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backend/prisma/migrations/20260713103324_init/migration.sql

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+-- CreateTable
+CREATE TABLE `customers` (
+    `id` BIGINT NOT NULL AUTO_INCREMENT,
+    `customer_id` VARCHAR(64) NOT NULL,
+    `name` VARCHAR(128) NULL,
+    `country` VARCHAR(64) NULL,
+    `email` VARCHAR(128) NULL,
+    `company` VARCHAR(255) NULL,
+    `register_time` DATETIME(3) NULL,
+    `avatar_url` VARCHAR(512) NULL,
+    `buyer_tags` VARCHAR(255) NULL,
+    `buyer_features` VARCHAR(255) NULL,
+    `behavior_product_views` INTEGER NULL,
+    `behavior_valid_inquiries` INTEGER NULL,
+    `behavior_valid_rfq` INTEGER NULL,
+    `behavior_login_days` INTEGER NULL,
+    `behavior_spam_inquiries` INTEGER NULL,
+    `behavior_top_industry` VARCHAR(255) NULL,
+    `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+    `updated_at` DATETIME(3) NOT NULL,
+
+    UNIQUE INDEX `customers_customer_id_key`(`customer_id`),
+    INDEX `customers_country_idx`(`country`),
+    PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- CreateTable
+CREATE TABLE `inquiries` (
+    `id` BIGINT NOT NULL AUTO_INCREMENT,
+    `inquiry_id` VARCHAR(32) NOT NULL,
+    `customer_id` VARCHAR(64) NULL,
+    `manager` VARCHAR(128) NULL,
+    `create_time` DATETIME(3) NOT NULL,
+    `update_time` DATETIME(3) NOT NULL,
+    `status` VARCHAR(64) NULL,
+    `msg_preview` VARCHAR(512) NULL,
+    `is_flagged` BOOLEAN NOT NULL DEFAULT false,
+    `messages_count` INTEGER NOT NULL DEFAULT 0,
+    `last_send_time` DATETIME(3) NULL,
+    `has_failed_batches` BOOLEAN NOT NULL DEFAULT false,
+    `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+    `updated_at` DATETIME(3) NOT NULL,
+
+    UNIQUE INDEX `inquiries_inquiry_id_key`(`inquiry_id`),
+    INDEX `inquiries_customer_id_idx`(`customer_id`),
+    INDEX `inquiries_manager_idx`(`manager`),
+    PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- CreateTable
+CREATE TABLE `chat_messages` (
+    `id` BIGINT NOT NULL AUTO_INCREMENT,
+    `message_id` VARCHAR(64) NOT NULL,
+    `inquiry_id` VARCHAR(32) NOT NULL,
+    `sender` VARCHAR(128) NULL,
+    `direction` ENUM('incoming', 'outgoing', 'system') NOT NULL,
+    `send_time` DATETIME(3) NOT NULL,
+    `content` MEDIUMTEXT NOT NULL,
+    `translation` TEXT NULL,
+    `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+
+    UNIQUE INDEX `chat_messages_message_id_key`(`message_id`),
+    INDEX `chat_messages_inquiry_id_send_time_message_id_idx`(`inquiry_id`, `send_time`, `message_id`),
+    INDEX `chat_messages_inquiry_id_idx`(`inquiry_id`),
+    PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- CreateTable
+CREATE TABLE `users` (
+    `id` BIGINT NOT NULL AUTO_INCREMENT,
+    `username` VARCHAR(191) NOT NULL,
+    `password_hash` VARCHAR(191) NOT NULL,
+    `created_at` DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
+
+    UNIQUE INDEX `users_username_key`(`username`),
+    PRIMARY KEY (`id`)
+) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- AddForeignKey
+ALTER TABLE `inquiries` ADD CONSTRAINT `inquiries_customer_id_fkey` FOREIGN KEY (`customer_id`) REFERENCES `customers`(`customer_id`) ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE `chat_messages` ADD CONSTRAINT `chat_messages_inquiry_id_fkey` FOREIGN KEY (`inquiry_id`) REFERENCES `inquiries`(`inquiry_id`) ON DELETE RESTRICT ON UPDATE CASCADE;

backend/prisma/migrations/20260715120000_add_blacklist/migration.sql

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+-- AlterTable: 客户行为新增「被加为黑名单数」(对应 alibaba 详情页可见字段)
+ALTER TABLE `customers` ADD COLUMN `behavior_blacklist` INTEGER NULL;

backend/prisma/migrations/20260715130000_add_recent_products/migration.sql

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+-- AlterTable: 客户「最近询盘产品」图片 URL 列表(JSON 字符串)
+ALTER TABLE `customers` ADD COLUMN `recent_products_images` TEXT NULL;

backend/prisma/migrations/20260715140000_add_all_inquiries/migration.sql

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+-- AlterTable: 询盘新增「该会话所有询盘号+创建时间」(allInquiries,JSON 字符串)
+-- 用于「一会话多询盘」合并:同 secTradeId 只存 1 条,all_inquiries 记录该会话全部询盘。
+ALTER TABLE `inquiries` ADD COLUMN `all_inquiries` TEXT NULL;

backend/prisma/migrations/20260715150000_add_phone/migration.sql

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+-- AlterTable: 客户手机号(alibaba 详情展开后可见的「手机」字段,部分客户有)
+ALTER TABLE `customers` ADD COLUMN `phone` VARCHAR(64) NULL;

backend/prisma/migrations/20260715160000_add_store_behavior/migration.sql

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+-- 店内行为:询盘产品名 + 数量 + 浏览产品(图/链接/ID)
+ALTER TABLE `customers` ADD COLUMN `store_inquiry_product` VARCHAR(512) NULL;
+ALTER TABLE `customers` ADD COLUMN `store_inquiry_qty` VARCHAR(32) NULL;
+ALTER TABLE `customers` ADD COLUMN `store_visit_products` TEXT NULL;

