Fix flacky BLE connection to swift pannels

crates/ble/src/click.rs

@@ -464,6 +464,11 @@ impl Actor {
                 continue;
             }
 
+            // Said out loud: a rider reporting that a pod "keeps dropping" needs
+            // the log to show whether the radio link actually ended, and this is
+            // the moment it did. The stream ending is BlueZ's only notice.
+            tracing::warn!(address = %self.selector.describe(), "click: notification stream ended — link dropped");
+
             // Release anything still held, so a paddle held through a dropout
             // cannot latch (see ButtonTracker::reset).
             self.release_held();