kolibri1 TT: score the b2ii argmax chain at decode positions — the golden index was off by input_len - #3453

Canceling since a higher priority waiting request for ci-pull_request-3453-localai-org/vllm.cpp exists

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/