v1.2.0: Implement improvement plan features

- Setback System: Teleports flagged players to lastSafeLocation (opt-in per check)
- TPS Lag Compensation: isServerLagging() helper, guards in Fly/Spider/Glide checks
- Universal Buffer System: Buffer fields for Jesus/Reach/KillAura/Timer/FastPlace/Scaffold/FastEat
- /xac debug command: Shows check-specific debug info for players
- Public API: XACApi with isFlagged(), getViolationLevel(), getTotalViolations(), isBypassed()
- Performance Metrics: /xac stats command with checks/flags/punishments tracking

src/main/resources/plugin.yml

@@ -1,5 +1,5 @@
 name: XeroAntiCheat
-version: 1.1.3
+version: 1.2.0
 main: com.xeroth.xeroanticheat.XeroAntiCheat
 author: Xeroth
 description: Lightweight, accurate anti-cheat for Paper 1.21.x