feat: Implement document synthesis endpoint with hierarchical summarization

feat: Add synthesis endpoint and request/response models for document synthesis

feat: Implement grounded answer generation and integrate with query endpoint

feat: Add neurodivergent-memory workflow instructions and prompts

Upload folder using huggingface_hub

refactor(app): improve code formatting and add background ingestion status display

another one

Fix syntax errors in app.py preventing Gradio app startup on HF Spaces

staged changes are still showing even after forced push.