- Add PlayerSpawnConfig for separate spawn location when players are stuck in blocks
- Add PlayerSpawnConfigLoader for YAML parsing
- Update MineConfig with playerSpawn section and getSpawnForStuckPlayer() helper
- Update ConfigLoader to include playerSpawn configuration
- Update MineFileManager to preserve playerSpawn when saving
- Update MineResetHandler.teleportPlayers() to use player-spawn location
- Update defaults.yml with player-spawn documentation
- Limit findSafeTeleportLocation() to max 3 blocks upward search
- Priority: same level nearby, then up (max 3), then down, then diagonal
- Prevents teleporting players too high in the air
If player-spawn is not configured, falls back to teleport.location for backward compatibility.
- Add BlockUpdateUtil for sending block update packets to clients
- sendBlockUpdate() - update single block for visible players
- sendRegionUpdate() - batch update for cuboid regions
- sendLocationsUpdate() - efficient update for specific positions
- refreshChunks() - full chunk resync if needed
- findSafeTeleportLocation() - prevents player suffocation
- Update BukkitBlockSetter to send block updates after placement
- Prevents ghost blocks when setting many blocks quickly
- Uses main thread for packet sending after async block placement
- Update MineResetHandler.teleportPlayers() to use safe teleport
- Finds safe location near configured teleport destination
- Prevents players from spawning inside blocks
Ghost blocks occur when server sets blocks without notifying clients,
causing invisible blocks or desync. Fixed by explicit packet updates.
