touch: force rebuild 2026-04-17T20:50:23.682702Z

fix: repoint to unsloth/gemma-3-4b-it-GGUF (existing Apr 2026 SOTA, prior ref 404)

feat(l1-coord+llm-fleet): LangGraph coordinator + 2026 SOTA CPU LLM refresh + Logfire OTel

feat(llm-fleet): deploy 3 quantized CPU LLM Spaces (Qwen2.5-0.5B + Llama-3.2-1B + Gemma-2-2B) + gateway wiring