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+# Test Composed Model — verifies the [composed_model] mechanism (symlink
+# composition + bind-mount + model rewrite) without launching heavy vLLM.
+#
+# Uses alpine (like test-sleep/test-mods) with a heartbeat entrypoint that
+# first inspects the composed dir, then loops. Requires both model repos
+# cached on every node — the composed dir's symlinks point into the HF cache
+# (container-side /root/.cache/huggingface), so they only resolve inside the
+# container where the HF cache is mounted.
+# What this verifies:
+# 1. The composed dir is built on the node (/tmp/sm121_test-composed_<rank>/)
+# 2. MXFP4 base files are symlinked (config.json, tokenizer, etc.)
+# 3. Lloyd NF4 experts overlay the MXFP4 experts (L*.safetensors)
+# 4. The generated nf4_layers.json file is present
+# 5. The bind-mount makes /root/model/ accessible inside the container
+# 6. model= is rewritten to /root/model (visible in the docker run command)
+# Usage:
+# cargo run -- -d serve --recipe test-composed # dry-run: inspect cmd
+# cargo run serve --recipe test-composed # real: starts alpine
+# cargo run logs --recipe test-composed # see the composed dir listing
+
+engine = "vllm"
+name = "Test Composed Model"
+docker_image = "alpine:latest"
+model = "noop"
+[composed_model]
+mount = "/root/model"
+[[composed_model.sources]]
+repo = "aidendle94/GLM-5.2-MXFP4-Experts-GPTQ"
+repo = "aidendle94/GLM-5.2-NF4-Lloyd-Experts-GPTQ"
+glob = "L*.safetensors"
+glob = "grids/*.json"
+[[composed_model.files]]
+name = "nf4_layers.json"
+content = '{"layers":[3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77]}'
+entrypoint = ["sh", "-c", "echo '=== composed model test ===' && echo 'dir contents (first 15):' && ls /root/model/ | head -15 && echo '--- nf4_layers.json ---' && cat /root/model/nf4_layers.json && echo '' && echo '=== test OK ===' && i=0; while true; do echo \"$(date -u +%H:%M:%S) [$(hostname)] composed $i\"; i=$((i+1)); sleep 2; done"]
+args = []
+[env]
