[Fix] cleanup

common/.config/fish/conf.d/fnm.fish

@@ -0,0 +1,7 @@
+# fnm — single init for all hosts (config.fish must NOT source fnm again:
+# every `fnm env | source` mints a fresh multishell dir onto PATH).
+# fnm may be pacman-installed (on PATH) or self-installed under ~/.local/share/fnm.
+test -d "$HOME/.local/share/fnm"; and fish_add_path -g "$HOME/.local/share/fnm"
+if command -q fnm
+    fnm env --use-on-cd --version-file-strategy local --shell fish | source
+end