Show pip progress bars during deploy instead of silent installs.

Replace -q with --progress-bar so dependency installation visibly continues in setup_env and update flows.

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

deploy/lib/common.sh

@@ -184,6 +184,39 @@ install_node_pm2() {
   log "PM2: $(pm2 -v)"
 }
 
+# pip 安装时显示进度条(避免 -q 静默导致用户以为卡死)
+pip_progress_bar_arg() {
+  if [[ -t 1 ]] || [[ -t 2 ]]; then
+    echo "on"
+  else
+    echo "ascii"
+  fi
+}
+
+pip_upgrade_tools() {
+  local pip_bin="$1"
+  local bar
+  bar="$(pip_progress_bar_arg)"
+  echo "  升级 pip ..."
+  "${pip_bin}" install -U pip setuptools wheel \
+    --disable-pip-version-check \
+    --progress-bar "${bar}"
+}
+
+pip_install_requirements() {
+  local pip_bin="$1"
+  local req_file="$2"
+  local label="${3:-依赖}"
+  local bar
+  bar="$(pip_progress_bar_arg)"
+  echo "  安装${label} (下方为 pip 进度) ..."
+  [[ -f "${req_file}" ]] || die "缺少依赖文件: ${req_file}"
+  "${pip_bin}" install -r "${req_file}" \
+    --disable-pip-version-check \
+    --progress-bar "${bar}"
+  echo "  ${label}安装完成"
+}
+
 install_backup_cron_all() {
   step "安装三所每日备份 cron"
   local dir