Fix bare worktree submodule clone and host AI startup wait on deploy.

Co-authored-by: Cursor <cursoragent@cursor.com>

git_fetch_all.sh

@@ -52,10 +52,39 @@ if [[ ${#SUBMODULE_PATHS[@]} -eq 0 ]]; then
 fi
 
 if $INIT && ! $DRY_RUN; then
-  log "submodule init..."
-  git submodule update --init --recursive
+  log "submodule init (direct clone)..."
 fi
 
+resolve_monorepo_git_dir() {
+  if [[ -n "${GIT_DIR:-}" && -d "${GIT_DIR}" ]]; then
+    echo "${GIT_DIR}"
+  elif git -C "${ROOT_DIR}" rev-parse --git-dir >/dev/null 2>&1; then
+    git -C "${ROOT_DIR}" rev-parse --git-dir
+  fi
+}
+
+submodule_pinned_sha() {
+  local path="$1"
+  local git_dir
+  git_dir="$(resolve_monorepo_git_dir || true)"
+  [[ -n "${git_dir}" ]] || return 0
+  git --git-dir="${git_dir}" ls-tree HEAD "${path}" 2>/dev/null | awk '{print $3}'
+}
+
+clone_submodule_repo() {
+  local path="$1" url="$2" branch="$3"
+  local target="${ROOT_DIR}/${path}"
+  local sha
+
+  sha="$(submodule_pinned_sha "${path}" || true)"
+  log "    clone ${url} → ${path} (branch=${branch})"
+  rm -rf "${target}"
+  git clone --branch "${branch}" --single-branch "${url}" "${target}"
+  if [[ -n "${sha}" ]]; then
+    git -C "${target}" checkout "${sha}" 2>/dev/null || true
+  fi
+}
+
 restore_monorepo_overlays() {
   if [[ -f "${ROOT_DIR}/local-dev/docker-compose.rag.local.yml" ]]; then
     cp "${ROOT_DIR}/local-dev/docker-compose.rag.local.yml" \
@@ -86,7 +115,7 @@ fetch_one() {
       return 0
     fi
     if $INIT; then
-      git submodule update --init "${path}"
+      clone_submodule_repo "${path}" "${url}" "${branch}"
     else
       warn "${path} — submodule 미초기화. --init 옵션 사용"
       return 1