Add comprehensive behavior tracking for candidate monitoring

- Implement tab switch detection and counting
- Add paste event monitoring with size and pattern analysis
- Track typing patterns and detect suspicious speeds
- Create real-time notification system for interviewers
- Add behavior risk scoring (LOW/MEDIUM/HIGH)
- Integrate behavior data into Slack exports
- Add visual dashboard for interviewer monitoring
- Only track candidates, not interviewers

Features:
- Detects tab switching patterns
- Monitors large code pastes
- Identifies AI-generated code patterns
- Calculates typing speed (WPM)
- Shows risk factors in real-time
- Non-blocking monitoring (doesn't prevent candidates from interviewing)

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: Archith

index.html

@@ -606,8 +606,13 @@ <h2>Sessions Management</h2>
             <div id="notes-header">
               <span>📝 Interview Notes</span>
               <span id="notes-save-status" style="font-size: 12px; color: #888; margin-left: 10px;"></span>
+              <span id="behavior-alert-badge" class="alert-badge" style="display: none;">0</span>
               <button id="close-notes">×</button>
             </div>
+            <!-- Behavior Monitoring Dashboard -->
+            <div id="behavior-dashboard" style="display: none; background: rgba(255,152,0,0.05); border: 1px solid rgba(255,152,0,0.2); border-radius: 4px; padding: 12px; margin: 10px;">
+              <!-- Behavior metrics will be inserted here -->
+            </div>
             <div id="notes-content">
               <div class="notes-rating-section">
                 <label>Quick Rating:</label>
@@ -711,6 +716,7 @@ <h3 class="custom-modal-title"></h3>
     <script src="/scripts/slack-integration.js?v=4"></script>
     <script src="/scripts/posthog-tracking.js?v=2"></script>
     <script src="/scripts/session-tracking.js?v=1"></script>
+    <script src="/scripts/behavior-tracking.js?v=1"></script>
     <script src="/scripts/app.js?v=3"></script>
   </body>
 </html>

scripts/app.js

@@ -81,6 +81,11 @@
           // Remove the security check message - just proceed
         }
 
+        // Initialize behavior tracking for candidates only
+        if (window.initBehaviorTracking) {
+          window.initBehaviorTracking(sessionCode, name, 'candidate');
+        }
+        
         Auth.joinAsCandidate(name);
         window.location.hash = sessionCode;