fix(code): hand pointer over splash tracing project link

libs/code/deepagents_code/widgets/welcome.py

@@ -13,7 +13,7 @@
 from textual.widgets import Static
 
 if TYPE_CHECKING:
-    from textual.events import Click
+    from textual.events import Click, MouseMove
     from textual.timer import Timer
 
 from deepagents_code import theme
@@ -341,6 +341,18 @@ def on_click(self, event: Click) -> None:  # noqa: PLR6301  # Textual event hand
         """Open style-embedded hyperlinks on single click."""
         open_style_link(event)
 
+    def on_mouse_move(self, event: MouseMove) -> None:
+        """Show a hand pointer over link spans and reset it elsewhere.
+
+        `auto_links` is disabled to avoid a hover-refresh flicker, so the
+        pointer shape is updated manually from the style under the cursor.
+        """
+        self.styles.pointer = "pointer" if event.style.link else "default"
+
+    def on_leave(self) -> None:
+        """Reset the pointer shape when the mouse leaves the banner."""
+        self.styles.pointer = "default"
+
     def _build_banner(self, project_url: str | None = None) -> Content:
         """Build the banner content.
 

libs/code/tests/unit_tests/test_welcome.py

@@ -366,6 +366,40 @@ def test_click_with_browser_error_is_graceful(self) -> None:
         event.stop.assert_not_called()
 
 
+class TestPointerShapeOnHover:
+    """Tests for the hand pointer shown when hovering link spans."""
+
+    def test_mouse_move_over_link_sets_pointer(self) -> None:
+        """Hovering a link span should show the hand pointer."""
+        widget = _make_banner(thread_id="abc")
+        event = MagicMock()
+        event.style = Style(link="https://example.com")
+
+        widget.on_mouse_move(event)
+
+        assert widget.styles.pointer == "pointer"
+
+    def test_mouse_move_off_link_resets_pointer(self) -> None:
+        """Hovering non-link text should reset to the default pointer."""
+        widget = _make_banner(thread_id="abc")
+        widget.styles.pointer = "pointer"
+        event = MagicMock()
+        event.style = Style()
+
+        widget.on_mouse_move(event)
+
+        assert widget.styles.pointer == "default"
+
+    def test_leave_resets_pointer(self) -> None:
+        """Leaving the banner should reset to the default pointer."""
+        widget = _make_banner(thread_id="abc")
+        widget.styles.pointer = "pointer"
+
+        widget.on_leave()
+
+        assert widget.styles.pointer == "default"
+
+
 class TestBuildWelcomeFooter:
     """Tests for the `build_welcome_footer` standalone function."""