fix: preserve Visual selections through command entry

src/main.rs

@@ -39,6 +39,7 @@ Normal: i/a insert, I/A insert at first nonblank/end, o/O new line
         y/d/c/p/P use the system clipboard by default; config.clipboard_mode = \"separate\" isolates it
         Esc keeps only the primary caret
 Visual: motions extend selections, y copy, d/x/Delete cut, c change, p/P replace selections
+        : opens command input with the selection preserved; Esc returns to that selection
         r<char> replaces every selected grapheme, preserving newlines; one undo action
         I/A insert at each selected line's first nonblank/end
         Ctrl+l split rows, Ctrl+n add occurrence, Ctrl+s skip, Ctrl+a all
@@ -82,7 +83,7 @@ Diff: :diff (Normal); choose Before then After; Working checkout After edits liv
       Esc closes Before/After selectors; :diff.close exits an opened comparison explicitly
       Remote refs/history load into temporary comparison repos without changing active refs/checkout
       Changed files: normal picker/explorer bindings, Ctrl+w close; A/M/D/R status and rename paths
-Local reviews: :diff.comment at caret; use palette or Visual binding for a selected line range
+Local reviews: :diff.comment at caret or on a Visual/Visual Line selection
       :diff.review.edit/delete [ID], :diff.review.next/previous, :diff.review.overview
       :diff.review.summary; :diff.review.verdict looks_good|changes_requested|none
       :diff.review.save PATH / :diff.review.open PATH; :w in review panes saves local JSON