Update lot features

walkguide-backend/demo/src/main/java/com/walkguide/controller/CallController.java

@@ -108,7 +108,11 @@ public class CallController {
         Long callerId = SecurityHelper.getCurrentUserId();
         Long otherId = Long.parseLong(body.get("otherId"));
         String channelName = body.get("channelName");
-        callNotificationService.notifyCallEnded(callerId, otherId, channelName);
+        if (channelName == null || channelName.isBlank()) {
+            callNotificationService.notifyCallEnded(callerId, otherId);
+        } else {
+            callNotificationService.notifyCallEnded(callerId, otherId, channelName);
+        }
         return ResponseEntity.ok(ApiResponse.ok(null, "Call ended"));
     }
-}
+}

walkguide-backend/demo/src/main/java/com/walkguide/dto/request/CallNotifyRequest.java

@@ -24,6 +24,8 @@ public class CallNotifyRequest {
     /** Token Agora untuk receiver — dikirim lewat FCM payload */
     private String agoraToken;
 
+    private String agoraAppId;
+
     /** UID Agora untuk receiver */
     private int receiverUid;
 }

walkguide-backend/demo/src/main/java/com/walkguide/service/CallNotificationService.java

@@ -40,6 +40,7 @@ public class CallNotificationService {
         payload.put("callerName", callerName);
         payload.put("channelName", req.getChannelName());
         payload.put("agoraToken", req.getAgoraToken() != null ? req.getAgoraToken() : "");
+        payload.put("agoraAppId", req.getAgoraAppId() != null ? req.getAgoraAppId() : "");
         payload.put("receiverUid", String.valueOf(req.getReceiverUid()));
 
         pendingCalls.put(receiver.getId(), payload);
@@ -171,4 +172,4 @@ public class CallNotificationService {
                 .findFirst()
                 .orElse(null);
     }
-}
+}