- HuntingSession dataclass with full cost/loot tracking
- Real-time cost calculations (weapon + armor + healing)
- Profit/Loss with return percentage
- Cost per kill and cost per hour metrics
- SessionManager for multiple sessions
- JSON export for session data
- Excludes shrapnel/UA from profit calculations
- Linear decay per damage point (0.05 PEC per HP)
- Plate only decays for damage it actually absorbs
- Added block_chance support for upgraded plates
- Improved documentation