项目管理功能bug修复

sql/migration_project_add_company_id.sql

@@ -0,0 +1,13 @@
+-- =====================================================
+-- 项目管理 - 新增企业归属字段
+-- 为企业管理员实现按企业账号隔离项目数据
+-- =====================================================
+
+-- 添加 company_id 列
+ALTER TABLE shz.cms_project ADD COLUMN IF NOT EXISTS company_id BIGINT;
+
+-- 添加注释
+COMMENT ON COLUMN shz.cms_project.company_id IS '归属企业ID';
+
+-- 创建索引
+CREATE INDEX IF NOT EXISTS idx_cms_project_company_id ON shz.cms_project(company_id);