feat(phone-image): Wave2 CSS样式+自动保存+历史加载

- T4: 新增编辑器区/操作栏/弹框CSS样式(390行)，覆盖两栏布局、
  wangeditor编辑区排版、divider分页标记、设置弹框、右侧预览区
- T5: onChange自动保存(2.6s防抖)，保存状态指示器(waiting/saving/saved/error)
- T6: loadFromHistory改用editor.setHtml()+updateConfig()替换旧init
- 修复: doAutoSave删除无效递归调用

public/static/css/phone-image-templates.css

@@ -608,3 +608,393 @@
 .content-flow-block th { background-color: #f0f0f0; font-weight: bold; padding: 8px 10px; border: 1px solid #ddd; text-align: left; }
 .content-flow-block td { padding: 8px 10px; border: 1px solid #ddd; }
 .content-flow-block tr:nth-child(even) td { background-color: #f9f9f9; }
+
+/* ============================================
+   Page Layout Shell (页面布局外壳)
+   两栏布局：左侧编辑器 + 右侧预览
+   这些样式替代 phone-image.html 中的 inline style
+   ============================================ */
+
+/* --- 顶部操作栏（限定 body > 直接子元素，避免与模板 .page-header 冲突） --- */
+body > .page-header {
+    background: #fff;
+    padding: 10px 20px;
+    border-bottom: 1px solid #e8e8e8;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    height: 52px;
+    box-sizing: border-box;
+    z-index: 100;
+    position: relative;
+}
+
+body > .page-header-left {
+    display: flex;
+    align-items: center;
+    gap: 10px;
+}
+
+body > .page-header-left h3 {
+    margin: 0;
+    font-size: 16px;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    max-width: 300px;
+    color: var(--pi-color-text);
+}
+
+body > .page-header-right {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+}
+
+/* 操作栏按钮统一样式 */
+body > .page-header-right .layui-btn {
+    font-size: 13px;
+    border-radius: 2px;
+}
+
+body > .page-header-right .layui-btn i {
+    font-size: 13px;
+    margin-right: 3px;
+}
+
+/* 按钮组去掉多余边框 */
+body > .page-header-right .layui-btn-group {
+    margin: 0;
+    vertical-align: middle;
+}
+
+body > .page-header-right .layui-btn-group .layui-btn {
+    border-radius: 0;
+    margin: 0;
+}
+
+body > .page-header-right .layui-btn-group .layui-btn:first-child {
+    border-radius: 2px 0 0 2px;
+}
+
+body > .page-header-right .layui-btn-group .layui-btn:last-child {
+    border-radius: 0 2px 2px 0;
+}
+
+/* 返回按钮 */
+body > .page-header-left .layui-btn-primary:hover {
+    color: var(--pi-color-accent);
+    border-color: var(--pi-color-accent);
+}
+
+/* 主操作按钮 hover */
+body > .page-header-right .layui-btn-normal:hover {
+    opacity: 0.85;
+}
+
+body > .page-header-right .layui-btn:not(.layui-btn-primary):not(.layui-btn-normal):hover {
+    opacity: 0.9;
+}
+
+/* 更多下拉菜单可读性优化 */
+.layui-dropdown-menu {
+    min-width: 130px;
+    font-size: 13px;
+}
+
+.layui-dropdown-menu li {
+    padding: 8px 16px;
+    cursor: pointer;
+    transition: background 0.15s;
+}
+
+.layui-dropdown-menu li:hover {
+    background: rgba(24, 144, 255, 0.06);
+    color: var(--pi-color-accent);
+}
+
+/* --- 主布局两栏 --- */
+.main-layout {
+    display: flex;
+    height: calc(100vh - 52px);
+}
+
+/* ============================================
+   Editor Area (wangeditor 编辑区)
+   左侧编辑栏容器与工具栏
+   ============================================ */
+
+.content-flow-area {
+    width: 540px;
+    overflow-y: auto;
+    border-right: 1px solid #e8e8e8;
+    background: #fafafa;
+    flex-shrink: 0;
+}
+
+#editor-toolbar {
+    width: 540px;
+    border-bottom: 1px solid #e8e8e8;
+    background: #fff;
+    position: sticky;
+    top: 0;
+    z-index: 10;
+    box-sizing: border-box;
+}
+
+#editor-text-area {
+    width: 540px;
+    min-height: 300px;
+    padding: 10px;
+    background: #fff;
+    box-sizing: border-box;
+}
+
+/* ============================================
+   Editor Content Typography (编辑器内排版样式)
+   与截图输出区域（staging）的视觉保持一致
+   作用域: #editor-text-area 内部元素
+   ============================================ */
+
+#editor-text-area {
+    font-family: var(--pi-font-family);
+    font-size: var(--pi-font-size-base);
+    line-height: var(--pi-line-height);
+    color: var(--pi-color-text);
+}
+
+/* 编辑区标题字号 — 与 .page-content h2~h6 对齐 */
+#editor-text-area h1 {
+    font-size: 22px;
+    font-weight: bold;
+    letter-spacing: 1px;
+    margin-top: 24px;
+    margin-bottom: 12px;
+    color: var(--pi-color-text);
+    line-height: 1.4;
+}
+
+#editor-text-area h2 {
+    font-weight: normal;
+    font-size: 18px;
+    letter-spacing: 1px;
+    margin-top: 24px;
+    margin-bottom: 12px;
+    color: #333;
+}
+
+#editor-text-area h3 {
+    font-weight: normal;
+    font-size: 16px;
+    margin-top: 20px;
+    margin-bottom: 10px;
