9b419a2d3c
Review findings on #110914 (@ehz0ah): the psutil leg compared watched abspath against the kernel-resolved path psutil reports, so a symlinked HERMES_HOME on macOS returned no holders and let the fallback probe mint replacement sidecars under a live writer. Both sides now realpath. doctor's `file:{path}?mode=ro` truncated at '?'/'#' in a home name; build the URI with as_uri().