fix(db): 重编号合并后撞号 migration，并修 admin e2e base

将 015–023 双文件冲突线性化为 015–050；提供已有库 schema_migrations 修复脚本；admin Playwright 对齐 /psy/admin/ 预览路径。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/migrations/000019_account_lifecycle.up.sql

@@ -0,0 +1,20 @@
+-- ECR-013B AccountLifecycle / UserStatus
+
+CREATE TABLE IF NOT EXISTS account_state_transitions (
+  id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+  user_id uuid NOT NULL REFERENCES users(id),
+  from_status varchar(32) NOT NULL,
+  to_status varchar(32) NOT NULL,
+  admin_id uuid NOT NULL REFERENCES admin_accounts(id),
+  reason text NOT NULL DEFAULT '',
+  created_at timestamptz NOT NULL DEFAULT now()
+);
+
+CREATE INDEX IF NOT EXISTS idx_account_state_transitions_user
+  ON account_state_transitions(user_id, created_at DESC);
+
+INSERT INTO admin_role_permissions(role_id, code)
+SELECT r.id, 'admin.users.status.write'
+FROM admin_roles r
+WHERE r.name = 'super_admin'
+ON CONFLICT DO NOTHING;