feat: import Chinese-localized Buzz source snapshot

Signed-off-by: cls_宁波本机 <908705107@qq.com>

desktop/src-tauri/crates/buzz-terminal/tests/cursor.rs

@@ -0,0 +1,41 @@
+use buzz_terminal::damage::Encoder;
+use buzz_terminal::fences::Fences;
+use buzz_terminal::{SharedTerminal, Size, Terminal};
+
+#[test]
+fn space_over_blank_cell_publishes_cursor_only_frame() {
+    let (terminal, _actions) = Terminal::new(
+        Size {
+            columns: 8,
+            screen_lines: 2,
+            scrollback: 10,
+        },
+        Fences::ALL,
+    );
+    let terminal = SharedTerminal::new(terminal);
+    let mut encoder = Encoder::new();
+
+    let initial = terminal.render(&mut encoder);
+    assert!(!initial.is_empty());
+    assert_eq!(initial.cursor.column, 0);
+
+    terminal.feed_fully(b" ");
+    let after_space = terminal.render(&mut encoder);
+
+    assert!(
+        after_space.rows.is_empty(),
+        "a blank cell overwritten with a space must be row-deduplicated"
+    );
+    assert_eq!(after_space.cursor.column, 1);
+    assert!(after_space.cursor_changed);
+    assert!(
+        !after_space.is_empty(),
+        "cursor movement must make the frame publishable"
+    );
+
+    let idle = terminal.render(&mut encoder);
+    assert!(
+        idle.is_empty(),
+        "an unchanged cursor must not create traffic"
+    );
+}