v2.1.0: Phase 14-15 Release

Phase 14: Universal Temporal Fusion Foundation

• Multi-modal data ingestion (ROS bags, video, logs, Nav2, point clouds, annotations)
• Automatic clock synchronization across heterogeneous sources
• Unified timeline queries and reconstruction
• 37 tests passing

Phase 15: Root Cause Inference Engine

• Analysis across 7 dimensions: localization, planner, costmap, obstacles, semantic gaps, environment, controller
• Nav2 limitation vs tuning classification
• Structured findings with tiered recommendations
• Evidence trail reconstruction with confidence scoring
• 26 tests passing

Total: 63 new tests, 4,318 new LoC across both phases

Build: Python wheels only (no source code) for macOS arm64 (Python 3.13)