# Manual Test Instructions: Duplicate Response Fix

The browser should now be open at http://localhost:5173

## Test Steps:

### 1. Open Browser DevTools
- Press **F12** or **Right-click → Inspect**
- Go to the **Console** tab

### 2. Navigate to Fast Agent
- Click on the **"Fast Agent"** button/icon in the app
- Or find the chat interface

### 3. Send a Test Message
- Type any message (e.g., "Hello, how are you?")
- Click **Send** button (or press Enter)

### 4. Watch Console Logs

#### ✅ EXPECTED (Good - No Duplicates):
```
[FastAgentPanel] 🎯 handleSendMessage called, text: Hello, how are you?..., isBusy: false
[FastAgentPanel] ✅ Send ALLOWED - message recorded for deduplication
[FastAgentPanel] 🚀 Calling sendStreamingMessage with threadId: ...
[FastAgentPanel] ✅ Streaming initiated successfully
[initiateAsyncStreaming:abc123] 🚀 MUTATION INVOKED - thread:..., userId:...
[initiateAsyncStreaming:abc123] 📝 Creating agentRun for messageId:...
```

**Key Points:**
- ✅ Only ONE `🚀 MUTATION INVOKED` log
- ✅ Only ONE "Reasoning Process" appears in the UI
- ✅ No duplicate responses

#### ❌ BAD (If duplicates still occur):
```
[FastAgentPanel] 🎯 handleSendMessage called...
[FastAgentPanel] ✅ Send ALLOWED...
[initiateAsyncStreaming:abc123] 🚀 MUTATION INVOKED...   <-- FIRST
[initiateAsyncStreaming:def456] 🚀 MUTATION INVOKED...   <-- DUPLICATE (BAD!)
```

**Symptoms:**
- ❌ TWO `🚀 MUTATION INVOKED` logs
- ❌ TWO "Reasoning Process" elements in UI
- ❌ Duplicate responses

### 5. Test Rapid Click Protection (Optional)

**Try clicking send button 3 times rapidly:**

#### ✅ EXPECTED:
```
[FastAgentPanel] 🎯 handleSendMessage called...
[FastAgentPanel] ✅ Send ALLOWED...
[FastAgentPanel] 🎯 handleSendMessage called...
[FastAgentPanel] 🛑 Send BLOCKED - duplicate message within 3000 ms   <-- BLOCKED!
[FastAgentPanel] 🎯 handleSendMessage called...
[FastAgentPanel] 🛑 Send BLOCKED - duplicate message within 3000 ms   <-- BLOCKED!
[initiateAsyncStreaming:abc123] 🚀 MUTATION INVOKED...   <-- ONLY ONE
```

**Key Points:**
- ✅ See `🛑 Send BLOCKED` messages for duplicates
- ✅ Only ONE mutation invoked
- ✅ Rapid clicks are prevented

## Success Criteria

| Check | Expected Result |
|-------|----------------|
| Console logs | Only ONE `🚀 MUTATION INVOKED` per message |
| UI elements | Only ONE "Reasoning Process" per response |
| Rapid clicks | See `🛑 Send BLOCKED` for duplicates |
| Backend logs | No duplicate `📝 Creating agentRun` |

## Reporting Results

After testing, please share:
1. Screenshot of browser console showing the logs
2. Screenshot of the UI showing the response
3. Any error messages or unexpected behavior

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**Current Status:** Dev server is running, browser should be open at http://localhost:5173

**Next Steps:** Follow the test steps above and verify the duplicate response fix is working correctly.
