fix(strixhalo): bake ray-serve-apps into image, revert to --no-deps

The Ray runtime_env pip virtualenv shadows /opt/venv, causing vllm to be
imported from a PyPI install instead of the source-built one. Baking
ray-serve-apps directly into the image avoids the virtualenv entirely.

dockerfiles/Dockerfile.ray-worker-strixhalo

@@ -206,6 +206,15 @@ RUN --mount=type=cache,target=/root/.cache/uv \
         'grpcio>=1.60.0' \
         'protobuf>=4.25.0'
 
+# ── Ray Serve application package ──────────────────────────────────────
+# Baked into the image so the LLM serve app can use the source-built vllm
+# from /opt/venv instead of a pip runtime_env virtualenv (which would
+# shadow it with a PyPI vllm that lacks ROCm support).
+RUN --mount=type=cache,target=/root/.cache/uv \
+    uv pip install --python /opt/venv/bin/python3 \
+        --extra-index-url https://git.daviestechlabs.io/api/packages/daviestechlabs/pypi/simple/ \
+        'ray-serve-apps==1.0.1+10'
+
 # ── Verify vendor torch survived ───────────────────────────────────────
 # Fail early if any install step accidentally replaced the vendor torch.
 RUN python3 -c "\