Use JSON schema for course outline; implement structured plan generation; add schema file; update planner to produce JSON; update app to write JSON and doc attachments; update requirements and searcher for PDF extraction and unify dependencies.

Upload 2 files

Upload 2 files

Fix chat interface (return message dictionaries for Gradio Chatbot) and add fallback to COURSECREATOR_API_KEY for OpenAI API key retrieval.

Upload 7 files