pause/check pills are the controls; system
-        // addAction() rows would duplicate them under the card. Only the
-        // confirm-delete card (No/Yes) may add actions.
+        // The expanded card's X/pause/check pills are the controls, and the
+        // confirm-delete card's No/Yes are its controls; system action rows
+        // would duplicate them under the card (seen on-device 2026-09-15:
+        // black-text No/Yes pair under the green card pair).
         val src = helperSource()
         assertTrue(
-            "ongoing card must not add system actions (only confirm-delete's No/Yes)",
-            src.split(".addAction(").size - 1 == 2,
+            "no card may add system actions (they duplicate the card buttons)",
+            ".addAction(" !in src,
         )
     }