feat: Add LLM rule explanations, real-time visualizations, and fix analytics permissions

feat: Add real-time reasoning visualizer, tool timeline, and tenant heatmap components

feat: update the encoding model

feat: implement role-based access control UI - hide/show features based on user role (viewer/editor/admin/owner)

update frontend

feat: Enhance admin rules with file upload, drag-and-drop, chunk processing, and improved UI

update the redflag resopnse

Update the frontend

document deletion and improve tenant ID management

imporve admin page & backend

feat: Add knowledge base with document ingestion and file upload support

feat: add knowledge base management and analytics dashboard