fix ui filter resolve

fix comma separation issue and filter check

add various helper tools and context / prompt enrichment for the agents

modular agentic changes

Add fallback policy to multi-modal when metadata:text is empty

reduce Note: ... fitler warning

delete bug

bug fix

delete bug

add saliency map components

add visual chatbot

intagrate visual RAG

inherit from base class

add VisionRAG Agent

create base Agent factory

add gemini refferences

Gemini FSA (#6)