Add microstructure signal study pipeline

Add Kalshi order-book tick collector for microstructure study

Fix live arbitrage scanner with verified market pairs

Switch Polymarket integration to Gamma API for better reliability and add price bounds filter

Optimize fetch_and_scan: drop Kalshi auth, add early string filter, enforce fee threshold

Fix Kalshi 401 error by migrating REST URL to api.elections.kalshi.com domain

Integrate live Polymarket and Kalshi APIs for true real-time arbitrage scanning

Replace static orderbooks with dynamic simulated REST API feeds

Fix StreamlitAPIException by moving set_page_config to very top

Add Supabase integration for remote trade logging

Fix nested button execution by making opps persistent

Fix UI state reset by using st.session_state for portfolio variables

Add tests, alerts, and blockchain tracker

Add 4-part Medium article series on ArbIntel quantitative strategies

Relax version constraints to fix Python 3.13 build hang

Add Hugging Face Spaces YAML metadata

Add system documentation

Add dependencies for Discord and Blockchain wallet tracking

Add root app.py for Streamlit GUI and dependencies