Single-file app: load HDF5 (/images, /labels) + query image → Stage A shortlist → Stage B shifted IoU refine.
Includes minimal progress, worker status, error logging, and a Top-64 overlay visualizer.





Input command line
Examples:
This is a shell-ish parser demo: it handles quoting/escaping, comments, and command separators (; && || | &). It does not implement expansions, globbing, redirection, or subshell syntax.
  Output (JSON) - hover to highlight matching braces
(click “Parse Input”)