llm-inference-multimodel: role + day1 playbook (phase 0 discover approved)

ansible/roles/llm-inference-multimodel/templates/llama-server-aux.service.j2

@@ -0,0 +1,33 @@
+[Unit]
+Description=llama-server (aux/classification) — Phi-4-14B Q4_K_M (OpenAI-compatible inference)
+After=network.target nvidia-persistenced.service
+Wants=nvidia-persistenced.service
+
+[Service]
+Type=simple
+User={{ llm_service_user }}
+Group={{ llm_service_user }}
+Environment="HOME=/home/{{ llm_service_user }}"
+ExecStart={{ llm_binary_path }} \
+    --model {{ llm_aux_model_path }} \
+    --host {{ llm_bind_address }} \
+    --port {{ llm_aux_port }} \
+    --ctx-size {{ llm_aux_ctx_size }} \
+    --n-gpu-layers {{ llm_aux_gpu_layers }} \
+    --parallel {{ llm_aux_parallel }} \
+    --metrics
+# NOTE: no --chat-template flag — let llama-server auto-detect Phi-4's own
+# embedded chat template from GGUF metadata (same reasoning as the existing
+# llm-inference role's Gemma unit: explicit overrides risk mismatching the
+# model's actual expected format).
+# NOTE: --host is the private LAN IP (10.1.71.130 by default), NOT 0.0.0.0 —
+# deliberate change from the pre-existing Gemma pattern (plan §5).
+Restart=on-failure
+RestartSec=10
+TimeoutStartSec=600
+StandardOutput=journal
+StandardError=journal
+SyslogIdentifier=llama-server-aux
+
+[Install]
+WantedBy=multi-user.target