fix(web): 修复 .soon/模板加载、旧文件兼容与另存为离开提示

- 删除 design1 ui 遗留代码，修复加载竞态与新建不弹保存提示
- cloud-files 归一化旧版 .soon，IndexedDB 写入完成后再跳转设计页
- 模板/本地 .soon 首次保存须另存为，离开前统一确认
- 发版缓存 bust（version.js、soon-cache.js）及宝塔 Nginx 配置文档

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

frontend-web/js/design2/output.js

@@ -1171,6 +1171,7 @@ function cleanupSrcFields(jsonObjects, objsArray) {
 function applyCloudWriteResult(result, fallbackName) {
   if (result && result.fileKey) {
     openAs.name = result.fileKey;
+    if (typeof window.soonMarkSaveInPlace === 'function') window.soonMarkSaveInPlace(result.fileKey);
     return result.fileKey;
   }
   return fallbackName;
@@ -1272,6 +1273,7 @@ function saveAs(op1, callback) {
             if (fs) {
                 fs.writeFileSync(fp, content, 'utf8');
                 openAs.name = fp;
+                if (typeof window.soonMarkSaveInPlace === 'function') window.soonMarkSaveInPlace(openAs.name);
                 if (typeof window.soonToast === 'function') window.soonToast(language_str('saveSucc') + openAs.name, 'success');
                 else layer.msg(language_str('saveSucc') + openAs.name, { shade: 0 });
                 saveHistory();
@@ -1357,6 +1359,7 @@ function save(op1, callback) {
             if (fs) {
                 fs.writeFileSync(fp, content, 'utf8');
                 openAs.name = fp;
+                if (typeof window.soonMarkSaveInPlace === 'function') window.soonMarkSaveInPlace(openAs.name);
                 if (typeof window.soonToast === 'function') window.soonToast(language_str('saveSucc') + openAs.name, 'success');
                 else layer.msg(language_str('saveSucc') + openAs.name, { shade: 0 });
                 saveHistory();
@@ -1429,9 +1432,18 @@ function saveHistory() {
 // 使用 window.openFile 避免与浏览器原生的 window.open 冲突
 window.openFile = function open(file, jAlready) {
     if (!file) return;
+    if (typeof window.soonOnOpenDesignFile === 'function') window.soonOnOpenDesignFile(file);
     if (typeof window.soonBindFileMeta === 'function') window.soonBindFileMeta(file);
     function doOpenWithJson(j) {
-        if (!j || !background_image) {
+        if (typeof window.soonNormalizeSoonJson === 'function') {
+            j = window.soonNormalizeSoonJson(j);
+        }
+        if (!j) {
+            if (typeof window.soonReportOpenLoadError === 'function') window.soonReportOpenLoadError('模板/文件加载失败');
+            return;
+        }
+        function runOpen() {
+        if (!background_image) {
             if (typeof window.soonReportOpenLoadError === 'function') window.soonReportOpenLoadError('模板/文件加载失败');
             return;
         }
@@ -1636,6 +1648,14 @@ window.openFile = function open(file, jAlready) {
         canvas2Loaded = true
         saveInitialState()
     })
+    }
+        if (typeof window.soonRunWhenDesignBgReady === 'function') {
+            window.soonRunWhenDesignBgReady(runOpen, function () {
+                if (typeof window.soonReportOpenLoadError === 'function') window.soonReportOpenLoadError('模板/文件加载失败');
+            });
+        } else {
+            runOpen();
+        }
     }
     if (arguments.length >= 2 && jAlready) {
         doOpenWithJson(jAlready);