fix: quote kernels repair package spec

tests/test_cookbook_diagnosis_js.py

@@ -0,0 +1,12 @@
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parent.parent
+DIAGNOSIS_JS = ROOT / "static" / "js" / "cookbook-diagnosis.js"
+
+
+def test_repair_kernels_pip_spec_is_shell_quoted():
+    source = DIAGNOSIS_JS.read_text(encoding="utf-8")
+
+    assert '"kernels<0.15"' in source
+    assert " --break-system-packages kernels<0.15" not in source