Publish standalone llama.cpp tool binaries for parity checks

[leehack]

Context

The leehack/llamadart#274 parity investigation needed upstream llama-cli / llama-server commands for the same native tag consumed by llamadart. The current leehack/llamadart-native@b9873 release publishes runtime bundles and headers, but not standalone tool binaries, so the comparison had to use a nearby local b9571-line llama-cli build instead of exact packaged-artifact parity.

Acceptance criteria

• Native releases publish or otherwise document reproducible standalone llama-cli / llama-server tool binaries for the pinned llama.cpp tag, at least for maintainer benchmark platforms.
• llamadart speculative performance investigations can cite the exact tool build that matches the consumed runtime artifact.
• If publishing every platform is too heavy, document a supported local build command and artifact naming convention for parity checks.