feat(post-output): add save-only and load-history endpoints

app/admin/controller/Post.php

@@ -436,6 +436,59 @@ class Post extends Common
         return json(['code' => 0, 'msg' => '保存成功', 'data' => ['output_id' => $output->id]]);
     }
 
+    /**
+     * 仅保存配置（不生成图片）
+     */
+    public function savePostOutputConfig()
+    {
+        $data = json_decode(file_get_contents('php://input'), true);
+        if (empty($data['post_id'])) {
+            return json(['code' => 500, 'msg' => '缺少文章ID']);
+        }
+
+        try {
+            $config = $data['config'] ?? [];
+            if (isset($data['content_html']) && !isset($config['content_html'])) {
+                $config['content_html'] = $data['content_html'];
+            }
+
+            $admin_id = session('admin_id') ?? 0;
+            $output = \app\common\tools\PhoneImage::saveConfigOnly((int) $data['post_id'], $config, (int) $admin_id);
+
+            return json(['code' => 0, 'msg' => '', 'data' => ['output_id' => $output->id]]);
+        } catch (\Exception $e) {
+            return json(['code' => 500, 'msg' => $e->getMessage()]);
+        }
+    }
+
+    /**
+     * 加载历史记录配置
+     */
+    public function loadPostOutputConfig()
+    {
+        $id = $this->request->param('id', 0);
+        if (empty($id)) {
+            return json(['code' => 500, 'msg' => '缺少ID']);
+        }
+
+        $output = \app\model\PostOutput::find((int) $id);
+        if (empty($output)) {
+            return json(['code' => 500, 'msg' => '记录不存在']);
+        }
+
+        $config = (array) $output->config;
+
+        return json([
+            'code' => 0,
+            'msg' => '',
+            'data' => [
+                'config' => $config,
+                'content_html' => $config['content_html'] ?? '',
+                'output_id' => $output->id,
+            ],
+        ]);
+    }
+
     /**
      * 删除输出记录
      */

app/common/tools/PhoneImage.php

@@ -212,4 +212,23 @@ class PhoneImage implements PostOutputManagerInterface
             'page_count' => $pageCount,
         ]) > 0;
     }
+
+    /**
+     * 仅保存配置（不生成图片），创建新的历史记录
+     * @param int $postId 文章ID
+     * @param array $config 配置(含 size/fontSize/watermark/pageAlignments/content_html)
+     * @param int $adminId 管理员ID
+     * @return PostOutput
+     */
+    public static function saveConfigOnly(int $postId, array $config, int $adminId): PostOutput
+    {
+        return PostOutput::create([
+            'post_id' => $postId,
+            'output_type' => 'phone_image',
+            'config' => $config,
+            'status' => PostOutput::STATUS_PROCESSING,
+            'page_count' => 0,
+            'admin_id' => $adminId,
+        ]);
+    }
 }