data: add Gemma4 validation — 23rd deployment, Universal topology

Gemma 4 8B (Ollama, Bess VM) hits universal C-seed. First Gemma 4
entry. Topology shifted from gemma_small (Gemma 3n base) to universal
via Google instruction tuning pipeline.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Spider-local (Claude Sonnet 4.6)