📦 deps(superpowers): vendor snapshot

superpowers/skills/brainstorming/visual-companion.md

@@ -83,7 +83,8 @@ Use `--url-host` to control what hostname is printed in the returned URL JSON.
 
 ## The Loop
 
-1. **Write HTML** to a new file in `screen_dir`:
+1. **Check server is alive**, then **write HTML** to a new file in `screen_dir`:
+   - Before each write, check that `$SCREEN_DIR/.server-info` exists. If it doesn't (or `.server-stopped` exists), the server has shut down — restart it with `start-server.sh` before continuing. The server auto-exits after 30 minutes of inactivity.
    - Use semantic filenames: `platform.html`, `visual-style.html`, `layout.html`
    - **Never reuse filenames** — each screen gets a fresh file
    - Use Write tool — **never use cat/heredoc** (dumps noise into terminal)