feat: 更新多个风格参考图和账号配置

- 更新 popart、manga、grunge 四种风格参考图
- 调整 account.json 配置文件内容
- 移除东方神话和暗黑军事文档

.claude/skills/video-from-script/accounts/军事账号/account.json

@@ -1,5 +1,5 @@
 {
-  "id": "military",
+  "id": "军事账号",
   "name": "军事账号",
   "description": "军事主题短视频账号，暗黑漫画风格，深紫焦橙双色调",
   "pipeline": "image-video",
@@ -8,7 +8,7 @@
   "videoModel": "veo3-fast",
   "batchSize": 30,
   "styles": {
-    "dark-noir-military": {
+    "暗黑军事": {
       "references": [
         { "file": "popart_bl.png", "url": "https://muye-ai-chat.oss-cn-hangzhou.aliyuncs.com/tmp/popart_bl.png?OSSAccessKeyId=LTAI5tPV9Ag3csf41GZjaLTA&Expires=1809013497&Signature=Gwr8RDdjmrQtHAAHTcqkRxAcPv4%3D" }
       ]

.claude/skills/video-from-script/accounts/禁忌帝王学/account.json

@@ -1,5 +1,5 @@
 {
-  "id": "forbidden-emperor",
+  "id": "禁忌帝王学",
   "name": "禁忌帝王学",
   "description": "禁书档案×东方密室美学×历史权谋。被删除的权力技术，历史课不教的真相。暗调古籍+烛火+朱砂，昭和大正禁书档案风格。",
   "pipeline": "image-video",
@@ -8,7 +8,7 @@
   "videoModel": "veo",
   "batchSize": 10,
   "styles": {
-    "oriental-mythology-ue5": {
+    "东方神话": {
       "references": [
         {
           "file": "下载 (3).jpg",