Handoff Relay

1.0.0

Stable public release.

Added:

• Timed handoff gameplay system
• Configurable handoff duration
• Participant count tracking
• Player number display
• Approved spectator account support
• Single active-player enforcement
• Ownership attribution system

Persistence:

• Inventory persistence
• Armour and offhand persistence
• Ender chest persistence
• XP persistence
• Health and hunger persistence
• Potion effect persistence
• Location and dimension persistence
• Respawn position persistence
• Hotbar selection persistence
• Reconnect timer continuation

Security & Integrity:

• Dangerous command abuse protection
• LAN cheat escalation mitigation
• Anti-creative enforcement
• Anti-flight enforcement
• Integrity lock system
• Backup state recovery
• Persistent handoff save tracking

Fixed:

• Timer persistence across player handoffs
• Player transfer timer reset issue
• Handoff state continuity issues
• Multiple handoff lifecycle edge cases

Validated:

• Singleplayer world-transfer workflows
• Dedicated Fabric server workflows
• External world handoff testing
• Second-player takeover validation
• Timer expiry enforcement
• Player rejoin restrictions after expiry
• State restoration across multiple participants

Release Notes: Handoff Relay 1.0.0 is the first stable public release. The mod enables serialised Minecraft gameplay where progression, inventory, location, and timer state are transferred between participants while maintaining world continuity and gameplay integrity.