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

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

server-dev/start-all-server.sh

@@ -161,6 +161,9 @@ sync_source_from_git() {
       fail "브랜치 없음: ${branch} (GIT_DIR=${GIT_DIR})"
     fi
     git --work-tree="${tree}" --git-dir="${GIT_DIR}" checkout -f "${branch}"
+    if [[ ! -e "${tree}/.git" ]]; then
+      echo "gitdir: ${GIT_DIR}" > "${tree}/.git"
+    fi
     sync_github_submodules "${tree}" || true
     local commit
     commit="$(git --git-dir="${GIT_DIR}" rev-parse --short HEAD)"
@@ -252,6 +255,16 @@ ensure_host_ai() {
   if host_ai_ready; then
     return 0
   fi
+  log "호스트 AI 기동 대기 (최대 120s)..."
+  local i=0
+  while (( i < 120 )); do
+    if host_ai_ready; then
+      log "✅ 호스트 AI 준비 완료"
+      return 0
+    fi
+    sleep 5
+    i=$((i + 5))
+  done
   if curl -sf --max-time 3 "http://127.0.0.1:${LLM_PORT}/v1/models" >/dev/null 2>&1; then
     log "⚠️  LLM만 응답 (Embed/Rerank 미기동) — degraded 모드로 계속"
     return 0