完善 H5 鉴权与登录流程

apps/api/prisma/schema.prisma

@@ -264,12 +264,26 @@ model MiniProgramUser {
   favorites         MiniProgramFavorite[]
   histories         MiniProgramHistory[]
   wecomContacts     WecomExternalContact[]
+  h5AuthTickets     H5AuthTicket[]
 
   @@unique([appId, openId])
   @@index([phone])
   @@index([status, lastLoginAt])
 }
 
+model H5AuthTicket {
+  id         String           @id @default(uuid())
+  tokenHash  String           @unique
+  userId     String
+  user       MiniProgramUser @relation(fields: [userId], references: [id], onDelete: Cascade)
+  expiresAt  DateTime
+  consumedAt DateTime?
+  createdAt  DateTime         @default(now())
+
+  @@index([expiresAt])
+  @@index([userId, createdAt])
+}
+
 model MiniProgramFavorite {
   id        String          @id @default(uuid())
   userId    String