Keryx Miner Supr v0.16.6 — AMD Vulkan H16 and per-card inference

• Fix AMD H16 mining after a successful Vulkan inference self-test. Workers no
  longer fall back to an older mining backend that cannot process H16 jobs.
• Each selected AMD card now proves and serves its own Vulkan inference route.
  Only the serving card pauses for inference or an audit, then resumes mining;
  the other cards keep mining. A failed card cannot qualify through another
  card's successful self-test.
• Add a Vulkan mining compatibility path for RX 5600/5700 (RDNA1). This path
  remains experimental: physical RDNA1 hardware has not yet been tested.
• Match OpenCL and Vulkan cards by physical device identity. A card missing from
  Vulkan remains paused with a diagnostic instead of using a different GPU.
• Serialize AMD model loading to reduce simultaneous host-memory staging.
• Include matching Vulkan inference engines for modern and pre-AVX CPUs in both
  Linux and Windows AMD packages. Install the complete package; replacing only
  the miner executable is insufficient.

H16 consensus rules, activation gates and model weights are unchanged. Existing
NVIDIA and other AMD solver selections are retained; this is a compatibility and
inference repair, not a new hashrate-gain claim.

Development validation passed on RX 7900 XTX, RX 7600 XT and MI50, including
traced H16 inference, audit openings, mining resumption, and both serving
directions on a mixed two-card rig. Physical RX 5700, ten-card rigs and Windows
GPU execution remain unqualified. The macOS package retains its existing
experimental Metal/H15/H16 limitations.

Final release packages also passed 277 host/integration tests, 33 Linux startup
checks across Ubuntu 20.04/22.04/24.04, complete H16 trace/opening/restart tests on
NVIDIA and AMD, and both serving directions on the mixed AMD rig. Live TLS pool
checks accepted 45 NVIDIA and 6 AMD shares with zero rejects. These are
functional checks, not performance benchmarks.

Packages: Linux NVIDIA modern and legacy, Linux AMD, HiveOS, mmpOS, SMOS,
Windows NVIDIA and AMD, macOS arm64, and Docker
ocminersupr/keryx-miner-supr:0.16.6 (latest). Licensing is unchanged from
v0.16.3 (Source-Sharing License 1.0); third-party licenses and previous grants
are preserved.