v0.3.2

Milestone 4 — KPM pipeline correctness

🐛 Bug Fixes

• Fset3 KpmImageInfo field order and enable full pipeline test
• Improve assertion formatting in test_matched_db_id_zero_finds_pose
• Formatting style causing CI failure
• Gate simple_nft example behind ffi-backend feature
• Formatting in the new surface.rs file

🚀 Features

• Add simple_nft example demonstrating KPM detection → AR2 tracking pipeline
• Add WasmNFTHandle for AR2 tracking in WASM and NFT demo page
• Add pinball demo image and update simple NFT example to use it

🚜 Refactor

• Add ar2_read_surface_set to match C++ nftSimple pattern
• Extract surface types and functions into new ar2/surface.rs