Update module loading and rate limiting for healing system integration

- Add heal command to rate limiting system for proper cooldown enforcement
- Update module initialization to support new healing system components
- Ensure rate limiting properly handles new heal command with user restrictions
- Maintain system security and prevent healing system abuse
- Clean up deprecated connection and backup commands from rate limiter

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

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

modules/__init__.py

@@ -10,6 +10,7 @@ from .admin import Admin
 from .inventory import Inventory
 from .gym_battles import GymBattles
 from .team_builder import TeamBuilder
+from .npc_events import NPCEventsModule
 
 __all__ = [
     'CoreCommands',
@@ -20,5 +21,6 @@ __all__ = [
     'Admin',
     'Inventory',
     'GymBattles',
-    'TeamBuilder'
+    'TeamBuilder',
+    'NPCEventsModule'
 ]