Format all non-generated files with oxfmt via `vp fmt`. Add .oxfmtignore to skip bindings/ and wasm-pack output. Add npm format script and update DEVELOPMENT.md docs. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
https://feedback.yaak.app/p/displace-moving-caret-on-spring-loaded-folder