🟩 WTB Plugin — Version 2.0

A major stability and correctness update that fixes all known issues from v1.0, improves GUI consistency, ensures accurate payouts, and fully resolves Claim Box behavior.

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🚀 Major Fixes

1. Correct Listing Selection (GUI Index Bug)

Listings in the Main GUI now correctly map to the clicked slot.

• Fixed incorrect index calculation
• Correctly accounts for page offset
• No more selecting the wrong listing

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2. Correct Payout Calculation

Payouts now always match the exact number of items sold.

• Amount is clamped to seller inventory
• Amount is clamped to listing remaining quantity
• Payout = pricePerItem * amount is now always correct

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3. Fill‑All Uses Sorted Listings

The Fill All button now respects the current sort mode.

• Uses mainGUI.getSortedListings()
• No more inconsistent fill order
• No more skipping or mis‑filling listings

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4. Shared GUI Instances (Critical Fix)

All GUIs and services now use single shared instances from Main.

• Fixed Claim Box not updating
• Fixed My Listings not refreshing
• Fixed Main GUI desync
• Fixed Transactions GUI inconsistencies
• Removed all accidental new GUI() duplicates

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5. Claim Box Entry ID System

Each claim entry now includes a unique ID in its lore.

• Prevents claiming the wrong entry
• Fixes silent claim failures
• Enables reliable click detection

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6. Claim Box Cache Fix

Claim Box no longer shows entries from the wrong player.

• Cache is cleared on GUI open
• Viewer UUID is updated correctly
• No more cross‑player claim issues

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7. Correct Claim Amounts (Final Fix)

Claim messages now match the exact stack size shown in the Claim Box.

• Captures amount before Bukkit mutates the ItemStack
• Prevents auto‑stacking from altering the message
• Claiming 64/36 stacks now prints exactly 64/36

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8. Correct Item Storage in Claim Box

Items delivered to the buyer are now stored exactly as intended.

• Listing fulfillment splits into 64‑stacks
• Claim Box displays correct stack sizes
• Claiming each stack gives the correct amount

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🧹 Minor Improvements

• Improved debug logging for payouts and fulfillment
• Cleaned up async DB operations
• Ensured all GUI opens run on the main thread
• Improved money formatting consistency
• Removed redundant code paths in click handlers

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🛡 Stability & Data Integrity

• Verified DB schema correctness
• Ensured ClaimEntry serialization is stable
• Ensured Listing model updates correctly
• Ensured no duplicate GUI/service instances
• Ensured all caches refresh correctly

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🎉 Summary

Version 2.0 delivers:

• Fully accurate payouts
• Fully accurate claim amounts
• Fully correct GUI behavior
• Fully stable Claim Box
• Fully correct listing selection
• Fully correct Fill All logic

This release resolves every major issue from v1.0 and brings the plugin to production‑ready stability.