Initial commit — Trading AI Secure project complet

Architecture Docker (8 services), FastAPI, TimescaleDB, Redis, Streamlit.
Stratégies : scalping, intraday, swing. MLEngine + RegimeDetector (HMM).
BacktestEngine + WalkForwardAnalyzer + Optuna optimizer.
Routes API complètes dont /optimize async.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/ui/__init__.py

@@ -0,0 +1,12 @@
+"""
+Module UI - Interface Utilisateur Streamlit.
+
+Ce module contient l'interface utilisateur web:
+- Dashboard principal
+- Risk Dashboard
+- Strategy Monitor
+- Backtesting UI
+- Live Trading Monitor
+"""
+
+__version__ = "0.1.0-alpha"