+    color: #555;
+}
+
+#editor-text-area h4 {
+    font-size: 14px;
+    font-weight: bold;
+    margin-top: var(--pi-spacing-sm);
+    margin-bottom: 5px;
+}
+
+#editor-text-area h5 {
+    font-size: 13px;
+    font-weight: bold;
+    margin-top: var(--pi-spacing-sm);
+    margin-bottom: 5px;
+}
+
+#editor-text-area h6 {
+    font-size: 12px;
+    font-weight: bold;
+    margin-top: var(--pi-spacing-sm);
+    margin-bottom: 5px;
+    color: var(--pi-color-text-light);
+}
+
+/* 编辑区段落 */
+#editor-text-area p {
+    text-indent: 2em;
+    margin-bottom: 16px;
+    color: #333;
+}
+
+/* 编辑区图片 */
+#editor-text-area img {
+    max-width: 100% !important;
+    height: auto !important;
+    display: block;
+    margin: 10px 0;
+}
+
+/* 编辑区表格 */
+#editor-text-area table {
+    width: 100%;
+    border-collapse: collapse;
+    margin: 10px 0;
+    font-size: 13px;
+}
+
+#editor-text-area th {
+    background-color: #f0f0f0;
+    font-weight: bold;
+    padding: 8px 10px;
+    border: 1px solid #ddd;
+    text-align: left;
+}
+
+#editor-text-area td {
+    padding: 8px 10px;
+    border: 1px solid #ddd;
+}
+
+#editor-text-area tr:nth-child(even) td {
+    background-color: #f9f9f9;
+}
+
+/* 编辑区代码块 */
+#editor-text-area pre {
+    background: #f5f5f5;
+    border: 1px solid #e0e0e0;
+    border-radius: 4px;
+    padding: 12px;
+    overflow-x: auto;
+    font-size: 13px;
+    line-height: 1.6;
+    margin: 10px 0;
+}
+
+#editor-text-area code {
+    font-family: 'Courier New', Consolas, monospace;
+    font-size: 13px;
+}
+
+#editor-text-area pre code {
+    background: none;
+    border: none;
+    padding: 0;
+}
+
+/* 编辑区引用 */
+#editor-text-area blockquote {
+    border-left: 1px solid #ccc;
+    font-style: normal;
+    color: #888;
+    padding-left: 15px;
+    margin: var(--pi-spacing-sm) 0;
+}
+
+/* 编辑区列表 */
+#editor-text-area ul,
+#editor-text-area ol {
+    padding-left: var(--pi-spacing);
+    margin-bottom: var(--pi-spacing-sm);
+}
+
+#editor-text-area li {
+    margin-bottom: 5px;
+}
+
+/* ============================================
+   Divider / 分割线视觉样式 (wangeditor divider)
+   在编辑器中显示为分页标记提示
+   ============================================ */
+
+/* wangeditor divider 元素 — 虚线分页标记 */
+.content-flow-area [data-w-e-type="divider"],
+#editor-text-area [data-w-e-type="divider"],
+#editor-text-area hr.w-e-textarea-divider,
+#editor-text-area hr {
+    border: none;
+    border-top: 2px dashed var(--pi-color-accent);
+    margin: 15px 0;
+    padding: 8px 0;
+    text-align: center;
+    position: relative;
+    height: 0;
+    background: transparent;
+    clear: both;
+}
+
+/* 分页标记文字提示（通过 ::after 伪元素）
+   注意: wangeditor divider 是 void 元素，::after 可能不生效
+   如不生效需在 JS 中插入额外 span 提示元素 */
+.content-flow-area [data-w-e-type="divider"]::after,
+#editor-text-area [data-w-e-type="divider"]::after,
+#editor-text-area hr.w-e-textarea-divider::after,
+#editor-text-area hr::after {
+    content: '-- 分页标记 --';
+    display: inline-block;
+    font-size: 12px;
+    color: var(--pi-color-accent);
+    background: #fafafa;
+    padding: 0 10px;
+    position: relative;
+    top: -8px;
+    line-height: 1.8;
+}
+
+/* 分割线 hover 高亮（编辑态） */
+.content-flow-area [data-w-e-type="divider"]:hover,
+#editor-text-area [data-w-e-type="divider"]:hover,
+#editor-text-area hr.w-e-textarea-divider:hover,
+#editor-text-area hr:hover {
+    border-color: #40a9ff;
+}
+
+/* ============================================
+   Settings Dialog (设置弹框表单样式)
+   ============================================ */
+
+.settings-form {
+    padding: 20px 20px 0;
+}
+
+.settings-form .layui-form-item {
+    margin-bottom: 15px;
+}
+
+.settings-form .layui-form-label {
+    width: 60px;
+    font-size: 13px;
+    color: var(--pi-color-text-light);
+}
+
+.settings-form .layui-input-block {
+    margin-left: 90px;
+}
+
+.settings-form .layui-input {
+    border-radius: 2px;
+    font-size: 13px;
+}
+
+.settings-form .layui-select {
+    border-radius: 2px;
+}
+
+.settings-form .layui-form-select dl {
+    font-size: 13px;
+}
+
+/* ============================================
+   Preview Area (右侧预览区域)
+   ============================================ */
+
+.paginated-preview-area {
+    flex: 1;
+    overflow-x: auto;
+    overflow-y: hidden;
+    padding: 20px;
+    background: #f5f5f5;
+}
+
+#paginated-preview {
+    display: flex;
+    flex-direction: row;
+    align-items: flex-start;
+    gap: 20px;
+    height: 100%;
+    padding: 0 10px;
+}

