fix getDuplicateListingIDs ordering and testRemoveItem event count

fix cleanupGhostListings leaking listedNFTs entry for ghost listing

fix testRemoveItem event count after adding testIsGhostListing

add isGhostListing() with correct semantics; deprecate hasListingBecomeGhosted()

add clarifying comment on nftProviderCapability field/init type intentional difference

regenerate Go bindata assets and update CLAUDE.md

add CLAUDE.md and AGENTS.md for AI assistant guidance

add REPORT.md to .gitignore

fix report issues 2, 4, 6, 9, 10, 11, 12, 13, 14 in NFTStorefrontV2

fix camel case and other PR feedback

use generic types in V2 transactions

update buy_item to use generic types

add setup to sell item transactions

add emulator addresses

update README