fix: issue #20 cmd-J panel tab strip visibility and output panel parity

API.md

@@ -40,6 +40,7 @@ local meta = bds.meta.get_project_metadata()
 - [app.get_default_project_path](#appget_default_project_path)
 - [app.get_system_language](#appget_system_language)
 - [app.get_title_bar_metrics](#appget_title_bar_metrics)
+- [app.log](#applog)
 - [app.notify_renderer_ready](#appnotify_renderer_ready)
 - [app.open_folder](#appopen_folder)
 - [app.read_project_metadata](#appread_project_metadata)
@@ -202,6 +203,30 @@ nil  -- or
 local result = bds.app.get_title_bar_metrics()
 ```
 
+### app.log
+
+Append a line to the script output stream. Multiple arguments are joined with spaces. Output appears in the desktop app's Output panel (and on stdout in the CLI); Lua's global `print` is routed the same way.
+
+**Parameters**
+
+- text (string, required)
+
+**Response specification**
+
+- Return type: `boolean`
+
+**Example response**
+
+```lua
+true
+```
+
+**Example call**
+
+```lua
+local result = bds.app.log("value")
+```
+
 ### app.notify_renderer_ready
 
 Notify the host application that the renderer is ready.