fix: host_vars filenames, include_vars by ansible_hostname

host_vars/hulkbuster.yml

@@ -0,0 +1,35 @@
+---
+# Mark44 (Hulkbuster) — Heavy GPU compute node
+node_type: gpu_heavy
+has_gpu: true
+gpu_type: nvidia
+gpu_model: "RTX 4070"
+vram_mb: 12282
+
+# GPU-specific packages
+extra_packages:
+  - nvidia-driver             # NVIDIA driver (if not already installed via proprietary)
+  - cuda-toolkit              # CUDA toolkit for ML workloads
+  - nvtop                     # GPU monitoring (better than nvidia-smi for live view)
+  - nethogs                   # Network per-process monitoring
+  - iotop                     # I/O per-process monitoring
+
+# Ollama models — largest VRAM headroom, can run big models
+ollama_models:
+  - gemma4:e4b               # Already pulled — keep it
+  - qwen2.5-coder:14b        # Primary coding model
+  - qwen2.5:14b             # General purpose large model
+  - mistral:7b               # Fallback fast model
+
+# Services
+managed_services:
+  - name: ollama
+    enabled: true
+  - name: open-webui
+    enabled: true
+  - name: hermes-gateway
+    enabled: true
+
+# Ollama port override (standard)
+ollama_port: 11434
+open_webui_port: 8080