Add backend API rate limiting

Harden backend CORS and request body limits

Redesign certificates section with manual grid paging

Improve mobile home layout and chatbot replies

Finalize portfolio UI and admin session handling

Polish portfolio UI and chatbot interactions

feat: improve UI

feat: improve hybrid portfolio bot follow-up responses

feat: add hybrid local portfolio bot fallback

feat: add backend safety checks and improve chatbot guardrails

feat: add admin auth and bucket-backed profile storage

feat: serve react frontend from rust backend and update dockerfile for multi-stage build

add session memory to AI assistant and update types

add CORS layer to allow frontend communication

add /api/profile endpoint to serve sanitized public data

connect backend chat route to chatbot ml layer

add chat route with request and response schemas

setup live axum backend server with swagger ui

add project files and configurations