feat(admin): complete integration of auth, delivery, and system infrastructure modules

docs/sql/10_schema/admin/ml_system_configs_v1.sql

@@ -0,0 +1,24 @@
+-- =====================================================================================
+-- Schema: 系统配置表
+-- 位置：docs/sql/10_schema/admin/ml_system_configs_v1.sql
+-- 对象类型：TABLE
+-- 版本：v1
+-- 说明：统一存储系统、应用、维护等模块的 Key-Value 配置项
+-- =====================================================================================
+
+CREATE TABLE IF NOT EXISTS public.ml_system_configs (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    config_key TEXT UNIQUE NOT NULL,
+    config_value JSONB NOT NULL DEFAULT '{}'::jsonb,
+    description TEXT,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+-- 索引
+CREATE INDEX IF NOT EXISTS idx_system_configs_key ON public.ml_system_configs (config_key);
+
+-- 注释
+COMMENT ON TABLE public.ml_system_configs IS '系统全局配置表';
+COMMENT ON COLUMN public.ml_system_configs.config_key IS '配置唯一标识键';
+COMMENT ON COLUMN public.ml_system_configs.config_value IS '配置内容 (JSONB)';