chore(sync): extend post-commit hook trigger to .claude-sync.conf and sync script

.githooks/post-commit

@@ -34,6 +34,7 @@ configured="$(awk '
 match=0
 while IFS= read -r cfile; do
   [ -z "${cfile}" ] && continue
+  case "${cfile}" in .claude-sync.conf|scripts/sync-claude-docs.sh) match=1; break ;; esac
   while IFS= read -r conf_path; do
     [ -z "${conf_path}" ] && continue
     if [ "${cfile}" = "${conf_path}" ]; then