I ran into a very similar thing. In my case, the model kept saying:
plan mode is still active (the system requires the explicit
<end_plan_mode/>tag before I’m allowed to change code or mark todos
whenever I clicked “Build”. I literally sent <end_plan_mode/> in the chat and that worked.
Chat ID: c1195656-4196-4a1a-a895-3a67d6cd5dfc