backend/prisma/migrations/20260715170000_add_contact_fields/migration.sql

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+-- 客户基本信息扩展(折叠面板展开后的字段):座机/商业类型/销售平台/公司官网
+ALTER TABLE `customers` ADD COLUMN `landline` VARCHAR(32) NULL;
+ALTER TABLE `customers` ADD COLUMN `business_type` VARCHAR(128) NULL;
+ALTER TABLE `customers` ADD COLUMN `sales_platform` VARCHAR(255) NULL;
+ALTER TABLE `customers` ADD COLUMN `website` VARCHAR(512) NULL;

backend/prisma/migrations/20260715180000_widen_customer_id/migration.sql

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+-- 加宽 customer_id(原 VarChar(64) 放不下 sec_ 兜底的 secTradeId 会话标识)
+ALTER TABLE `customers` MODIFY COLUMN `customer_id` VARCHAR(256) NOT NULL;
+ALTER TABLE `inquiries` MODIFY COLUMN `customer_id` VARCHAR(256);

backend/prisma/migrations/migration_lock.toml

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+# Please do not edit this file manually
+# It should be added in your version-control system (i.e. Git)
+provider = "mysql"

backend/prisma/schema.prisma

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+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "mysql"
+  url      = env("DATABASE_URL")
+}
+
+enum Direction {
+  incoming
+  outgoing
+  system
+}
+
+model Customer {
+  id              BigInt    @id @default(autoincrement())
+  customerId      String    @unique @map("customer_id") @db.VarChar(256)
+  name            String?   @db.VarChar(128)
+  country         String?   @db.VarChar(64)
+  email           String?   @db.VarChar(128)
+  phone           String?   @db.VarChar(64)
+  company         String?   @db.VarChar(255)
+  registerTime    DateTime? @map("register_time")
+  avatarUrl       String?   @map("avatar_url") @db.VarChar(512)
+  buyerTags       String?   @map("buyer_tags") @db.VarChar(255)
+  buyerFeatures   String?   @map("buyer_features") @db.VarChar(255)
+  bProductViews   Int?      @map("behavior_product_views")
+  bValidInquiries Int?      @map("behavior_valid_inquiries")
+  bValidRfq       Int?      @map("behavior_valid_rfq")
+  bLoginDays      Int?      @map("behavior_login_days")
+  bSpamInquiries  Int?      @map("behavior_spam_inquiries")
+  bBlacklist      Int?      @map("behavior_blacklist")
+  bTopIndustry    String?   @map("behavior_top_industry") @db.VarChar(255)
+  recentProductsImages String? @map("recent_products_images") @db.Text
+  storeInquiryProduct   String? @map("store_inquiry_product") @db.VarChar(512)
+  storeInquiryQty       String? @map("store_inquiry_qty") @db.VarChar(32)
+  storeVisitProducts    String? @map("store_visit_products") @db.Text
+  landline              String? @map("landline") @db.VarChar(32)
+  businessType          String? @map("business_type") @db.VarChar(128)
+  salesPlatform         String? @map("sales_platform") @db.VarChar(255)
+  website               String? @map("website") @db.VarChar(512)
+  inquiries       Inquiry[]
+  createdAt       DateTime  @default(now()) @map("created_at")
+  updatedAt       DateTime  @updatedAt @map("updated_at")
+
+  @@index([country])
+  @@map("customers")
+}
+
+model Inquiry {
+  id               BigInt    @id @default(autoincrement())
+  inquiryId        String    @unique @map("inquiry_id") @db.VarChar(32)
+  customerId       String?   @map("customer_id") @db.VarChar(256)
+  manager          String?   @db.VarChar(128)
+  createTime       DateTime  @map("create_time")
+  updateTime       DateTime  @map("update_time")
+  status           String?   @db.VarChar(64)
+  msgPreview       String?   @map("msg_preview") @db.VarChar(512)
+  allInquiries     String?   @map("all_inquiries") @db.Text
+  isFlagged        Boolean   @default(false) @map("is_flagged")
+  messagesCount    Int       @default(0) @map("messages_count")
+  lastSendTime     DateTime? @map("last_send_time")
+  hasFailedBatches Boolean   @default(false) @map("has_failed_batches")
+  customer         Customer? @relation(fields: [customerId], references: [customerId])
+  messages         ChatMessage[]
+  createdAt        DateTime  @default(now()) @map("created_at")
+  updatedAt        DateTime  @updatedAt @map("updated_at")
+
+  @@index([customerId])
+  @@index([manager])
+  @@map("inquiries")
+}
+
+model ChatMessage {
+  id          BigInt   @id @default(autoincrement())
+  messageId   String   @unique @map("message_id") @db.VarChar(64)
+  inquiryId   String   @map("inquiry_id") @db.VarChar(32)
+  sender      String?  @db.VarChar(128)
+  direction   Direction
+  sendTime    DateTime @map("send_time")
+  content     String   @db.MediumText
+  translation String?  @db.Text
+  inquiry     Inquiry  @relation(fields: [inquiryId], references: [inquiryId])
+  createdAt   DateTime @default(now()) @map("created_at")
+
+  @@index([inquiryId, sendTime, messageId])
+  @@index([inquiryId])
+  @@map("chat_messages")
+}
+
+model User {
+  id           BigInt   @id @default(autoincrement())
+  username     String   @unique
+  passwordHash String   @map("password_hash")
+  createdAt    DateTime @default(now()) @map("created_at")
+
+  @@map("users")
+}