fix kiwix crash-loop when no ZIM files present

Replace subshell ls expansion (which produces no args when /data is empty)
with a conditional: serve ZIM files if they exist, otherwise sleep infinity
so the container stays up gracefully until ZIM files are added.

https://claude.ai/code/session_012gDnantBmFTWZGCiKyjazx

laptop_full_setup.sh

@@ -938,7 +938,7 @@ ${OLLAMA_VOLUME_LINE}
     volumes:
       - $KIWIX_DIR:/data
     entrypoint: ["sh", "-c"]
-    command: ["exec kiwix-serve $(ls /data/*.zim 2>/dev/null | tr '\\n' ' ')"]
+    command: ["ls /data/*.zim >/dev/null 2>&1 && exec kiwix-serve /data/*.zim || { echo 'No ZIM files in /data yet - sleeping. Add .zim files and restart kiwix.'; exec sleep infinity; }"]
 
   # ── Gitea — Self-hosted Git ─────────────────────────────────────────────────
   gitea:

local-ai-setup.sh

@@ -625,7 +625,7 @@ services:
     ports: ["0.0.0.0:8181:8080"]
     volumes: [$BASE/kiwix:/data]
     entrypoint: ["sh", "-c"]
-    command: ["exec kiwix-serve $(ls /data/*.zim 2>/dev/null | tr '\\n' ' ')"]
+    command: ["ls /data/*.zim >/dev/null 2>&1 && exec kiwix-serve /data/*.zim || { echo 'No ZIM files in /data yet - sleeping. Add .zim files and restart kiwix.'; exec sleep infinity; }"]
 
   gitea:
     image: gitea/gitea:latest