feat(statehub): publish railiance image

Dockerfile

@@ -20,10 +20,10 @@ with open("pyproject.toml", "rb") as f:
     project = tomllib.load(f)["project"]
 
 for dep in project["dependencies"]:
-    # llm-connect is currently a local editable test integration in this repo.
-    # The State Hub API/MCP runtime does not import it, and a container build
-    # must not depend on /home/worsch existing inside the image.
-    if dep == "llm-connect":
+    # llm-connect is a local editable test integration and must not be pulled
+    # into the production image. hub-core is runtime code, but it is installed
+    # from the named Docker build context below because it is not published yet.
+    if dep in {"llm-connect", "hub-core"}:
         continue
     print(dep)
 PY
@@ -31,6 +31,11 @@ PY
 RUN uv venv /app/.venv \
     && uv pip install --python /app/.venv/bin/python --no-cache -r /tmp/requirements.txt
 
+COPY --from=hub_core_src pyproject.toml /tmp/hub-core/pyproject.toml
+COPY --from=hub_core_src hub_core/ /tmp/hub-core/hub_core/
+
+RUN uv pip install --python /app/.venv/bin/python --no-cache /tmp/hub-core
+
 COPY alembic.ini ./
 COPY api/ ./api/
 COPY flows/ ./flows/