Merge remote-tracking branch 'origin/docker-blackwell-build' into pr-jupyter-studio-ux

# Conflicts:
#	docker/Dockerfile

docker/unsloth_ipython_startup.py

@@ -16,6 +16,13 @@ try:
     import unsloth_nb_compat
 
     unsloth_nb_compat.register_ipython()
+
+    # Re-point the %pip / %uv line magics and `!python -m pip` at the same shim,
+    # so the in-process / module install paths cannot bypass the PATH shim and
+    # overwrite the baked torch/vLLM stack. Independent of the sidecar hook.
+    import unsloth_nb_pip_magic
+
+    unsloth_nb_pip_magic.register_ipython()
 except Exception as _e:  # never break a kernel because of the helper
     import sys
     print(f"[unsloth-nb] startup hook skipped: {_e!r}", file = sys.stderr)