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

test/bds/scripting/lua_test.exs

@@ -34,6 +34,57 @@ defmodule BDS.Scripting.LuaTest do
     assert_receive {:progress, %{"phase" => "write", "current" => 2, "total" => 2}}
   end
 
+  test "streams bds.app.log output through the on_output callback" do
+    parent = self()
+
+    source = """
+    function main()
+      bds.app.log('fetching')
+      bds.app.log('done', 42)
+      return 'ok'
+    end
+    """
+
+    callback = fn text -> send(parent, {:script_output, text}) end
+
+    assert {:ok, "ok"} =
+             BDS.Scripting.execute_project_script("project-id", source, "main", [],
+               on_output: callback
+             )
+
+    assert_receive {:script_output, "fetching"}
+    assert_receive {:script_output, "done 42"}
+  end
+
+  test "routes print calls through the on_output callback" do
+    parent = self()
+
+    source = """
+    function main()
+      print('hello', 'world')
+      return 'ok'
+    end
+    """
+
+    callback = fn text -> send(parent, {:script_output, text}) end
+
+    assert {:ok, "ok"} = BDS.Scripting.execute(source, "main", [], on_output: callback)
+
+    assert_receive {:script_output, "hello world"}
+  end
+
+  test "log and print fall back to a silent sink without an on_output callback" do
+    source = """
+    function main()
+      bds.app.log('note')
+      print('hello')
+      return 'ok'
+    end
+    """
+
+    assert {:ok, "ok"} = BDS.Scripting.execute_project_script("project-id", source, "main", [])
+  end
+
   test "sandbox blocks os.execute" do
     source = "function main() os.execute('echo hacked') end"