反爬虫优化，评论图片支持

prisma/schema.prisma

@@ -49,7 +49,7 @@ model Video {
   cover_url      String?
 
   authorId       String
-  author         Author   @relation(fields: [authorId], references: [sec_uid])
+  author         Author   @relation(fields: [authorId], references: [sec_uid], onDelete: Cascade)
 
   comments       Comment[]
 
@@ -87,13 +87,16 @@ model Comment {
 
   // 可关联视频或图文中的一种
   videoId      String?
-  video        Video?      @relation(fields: [videoId], references: [aweme_id])
+  video        Video?      @relation(fields: [videoId], references: [aweme_id], onDelete: Cascade)
 
   imagePostId  String?
-  imagePost    ImagePost?  @relation(fields: [imagePostId], references: [aweme_id])
+  imagePost    ImagePost?  @relation(fields: [imagePostId], references: [aweme_id], onDelete: Cascade)
 
   userId       String
-  user         CommentUser @relation(fields: [userId], references: [id])
+  user         CommentUser @relation(fields: [userId], references: [id], onDelete: Cascade)
+
+  // 评论下的贴纸/配图（统一按图片存储）
+  images       CommentImage[]
 
   createdAt    DateTime    @default(now())
   updatedAt    DateTime    @updatedAt
@@ -102,6 +105,24 @@ model Comment {
   @@index([imagePostId, created_at])
 }
 
+// 评论图片（贴纸和配图统一保存在这里）
+model CommentImage {
+  id         String   @id @default(cuid())
+  commentId  String
+  comment    Comment  @relation(fields: [commentId], references: [cid], onDelete: Cascade)
+
+  url        String
+  order      Int      // 在该评论中的顺序（0 开始）
+  width      Int?
+  height     Int?
+
+  createdAt  DateTime @default(now())
+  updatedAt  DateTime @updatedAt
+
+  @@index([commentId, order])
+  @@unique([commentId, order])
+}
+
 // 图片作品（图文）
 model ImagePost {
   aweme_id      String   @id
@@ -115,7 +136,7 @@ model ImagePost {
   collect_count BigInt   @default(0)
 
   authorId      String
-  author        Author   @relation(fields: [authorId], references: [sec_uid])
+  author        Author   @relation(fields: [authorId], references: [sec_uid], onDelete: Cascade)
 
   tags          String[]
   music_url     String?  // 背景音乐（已上传到 MinIO 的外链）
@@ -137,7 +158,7 @@ model ImagePost {
 model ImageFile {
   id        String    @id @default(cuid())
   postId    String
-  post      ImagePost @relation(fields: [postId], references: [aweme_id])
+  post      ImagePost @relation(fields: [postId], references: [aweme_id], onDelete: Cascade)
   url       String
   order     Int       // 在作品中的顺序（从 0 开始）
   width     Int?