feat(admin): complete full integration of kefu, finance, product and order modules with real RPC data streams

docs/sql/10_schema/kefu/ml_kefu_tables_v1.sql

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+-- =====================================================================================
+-- Schema: 客服模块核心表
+-- 位置：docs/sql/10_schema/kefu/ml_kefu_tables_v1.sql
+-- 对象类型：Schema (DDL)
+-- 版本：v1
+-- 说明：包含客服账号、话术、留言及自动回复逻辑
+-- =====================================================================================
+
+-- 1. 客服人员表
+CREATE TABLE IF NOT EXISTS public.ml_kefu_accounts (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  user_id UUID NOT NULL REFERENCES public.ak_users(id), -- 关联主用户表
+  
+  nickname TEXT NOT NULL,         -- 客服昵称
+  avatar TEXT NULL,               -- 客服头像
+  
+  status SMALLINT NOT NULL DEFAULT 1, -- 1:启用, 0:禁用
+  is_online BOOLEAN NOT NULL DEFAULT FALSE,
+  
+  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+-- 2. 话术分类表
+CREATE TABLE IF NOT EXISTS public.ml_kefu_word_categories (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  name TEXT NOT NULL,
+  sort INT NOT NULL DEFAULT 0,
+  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+-- 3. 客服快捷话术表
+CREATE TABLE IF NOT EXISTS public.ml_kefu_words (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  category_id UUID NOT NULL REFERENCES public.ml_kefu_word_categories(id) ON DELETE CASCADE,
+  
+  title TEXT NOT NULL,
+  content TEXT NOT NULL,
+  sort INT NOT NULL DEFAULT 0,
+  
+  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+-- 4. 用户留言反馈表
+CREATE TABLE IF NOT EXISTS public.ml_kefu_feedbacks (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  user_id UUID NULL REFERENCES public.ak_users(id), -- 允许匿名留言
+  
+  nickname TEXT NULL,
+  phone TEXT NULL,
+  content TEXT NOT NULL,
+  
+  status SMALLINT NOT NULL DEFAULT 0, -- 0:未处理, 1:已处理
+  reply_content TEXT NULL,            -- 管理员回复内容
+  processed_at TIMESTAMPTZ NULL,      -- 处理时间
+  
+  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+-- 5. 关键词自动回复表
+CREATE TABLE IF NOT EXISTS public.ml_kefu_auto_replies (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  keyword TEXT NOT NULL,
+  content TEXT NOT NULL,
+  reply_type TEXT NOT NULL DEFAULT 'text', -- text, image
+  
+  status SMALLINT NOT NULL DEFAULT 1, -- 1:开启, 0:关闭
+  
+  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+-- 索引
+CREATE INDEX IF NOT EXISTS ml_kefu_accounts_user_id_idx ON public.ml_kefu_accounts (user_id);
+CREATE INDEX IF NOT EXISTS ml_kefu_words_category_id_idx ON public.ml_kefu_words (category_id);
+CREATE INDEX IF NOT EXISTS ml_kefu_feedbacks_status_idx ON public.ml_kefu_feedbacks (status);
+CREATE INDEX IF NOT EXISTS ml_kefu_auto_replies_keyword_idx ON public.ml_kefu_auto_replies (keyword);