Fix: keep numpy 1.26 for TF/MEGNet compat (fairchem works despite metadata)

Fix: pin setuptools<72 for pkg_resources + numpy>=2.0 for fairchem compat

Fix: force-reinstall setuptools with cache bust + build-time verify

Fix: install setuptools in same layer as TF downgrade to survive force-reinstall

Fix: add setuptools for pkg_resources (required by torchtnt/fairchem)

Add /debug endpoint and accurate /health model reporting

New: eSEN + l-MM + l-OFM named vector endpoint

initial commit