v0.3.40: Device Flexibility + Pre-0.4 Hardening

v0.3.40

Pre-0.4.0 hardening + device flexibility. No scientific-claim escalation; outputs remain proxy readouts (laminar_proxy_no_pde, physical_amplitude_claim_allowed=false).

Added

• RuntimeConfig.backend (cpu/gpu/tpu) is now honored for device placement via jax.default_device; runtime_report() reports backend_enforced by device availability. dtype (float32/float64) and jit remain per-RuntimeConfig adjustable.
• Accurate docstrings for all public jaxfne.__all__ members; fail-loud pre-0.4 physical-solver placeholder in experimental_hpc.

Changed

• Repo hygiene: root thinned; non-public planning material removed from the published repository.

Artifact SHA256

File	SHA256
wheel	7dd96e89369a064ee4664b4e076b21ed7f48c540f7471cb796963e04710c8517
sdist	89df2eeb19446b2adefb8188429c1f45651712bf16f2d0262c073d14329b281f