Inserting nodes into tree right below the cursor position

src/posting/app.py

@@ -103,6 +103,7 @@ class AppBody(Vertical):
 
 
 class MainScreen(Screen[None]):
+    AUTO_FOCUS = None
     BINDINGS = [
         Binding("ctrl+j", "send_request", "Send"),
         Binding("ctrl+t", "change_method", "Method"),

src/posting/jump_overlay.py

@@ -17,7 +17,6 @@ class JumpOverlay(ModalScreen[str | Widget | None]):
     or a reference to the widget. Is dismissed with None if the user dismissed
     the overlay without making a selection."""
 
-    AUTO_FOCUS = None
     DEFAULT_CSS = """\
     JumpOverlay {
         background: black 25%;

src/posting/widgets/collection/browser.py

@@ -271,7 +271,9 @@ def _handle_new_request_data(new_request_data: NewRequestData | None) -> None:
 
             # Attach to the relevant node
             new_node = self.add_request(
-                new_request, parent_node if pointer is self.root else pointer
+                new_request,
+                parent_node if pointer is self.root else pointer,
+                cursor_node,
             )
             self.currently_open = new_node
 
@@ -286,6 +288,7 @@ def _handle_new_request_data(new_request_data: NewRequestData | None) -> None:
             )
 
             def post_new_request() -> None:
+                self.screen.set_focus(focused_before)
                 self.select_node(new_node)
                 self.scroll_to_node(new_node, animate=False)
 
@@ -307,11 +310,14 @@ def post_new_request() -> None:
         )
 
     def add_request(
-        self, request: RequestModel, parent_node: TreeNode[CollectionNode]
+        self,
+        request: RequestModel,
+        parent_node: TreeNode[CollectionNode],
+        cursor_node: TreeNode[CollectionNode] | None = None,
     ) -> TreeNode[CollectionNode]:
         """Add a new request to the tree, and cache data from it."""
         self.cache_request(request)
-        return parent_node.add_leaf(request.name, data=request)
+        return parent_node.add_leaf(request.name, data=request, after=cursor_node)
 
     def cache_request(self, request: RequestModel) -> None:
         def get_base_url(url: str) -> str | None: