Add strategy lifecycle management module (#124)

- 25 new modules for continuous monitoring, drift detection, auto-optimization,
  safe updates, and unified health dashboard
- 46 unit tests covering contracts, metrics, drift detection, and AI review
- Dual-mode AI service provider (RELIABILITY/SAFETY patterns)
- Walk-forward validation for parameter optimization
- Market regime-aware drift detection

Co-authored-by: Claude <noreply@anthropic.com>

Author: Pigbibi

src/quant_platform_kit/strategy_lifecycle/__init__.py

@@ -0,0 +1,31 @@
+"""Strategy Lifecycle Manager — continuous monitoring, drift detection, auto-optimization, and safe updates."""
+
+from quant_platform_kit.strategy_lifecycle.contracts import (
+    BacktestResult,
+    DriftDimension,
+    DriftResult,
+    DriftStatus,
+    OptimizationProposal,
+    ParamDimension,
+    ParamSearchSpace,
+    StrategyHealthScore,
+    StrategyPerformanceSnapshot,
+    UpdateLogEntry,
+    UpdateStage,
+    WindowPerformance,
+)
+
+__all__ = [
+    "BacktestResult",
+    "DriftDimension",
+    "DriftResult",
+    "DriftStatus",
+    "OptimizationProposal",
+    "ParamDimension",
+    "ParamSearchSpace",
+    "StrategyHealthScore",
+    "StrategyPerformanceSnapshot",
+    "UpdateLogEntry",
+    "UpdateStage",
+    "WindowPerformance",
+]