diff --git a/backend/src/sockets/index.js b/backend/src/sockets/index.js
index 1eb4d4c..c5a9242 100644
--- a/backend/src/sockets/index.js
+++ b/backend/src/sockets/index.js
@@ -69,20 +69,24 @@ export function getIO() {
 export const socketEvents = {
   // Emit to specific user
   emitToUser(userId, event, data) {
+    console.log(`🔔 Emitting ${event} to user:${userId}`);
     io.to(`user:${userId}`).emit(event, data);
   },
 
   // Emit to all users in a challenge
   emitToChallenge(challengeId, event, data) {
+    console.log(`🔔 Emitting ${event} to challenge:${challengeId}`);
     io.to(`challenge:${challengeId}`).emit(event, data);
   },
 
   // Prediction events
   predictionCreated(challengeId, prediction) {
+    console.log(`📤 Emitting prediction:created for challenge ${challengeId}`, prediction);
     this.emitToChallenge(challengeId, 'prediction:created', prediction);
   },
 
   predictionValidated(challengeId, prediction) {
+    console.log(`📤 Emitting prediction:validated for challenge ${challengeId}`, prediction);
     this.emitToChallenge(challengeId, 'prediction:validated', prediction);
   },
 
diff --git a/frontend/src/pages/ChallengeDetail.jsx b/frontend/src/pages/ChallengeDetail.jsx
index 9f60253..5c965ec 100644
--- a/frontend/src/pages/ChallengeDetail.jsx
+++ b/frontend/src/pages/ChallengeDetail.jsx
@@ -47,11 +47,23 @@ export default function ChallengeDetail() {
     if (!socket) return;
 
     const handlePredictionCreated = (prediction) => {
-      setPredictions(prev => [prediction, ...prev]);
-      toast.success(`New prediction from ${prediction.username}`);
+      console.log('📥 Received prediction:created event', prediction);
+      setPredictions(prev => {
+        // Avoid duplicates
+        if (prev.some(p => p.id === prediction.id)) {
+          return prev;
+        }
+        return [prediction, ...prev];
+      });
+      
+      // Don't show toast for your own predictions
+      if (prediction.user_id !== user.id) {
+        toast.success(`New prediction from ${prediction.username}`);
+      }
     };
 
     const handlePredictionValidated = (prediction) => {
+      console.log('📥 Received prediction:validated event', prediction);
       setPredictions(prev => 
         prev.map(p => p.id === prediction.id ? prediction : p)
       );
@@ -63,10 +75,13 @@ export default function ChallengeDetail() {
             ? '🎉 Your prediction was validated!' 
             : '❌ Your prediction was invalidated'
         );
+      } else {
+        toast(`${prediction.username}'s prediction ${prediction.status}`);
       }
     };
 
     const handleInvitationResponse = (response) => {
+      console.log('📥 Received invitation response', response);
       if (response.status === 'accepted') {
         toast.success(`${response.username} joined the challenge!`);
         loadChallenge(); // Refresh participant list
@@ -82,7 +97,7 @@ export default function ChallengeDetail() {
       socket.off('prediction:validated', handlePredictionValidated);
       socket.off('challenge:invitation_response', handleInvitationResponse);
     };
-  }, [socket, user]);
+  }, [socket, user.id, loadLeaderboard, loadChallenge]);
 
   const loadChallenge = async () => {
     try {