Enhance week report generation by adding image appendix feature. Implemented a new method to build an images section at the end of the report, which includes task images and descriptions. Cleaned up unused placeholders and improved formatting for better readability.

app/Http/Controllers/WeekReportController.php

@@ -228,6 +228,7 @@ PROMPT;
      */
     private function insertImagesToReport(string $report, array $tasks): string
     {
+        // 首先尝试替换AI生成的占位符
         foreach ($tasks as $index => $task) {
             $num = $index + 1;
 
@@ -263,9 +264,53 @@ PROMPT;
         // 清理可能产生的多余空行
         $report = preg_replace('/\n{3,}/', "\n\n", $report);
 
+        // 收集所有有图片的任务，并在报告末尾添加截图附录
+        $imagesSection = $this->buildImagesSection($tasks);
+        if (!empty($imagesSection)) {
+            $report .= $imagesSection;
+        }
+
         return $report;
     }
 
+    /**
+     * 构建图片附录部分
+     */
+    private function buildImagesSection(array $tasks): string
+    {
+        $images = [];
+
+        foreach ($tasks as $index => $task) {
+            if (!empty($task['image'])) {
+                $num = $index + 1;
+                $imageUrl = asset('storage/' . $task['image']);
+                // 提取任务描述的前30个字符作为图片说明
+                $desc = mb_substr(trim($task['description']), 0, 50);
+                if (mb_strlen(trim($task['description'])) > 50) {
+                    $desc .= '...';
+                }
+                $images[] = [
+                    'num' => $num,
+                    'url' => $imageUrl,
+                    'desc' => $desc,
+                ];
+            }
+        }
+
+        if (empty($images)) {
+            return '';
+        }
+
+        $section = "\n\n---\n\n## 附：任务截图\n\n";
+
+        foreach ($images as $img) {
+            $section .= "**任务{$img['num']}**: {$img['desc']}\n\n";
+            $section .= "![任务{$img['num']}截图]({$img['url']})\n\n";
+        }
+
+        return $section;
+    }
+
     /**
      * 下载Markdown格式
      */