v1.0.0 — Initial Release

Features

• Team-based player data synchronization (inventory, health, hunger, XP, potion effects, ender chest, position)
• Per-team toggle configuration via in-game chest GUI
• Mutual invite system with clickable accept/decline buttons
• Team management commands: /sync join, /sync start, /sync info, /sync kick, /sync leave, /sync disband
• Tablist color synchronization for teammates
• Configurable Totem of Undying sync shielding
• Automatic leader promotion when leader goes offline
• Persistent team data (JSON storage)

Infrastructure

• Unit tests for SyncSettings, SyncTeam, SyncManager, TeamManager, and ConfigGui
• GitHub Actions release workflow (build, test, publish JAR on tag push)