Add optional DFTB+ external backend#141

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karmachoi wants to merge 6 commits into

Open-Quantum-Platform:mainfrom

karmachoi:feat/dftbplus-external-backend

Commits on May 25, 2026

Add external DFTB+ backend scaffolding
cheolhochoi
committed
Allow DFTB+ ground-state gradient input
cheolhochoi
committed
Preserve optional DFTB+ work directories
cheolhochoi
committed
fix: validate DFTB+ gradient runner with real output
cheolhochoi
committed
Add DFTB+ capability matrix and optimize path
cheolhochoi
committed
Fix DFTB optimizer without SciPy
cheolhochoi
committed