Pre-set HSA_OVERRIDE_GFX_VERSION for Strix Halo ROCm detection

Ollama ROCm doesn't auto-detect newer AMD iGPUs (gfx1150/1151).
Setting HSA_OVERRIDE_GFX_VERSION=11.0.0 in the compose fixes this.
Configurable via .env for other AMD chips.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.env.example

@@ -26,3 +26,6 @@ CALLBACK_URL=                                # Seth's server (e.g. http://seth_i
 
 # Features
 ALLOW_MODEL_UPDATES=false    # Allow remote model push via /admin/update-model
+
+# AMD GPU (Strix Halo / newer chips that ROCm doesn't auto-detect)
+HSA_OVERRIDE_GFX_VERSION=11.0.0

docker-compose.yml

@@ -28,6 +28,7 @@ services:
       - /dev/dri:/dev/dri
     environment:
       - OLLAMA_HOST=0.0.0.0:11434
+      - HSA_OVERRIDE_GFX_VERSION=${HSA_OVERRIDE_GFX_VERSION:-11.0.0}
     # For NVIDIA, replace 'devices' above with:
     # deploy:
     #   resources: