Add tracking file for JodaTime to java.time.* migration progress

JodaTime_References_Tracking.txt

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+# JodaTime to java.time.* Migration Tracking
+
+## Overview
+This file tracks the remaining JodaTime references that need to be migrated to java.time.* in the Magicbane Server codebase.
+
+## Current Status (as of 2026-10-02)
+Branch: ai-refactor-jodatimeFull
+
+## Files with JodaTime References (Total: 30 files)
+
+### Files Already Migrated or Partially Migrated
+1. ArcMineWindowAvailableTimeMsg.java - ✅ COMPLETE (already using java.time.*)
+
+### Files to be Migrated
+1. BaneRecord.java - [ ] 
+2. dbBaneHandler.java - [ ]
+3. dbBuildingHandler.java - [ ]
+4. dbGuildHandler.java - [ ]
+5. dbMobHandler.java - [ ]
+6. dbNPCHandler.java - [ ]
+7. dbShrineHandler.java - [ ]
+8. dbWarehouseHandler.java - [ ]
+9. GuildManager.java - [ ]
+10. BaneDefaultTimeJob.java - [ ]
+11. ByteBufferWriter.java - [ ]
+12. AcceptInviteToGuildHandler.java - [ ]
+13. BanishUnbanishHandler.java - [ ]
+14. ManageCityAssetMsgHandler.java - [ ]
+15. PlaceAssetMsgHandler.java - [ ]
+16. GuildInfoMsg.java - [ ]
+17. ManageCityAssetsMsg.java - [ ]
+18. ManageNPCMsg.java - [ ]
+19. NetMsgFactory.java - [ ]
+20. Bane.java - [ ]
+21. Guild.java - [ ]
+22. GuildHistory.java - [ ]
+23. ItemFactory.java - [ ]
+24. Mob.java - [ ]
+25. NPC.java - [ ]
+26. PlayerCharacter.java - [ ]
+27. ProducedItem.java - [ ]
+28. Transaction.java - [ ]
+29. Warehouse.java - [ ]
+
+## Migration Strategy
+1. Analyze each file to understand JodaTime usage patterns
+2. Replace imports with java.time equivalents
+3. Update variable declarations and method calls 
+4. Ensure network packet compatibility is maintained
+5. Test functionality after each change
+
+## Progress Tracking Template
+For each file, mark as complete when migration is finished:
+- [x] File name - Status: COMPLETED (Date: YYYY-MM-DD)
+- [ ] File name - Status: PENDING 
+
+## Migration Notes
+- Focus on minimal changes to maintain compatibility
+- Preserve existing network packet serialization format
+- Use java.time classes for better performance and thread safety
+- Test each migration in a controlled environment
+
+## Next Steps
+1. Start with files that have minimal dependencies (like ArcMineWindowAvailableTimeMsg)
+2. Proceed systematically through the list
+3. Create detailed migration plans for complex files
+4. Test changes in-game after each migration