VS Code-style file explorer for DeepSeek Harness

Key features

• Embedded in the lower half of the sidebar, without blocking the list of sessions, drag handles to adjust the ratio above and below
• Search for filenames in real time, sorting by name/size/time, filtering hidden entries and relying on directories
• Full right-click menupreview, system program opening, screen break, copy path, renaming, new file/folder, delete
• Keyboard Navigator (Pilot Move, Zoom, Zoom Collapse, Enter Open, F2 Rename, Delete Delete)