fix: route normal-mode cuts through clipboard pipeline

src/main.rs

@@ -25,7 +25,7 @@ Files: Space o floating tree INSERT; Space e docked tree NORMAL (right by defaul
        i filters; Esc retains filter and returns NORMAL, then editor; Ctrl+u clears in either mode
        Ctrl+t view, Ctrl+w close, Ctrl+r refresh
 Normal: i/a insert, I/A insert at first nonblank/end, o/O new line
-        h/j/k/l move, 0/$ line ends, x delete, J join lines
+        h/j/k/l move, 0/$ line ends, x/Delete cut hovered graphemes, J join lines
         w/b/e word next/previous/end, W/B/E whitespace-delimited WORDs
         Normal/Visual: f<char>/F<char> seek next/previous on current line; 2fx seeks second x
         gf follows Markdown file links/reference links and heading fragments (no LSP)
@@ -43,7 +43,7 @@ Normal: i/a insert, I/A insert at first nonblank/end, o/O new line
         Linewise p/P paste below/above the current row; characterwise p/P paste after/before the grapheme
         Normal/Visual: . repeats last native edit at current targets (one undo group)
         v characterwise select, V linewise select, p/P paste fragments, Ctrl+k/Ctrl+e clone above/below
-        y/d/c/p/P use the system clipboard by default; config.clipboard_mode = \"separate\" isolates it
+        y/d/x/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