jj: don't sweep mutable commits
diff --git a/.config/jj/config.toml b/.config/jj/config.toml
index 025c32ed..6fe98309 100644
--- a/.config/jj/config.toml
+++ b/.config/jj/config.toml
@@ -170,7 +170,7 @@ bookmark-advance-from = 'heads(::to & bookmarks() & ~bookmarks(exact:"mm"))'
[aliases]
accuse = ["file", "annotate"]
jj = []
-sweep = ["abandon", 'trunk():: & empty() & ~bookmarks(exact:"mm") & mine()']
+sweep = ["abandon", 'trunk():: & empty() & ~bookmarks(exact:"mm") & mine() & mutable()']
stack = ["util", "exec", "--", "bash", "-c", """
jj rebase \
--insert-after 'trunk()' \