feat: AI 生图、图片下载优化

start.command

@@ -24,17 +24,60 @@ if [[ ! -f .env ]]; then
   exit 1
 fi
 
+# ---- 采集插件（extensions/collector）：启动时构建一次，之后监听代码改动自动重建 ----
+# 产物 .output/chrome-mv3 由 Chrome 以解压方式加载；重建后仍需去 chrome://extensions 点刷新
+COLLECTOR_WATCH_PID=""
+COLLECTOR_STAMP="$(mktemp -u /tmp/osk-collector-stamp.XXXXXX)"
+watch_collector() {
+  touch "$COLLECTOR_STAMP"
+  while true; do
+    sleep 3
+    if [[ -n "$(find extensions/collector/src extensions/collector/wxt.config.ts -newer "$COLLECTOR_STAMP" -print 2>/dev/null)" ]]; then
+      touch "$COLLECTOR_STAMP"
+      echo "🔧 检测到插件代码改动，重新构建…"
+      if pnpm -C extensions/collector build >/dev/null 2>&1; then
+        echo "✅ 采集插件已重建（$(date +%H:%M:%S)），去 chrome://extensions 点刷新生效"
+      else
+        echo "⚠️  采集插件重建失败（$(date +%H:%M:%S)）：可手动跑 pnpm -C extensions/collector build 看报错"
+      fi
+    fi
+  done
+}
+
+if [[ ! -d extensions/collector ]]; then
+  echo "⚠️  未找到 extensions/collector，跳过采集插件构建"
+elif ! command -v pnpm >/dev/null 2>&1; then
+  echo "⚠️  未找到 pnpm，本次跳过采集插件构建（可手动：pnpm -C extensions/collector build）"
+elif ! CI=true pnpm -C extensions/collector install --silent; then
+  echo "⚠️  采集插件依赖安装失败，本次跳过构建"
+else
+  echo "正在构建采集插件…"
+  if pnpm -C extensions/collector build; then
+    echo "采集插件已构建：extensions/collector/.output/chrome-mv3"
+  else
+    echo "⚠️  采集插件构建失败，继续启动服务（可手动重试：pnpm -C extensions/collector build）"
+  fi
+  watch_collector &
+  COLLECTOR_WATCH_PID=$!
+fi
+echo
+
 # ---- 同步并启动前端（studio：Vite 开发服务器，/api 代理到后端 8800）----
 STUDIO_PID=""
-stop_studio() {
+cleanup() {
   if [[ -n "$STUDIO_PID" ]] && kill -0 "$STUDIO_PID" 2>/dev/null; then
     kill "$STUDIO_PID" 2>/dev/null
     sleep 0.2
     # 兜底：确保 vite 及其子进程退出
     lsof -ti :8900 | xargs kill 2>/dev/null
   fi
+  if [[ -n "$COLLECTOR_WATCH_PID" ]] && kill -0 "$COLLECTOR_WATCH_PID" 2>/dev/null; then
+    pkill -P "$COLLECTOR_WATCH_PID" 2>/dev/null   # 可能正在跑的 build 子进程
+    kill "$COLLECTOR_WATCH_PID" 2>/dev/null
+  fi
+  rm -f "$COLLECTOR_STAMP" 2>/dev/null
 }
-trap stop_studio EXIT
+trap cleanup EXIT
 
 if ! command -v pnpm >/dev/null 2>&1; then
   echo "⚠️  未找到 pnpm，本次跳过 studio 前端（可手动：cd studio && pnpm dev）"