feat(client): 新增会话管理与消息落库能力
补齐客户端会话生命周期接口(创建、列表、消息分页、改名、删除),并在流式 chat 中强制绑定 sessionId 与落库消息,确保会话标题和历史可追踪,同时统一 Swagger 文档为 DTO 驱动以减少重复维护。 Made-with: Cursor
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@@ -15,5 +15,34 @@ model User {
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createdAt DateTime @default(now()) @map("created_at")
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updatedAt DateTime @updatedAt @map("updated_at")
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sessions ChatSession[]
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@@map("users")
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}
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model ChatSession {
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id BigInt @id @default(autoincrement())
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userId BigInt @map("user_id")
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user User @relation(fields: [userId], references: [id], onDelete: Cascade)
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title String? @db.VarChar(200)
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messages ChatMessage[]
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createdAt DateTime @default(now()) @map("created_at")
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updatedAt DateTime @updatedAt @map("updated_at")
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@@index([userId])
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@@map("chat_sessions")
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}
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model ChatMessage {
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id BigInt @id @default(autoincrement())
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sessionId BigInt @map("session_id")
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session ChatSession @relation(fields: [sessionId], references: [id], onDelete: Cascade)
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role String @db.VarChar(20)
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content String @db.Text
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tokenCount Int @default(0) @map("token_count")
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provider String? @db.VarChar(64)
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createdAt DateTime @default(now()) @map("created_at")
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@@index([sessionId])
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@@map("chat_messages")
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}
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