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-rw-r--r--docs/superpowers/plans/2026-09-11-rofi-unified-theme.md5
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diff --git a/docs/superpowers/plans/2026-09-11-rofi-unified-theme.md b/docs/superpowers/plans/2026-09-11-rofi-unified-theme.md
index 6ae386c..4b5ed8c 100644
--- a/docs/superpowers/plans/2026-09-11-rofi-unified-theme.md
+++ b/docs/superpowers/plans/2026-09-11-rofi-unified-theme.md
@@ -895,6 +895,11 @@ diff ~/.cache/wal/colors.json /tmp/udt-check/before-wallp.json && echo "ISOLATIO
Expected: the accent file reflects the restored wallpaper, and `ISOLATION OK` confirms the terminal palette did not move. **If the diff is non-empty, stop and investigate before continuing.**
+Note: `wallp` starts `swaybg` in the background, and it inherits the shell's
+stdout. A command substitution or a pipe will therefore appear to hang after
+`wallp` itself has finished. Redirect its output (`wallp --restore >/dev/null
+2>&1`) when calling it from a script or a captured shell.
+
- [ ] **Step 6: Commit**
```bash