Restore 100ms poll, whale on main menu only

src/main.rs

@@ -1013,7 +1013,7 @@ fn get_config_path<B: Backend>(_terminal: &mut Terminal<B>, app: &mut App) -> Re
 /// Key-repeat and initial press are both accepted.
 fn read_key_event() -> Result<crossterm::event::KeyEvent> {
     loop {
-        if event::poll(std::time::Duration::from_millis(16))? {
+        if event::poll(std::time::Duration::from_millis(100))? {
             if let Event::Key(key) = event::read()? {
                 if key.kind != KeyEventKind::Release {
                     return Ok(key);

src/tui.rs

@@ -286,7 +286,6 @@ pub fn draw_sub_menu(
 
     draw_select_list(f, chunks[2], items, descs, "↑/↓ navigate  Enter select  Esc back", state);
     draw_status_bar(f, chunks[3], app);
-    draw_whale_separator(f, chunks[3], app);
 }
 
 /// Draw a simple text screen with a "press any key" prompt.
@@ -307,7 +306,6 @@ pub fn draw_text_screen(
     ))
     .alignment(Alignment::Center);
     f.render_widget(prompt_p, chunks[3]);
-    draw_whale_separator(f, chunks[3], app);
 }
 
 /// Draw a file/folder picker list.
@@ -337,7 +335,6 @@ pub fn draw_picker_with_info(
     let prompt = "↑/↓ navigate  Enter select  Esc cancel";
     draw_select_list_with_info(f, chunks[2], items, descs, prompt, state, selected_info);
     draw_status_bar(f, chunks[3], app);
-    draw_whale_separator(f, chunks[3], app);
 }
 
 // ── internal drawing helpers ───────────────────────────────────────────────