docs(customization): convert Notes: list to a NOTE: callout paragraph

docs/verify-manual.py

@@ -665,6 +665,21 @@ def test_as_file_tree_rejects_non_trees():
         assert build_manual._as_file_tree(para) is None, f"{label} was wrongly treed"
 
 
+def test_customization_notes_render_as_aside():
+    """The real 07-customization.md NOTE paragraph converts to one intact <Aside>."""
+    import build_manual
+
+    path = Path(__file__).parent / "manual" / "07-customization.md"
+    _, body = mt.parse(path)
+    out = build_manual.prettify(body)
+    assert out.count('<Aside type="note" title="Note">') == 1, f"expected exactly one Note aside:\n{out}"
+    assert "- Command shadows (rm, cat, ls, ...) react immediately" in out
+    assert "- With aliases disabled, rm falls back to bare `command rm`" in out
+    assert "- Disabled integration commands (spwin, tab, split, hist, logs, upgrade)" in out
+    assert "- On CachyOS, the distro fish config's own aliases" in out
+    assert "</Aside>" in out
+
+
 def test_prettify_is_site_only():
     """The SSOT keeps the indented form the man-page pipeline depends on."""
     import build_manual