The last item of the Stage-10 editor-UX batch. The Project panel's
fixed typed-folder listing becomes a real file explorer over assets/:
- breadcrumbs + double-click folder navigation, "➕ New Folder", inline
rename rows, context menus (Open / Rename / Delete), drag a row onto
a folder (or "..") to move it, drag files in from the OS to import
into the current folder, double-click to open (scripts via the
external-editor flow, others via xdg-open).
- All behavior lives egui-free in editor/src/explorer.rs (listing,
breadcrumbs, name validation/uniquing, create/rename/move/delete/
import) and is unit-tested; the shell only renders it. Renames and
moves ride the uid-preserving AssetDatabase ops so saved AssetRefs
keep resolving; unregistered files fall back to fs::rename. Folders
delete only when empty — no recursive asset deletion.
- Engine: AssetDatabase::scan now walks the WHOLE assets/ tree instead
of just the typed folders, so assets organised into custom folders
register and survive rescans (covered by updated unit tests).
File operations act immediately and bypass the undo stack, like the
hierarchy's structural edits. GUI piece — needs an eye-check before
promotion to main.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Homer
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