**NEW FEATURES:**
- Complete EXP system with Pokemon-style stat calculation
- Level-based stat growth and automatic HP restoration on level up
- Experience gain from catches and battle victories
- Visual level up notifications with stat increases
**EXPERIENCE SOURCES:**
- Successful catches: 5 EXP × caught pet level
- Wild battle victories: 10 EXP × defeated pet level
- Gym battle victories: 20 EXP × defeated pet level (2x multiplier)
**LEVELING MECHANICS:**
- Cubic growth formula: level³ × 4 - 12 (smooth progression)
- Level cap at 100
- Stats recalculated on level up using Pokemon formulas
- Full HP restoration on level up
- Real-time stat increase display
**EXPERIENCE DISPLAY:**
- \!team command now shows "EXP: X to next" for active pets
- Level up messages show exact stat gains
- Experience awarded immediately after catch/victory
**STAT CALCULATION:**
- HP: (2 × base + 31) × level / 100 + level + 10
- Other stats: (2 × base + 31) × level / 100 + 5
- Progressive growth ensures meaningful advancement
**BATTLE INTEGRATION:**
- EXP awarded after wild battles, gym individual battles, and catches
- Different multipliers for different victory types
- First active pet receives all experience
This creates proper RPG progression where pets grow stronger through gameplay,
encouraging both exploration (catches) and combat (battles) for advancement.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Fixed tuple index out of range error in end_gym_battle()
- Added proper row factory and named column access in database queries
- Added exception handling and bounds checking in gym battle completion
- Added debug logging to track gym battle state issues
- Improved error messages for gym battle failures
Fixes: "tuple index out of range" error when gym battles complete
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
**NEW FEATURES:**
- Full 3-pet gym battles with turn-based combat
- Interactive attack selection (\!attack <move>)
- Item usage during gym battles (\!use <item>)
- Progressive battles through gym leader's team
- Proper gym battle state tracking and advancement
**BATTLE MECHANICS:**
- Players fight through all 3 gym pets sequentially
- Can use all battle commands: \!attack, \!moves, \!use
- Cannot flee from gym battles (must \!forfeit instead)
- Battle engine integration maintains all existing combat features
- Automatic progression to next gym pet when one is defeated
**GYM BATTLE FLOW:**
1. \!gym challenge "gym name" - starts battle with first pet
2. Standard turn-based combat using \!attack <move>
3. When gym pet defeated, automatically advance to next pet
4. Complete victory after defeating all 3 gym pets
5. \!forfeit available to quit gym battle with honor
**DATABASE UPDATES:**
- Added active_gym_battles table for state tracking
- Gym battle progression and team management
- Integration with existing player_gym_battles for victory tracking
**COMMANDS ADDED:**
- \!forfeit - quit current gym battle
- Enhanced \!gym challenge with full battle system
- Battle system now handles gym vs wild battle contexts
This creates the proper Pokemon-style gym experience where players strategically
battle through the gym leader's team using their full arsenal of moves and items.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
