feat: Add NX study models and optimization histories

Includes all study folders with NX models for development:
- bracket_stiffness_optimization (V1, V2, V3)
- drone_gimbal_arm_optimization
- simple_beam_optimization
- uav_arm_optimization (V1, V2)
- training_data_export_test
- uav_arm_atomizerfield_test

Contains .prt, .fem, .sim files and optimization databases.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

studies/training_data_export_test/run_optimization.py

@@ -0,0 +1,17 @@
+"""Run optimization for training data export test."""
+import sys
+from pathlib import Path
+
+# Add parent directory to path
+sys.path.insert(0, str(Path(__file__).parent.parent.parent))
+
+from optimization_engine.runner import OptimizationRunner
+
+def main():
+    """Run the optimization."""
+    config_path = Path(__file__).parent / "1_setup" / "workflow_config.json"
+    runner = OptimizationRunner(config_path)
+    runner.run()
+
+if __name__ == "__main__":
+    main()