rewrote pipeline as draggable card strip with per-rule config popovers,
added right-click menus to pipeline cards, sidebar tree, and file list,
preset import/export with BRU format support, new rules (hash, swap,
truncate, sanitize, padding, randomize, text editor, folder name,
transliterate), settings dialog with all sections, overlay collision
containment, tooltips on icon buttons, empty pipeline default
Rust workspace with nomina-core (rename engine) and nomina-app (Tauri v2 shell).
React/TypeScript frontend with tabbed rule panels, virtual-scrolled file list,
and Zustand state management. All 9 rule types implemented with 25 passing tests.
