Implement scene-based chapter quest progression

public/generated-qwen-sprites/_drafts/master/qwen-master-1775618002500/job.json

@@ -0,0 +1,20 @@
+{
+  "draftId": "qwen-master-1775618002500",
+  "kind": "master",
+  "model": "qwen-image-2.0",
+  "size": "1024*1024",
+  "promptText": "Q版大头身少女冒险者，头部占比更大，约 2 到 3 头身，站立待机，侧身朝右，单人，全身，纯色浅背景。",
+  "negativePrompt": "多角色，复杂背景，左朝向，半身像，脚被裁切，武器消失",
+  "promptExtend": false,
+  "candidateCount": 1,
+  "referenceImageCount": 0,
+  "drafts": [
+    {
+      "id": "qwen-master-1775618002500-1",
+      "label": "主图 1",
+      "imageSrc": "/generated-qwen-sprites/_drafts/master/qwen-master-1775618002500/candidate-01.png",
+      "remoteUrl": "https://dashscope-7c2c.oss-accelerate.aliyuncs.com/7d/3f/20260408/76483b06/16bf0b9f-78f0-4dbd-b4fc-55182266a6b1.png?Expires=1776223802&OSSAccessKeyId=LTAI5tPxpiCM2hjmWrFXrym1&Signature=67ILuxecyge6DatLte8bx4ME%2FbU%3D"
+    }
+  ],
+  "createdAt": "2026-04-08T03:13:23.848Z"
+}