Implement Verbalized Sampling for Serendipity Diagnosis

Change to chatbot interface with conversation history

Fix: Add pydantic-settings dependency for config.py

Fix: Simplify dependencies and add app_gradio.py for HuggingFace Spaces

Update Gradio to v5.0.0 to fix security vulnerabilities

Add HuggingFace Spaces support with Gradio UI

Fix: Make pdf_source_path optional in config

Fix embedder method call in test DB creation script

Fix vector DB download script: Handle errors gracefully

Fix deployment: Optimize dependencies and build process

Connect frontend to Render.com backend API

Secure API key: Remove from frontend, use backend proxy

Add simple browser-based RAG system (no backend needed)

Improve gitignore patterns for vector DB exclusion

Update gitignore to exclude test vector DB

Add Render.com deployment configuration for online hosting

Fix test vector DB setup script and update gitignore

Add quick test vector DB setup script for local backend testing

Add complete pipeline demonstration with sample vector DB

Add remote indexing options and pipeline testing tools

Add system verification and sample PDF generation scripts

Add automation scripts and quick start guide

Enable vector DB upload to GitHub and add upload guide

Add complete Financial RAG system with Metacognitive Agent