release: bump version to 0.66.1

planet.sh

@@ -2172,6 +2172,8 @@ start_backend_with_retry() {
         : > "$BACKEND_LOG_FILE"
         BACKEND_PID="$(start_detached_command "$BACKEND_LOG_FILE" \
             env PYTHONPATH="$SCRIPT_DIR/backend" \
+            PLANET_CACHE_DIR="$PLANET_CACHE_DIR" \
+            PLANET_DOWNLOAD_CACHE_DIR="${PLANET_DOWNLOAD_CACHE_DIR:-$PLANET_CACHE_DIR/downloads}" \
             uv run --frozen --project "$SCRIPT_DIR" python -m uvicorn app.main:app \
             --host "$backend_bind_host" --port "$backend_port" --reload)"
         write_pid_file "$BACKEND_PID_FILE" "$BACKEND_PID"
@@ -3780,8 +3782,11 @@ remove_planet_build_state() {
         "$SCRIPT_DIR/frontend/node_modules" \
         "$SCRIPT_DIR/frontend/dist" \
         "$SCRIPT_DIR/frontend/dist-ssr" \
-        "$PLANET_STATE_DIR" \
-        "$PLANET_CACHE_DIR"
+        "$PLANET_STATE_DIR"
+
+    if [ -d "$PLANET_CACHE_DIR" ]; then
+        find "$PLANET_CACHE_DIR" -mindepth 1 -maxdepth 1 ! -name downloads -exec rm -rf {} +
+    fi
 
     find "$SCRIPT_DIR" \
         \( -path "$SCRIPT_DIR/.git" -o -path "$SCRIPT_DIR/frontend/node_modules" -o -path "$SCRIPT_DIR/node_modules" \) -prune \
@@ -3815,7 +3820,7 @@ destroy() {
     log_success "本地编译和运行状态已清理"
 
     log_success "destroy 完成"
-    log_note "已保留源码和 .env 配置文件；重新开始可执行 ./planet.sh init"
+    log_note "已保留源码、.env 配置文件和上游原始下载缓存；重新开始可执行 ./planet.sh init"
 }
 
 stop_local_services_for_restart() {