view/admin/post/phone_image.html

@@ -198,8 +198,17 @@
                 }
             };
 
+            var autoSaveTimer = null;
+            var autoSaveLock = false;
+
             editorConfig.onChange = function (editor) {
-                // T5会实现自动保存
+                // 自动保存：2.6s 防抖
+                clearTimeout(autoSaveTimer);
+                autoSaveLock = true;
+                updateSaveState('waiting');
+                autoSaveTimer = setTimeout(function () {
+                    doAutoSave();
+                }, 2600);
             };
 
             // 粘贴处理：处理外部图片下载
@@ -369,10 +378,45 @@
                 align: 'right'
             });
 
+            // ========== 自动保存相关函数 ==========
+            function updateSaveState(state) {
+                var $state = $('#save-state');
+                if (!$state.length) return;
+                switch(state) {
+                    case 'waiting': $state.text('等待保存...').css('color', '#e6a23c'); break;
+                    case 'saving': $state.text('保存中...').css('color', '#409eff'); break;
+                    case 'saved': $state.text('已保存').css('color', '#67c23a'); break;
+                    case 'error': $state.text('保存失败').css('color', '#f56c6c'); break;
+                }
+            }
+
+            function doAutoSave() {
+                if (autoSaveLock) {
+                    autoSaveLock = false;
+                    updateSaveState('saving');
+                    PhoneImageEngine.saveConfig(postData.postId, {
+                        size: currentConfig.size,
+                        watermark: currentConfig.watermark,
+                        content_html: PhoneImageEngine.getContentHtml()
+                    }, saveConfigUrl).then(function (data) {
+                        if (data.output_id) lastOutputId = data.output_id;
+                        updateSaveState('saved');
+                    }).catch(function (err) {
+                        updateSaveState('error');
+                    });
+                }
+            }
+
+            // ========== 保存状态指示器 ==========
+            $('<span id="save-state" style="font-size:12px;color:#999;">已保存</span>').insertAfter('#btn-generate');
+
             // ========== 保存配置（不生成图片） ==========
             $('#btn-save').click(function () {
                 var btn = $(this);
                 btn.prop('disabled', true);
+                // 清除自动保存定时器，避免冲突
+                clearTimeout(autoSaveTimer);
+                autoSaveLock = false;
                 layer.msg('保存中...');
 
                 PhoneImageEngine.saveConfig(postData.postId, {
@@ -383,8 +427,10 @@
                     if (data.output_id) lastOutputId = data.output_id;
                     $('#post-content-html').html(PhoneImageEngine.getContentHtml());
                     layer.msg('保存成功');
+                    updateSaveState('saved');
                 }).catch(function (err) {
                     layer.msg('保存失败: ' + err);
+                    updateSaveState('error');
                 }).always(function () {
                     setTimeout(function () { btn.prop('disabled', false); }, 2000);
                 });
@@ -504,9 +550,9 @@
 
                     var cfg = res.data.config || {};
 
-                    // 更新 postData 中的 contentHtml
-                    if (res.data.content_html) {
-                        postData.contentHtml = res.data.content_html;
+                    // 用 setHtml 将历史内容加载到 wangeditor
+                    if (res.data.content_html && window.phoneImageEditor) {
+                        window.phoneImageEditor.setHtml(res.data.content_html);
                     }
 
                     // 构建历史配置
@@ -522,8 +568,8 @@
                     lastOutputId = outputId;
                     layer.closeAll();
 
-                    // 全量初始化引擎（加载历史是新内容，需要完整初始化）
-                    PhoneImageEngine.init(postData, historyConfig);
+                    // 更新引擎配置并重新渲染
+                    PhoneImageEngine.updateConfig(historyConfig);
                     var loadIdx3 = layer.load();
                     PhoneImageEngine.render().then(function (pages) {
                         layer.close(loadIdx3);