sql数据流，amdin业务逻辑接入

docs/sql/10_schema/distribution/ak_distribution_agents_v1.sql

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+-- =====================================================================================
+-- Schema: 分销代理商管理表
+-- 位置：docs/sql/10_schema/distribution/ak_distribution_agents_v1.sql
+-- 说明：管理事业部旗下的代理商，按商家隔离。
+-- =====================================================================================
+
+CREATE TABLE IF NOT EXISTS public.ak_distribution_agents (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    merchant_id UUID NOT NULL REFERENCES public.ak_users(id) ON DELETE CASCADE,
+    division_id UUID NOT NULL REFERENCES public.ak_distribution_divisions(id) ON DELETE CASCADE,
+    uid UUID NOT NULL REFERENCES public.ak_users(id) ON DELETE CASCADE,
+    
+    name TEXT NOT NULL,                          -- 代理商名称（或备注名）
+    status BOOLEAN DEFAULT true,                 -- 状态: true开启, false关闭
+    
+    created_at TIMESTAMPTZ DEFAULT now(),
+    updated_at TIMESTAMPTZ DEFAULT now(),
+
+    -- 约束：一个用户在一个商家下只能成为一个代理商
+    UNIQUE(merchant_id, uid)
+);
+
+-- 启用 RLS
+ALTER TABLE public.ak_distribution_agents ENABLE ROW LEVEL SECURITY;
+
+-- 权限策略：商家仅能管理自己的代理商
+CREATE POLICY "Merchants manage their own agents" 
+ON public.ak_distribution_agents FOR ALL 
+TO authenticated
+USING (merchant_id = auth.uid())
+WITH CHECK (merchant_id = auth.uid());
+
+-- 允许查看
+CREATE POLICY "Authenticated users view active agents" 
+ON public.ak_distribution_agents FOR SELECT 
+TO authenticated
+USING (status = true);
+
+-- 索引
+CREATE INDEX IF NOT EXISTS idx_agents_merchant ON public.ak_distribution_agents(merchant_id);
+CREATE INDEX IF NOT EXISTS idx_agents_division ON public.ak_distribution_agents(division_id);

docs/sql/10_schema/distribution/ak_distribution_division_applications_v1.sql

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+-- =====================================================================================
+-- Schema: 分销事业部申请表
+-- 位置：docs/sql/10_schema/distribution/ak_distribution_division_applications_v1.sql
+-- 说明：记录用户申请加入事业部成为代理商的流水，支持审核流转，按商家隔离。
+-- =====================================================================================
+
+CREATE TABLE IF NOT EXISTS public.ak_distribution_division_applications (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    merchant_id UUID NOT NULL REFERENCES public.ak_users(id) ON DELETE CASCADE,
+    uid UUID NOT NULL REFERENCES public.ak_users(id) ON DELETE CASCADE,
+    
+    division_id UUID NOT NULL REFERENCES public.ak_distribution_divisions(id) ON DELETE CASCADE,
+    
+    name TEXT NOT NULL,                          -- 申请人填写的代理商名称
+    phone TEXT NOT NULL,                         -- 申请人联系电话
+    images JSONB DEFAULT '[]'::jsonb,            -- 申请附件图片 (数组)
+    
+    status INTEGER DEFAULT 1,                    -- 状态: 1待审核, 2已同意, 3已拒绝
+    admin_remark TEXT,                           -- 审核备注
+    
+    created_at TIMESTAMPTZ DEFAULT now(),
+    updated_at TIMESTAMPTZ DEFAULT now()
+);
+
+-- 启用 RLS
+ALTER TABLE public.ak_distribution_division_applications ENABLE ROW LEVEL SECURITY;
+
+-- 权限策略
+CREATE POLICY "Merchants manage their own applications" 
+ON public.ak_distribution_division_applications FOR ALL 
+TO authenticated
+USING (merchant_id = auth.uid())
+WITH CHECK (merchant_id = auth.uid());
+
+-- 允许用户提交和查看自己的申请
+CREATE POLICY "Users handle own applications" 
+ON public.ak_distribution_division_applications FOR ALL 
+TO authenticated
+USING (uid = auth.uid())
+WITH CHECK (uid = auth.uid());
+
+-- 索引
+CREATE INDEX IF NOT EXISTS idx_div_app_merchant ON public.ak_distribution_division_applications(merchant_id);
+CREATE INDEX IF NOT EXISTS idx_div_app_uid ON public.ak_distribution_division_applications(uid);
+CREATE INDEX IF NOT EXISTS idx_div_app_status ON public.ak_distribution_division_applications(status);

docs/sql/10_schema/distribution/ak_distribution_divisions_v1.sql

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+-- =====================================================================================
+-- Schema: 分销事业部管理表
+-- 位置：docs/sql/10_schema/distribution/ak_distribution_divisions_v1.sql
+-- 说明：管理分销体系中的事业部，支持独立分销比例、邀请码及有效期，按商家隔离。
+-- =====================================================================================
+
+CREATE TABLE IF NOT EXISTS public.ak_distribution_divisions (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    merchant_id UUID NOT NULL REFERENCES public.ak_users(id) ON DELETE CASCADE,
+    
+    uid UUID NOT NULL REFERENCES public.ak_users(id), -- 事业部负责人UID
+    name TEXT NOT NULL,                          -- 事业部名称
+    invite_code TEXT UNIQUE NOT NULL,            -- 事业部专属邀请码
+    
+    ratio DECIMAL(5,2) DEFAULT 0,                -- 事业部额外分销比例 (%)
+    agent_count INTEGER DEFAULT 0,               -- 下属代理商数量 (由程序或触发器维护)
+    
+    end_time TIMESTAMPTZ,                        -- 协议截止时间
+    status BOOLEAN DEFAULT true,                 -- 状态: true开启, false关闭
+    
+    created_at TIMESTAMPTZ DEFAULT now(),
+    updated_at TIMESTAMPTZ DEFAULT now(),
+
+    -- 约束：一个用户在一个商家下只能负责一个事业部
+    UNIQUE(merchant_id, uid)
+);
+
+-- 启用 RLS
+ALTER TABLE public.ak_distribution_divisions ENABLE ROW LEVEL SECURITY;
+
+-- 权限策略
+CREATE POLICY "Merchants manage their own divisions" 
+ON public.ak_distribution_divisions FOR ALL 
+TO authenticated
+USING (merchant_id = auth.uid())
+WITH CHECK (merchant_id = auth.uid());
+
+-- 允许查看
+CREATE POLICY "Authenticated users view active divisions" 
+ON public.ak_distribution_divisions FOR SELECT 
+TO authenticated
+USING (status = true);
+
+-- 索引
+CREATE INDEX IF NOT EXISTS idx_divisions_merchant ON public.ak_distribution_divisions(merchant_id);
+CREATE INDEX IF NOT EXISTS idx_divisions_uid ON public.ak_distribution_divisions(uid);