- Added event emissions for NPC interactions in core game systems:
- Unlock System: door_unlocked, item_unlocked, door_unlock_attempt
- Interactions System: object_interacted
- Inventory System: item_picked_up:*
- Minigame Framework: minigame_completed, minigame_failed
- Created event-triggered reactions for the helper NPC:
- Added knots for lockpick pickup, success, failure, door unlock, and object interaction.
- Implemented state tracking and context-aware responses.
- Updated event mappings in scenario JSON for the helper NPC to respond to various events.
- Fixed global variable references in event emission code to ensure proper event dispatching.
- Added debug logging to verify event emissions and NPC reactions.
- Documented implementation details and testing instructions for new features.
