Implement secure team builder with PIN verification system

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

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

modules/__init__.py

@@ -9,6 +9,7 @@ from .achievements import Achievements
 from .admin import Admin
 from .inventory import Inventory
 from .gym_battles import GymBattles
+from .team_builder import TeamBuilder
 
 __all__ = [
     'CoreCommands',
@@ -18,5 +19,6 @@ __all__ = [
     'Achievements',
     'Admin',
     'Inventory',
-    'GymBattles'
+    'GymBattles',
+    'TeamBuilder'
 ]

modules/team_builder.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+"""Team builder module for PetBot - handles PIN delivery and verification"""
+
+from .base_module import BaseModule
+
+class TeamBuilder(BaseModule):
+    """Handles team builder PIN system and IRC integration"""
+    
+    def get_commands(self):
+        return []  # No direct IRC commands, only web interface
+    
+    async def handle_command(self, channel, nickname, command, args):
+        # No direct commands handled by this module
+        pass
+    
+    async def send_team_builder_pin(self, nickname, pin_code):
+        """Send PIN to player via private message"""
+        message = f"""🔐 Team Builder Verification PIN: {pin_code}
+
+This PIN will expire in 10 minutes.
+Enter this PIN on the team builder web page to confirm your team changes.
+
+⚠️ Keep this PIN private! Do not share it with anyone."""
+        
+        self.send_pm(nickname, message)
+        print(f"🔐 Sent team builder PIN to {nickname}: {pin_code}")
+    
+    async def cleanup_expired_data(self):
+        """Clean up expired PINs and pending requests"""
+        try:
+            result = await self.database.cleanup_expired_pins()
+            if result["success"] and (result["pins_cleaned"] > 0 or result["changes_cleaned"] > 0):
+                print(f"🧹 Cleaned up {result['pins_cleaned']} expired PINs and {result['changes_cleaned']} pending changes")
+        except Exception as e:
+            print(f"Error during cleanup: {e}")